University of California Division of War Research reports

Notebook 1 1943 May 21-June 1

Notebook 2 1943 June 7-8

Notebook 3 1943 June 18-July 2

Notebook 4 1943 July 6-7

Notebook 5 1943 August 4-6

Notebook 6 1943 August 13-25

Notebook 7 1943 August 26-September 15

Notebook 8 1943 September 16-24

Notebook 9 1943 September 30-October 8

Notebook 11 1943 October 28-November 9

Notebook 12 1943 November 24-26

Notebook 13 1943 November 27-28

Notebook 14 1943 November 29

Notebook 15 1943 November 30

Operation, maintenance and installation instructions for surface model RR-1 practice target (Navy project NS-97) 1942 December 14

Instructor's manual for use with the primary bearing teacher. Prepared by Training Division 1943 May 1

Preliminary instruction book for model SR-2 antisubmarine practice target equipment installation, operation and maintenance manual 1943 May 14

Preliminary instruction book for model BR-1 antisubmarine practice target equipment with the model S1-AB amplifier. Installation, operation and maintenance manual 1943 June 2

Instructor's manual for the advanced bearing teacher. Prepared by Training Division 1943 June 8

Preliminary instruction book for model BR-1 A/S practice target with the model S3-AB amplifier. Installation, operation, and maintenance manual 1943 June 11

Operation, installation and alignment instructions for the Doppler doubler (as applied to the submarine signal company 755 receiver amplifier). Prepared by William A. Myers, Lt. Comdr. J. C. Myers, U.S.N. and Vaughn G. McKenney 1943 August 4

Preliminary instruction manual for the shipboard anti-submarine attack teacher (SASAT A). Prepared by Clark F. Bradley and James M. Snodgrass 1943 August 31

Supplementary notes on preliminary instruction book for model BR-1 A/S practice target with the model S3-AB amplifier 1943 September 16

Preliminary instructor's manual for use with the primary listening teacher 1943 October 18

Instructor's manual on Doppler drills and tests - UCDWR D-Series 1943 October 30

Preliminary manual FM sonar model I - Installation and operation (Experimental) 1943 December 1

Instruction book for model SR5 practice target (Navy model oat practice target). Installation, operation and maintenance 1944 January

Instructor's manual for model QFH sound training equipment (Conning teacher) - Edition A. Prepared by Training Division 1944 January

Instructor's manual for the model QFK shipboard sound operator trainer 1944 March

Instructor's manual for model QFH sound training equipment (Conning teacher) - Edition B 1944 March

Supplementary instruction book for anti-submarine practice targets 1944 April

Preliminary instruction book for fm sonar model I no. 3. Installation, operation and maintenance 1944 April

Preliminary instruction book for depth charge pattern records Mark I, mod O. Installation, operation, and maintenance 1944 May

Preliminary instruction book for FM sonar model I, no. 5. Installation, operation and maintenance 1944 June 12

Preliminary instruction book for the secure echo sounding equipments, model 2. Installation, operation and maintenance 1944 June 13

Preliminary instruction manual for advance listening teacher 1944 June 27

Preliminary Instruction Book. FM sonar model 1, no. 5 - Operation and maintenance 1944 September 15

Preliminary instruction book for the secure echo sounding equipments, model 3. Installation, operation and maintenance 1944 October 11

Instructor's manual - Echo recognition group training 1944 October 15

Preliminary instruction book (Revised edition). FM sonar model I, nos. 6 - 10 - Operation and maintenance 1945 January 1

Preliminary instruction manual for advanced listening teacher model 3 1945 January 22

Preliminary manual operation, maintenance and installation for echo recognition monitor recorder, model II 1945 March 15

Submarine sound recognition group trainer instructor's manual - Preliminary edition 1945 May 1

Preliminary Instruction Book. FM sonar model I, nos. 11-15 - Operation and maintenance. Prepared by Western Electric Company, Inc 1945 May 12

Preliminary Instruction Manual. CIC trainer model I with proposals for improvements and extensions 1945 June 1

Preliminary Instruction Book. Secure echo sounding equipment (SESE) model 3 - Operation and maintenance 1945 June 1

Instructors manual for echo recognition refresher training (NavShips 91540) 1945 June 20

Preliminary instruction manual. NAD-10 prime sound beacon - Inspection, stowage and maintenance, operation 1945 July 10

Preliminary Instruction Manual. Sound recognition group trainer 1945 July 20

Preliminary Instruction Manual. NAD-6A sound beacon 1945 July 20

Submarine sound recognition group trainer (Sonar training set AN/UQR-T1) - Revised instructor's manual (Second preliminary edition) 1945 September 1

Preliminary Instruction Manual. CIC trainer model I with proposals for improvements and extensions 1945 September 15

Preliminary instruction book for the assisting ship projector model I serial no. 3334 1946 January 21

Preliminary instruction manual for the group operator trainer 1946 February 8

Preliminary instruction manual for the group listening teacher model CXKG (WCA portion) 1946 March 15

Operating instructions for navy model CXKD expendable echo sounder 1946 August 1

Preliminary instruction manual NAD-10A sound beacon 1946 October 1

Echo recognition training - Recorder traces undated

Multidirectional refraction microphone. Prepared by N. Most 1942 June 23

Bi-weekly reports covering period June 29-December 26, 1942

Explosive sound waves in the sea - Observations with a 2500~ moving-coil oscillograph. Prepared by T. F. Johnston and R. W. Raitt 1942 September 16

Echo repeater target, surface model RR-1. Prepared by Edwin M. McMillan, David J. Evans and William A. Myers 1942 November 12

Bearing accuracy at lower operating frequencies. Prepared by F. N. D. Kurie 1942 November 21

A Laboratory study of surface and internal wave motion. Prepared by Oceanographic Division 1942 November 23

Triplane. Prepared by D. E. Ross and F. N. D. Kurie 1942 November 23

Reverberation studies at 24 KC. Prepared by Reverberation Group 1942 November 23

Shape of a flexible rope towing a submerged body. Prepared by Glen D. Camp 1942 November 30

Transmission of explosive impulses in the sea. Prepared by R. F. Johnston and R. W. Raitt 1942 December 2

Magnetic close-proximity fuze. Prepared by S. C. Baden 1942 December 19

Bi-weekly reports covering period December 27, 1942-June 26, 1943

Magnetic flux-change fuze. Prepared by L. D. Statham 1942 December 30

Frequency-modulation echo-ranging systems cobar, pribar, subsight. Prepared by Malcolm C. Henderson 1942 December 30

Advanced bearing teacher. Prepared by Henry E. Hartig, Firth Piece and George A. Brettell, Jr. 1943 January 2

Sound-ranging conditions in the Japanese area winter season. Prepared by Oceanographic Section 1943 January 4

Masking of echo by reverberation. Prepared by Carl Eckart 1943 January 8

Bi-weekly report of Psychological Section and Training Group 1943 January 11-October 4

Supplement to sound-ranging conditions of the north Pacific Ocean. Prepared by Oceanographic Section 1943 January 20

Sound-ranging conditions in the Japanese area. Prepared by Oceanographic Section 1943 January 21

Outline of the proposed Fampas system. Prepared by C. A. Hisserich 1943 January 25

Measurements of the sounds of submarines by three independent measuring systems. Prepared by Vern O. Knudsen and L. J. Sivian 1943 February 1

Methods suitable for the calibration and use of an octave-band sound level meter. Prepared by R. W. Young 1943 February 10

Scattering of underwater sound by solid particles and air bubbles. Prepared by George E. Duvall 1943 February 11

The effect of turbulent motion on the rate of rise of bubbles in a wake. Prepared by John S. McNown 1943 February 19

Subsight. Prepared by Malcolm C. Henderson 1943 February 20

Binaural listening gear. Prepared by C. H. Kean 1943 February 25

Data for the design of inductances wound on molybdenum permalloy cores. Prepared by R. S. Gales 1943 February 25

Towed submerged antisubmarine practice target - Model SR-2. Prepared by David J. Evans, T. Finley Burke and Donald G. Reed 1943 February 25

Antisubmarine practice target - Keel model KR-1. Prepared by David J. Evans and Donald G. Reed 1943 February 25

Antisubmarine practice target - Experimental buoy model BR-1. Prepared by David J. Evans 1943 February 25

A Multi-channel electronic switch. Prepared by Sidney Bertram 1943 March 1

Comprehensive outline for harbor survey reports. Prepared by UCDWR 1943 March 3

The Entrapment of bubbles in vortices. Prepared by John S. McNown 1946 March 3

Underwater sound output from submarine charging batteries. Prepared by Listening Section 1943 March 4

Blanking and screening by surface wakes. Prepared by Wake Studies Group 1943 March 5

