Index of Radio and Sound Bulletin, No. 1-12

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Title Bulletin Page
Abnormal Extensions of Range at Ultra-High Frequencies by Meteorological Conditions 3 35
Abnormal Extensions of the Range of Ultra-High Frequencies  3 29
Aircraft Hazard Lamp-Checking Method  4 64
Aircraft Receivers, Noise and Interference 11 1
Antenna Wire  1 23
Antennas, Insulated  6 35
ATB/ ARB, Aircraft Equipment  8 7
ATC, Aircraft Transmitting Equipment 10 1
Blind-Landing System, A 500-Cycle 1 2
Coaxial Line, Installation of 10 9
Coaxial Transmission Line and Associated Fittings 3 1
Conversion of Inactive Equipment for Current Use 12 23
Cooling Water, Use of Fire Pump as Emergency Supply 7 29
Crystals, Piezo-Electric, Ordering of  10 18
D. C. Generator, Failure of  9 19
Dipole Arrays, Vertical Field Patterns 5 20
DM Direction-Finder Equipment, Improvements in 1 17
DP and DQ Direction Finders, Sense-Button Difficulties 4 32
Drainage of Protective Conduit 9 19
Failure Reports, Methods of Making  7 13
Frequency Mete1 Crystals, Checking Method  4 66
GO-7 Aircraft Transmitter  2 22
GP Transmitting and Interphone Equipment  1 1
Gummed Tape for Tape Printers 1 16
Head Telephone Receivers, High Impedance, Use of  7 27
Intercommunications at Certain Direction-Finder Station 2 21
LD Heterodyne Frequencies Meters, Improper Use of 11 19
Leads, Shielded  6 35
LJ-1 Aircraft Frequency Standard  2 18
Maximum Usable Transmission Frequencies, November 1941 4 1
Microphones and Microphone Circuits, Standardization of 11 15
MZ Equipment, Use of in Amphibious Operations  11 22
Nomemclature, Frequency-Band Designation  10 17
Notes on New Standard Radio Equipment  7 1
OD and OQ Vacuum Tube Analyzers, Modernization of 10 16
Panoramic Radio Receiving Equipment  12 1
Phone Cards, Use of Shielded  7 27
Plastic Insulated Cables in Aircraft Radio Installations 12 9
Projector Environment 1 20
RAA-3/RAB-3 Radio Receivers, Extension in Guaranty Period 1 16
RAA Series Receivers, Difficulties With Band Switches 1 15
Radar Plotting Board  11 3
Radar Security  12 25
Radio and Sound Equipments, Modification and Precautions 2 26
Radio and Sound Subjects, Subclassification of 4 59
Radio Antenna Situation  2 1
Radio Distance Ranges  4 22
Radio Material, Effective Employment of  11 21
Radio Personnel 1 25
Radio Transmission, Conditions Affecting 4 2
Radio Transmission and the Ionosphere 4 2
RAK and RAL Receivers, Hum Reduction in 4 32
RAS, RAW, and RAS-1 Receivers, H um Level in 1 22
RBA, RBB, RBC Receivers, Comments on 11 22
Receiving Equipments, A New Series of Standard Radio 3 23
Reports, Failure, Security of 11 13
Roller Parallel Rule 12 17
Security, Hazards to  8 11
Security, Hazards From Use of Electric Razors 9 11
Silencer, Use of 12 26
SSD-1 Code Practice Equipment, Shipboard Use of 11 17
Standard Frequency Broadcasts 8 16
Standard, Frequency Broadcast of National Bureau of Standards, Improved 12 19
Stand-off Insulators, Improvements in Design of 1 24
Submerged Reception of Radio Signals 6 1
Sunspots and Radio Transmission 4 28
TAJ-6, TA.J-7, TAJ-9, TAJ-10, Fuse Failures 7 28
TBA-6 and TBA-10 Transmitters, Modification to 12 21
TBK-4 Transmitter for Balanced Output Operation, Modification to 12 11
TBK-l0 Transmitter, Comments on 10 22
TBO-1 and TBO Portable Field Equipment 2 24
TBO and TBX, Modifications to 8 14
TBP and TBY Series Equipment, Power Supplies for 12 18
TBP , TBY, TBY-1, Modification to 7 25
TBP, TBY, TBY-1, TBY-2 Portable Equipment 1 19
TBU, TBU-1/2/3/, TBM-7/8, TBK-1 3/15, and TBL-6 Equipments, Fuse Modification for Magnetic Controllers of 12 16
TBW Transmitting Equipment 11 18
TBX- 1 , Modification to 11 14
TBY, Radio Equipments, Microphone Head-set Troubles 4 32
TBY Series Equipments, Antennas for Shipboard 12 22
TCK Series Transmitting Equipment 9 1
TCS Antenna Loading Coil Failures 11 20
Training Power Supply Adjustment 1 12
Transmission Lines, Receiver 1 22
Transmission Lines, Matching 5 16
Transmission Lines, Matching o f High Frequency 8 2
Transmission Lines, Technical Reports 5 15
Transmitter, Emergency 9 20
Transmitting Antenna Insulators, Care of 8 17
Underwater Sound Apparatus, Painting and Servicing 10 6
Underwater Sound Equipment, Electron Tubes for 1 25
Underwater Sound Projector Crystal Assembly 2 19
United States Navy Radio and Sound Laboratory, San Diego 1 1
Vacuum Tubes, Cross Index of Army and Navy Type 7 19
Vacuum Tubes, Instructions 9 6
Vacuum Tubes on Receiver Requirements, Influence of 3 38
Vacuum Tubes, Revised Crossed Index 9 13
Vacuum Tubes, Security Classification 11 11
Volume Control Change in Aircraft Equipments 2 25
WEA-l Underwater Sound Equipment, Comments on 12 15
YG Radio Homing Equipment, Modification to 1 28