Hydraulic mine fuze. Prepared by Raymond D. Atchley 1943 March 11

Variation of the sound field near the surface in deep water. Prepared by H. T. O'Neil and T. F. Johnston 1943 March 16

The Doppler doubler and square-law amplification. Prepared by William A. Myers 1943 April 1

Volume reverberation scattering and attenuation vs. frequency. Prepared by Reverberation Group 1943 April 13

Amplifier and power supply - Model S1-AB. Prepared by R. O. Burns 1943 April 16

Amplifier and power supply - Model S2-AB. Prepared by R. O. Burns 1943 April 16

High impedance preamplifier. Prepared by David C. Kalbfell 1943 April 29

Primary listening teacher. Prepared by Henry E. Hartig and George A. Brettell, Jr. 1943 April 30

Supplementary notes on a multi-channel-electronic switch. Prepared by Sidney Bertram 1943 May 1

An inertia contact bomb fuze for use on targets above or below the surface of the water. Prepared by Raymond D. Atchley 1943 May 3

Characteristics of some transducers made by UCDWR 1947 May 7

Acoustic measurements on surface wakes in San Diego harbor. Prepared by Richard R. Carhart and George E. Duvall 1943 May 8

Reflection of light from a submarine model. Prepared by R. B. Tibby 1943 May 12

Reflection of sound in the ocean from temperature changes. Prepared by R. R. Carhart 1943 May 17

Doppler doubler and square-law amplifier. Prepared by William A. Myers and Vaughn G. McKenney 1943 May 20

A Streamlined cable depressor. Prepared by Albert R. Champion 1943 May 25

Preliminary survey of certain biological underwater sounds on the east coast of North America. Prepared by Martin W. Johnson 1943 May 25

Airplane location with subsight. Prepared by C. G. McProud 1943 May 29

The Discrimination of transducers against reverberation. Prepared by Reverberation Group 1943 May 31

Monitor microphone amplifier. Prepared by D. C. Kalbfell 1943 June 24

Bottom reverberation: dependence on frequency. Prepared by Reverberation Group 1943 June 16

Deep water tests of the through-the-hull sonic listening equipment. Prepared by T.F. Johnston 1943 June 18

Bi-weekly report covering period June 27-December 25, 1943

A Curvature meter for use in disc recording. Prepared by L. W. Sepmeyer 1943 June 28

Underwater ambient noise survey - Bahamas and east coast of Florida. Prepared by R. H. Fleming and D. A. Proudfoot 1943 June 29

Supplement to the triplane. Prepared by D. E. Ross and F. N. D. Kurie 1943 June 29

Late summer hydrographic conditions in the Japanese area 1943 July

Device for obtaining bearing and range rate, to be used as an auxiliary to SASAT A. Prepared by Carl Eckart 1943 July 15

Proposed system for the rapid frequency analysis of an audio spectrum. Prepared by Sidney Bertram 1943 July 16

General information for staff members 1943 August 1

Mine detection with Cobar devices. Prepared by M. C. Henderson and A. H. Roshon 1943 August 2

SASAT slide rule. Prepared by G. P Hartwell and L. I. Schiff 1943 August 13

Echo ranging with explosive sound. Prepared by T. F. Johnston and T. McMillian 1943 August 14

Primary conning teacher. Prepared by A. W. Melloh 1943 August 14

Some theoretical studies of the propagation of sound in shallow water. Prepared by Glen D. Camp and Carl Eckart 1943 August 15

Echoes from wakes. Prepared by Reverberation Group 1943 August 24

Object locator. Prepared by W. A. Myers 1943 August 27

"Silent" fathometer. Prepared by George W. Downs 1943 August 28

System for recording reverberation as it occurs in the ocean. Prepared by Reverberation Group 1943 August 28

Shipboard anti-submarine attack teacher (SASAT A). Prepared by Clark F. Bradley 1943 August 30

Test-retest reliability of the 6B audiometer under military conditions. Prepared by William J. Giese 1943 August 30

Interim report on echo ranging at lower frequencies. Prepared by L. M. Langer 1943 September 1

Adjustment of the bathythermograph for errors in surface temperature and pressure. Prepared by John S. McNown 1943 September 2-28

Modification of a type CBM-55081 range indicator. Prepared by D. E. Ross 1943 September 4

FM sonar. Prepared by Malcolm C. Henderson and Charles A. Hisserich 1943 September 4

Survey of biological underwater noises off the coast of California and in upper Puget Sound. Prepared by Martin W. Johnson 1943 September 10

Reverberation equalizer. Prepared by George W. Downs, Jr. 1943 September 18

Doppler effect in FM sonar. Prepared by M. C. Henderson 1943 September 20

Rapid-response thermometer. Prepared by D. C. Kalbfell 1943 September 23

Gas production with magnesium amalgam. Prepared by Milton Silverman 1943 September 25

Some general ideas concerning the transmission of sound in the deep sea. Prepared by Carl Eckart 1943 September 28

Interim report on the sound field of echo-ranging gear. Prepared by The U.S. Navy Radio and Sound Laboratory and the University of California Division of War Research 1943 October 1

Conclusions derived from the analysis of transmission data obtained during harbor surveys 1943 October 2

Bi-weekly report no. 1-25 covering period October 3, 1943-September 16, 1944

The effect of the ship's roll on echo ranging. Prepared by John S. McNown and Carl Eckart 1943 October 8

Quadra-weekly progress report training group October 17, 1943-June 24, 1944

Some ambient water noise measurements in the fourteenth naval district. Prepared by Listening Section 1943 October 22

WEA-1 and WEA-2 adapters for SASAT. Prepared by Clark F. Bradley 1943 October 22

Lloyd mirror effect in a variable velocity medium. Prepared by Richard B. Carhart 1943 October 23

Some shallow water sound propagation measurements in the thirteenth naval district. Prepared by Listening and Oceanographic Sections 1943 October 25

Bi-weekly report no. 2-35 (Projects NS-164, NS-293, and NS-316) 1943 October 30-1945 February 9

Gas production with mixtures of magnesium amalgam and crystalline acids ("Bubblite"). Prepared by Milton Silverman, W. Bruce Beckley and M. L. Kyle 1943 November 12

Bi-weekly report no. 1-19 (Project NS-221) 1943 November 17-1944 July 28

Survey of the problem of maximum echo ranges (Preliminary draft). Prepared by Carl Eckart 1943 November 20

Device for plotting rays in a medium of variable velocity. Prepared by L. I. Schiff 1943 November 29

Investigation of the power handling ability of 45 degree X-cut and Y-cut Rochelle salt crystals. Prepared by Francis X. Byrnes 1943 November 30

Buoyancy control. Prepared by R. D. Atchley 1943 December 3

Bi-weekly reports covering period December 26, 1943-June 24, 1944

Construction of a range-bearing plot for aid in ASW ship conning. Prepared by H. E. Hartig 1943 December 29

Oscillograms of 24 KC echoes from a destroyer and its wake. Prepared by Echo-Ranging Section 1944 January 3

Theory of secure echo-sounding - Project NS-221. Prepared by Carl Eckart 1944 January 8

Underwater noise and the distribution of snapping shrimp with special reference to the Asiatic and the southwest and central Pacific areas. Prepared by Martin W. Johnson 1944 January 15

Measurements of 24 KC echoes from a destroyer and its wake. Prepared by George Duvall 1944 January 20

Burgess sea cell operational data. Prepared by W. A. Myers 1944 January 20

Supplement to some ambient water noise measurements in the fourteenth naval district. Prepared by Listening Section 1944 January 22

Preliminary report on echoes from a diving submarine and its wake. Prepared by Sonar Section 1944 January 22

Doppler effect in FM sonar (Mathematical appendix). Prepared by M. C. Henderson 1944 February 8

Quenching of underwater sound projectors. Prepared by Carl Eckart 1944 February 16

Tone duration as a factor in pitch discrimination. Prepared by E. G. Weaver 1944 February 16

Bi-weekly reports no. 1-26 (Projects NS-142 and NS-297) 1944 February 23-1945 February 9

Shipboard anti-submarine attack teacher (SASAT B). Prepared by Firth Pierce and Jay Schisel 1944 February 25

Pressure-proof speaker. Prepared by W. A. Myers 1944 February 26

West coast sound school training program for the tactical sound range recorder teacher (Navy QFL). Prepared by W. L. Jenkins 1944 March

UCDWR pitch-memory selection test: A report on design standards. Prepared by Adelbert Ford 1944 March

Revised selection procedure for sonar operations: A report on validating research. Prepared by Adelbert Ford, S. W. Osgood, W. J. Giese, W. R. Thurlow and L. J. Cronbach 1944 March

D-series of Doppler drills and tests: A report on the psychological standards of auditory discrimination. Prepared by Adelbert Ford 1944 March

Data at 45 KC on echoes from a diving submarine and its wake. Prepared by Sonar Section 1944 March 3

Sound transmission through destroyer wakes. Prepared by Listening Section 1944 March 8

Some experiments on the transmission of continuous sound in 100-fathom to 600-fathom water: A series of tests made in cooperation with UCDWR and MIT (DIC 6187) - 31 August-10 September 1943

Preliminary report on the use of FM sonar in harbor net protection. Prepared by Sonar Group 1944 April 14

Leading cut-ons on attack teachers and at sea. Prepared by W. L. Jenkins 1944 April 20

Preliminary report on the sonic ray plotter. Prepared by L. I. Schiff 1944 April 21

Some underwater sound measurements on two aircraft carriers. Prepared by Listening Section 1944 April 27

Oscillograms of 24 KC noise produced by a destroyer. Prepared by George Duvall and the Sonar Section 1944 May 1

Shipboard anti-submarine sonar trainer (SASAT 1, model V). Prepared by Edward J. Smuckler 1044 May 5

Target strength of a submarine at 24 KC. Prepared by George Duvall and the Echo-Ranging Section 1944 May 10

Depression for a special magnetostriction echo-repeater. Prepared by D. G. Reed 1944 May 10

Further underwater sound measurements on aircraft carriers. Prepared by Listening Section 1944 May 12

Recommendations for monitoring and measuring sonic output of submarines. Prepared by L. W. Sepmeyer, R. S. Gale and the Listening Section 1944 May 13

Underwater sound measurements on aircraft carriers. Prepared by Listening Section 1944 May 15

Scattering of sound by the surface of the sea. Prepared by L. I. Schiff 1944 May 15

Bottom reverberation. Prepared by T. H. Schafer and the Echo-Ranging Section 1944 May 16

Transmission of 60 KC sound data of March and April 1944. Prepared by M. J. Sheehy and the Echo-Ranging Section 1944 May 17

Bottom reverberation at 24 KC - E. W. Scripps data. Prepared by R. R. Carhart and the Oceanographic Section 1944 May 18

NAC beacon tests. Prepared by David J. Evans and Vaughn G. McKenney 1944 May 19

Reflection coefficients of surface and bottom. Prepared by R. W. Raitt and the Echo-Ranging Section 1944 May 22

Range limitation in shallow water as controlled by bottom character, state of sea, and thermal structure. Prepared by Francis P. Shepard and the Oceanographic and Echo-Ranging Sections 1944 May 22

Some considerations pertaining to systematic masking of ship sounds. Prepared by R. S. Gales and the Listening Section 1944 May 23

Bearing deviation indicator trainer. Prepared by Clark F. Bradley 1944 May 23

Comparison of the measuring systems at 24 KC of the listening section and the echo-ranging section. Prepared by G. P. Welch, Listening Section, M. J. Sheehy and the Echo-Ranging Section 1944 May 29

Selection research on sonar officers - Technical report on validation studies. Prepared by Adelbert Ford, S. W. Osgood, W. J. Giese, W. R. Thurlow and L. J. Cronbach 1944 June

Workbook for prediction maximum echo ranges to be used with prediction of sound ranges from bathythermograph observations (NavShips 943-C2). Prepared by Oceanographic Section and the Training Group 1944 June 1

Underwater sound measurements on aircraft carriers. Prepared by T. McMillian, H. J. Oorthuys and the Listening Section 1944 June 2

Attenuation of sound in the sea. Prepared by Carl Eckart 1944 July 6

Transmission of the 24 KC component of a shock excited diaphragm. Prepared by M. J. Sheehy and the Echo-Ranging Section 1944 June 9

Some evidence for specular bottom reflection of 24 KC sound. Prepared by R. R. Carhart and the Oceanographic Section 1944 June 9

Self-noise of PC boats. Prepared by T. F. Johnston and the Listening Section 1944 June 10

Modifications and tests made on Taylor model basin self-propelled practice target. Prepared by D. J. Evan 1944 June 14

Secure echo sounding equipment. Prepared by David H. Ransom 1944 June 14

Bottom reverberation in very shallow water. applications to small object detection. Prepared by R. W. Raitt and the Echo-Ranging Section 1944 June 15

Validation of "Inventory of musical background, form B". Prepared by W. J. Giese 1944 June 19

Some sound propagation measurements in the fourteenth naval district. Prepared by Listening and Oceanographic Sections 1944 June 19

British ASDIC type 135 tests. Prepared by Melvin E. Chun 1944 June 19

Sound output of six-inch NAD. Prepared by T. M. McMillian and the Listening Section 1944 June 21

Bi-weekly report covering period June 25-December 23, 1944

Masking experiments - Report no. 1. Prepared by Listening Section 1944 June 28

Spectral analyses of three and ten-inch NAD. Prepared by Listening Section 1944 June 30

NAC beacon tests in 14th naval district. Prepared by Vaughn G. McKenney and W. Bruce Beckley 1944 June 30

Spectral analyses of magnetostriction- and bridge-type speakers. Prepared by T. McMillian and the Listening Section 1944 July 12

Chemical recorder traces of submarine wakes at 20 KC. Prepared by George Duvall and the Echo-Ranging Section 1944 July 18

Masking effect of water noise on short pulses. Prepared by Raymond C. Fisher 1944 July 25

Comparison of calculated and observed intensities for some split beam sound field runs. Prepared by R. R. Carhart, L. A. Thacker and the Oceanographic Section 1944 August 2

Relative movement test in sonar officer selection. Prepared by Selection and Training Group 1944 August 5

Sonic ray plotter. Prepared by Leonard I. Schiff 1944 August 8

Frequency characteristics of echoes and reverberation. Prepared by W. M. Rayton and R. C. Fisher 1944 August 9

NAC beacon. Prepared by Vaughn G. McKenney, Benjamin F. Howell, Walter G. Bryant and W. Bruce Beckley 1944 August 15

Amplitude fluctuations of transmitted and reflected sound signals in the ocean. Prepared by M. J. Sheehy and the Echo-Ranging Section 1944 August 17

Bottom reverberation in very shallow water. Prepared by Echo-Ranging Section 1944 August 18

Seat tests of overhearing of the secure echo sounding equipment (SESE) model 2 aboard the submarine SS411 ( Spadefish). Prepared by D. H. Ransom and R. C. Fisher 1944 August 22

Observed ranges on a submarine at 90 feet keel depth, reported by the U.S.S. Rathburne. Prepared by R. R. Carhart and the Oceanographic Section 1944 August 24

Transmission of 24 KC and 60 KC sound in very shallow water. Prepared by M. J. Sheehy and the Echo-Ranging Section 1944 August 26

24 KC echoes from a 3-foot sphere. Prepared by George Duvall and the Echo-Ranging Section 1944 August 26

Submarine echo ranges observed and predicted - Mike pattern, below layer. Prepared by Carl Eckart 1944 August 29

Wake of a fleet-type submarine. Prepared by W. M. Rayton, George Duvall and the Echo-Ranging Section 1944 September 5

Layer effect. Prepared by R. W. Raitt, M. J. Sheehy and the Echo-Ranging Section 1944 September 9

Midget bearing demonstrator. Prepared by Karl H. Sommermeyer 1944 September 14

Secure echo sounding equipment. Prepared by David H. Ransom 1944 September 15

Masking experiments - Report no. II. Prepared by Listening Section 1944 September 15

Coherence and fluctuation of FM reverberation. Prepared by M. J. Sheehy and the Echo-Ranging Section 1944 September 19

Detectability of repeated pulses. Prepared by Raymond C. Fisher and Carl Eckart 1944 September 27

Transmission of underwater sound over a sloping bottom. Prepared by R. R. Carhart and K. O. Emery 1944 October 1

Variability of deep water transmission. Prepared by M. J. Sheehy and the Echo-Ranging Section 1944 October 5

Self-noise of the S23. Prepared by T. F. Johnston and the Listening Section 1944 October 5

Further experiments on the transmission of continuous sound. Prepared by R. E. Chamber and the Listening Section 1944 October 13

Transmission of 24 KC and 60 KC sound in very shallow water. Prepared by M. J. Sheehy and the Echo-Ranging Section 1944 October 23

Directional control devices. Prepared by L. N. Schwien Engineering Company 1944 October 24

Echoes from swells. Prepared by George E. Duvall and the Echo-Ranging Section 1944 October 27

Consulting services under Navy project NS-195 1944 October 27

Correlation of simultaneous transmission in deep water at different frequencies. Prepared by M. J. Sheehy and the Echo-Ranging Section 1944 October 28

Submarine barometer simulator. Prepared by Training Group 1944 October 28

Underwater sound output of cruiser, destroyer, and aircraft carrier - A series of measurements made in cooperation with MIT (DIC-6187) during August 1944. Prepared by Listening Section 1944 October 28

FM sonar model 1, nos. 6-10 - Operation and maintenance 1944 November 1

Sound-ranging conditions off southern California. Prepared by K. O. Emery and the Oceanographic Section 1944 November 1

Sound measuring equipment on the YAG-6 (Ex-enchantress). Prepared by T. McMillian and the Listening Section 1944 November 8

DR1 practice target for rocket practice 1944 November 9

Observations made during ten days at sea with FM sonar on the U.S.S. Tinosa (SS283). Prepared by Melvin O. Kappler 1944 November 11

Bi-weekly report covering period November 12-25, 1944

Calibration of underwater sound level meter and analyzer. Prepared by H. J. Oorthuys and the Listening Section 1944 November 15

Bi-weekly report cover period October 29-November 11, 1944

Submarine sounds recorded for Mare Island navy yard - Abstract. Prepared by Listening Section 1944 November 18

Multi-string light valve (An alternative form of analyzer for FM sonar). Prepared by Electrical Research Products Division of the Western Electric Company, Inc. 1944 November 25

Afternoon effect, its application to sound-ranging charts. Prepared by E. C. LaFond and the Oceanographic Section 1944 November 25

Bi-weekly report covering period November 26, 1944-February 3, 1945

Interference effect between echo and reverberation. Prepared by A. M. Small and the Listening Section 1944 December 16

Sound cavitation tests on U.S.S. Springer (SS414). Prepared by Listening Section 1944 December 20

Layer effect at 24 KC and 60 KC. Prepared by M. J. Sheehy and the Echo-Ranging Section 1944 December 27

Ambient water noise in the Central and Southwest Pacific. Prepared by M. W. Johnson and T. F. Johnston 1944 December 28

Short range spatial pattern measurements on the JK-SK4926 transducer at 24 KC. Prepared by N. Most and the Echo-Ranging Section 1945 January 5

Sonar data: Monthly progress report - Series I 1945 February-1946 February

Sonar devices: Monthly progress report - Series II 1945 February-1946 February

Training aids: Monthly progress report - Series IV 1945 February-1946 February

Bi-weekly report covering period January 21-February 3, 1945

Operational procedure and equipment used in sonar sound field studies. Prepared by Echo-Ranging Section 1945 February 15

Surface reflected submarine echoes. Prepared by G. E. Duvall and the Echo-Ranging Section 1945 February 24

Procedures proposed for the treatment of sound transmission data at 200, 600, and 1800 CPS. Prepared by R. W. Young and the Listening Section 1945 February 24

Record catalog: Underwater sound recordings on file in the recording laboratory 1945 March

Underwater sound output U.S.S. Spot (SS413). Prepared by Listening Section 1945 March 1

Echoes of very short pings from submarines. Prepared by W. M. Rayton 1945 March 1

Echo injector. Prepared by Sommermeyer, Karl 1945 March 1

Underwater sound output of U.S.S. Tinosa (SS283). Prepared by Listening Section 1945 March 5

Surface reflected submarine echoes. Prepared by Echo-Ranging Section 1945 March 15

The influence of thermal conditions on the transmission of 24 KC sound. Prepared by Sonar Data Division 1945 March 16

Internal waves. Prepared by C. W. Ufford 1945 March 19

Internal waves off San Diego, California. Prepared by C. W. Ufford 1945 March 19

The Thermal microstructure of the ocean. Prepared by C. W. Ufford, 1945 March 19

Tests on water activated battery, Burgess type 4-CC-167 samples #1 and #2. Prepared by W. L. Bryant 1945 April 9

Talk-through equipment for submarine sonar training. Prepared by Carlton Beyer 1945 April 12

Submarine listening cues for target angle. Prepared by Adelbert Ford 1945 April 24

Comparison of echo recognition at 800 and 500 cycles. Prepared by A. Ford and L. J. Cronbach 1945 April 30

A Comparison of transmission loss at 16 KC and 24 KC. Prepared by Sonar Data Division 1945 May 5

Learning studies on the sound recognition group trainer: Single ping range reading. Prepared by L. J. Cronbach 1945 May 18

Point Loma ship-sound monitoring station. Prepared by Listening Section 1945 May 25

The Automatic target positioner for DRT. Prepared by Firth Pierce 1945 June 1

Experimental study of masking by a line spectrum. Prepared by Sonar Data Division 1945 June 7

Preliminary charts with histograms for the fourth edition of the sound ranging (sonar) charts June 1-August 31, 1945. Prepared by UCDWR and Woods Hole Oceanographic Institution

Sonar hut noise measurements on a frigate. Prepared by Psycho-Physical Group and the Listening Section 1945 June 11

Isolation of additive effects. Prepared by Sonar Data Division 1945 June 13

Basic material for inclusion in "Use of submarine bathythermograph observation: Part 7, problems" (NavShips 900, 069). Prepared by Publications Group 1945 June 15

Low frequency underwater sound source, type MEF. Prepared by Listening Section 1945 June 22

Operation's with fleet type submarines. Prepared by Rushmore Shope 1945 June 23

Processing sound field data. Prepared by Sonar Data Division 1945 July 7

Proposed content of a manual explaining the factors governing sound ranges. Prepared by Publications Group 1945 July 9

Echo recognition group training as developed for use with the echo recognition monitor recorder model 2 1945 July 10

Learning studies on the sound recognition group trainer: Turn counting. Prepared by L. J. Cronbach and Dale Lovell 1945 July 14

Preliminary report on small object detector (SOD). Prepared by M. E. Chun and C. F. Mongan 1945 July 17

A New method for measuring the acoustical constants of sediment samples. Prepared by Sonar Data Division 1945 July 21

XQHA sonar tests. Prepared by William H. Williams 1945 July 30

Doppler judgement at low beat-frequency oscillator settings. Prepared by A. Ford, L. J. Cronbach and D. F. Lovell 1945 August 10

List of publications 1945 August 15

Internal waves measured at three stations. Prepared by C. W. Ufford 1945 August 15

Investigation of OAS practice targets for use at 300 foot depths. Prepared by W. L. Bryant 1945 August 25

Learning studies on the sound recognition group trainer: Classification of supersonic targets. Prepared by L. J. Cronback and Dale Lovell 1945 August 25

Learning studies on the sound recognition group trainer: Bow stern identification. Prepared by L. J. Cronbach and Dale Lovell 1945 August 25

Proposed design features for the new NAD-8 beacon. Prepared by Raymond D. Atchley 1995 August 27

Air-borne noise measurements on the AGC-5. Prepared by Listening Section 1945 August 28

The Bathythermograph simulator. Prepared by The Training Aids 1945 September 13

Afternoon effect and its application to sound-ranging charts 1945 September 15

Learning studies on the sound recognition group trainer: Target classification. Prepared by L. J. Cronback and Dale Lovell 1945 September 17

Non-obscurable focusing DRT light. Prepared by Training Aids Division 1945 September 19

The Automatic target positioner for the dead reckoning tracer model I 1945 September 20

Limitation of echo ranges by reverberation (Deep water). Prepared by Sonar Data Division 1945 September 20

Submarine bathythermograph classroom demonstration 1945 September 20

Interim report: Transmission of underwater sound at lower frequencies 1945 November 1

Tests and learning studies on JP and WCA submarine sonar trainers. Prepared by Carlton Beyer and Dale F. Lovell 1945 November 5

Reminders on style 1945 November 6

Transmission of 24 KC sound in shallow water. Prepared by Sonar Data Division 1945 November 20

The Transmission of sound at 56 KC. Prepared by Sonar Data Division 1945 November 28

Method of reading sound field records: Appendix I to UCDWR report M336, processing sound field data. Prepared by Sonar Data Division 1945 November 29

The additive effects of wind force, thermal gradient, and particle size on the transmission of 24 kc sound over sand bottoms in shallow water. Prepared by Sonar Data Division 1945 December 1

Additive analysis with disproportionate weighting. Prepared by Sonar Data Division 1945 December 5

Production of sonar maintenance manuals 1945 December 5

The Sound recognition group trainer: A study of the tests used 1945 December 10

The Range indicator trainer. Prepared by Training Aids Division 1945 December 11

Fluctuation of 24 KC signals at short range as a function of the roll of the sending ship. Prepared by Sonar Data Division 1945 December 11

Psychological methods and projects in sonar training. Prepared by Adelbert Ford 1945 December 12

Attenuations and fluctuation studies used on supersonic bottom echoes. Prepared by Sonar Data Division 1945 December 13

Status report on self-noise measurements of sonar installations. Prepared by Sonar Data Division 1945 December 29

Submarine operating conditions in the western Pacific ocean 1946 February 1

Principles of training in Doppler discrimination 1946 February 1

Selection of sonar officers, operators, and maintenance men 1946 February 8

Overlays useful in the analysis of sound transmission data 1946 February 10

Status report on echoes from small objects. Prepared by Sonar Data Division 1946 February 14

Moored echo-repeater mine. Prepared by Sonar Devices Division 1946 February 14

Coherence and fluctuation of FM reverberation. Prepared by Sonar Data Division 1946 February 14

Stratification of sound scatterers in the ocean. Prepared by Sonar Data Division 1946 February 16

Buoyancy control - General instructions for use. Prepared by R. D. Atchley 1944 February 22

The Stationary echo repeater decoy for submarine use. Prepared by Sonar Devices Division 1946 February 28

The Fiducial signal generator. Prepared by Sonar Devices Division 1946 March 12

Hand-held echo-ranging devices. Prepared by Sonar Data Division 1946 March 18

Forward scattering from the deep scattering layer. Prepared by Sonar Data Division 1946 March 19

Frequency weighting in ship sound measurements - An audibility meter. Prepared by Sonar Data Division 1946 March 19

The sea surface and its effect on the reflection of sound and light. Prepared by Sonar Data Division 1946 March 20

Second model of the automatic receiver gain changer used in transmission studies. Prepared by Sonar Data Division 1946 March 23

Underwater noise caused by snapping shrimp 1946 April 1

The influence of thermal conditions on the transmission of 24 KC sound 1946 April 1

Completion report for UCDWR consultation work on BuShips contract NXSR87757 for NAD-6 sound beacon. Prepared by Sonar Devices Division 1946 April 6

Transmission of 24-KC sound from a deep projector. Prepared by Sonar Data Division 1946 April 8

The Doppler effect in sonar operation 1946 April 10

Processing low-frequency sound transmission data. Prepared by Sonar Data Division 1946 April 10

Completion report for submarine evasive aid navy model NAD-3 sound beacon 1946 April 10

Internal waves measured with three thermocouples. Prepared by Sonar Data Division 1946 April 12

Identification of target aspect by submarine listening. Prepared by Sonar Data Division 1946 April 15

QFL range recorder errors, their effect on instruction, and a discussion of methods for minimizing them. Prepared by Training Aids Division 1946 April 16

Directivity pattern of the JK projector at 24 KC as a function of range. Prepared by Sonar Data Division 1946 April 25

Calibration sets, UCDWR types AP & AR. Prepared by Sonar Devices Division 1946 May 10

Pilot's emergency transducer (PET) for NAJ sonar beacon. Prepared by Sonar Devices Division 1946 May 10

Transmission of 24 KC sound at short ranges. Prepared by Sonar Data Division 1946 May 20

Harmonic analysis of the internal waves and the tide. Prepared by Sonar Data Division 1946 May 30

CXKD and lead-line expendable sounding equipment 1946 June 1

Propagation of 20-KC sound over a submarine canyon. Prepared by Sonar Data Division 1946 June 7

Methods of reverberation measurements and preliminary analysis. Prepared by Sonar Data Division 1946 June 25

A Proposed method for measurement of swell by observation of ship's roll. Prepared by Sonar Data Division 1946 June 28

Completion report on transducer calibration facilities and techniques of UCDWR 1946 June 30

Completion report... covering operations of the University of California Division of War Research... from 26 April 1941 to 30 June 1946

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Completion report... covering operations of the University of California Division of War Research... from 26 April 1941 to 30 June 1946

Correlation of 24 KC signals received simultaneously on two hydrophones 1946 July 1

Procedure for handling bathythermograph data. Prepared by Sonar Data Division 1946 July 1

An Electronic bathythermograph. Prepared by Sonar Data Division 1946 July 10

The Influence of thermal conditions on the transmission of 24 KC sound III. Transmission to a deep hydrophone in deep water 1946 July 15

UCDWR activities on NAD sound beacon project at Pearl Harbor 1946 July 17

Bottom studies of selected areas off California and lower California. Prepared by Sonar Data Division 1946 July 18

Dependence of bottom reflection loss on median diameter of bottom sediment particles. Prepared by Sonar Data Division 1946 July 18

Completion report on consulting services for NAC sound beacon BuShips contract NXSR 60065. Prepared by Sonar Devices Division 1946 July 30

An Introduction to the theory of time-series. Prepared by Sonar Data Division 1946 August 12

Thermal structure of Sweetwater Lake. Prepared by Sonar Data Division 1946 August 12

Limitation of echo ranges by reverberation (Deep water) - Supplement 1946 August 20

Summary report - Transmission of 24 KC sound in shallow water. Prepared by Sonar Data Division 1946 August 28

Completion report for contour bottom scanner 1946 September 1

Study of bottom materials. Prepared by Sonar Data Division 1946 September 12

Completion report on consulting services for NAD-IO sound beacons. Prepared by Sonar Devices Division 1946 September 18

Reverberation of 24-KC sound in shallow water. Prepared by Sonar Data Division 1946 September 19

Studies of the recognition of submarine echoes. Prepared by Sonar Data Division 1946 September 30

Regulated power supplies. Prepared by Sonar Devices Division 1946 September 30

Transmission of 56-KC sound in deep water. Prepared by Sonar Data Division 1946 September 30

Model studies of echo formation. Prepared by Sonar Data Division 1946 September 30

Studies of the deep scattering layer. Prepared by Sonar Data Division 1946 September 30

Sea-going equipment for sonic transmission studies. Prepared by Sonar Data Division 1946 September 30

Status report on self-noise measurements of sonar installations II. Prepared by Sonar Data Division 1946 September 30

Underwater sound transmission at sonic frequencies. Prepared by Sonar Data Division 1946 September 30

UDT paddleboard sounding equipment. Prepared by Sonar Devices Division 1946 September 30

Submarine photography off the California coast. Prepared by F. P. Shepard and K. O. Emery 1946 September 30

Completion report for NAD-6 sound beacon 1946 October

Summary report - Sound recording at UCDWR 1946 October 1

Completion report for NAD-10 sound beacon 1946 October 1

Memorandum for file on a time triangulation method for determining the depth of submarines. Prepared by L. P. Delsasso undated

Test of a modified model TAQ transmitter on U.S.S. California. Prepared by R. B. Owens 1940 December 30

Antenna measurements on U.S.S. Bridge. Prepared by R. B. Owens, W. F. Squibb and D. D. Parkhurst 1941 July 3

Antenna measurements on U.S.S. Kanawha. Prepared by R. B. Owens, W. F. Squibb, R. T. Brackett and D. D. Parkhurst 1941 September 19

Antenna measurements on U.S.S. Saratoga. Prepared by R. T. Brackett, W. F. Squibb and R. B. Owens 1941 September 19

Directional characteristics of shipboard transmitting antennas - U.S.S. Saratoga 1941 October 8

Radio hazard to security of extremely small antenna voltages - Receiving antennas on U.S.S. Concord. Prepared by R. T. Brackett and R. B. Owens 1942 January 5

Radio hazard to security of extremely small antenna voltages - Receiving antennas on U.S.S. Hughes and U.S.S. Crosby. Prepared by R. T. Brackett and R. B. Owens 1942 February 14

Development of sono impulse recorder - Problem U2-8D. Prepared by W. K. Lyon, N. J. Holter, R. M. Sherwood and D. D. Dresson 1942 February 20

Radio hazard to security of extremely small antenna voltages - Receiving antennas on U.S.S. Tippecanoe and U.S.S. Zeilin. Prepared by R. T. Brackett and R. B. Owens 1942 March 31

Instructions for the installation and operation of sono optical recorder - Experimental model 1942 May 22

Radio hazard to security of extremely small antenna voltages - Receiving antennas on U.S.S. Harris. Prepared by R. T. Brackett, L. G. Trolese and R. B. Owens 1942 May 22

Radio hazard to security of extremely small antenna voltages - High frequency receiving antenna on U.S.S. Crosby. Prepared by R. T. Brackett, L. G. Trolese and R. B. Owens 1942 June 12

Directional characteristics of a high frequency receiving antenna on U.S.S. Crosby. Prepared by L. G. Trolese, R. T. Brackett and R. B. Owens 1942 June 18

Preliminary instructions - Depth charge direction recorder 1942 June 30

Characteristics of antennas on U.S.S. San Diego. Prepared by L. G. Trolese, R. T. Brackett and R. B. Owens 1942 July 11

Antenna impedance measurements on the U.S.S. Hornet. Prepared by R. T. Brackett and R. B. Owens 1942 July 23

Antenna impedance measurements on U.S.S. President Jackson. Prepared by L. G. Trolese, R. T. Brackett and R. B. Owens 1942 August 12

Antenna measurements on U.S.S. Long Island. Prepared by L. G. Trolese, R. T. Brackett and R. B. Owens 1942 August 22

Antenna measurements on U.S.S. Laffey and U.S.S. Woodworth. Prepared by S. R. Radom, R. T. Brackett and R. B. Owens 1942 August 29

Antenna impedance measurements on U.S.S. Wasp. Prepared by R. V. Steppler, R. T. Brackett and R. B. Owens 1942 September 9

Radio hazard to security from small antenna voltages - Receiving antennas on U.S.S. San Diego, U.S.S. Laffey and U.S.S. PC 570. Prepared by S. R. Radom, R. T. Brackett and R. B. Owens 1942 September 11

Model TBS antenna field patterns - U.S.S. Crosby, U.S.S. Woodworth and U.S.S. Wahoo. Prepared by C. W. Tirrell, R. T. Brackett and R. B. Owens 1942 September 16

Report on proposed herald locations - San Pedro harbor 1942 September 28

Characteristics of antennas on U.S.S. PC 487, U.S.S. PC 569 and U.S.S. PC 570. Prepared by C. W. Tirrell, R. T. Brackett and R. B. Owens 1942 October 5

Apparatus for determining radar blind zones. Prepared by R. V. Keeran, E. F. Kiernan, A. F. Deming and H. E. Reppert 1942 October 14

Radar wave propagation. Prepared by Lloyd Anderson, John B. Smyth, F. R. Abbott and Roger Revelle 1942 November 30

Investigation of surface ship wakes. Prepared by Norman J. Holter and Roger R. Revelle 1942 December 1

Variation of airplane receiver response with distance and direction from the U.S.S. Long Island. Prepared by S. R. Radom, R. T. Brackett and R. B. Owens 1942 December 12

Antenna measurements on submarines of the Albacore class - U.S.S. Wahoo (SS 238), U.S.S. Whale (SS 239), U.S.S. Sunfish (SS 282). Prepared by R. V. Steppler, R. T. Brackett and R. B. Owens 1942 December 31

Electric razors as a radio hazard to security. Prepared by R. B. Owens 1943 January 22

Survey of San Francisco harbor to determine the suitability of proposed locations for harbor defense installations. Prepared by C. R. Moe and J. O. Long 1943 January 23

Survey of Puget Sound area - Report on the suitability of possible herald locations, strait of Juan de Fuca and Admiralty Inlet 1943 February 1

Antenna measurements on the U.S.S. Tunny (SS 282). Prepared by R. T. Brackett and R. B. Owens 1943 February 2

Radio hazard to security resulting from receiver radiation from submarine antennas - Summary of previous radio hazard data. Prepared by R. B. Owens 1943 February 3

Report on radar wave propagation reflection of radar waves from targets of simple geometric form. Prepared by Lloyd Anderson, John B. Smyth and F. R. Abbott 1943 February 24

Antenna measurements on destroyers of the Bristol class. Prepared by C. W. Tirrell, R. T. Brackett and R. B. Owens 1943 February 27

Radiation field patterns of antennas on U.S.S. Phelps (DD 360). Prepared by R. V. Steppler, R. T. Brackett and R. B. Owens 1943 March 6

Radiation field patterns of antennas on U.S.S. Long Island (ACV 1) 1943 March 17

Navy Radio and Sound Laboratory. Sound Division. Bi-weekly reports 1-55 1943 March 6-1945 June 9

Recording tide current meter. Prepared by Don D. Dressen, Waldo K. Lyon and Chesney R. Moe 1943 May 1

Graphical construction of a radar radiation pattern in a stratified atmosphere. Prepared by Lloyd Anderson and F. R. Abbott 1943 May 1

Directivity in shipboard antennas - Summary of observations to April 1943. Prepared by R. T. Brackett and R. B. Owens 1943 May 4

Report on radar wave propagation atmospheric refraction - A qualitative investigation. Prepared by Lloyd Anderson and John B. Smyth 1943 May 7

Roll and pitch corrector and attack plotter for use with echo ranging equipment. Prepared by Robert M. Sherwood 1943 May 22

Geometry of surface wakes and experiments on artificial wakes. Prepared by Norman J. Holter 1943 May 22

Antenna installations for fighter-director communication on auxiliary aircraft carriers - Performance and progress toward improvement. Prepared by S. R. Radom and R. B. Owens 1943 May 27

Surveys for harbor underwater detection equipment in the fourteenth naval district. Prepared by Jess O. Long 1943 June 23

Simple methods of determining directivity characteristics of shipboard antennas by the use of aircraft. Prepared by S. R. Radom, C. W. Tirrell and R. B. Owens 1943 July 26

Antenna measurements on U.S.S. Doherty (DE-14). Prepared by R. V. Steppler, C. W. Tirrell and R. B. Owens 1943 August 17

Directivity characteristics of antennas on the submarine chaser U.S.S. SC 1003. Prepared by S. R. Radom, C. W. Tirrell and R. B. Owens 1943 August 24

Characteristics of antennas on the submarines U.S.S. Tinosa (SS 283), U.S.S. Tullibee (SS 284), U.S.S. Seahorse (SS 304), and U.S.S. Skate (SS 305). Prepared by C. W. Tirrell and R. B. Owens 1943 September 15

Optical sound bearing system. Prepared by Robert M. Sherwood, Robert J. Urick and Waldo K. Lyon 1943 September 20

Magnetic detection loops and acoustic survey Fort Worden, Washington. Prepared by J. O. Long 1943 September 28

Radiation and impedance characteristics of various types of whip antennas and installed on wooden SC boats. Prepared by J. L. Olsen and C. W. Tirrell 1943 October 18

Sound transmission loss through and thickness of the wakes of anti-submarine vessels. Prepared by N. J. Holter 1943 November 22

Model SB radar equipment - Life and performance tests. Prepared by H. E. Bryan and H. E. Reppert 1943 November 23

Directivity characteristics of the new antennas on the U.S.S. Nassau (CVE 16). Prepared by S. R. Radom and C. W. Tirrell 1943 November 25

Radar ray patterns associated with normal and anomalous, propagation conditions. Prepared by F. P. Dane, R. U. F. Hopkins and L. J. Anderson 1943 December 10

Measurement of radar wave refraction and associated meteorological conditions. Prepared by L. J. Anderson and L. G. Trolese 1943 December 10

Rapid reduction of meteorological data to index of refraction at radar frequencies. Prepared by L. J. Anderson and F. R. Abbott 1943 December 10

Transmission of plane waves through a single stratum separating two media. Prepared by J. B. Smyth and F. R. Abbott 1943 December 22

Dynamics and vibration of Mark IV 22 MM gun. Reticle image vibration in Mark XIV gun sight. Prepared by Earl F. Kiernan and Waldo K. Lyon 1944 February 24

Sono optical recorder service tests. Prepared by R. M. Sherwood and W. K. Lyon 1944 February 27

Mechanical determination of the path difference of rays subject to discontinuities in the vertical gradient of refractive index. Prepared by F. R. Abbott 1944 March 10

Instruction memorandum on CW modification for type 896 fathometer U.S.S. Midway (CVE-63) 1944 March 15

Antenna directivity patterns and influence of radar training on TBS patterns - U.S.S. Irwin (DD-794). Prepared by R. T. Brackett 1944 April 8

Procedure and charts for estimating the low level coverage of shipborne 200 MCS radars under conditions of pronounced refraction. Prepared by F. R. Abbott, L. J. Anderson, F. P. Dane, J. P. Day, R. U. F. Hopkins, J. B. Smyth, L. G. Trolese and Ens. A. P. D. Stokes 1944 May 10

Employment of a ship's mast as a shunt excited antenna - Some measurements aboard vessels of the frigate type. Prepared by R. T. Brackett 1944 May 25

Antenna directivity patterns and influence of radar training on TBS patterns - U.S.S. Orca (AVP-49). Prepared by R. T. Brackett 1944 May 29

Calibration and standardization of land based radars by the use of small plane targets. Prepared by F. R. Abbott 1944 June 10

Transmission of plane waves through a single stratum separating two media - Part II. Prepared by J. B. Smyth and F. R. Abbott 1944 June 23

Radar operator's training equipment. Prepared by C. H. Freres, H. E. Bryan, B. G. Ward and R. V. Keeran 1944 July 7

Antenna directivity patterns on U.S.S. Tang (SS-306) and U.S.S. Spadefish (SS-411) with experimental measurements on whip antenna extension to radarscope antenna system on U.S.S. Spadefish (SS-411). Prepared by R. V. Steppler and R. T. Brackett 1944 July 19

Rotating hydrophone audio torpedo detector. Prepared by L. L. Morse 1944 July 19

Measurements of the horizontal thermal structure of the ocean. Prepared by Norman J. Holter 1944 August 18

Antenna directivity patterns on U.S.S. Petrof Bay (CVE 80) TBK, TBL and TDE whip and VHF antennas. Prepared by R. V. Steppler 1944 August 23

Antenna directivity patterns for U.S.S. Halloran (DE-305) - Comparison between nearby and remote transmissions, effect of radar training Upon TBS patterns. Prepared by R. T. Brackett 1944 August 30

An Acoustic interferometer for the measurement of sound velocity in the ocean. Prepared by R. J. Urick 1944 September 18

Antenna directivity patterns of U.S.S. Trepang (SS 412) and submarine and frigate shunt excited superstructure radiation measurements. Prepared by R. V. Steppler 1944 October 12

Predicted low level coverage of S-band shipborne radars as affected by weather. Prepared by L. L. Whittemore, L. W. Cross, E. J. Wyrostek and F. R. Abbott 1944 November 1

Predicted low level coverage of 200 MCS band shipborne radars as affected by weather. Prepared by L. L. Whittemore, L. W. Cross, E. J. Wyrostek and F. R. Abbott 1944 November 4

Wired sonde equipment for high altitude soundings. Prepared by L. J. Anderson 1944 November 17

Identification of projectile fragments for the Anti-Aircraft Training Center, Pacific Beach, California. Prepared by C. H. Milligan and W. K. Lyon 1944 December 16

Atmospheric refraction - A preliminary quantitative investigation. Prepared by L. J. Anderson, F. P. Dane, J. P. Day, R. F. Hopkins, L.G. Trolese and Lt. (JG) A. P. D. Stokes 1944 December 28

Theory, design and construction of a remote antenna tuning unit frequency range: 2.0 to 18.2 MCS. Prepared by J. L. Olsen and C. W. Tirrell 1944 December 30

Thermal wake detection. Prepared by David H. Garber, Robert J. Urick and Joseph Cryden 1945 January 12

Atmospheric waves fluctuations in high frequency radio waves. Prepared by J. B. Smyth and L. G. Trolese 1945 February 1

Atmospheric refraction under conditions of a radiation inversion. Prepared by L. J. Anderson, J. P. Day, C. H. Freres, R. U. F. Hopkins, J. B. Smyth and A. P. D. Stokes 1945 April 21

A Note on the resistance of electric hygrometer elements. Prepared by L. J. Anderson and S. T. Stephenson 1945 May 8

Summary of discussion at Navy Radio and Sound Laboratory on Bureau of Ships problem B22RD "Ship Type Antenna Systems" 1945 June 4-5

A/S detection in harbor defense - Analysis of operational tests at Puget Sound 1946 June 6

Bathythermograph pen lifting attachment and expanded scale bathythermograph. Prepared by F. Kelly Eccles, Robert M. Sherwood and Waldo K. Lyon 1945 June 7

K-band attenuation due to rainfall. Prepared by L. J. Anderson, J. P. Day, L. G. Trolese, C. H. Freres, A. P. D. Stokes and J. B. Smyth 1945 June 8

Panoramic recorder (Small object detector and plotter). Prepared by Louis E. Smith, Earl F. Kiernan and Waldo K. Lyon 1945 July 3

Improvements in USNRSL meteorological sounding equipment. Prepared by L. J. Anderson, S. T. Stephenson and A. P. D. Stokes 1945 July 3

Test of radar beacons. Prepared by R. V. Keeran and H. E. Bryan 1945 August 4

U.S. Navy Radio and Sound Laboratory - Quarterly Report 1945 September

Some measurements of humidity, temperature, and refractive index gradients immediately above the ocean. Prepared by S. T. Stephenson 1945 September 12

Remote monitoring of transponder beacons. Prepared by H. E. Bryan, R. R. McFadden and B. G. Ward 1945 September 17

Radar - MK III IFF - Modification of BM equipment suppressor pulse circuits. Prepared by F. W. Schott 1945 September 18

Sonic radio-link wave height meter. Prepared by L. E. Smith 1945 October 1

Acoustic traveling waves in rods as directive elements for underwater sound applications. Prepared by Theory and Applied Physics staff 1952 January 24

Transmitting angular position data using phase shifting capacitors. Prepared by A. F. Bowen 1952 March 24

Temperatures in the vicinity of an atomic explosion. Prepared by Joseph J. Marciano 1952 March 24

A Study of the effect of carrier frequency drift on AC lead networks. Prepared by C. T. Kleiner 1952 March 28

Further developments in selective spectrum lighting. Prepared by Max W. Lund 1952 April 1

A Method for determining the optimum ratios for radar aided tracking mechanisms. Prepared by J. H. Poirier 1952 April 2

Investigation of simulated blind flying equipment. Prepared by C. T. White and Paul G. Cheatham 1952 April 30

Remote indicating system for a shaft position. Prepared by Howard L. Newman 1952 May 1

Thyration speed control servo. Prepared by N. H. Kennedy 1952 June 14

A Mechanical transformer to increase the low frequency response of a condenser hydrophone and allow deep submergence. Prepared by Donald H. Robey 1952 June 18

Human engineering aspects of the Boreader film reader. Prepared by Wesley E. Woodson 1952 July 1

Human engineering aspects of the sonar set AN/SQG-1. Prepared by Wesley E. Woodson 1952 July 1

A Phasing system for directive radiation from a disordered assemblage of radiating elements. Prepared by F. R. Abbott 1952 July 2

Conclusions of the task group for the Anti-Submarine Technical Evaluation Center (ASTEC). Prepared by C. M. Beyer, F. G. Fisher, D. W. Conover, W. P. Mitchel and C. C. Cram 1952 July 11

Receiver antenna and tuning control servo amplifier. Prepared by N. H. Kennedy 1952 July 14

D. C. controlled thyration servo amplifier. Prepared by N. H. Kennedy 1952 July 14

Evaluation tests on the automatic range-tracking servo system of the AN/KPQ-1 (XG-1) radar (Modified). Prepared by G. M. Dodd and N. H. Kennedy 1952 July 14

Automatic range and bearing of random targets with spherical acoustic lens. Prepared by W. J. Toulis 1952 July 14

Comparison of sonar systems for the detection of bottomed mines. Prepared by E. S. Lamar and P. H. Miller 1952 August 1

Radar navigation and shore bombardment trainer - AN/SPN-T1 (XG-1). Prepared by S. W. Pethley 1952 August 1

The Philosophy of systems development and its role in the research & development laboratory. Prepared by R. O. Burns 1952 August 1

The Transmission of sound through sandwiches. Prepared by R. E. Gaskell 1952 August 13

A Simplified method of deducing the influence of errors on the effectiveness of a system. Prepared by K. J. Friedenthal 1952 August 13

Relative contributions to JT sonar self-noise on U.S.S. Bluegill from propeller, hydrophone motion, auxiliaries and vibration. Prepared by C. J. Krieger 1952 August 14

Pressure-volume relationship for corprene and celltite rubber. Prepared by Dee J. Fraughton 1952 August 29

Theory of the effect of a magnetic field on the phase velocity of sound in electrically conducting plates. Prepared by Donald H. Robey 1952 September 1

NEL repairable plug-in package unit. Prepared by Robert H. Harwood 1952 September 9

The Rectifying property of polarized barium titanate. Prepared by Donald L. Waidelich 1952 September 12

Human engineering aspects of the sonar set AN/UQX-4. Prepared by Richard Coburn 1952 September 12

Target visibility on the dark-trace CRT as a function of ambient illumination. Prepared by C. T. White 1952 September 15

Study of bottom reflection losses for underwater sound. Prepared by K. V. Mackenzie 1952 September 24

The Necessary relations between sound propagation in sea water and electromagnetic phenomena. Prepared by J. M. Stroud 1952 September 29

Brightness enhancement of a flashing red light. Prepared by M. Lichtenstein, D. Conover and P. Hamilton 1952 October 1

Time and the brain. Prepared by John M. Stroud 1952 October 6

Human engineering aspects of the sonar set AN/SQS-7. Prepared by Richard Coburn 1952 October 6

Improving stability of toroidal coils. Prepared by Allen T. Steinkamp 1952 October 7

Continuous transmission (FM) mine detection sonar model XHB. Prepared by A. H. Roshon Jr. 1952 October 8

Cycling "on-off" timer. Prepared by J. L. Leonard and C. E. Cunningham 1952 October 15

Sonic power transmission detection on vibrating structures. Prepared by George M. Coleman 1952 October 27

Modulated auto correlation functions as a secure intelligence handling technique - Proposal. Prepared by John M. Stroud 1952 October 28

Human engineering aspects of the sonar set AN/SQS-9. Prepared by W. E. Woodson and Richard Coburn 1952 October 28

An Approach to system error analysis. Prepared by L. V. Mclean 1952 November 6

A Motion picture camera of simple design which is effectively shutterless. Prepared by John M. Stroud 1952 November 10

Instrumentation for the determination of the phase relation between blade position and ship propeller cavitation. Prepared by C. J. Krieger and R. S. Gales 1952 November 25

Hydrophone system calibration at the Point Sur Sofar station. Prepared by R. Halley and O. W. Schreiber 1952 December 5

An Investigation of focusing within the deep sound channel-off Point Sur. Prepared by R. M. Zarnowitz 1952 December 10

An Electromechanical system for evaluating vibration-measuring instruments. Prepared by R. A. Rasmussen 1952 December 30

A Study of the spectrum of ship propeller noise. Prepared by C. J. Krieger 1953 January 7

Low-frequency array phasing systems using vibrations or magnetic recording media as delay devices. Prepared by C. J. Krieger and F. R. Abbott 1953 January 12

A Cross-polarization technique for lighting control. Prepared by C. T. White and J. F. Bryant 1953 January 15

Trip report - Travel to Washington, D.C. and United Kingdom. Prepared by R. M. Sherwood 1953 January 15

Relative to true bearing servo system. Prepared by A. F. Bowen 1953 January 19

An Application of the single-sideband suppressed carrier system for the conversion from low to high audio frequency signals with phase preservation. Prepared by Jack Wong 1953 January 19

Low frequency electric and magnetic energy transfer in sea water. Prepared by E. R. Abbott 1953 January 28

Prefabricated panel-sections as a standardized packaging technique. Prepared by Richard Coburn 1953 February 2

Human considerations in the design of the radar indicator, AN/SPA-12. Prepared by Richard Coburn 1953 February 3

Survey of automatic data reduction methods. Prepared by Harold D. Dickstein 1953 February 4

A Comparison of performance rating and auditor test scores of submarine sonar operators. Prepared by John C. Webster 1953 February 12

Configurational analysis. Prepared by Douglas G. Ellison 1953 February 16

Own ship position solver. Prepared by A. F. Bowen 1953 February 25

Mortar location computer. Prepared by Norman H. Kennedy 1953 February 25

Proposed interim modification of the AN/SSQ-T2 (XG-1) CIC/PGDS, to meet urgent ASW dual ship training needs at the CIC/TTC, San Diego. Prepared by Rubin Goldberg 1953 February 26

Some signals of seismic origin received at Pacific Sofar stations. Prepared by M. J. Sheehy 1953 March 3

Use of Arma type B and type G resolvers. Prepared by A. F. Bowen 1953 March 17

The Transmission of sound through a three layer sandwich. Prepared by D. H. Potts 1953 March 18

Experimental verification of mathematically predicted performance of several heterodyne auto-correlators. Prepared by W. E. Klund 1953 March 18

Arc-over of heater terminals in the temperature-humidity altitude chambers - Experiments on cause and prevention of. Prepared by Bernard L. Lieb 1953 March 24

Preliminary information on the influence of input errors on the effectiveness of an A/S attack system. Prepared by R. A. Mueller and K. J. Friedenthal 1953 March 30

Summary of sea experiments August 1952 to March 1953. Prepared by Knute J. Takle and Richard J. Derenthal 1953 April 1

Operational tests of two types of linear array hydrophones. Prepared by J. C. Rock 1953 April 14

An Isolation amplifier for large signals. Prepared by Glen M. Dodd 1953 April 17

A 60-Cycle phase sensitive demodulator for the brush recorder. Prepared by Z. H. Blankers 1953 April 17

Proposed functional requirements and training: Considerations for the evaluation of the radar navigation and shore bombardment trainer AN/SPN-T1 (XG-1). Prepared by Rubin Goldberg 1953 April 23

Study of hydrodynamic equations of ship's motion. Prepared by Robert L. Ogram 1953 April 28

A Proposal for a coordinated NEL program on low-frequency sonar. Prepared by R. A. Mueller, K. V. Mackenzie and F. X. Byrnes 1953 May 1

Interim modification of the AN/SSQ-T2 (XG-1) CIC problem generator and display system. Prepared by R. L. Ogram 1953 May 14

Variable resonant transducer. Prepared by Donald H. Robey 1953 May 28

Some modulator techniques for producing short pulses in high powered magnetrons. Prepared by Thomas J. Parker 1953 June 1

Horizontal refraction at the sound channel-axis in the deep Bering Sea. Prepared by R. M. Lesser and R. M. Zarnowitz 1953 June 1

Identities between elastic constants for isotropic solids. Prepared by J. F. Haskins 1953 June 1

Calibration of electroacoustic transducers: Computation of characteristics from test data. Prepared by Ellen S. Stewart 1953 June 1

Some measurements of sound output levels and listening thresholds of underwater swimmers. Prepared by R. M. Ady 1953 June 5

CIC team training center to Navy Electronics Laboratory radar distribution equipment. Prepared by H. C. Kerr Jr. and H. F. Reiden 1953 June 5

Structural elements for use in rapid mockup construction. Prepared by Fred G. Henry 1953 June 12

Some theoretical aspects of low frequency moving coil transducer design for deep submergence. Prepared by D. H. Robey 1953 June 15

Color and pattern coding as applied to large opaque plotting surfaces. Prepared by Carroll T. White and Wesley E. Woodson, Jr. 1953 June 16

Electronic data correlator and computer. Prepared by Harold R. Ahrens 1953 June 22

Linearized hyperbolic transducer. Prepared by A. A. Hudimac and J. J. Barry 1953 June 30

A Novel gated marker circuit. Prepared by George D. Jensen 1953 July 1

Application of correlation techniques to secure sonar communication. Prepared by Woodrow H. Littrell 1953 July 8

Human engineering rationale in scale design. Prepared by M. Lichtenstein and W. E. Woodson 1953 July 16

A Human engineering evaluation of an experimental dial index design. Prepared by M. Lichtenstein and W. E. Woodson 1953 July 27

A Method of recording high speed data on magnetic tape at low forward tape velocities. Prepared by John P. Day 1953 July 30

Effect of velocity gradient conditions at Carr Inlet on sound intensity distribution. Prepared by Frances A. Dahm 1953 August 1

Impedance of a rigid piston in an infinite rectangular array of pistons. Prepared by A. A. Hudimac 1953 August 10

Magnetic delay device using magnetic cylinder and gears. Prepared by C. J. Krieger 1953 August 18

Flutter in lightweight recording. Prepared by S. H. Sessions and E. F. Travis 1953 September 8

Multi-display tube and readout device (Laminated, glow-discharge type). Prepared by Edwin W. Smith 1953 September 8

Enhancement of signals on a ground-stabilized display scope. Prepared by P. J. Himes 1953 September 14

The Theoretical design of blocking oscillator circuits. Prepared by Thomas J. Parker 1953 September 21

Automatic shaft position data encoder. Prepared by Harold D. Dickstein 1953 October 1

Simple matrix algebra applied to transistor circuits. Prepared by James C. Sampson 1953 October 1

Two dimensional electrical delay networks. Prepared by F. R. Abbott 1953 October 6

Oceanographic factors in the mine countermeasure tests at Panama City, Florida in April-May 1953. Prepared by Alfred J. Carsola 1953 October 19

A Tube tester for receiving-type tubes operating in the positive grid region. Prepared by T. J. Parker and W. D. Wilson 1953 October 20

Low frequency projector development. Prepared by R. C. Mathes 1953 October 28

Correction of hydroacoustic output measurements for effects of surface reflection under specific refractive conditions. Prepared by F. A. Dahm 1953 November 15

A Two-dimensional electrical delay network. Prepared by R. N. Goss 1953 November 15

Pseudo-random noise generators. Prepared by R. G. Stephenson 1953 November 23

Secure communications systems using pseudo-random noise generators (Secret). Prepared by R. G. Stephenson 1953 November 23

An Investigation of certain electrical and mechanical characteristics of twenty-six polyester resins. Prepared by E. F. Meckfessel 1953 November 23

Sequential scan radar detection of small targets in the presence of high intensity sea return. Prepared by W. F. Bradley Jr. and E. F. Meckfessel 1953 November 30

The Effect of radiation on the vibration of a clamped square plate. Prepared by A. A. Hudimac 1953 December 1

Theory of the effect of a thin air film on the displacement of a stretched circular membrane. Prepared by D. H. Robey 1953 December 9

On a class of solutions of Maxwell's equations. Prepared by D. H. Potts 1953 December 10

Human engineering aspects of the sonar receiving set AN/FQR-1 (Harbor Defense Listening Array). Prepared by W. E. Woodson 1953 December 16