[ARC5] History of the GO-series of USN Long-Range Transmitters

[Scott Johnson]

I have a TBW, minus the LF section, but complete with the rotary
magnetostrictive combination siren, filling remover, concrete vibrator, and
yes, 800Hz inverter.
Cool piece of kit, but out of my wheelhouse. If anyone is man enough to
tackle it, I will let it go for $250.

Scott V. Johnson W7SVJ
5111 E. Sharon Dr.
Scottsdale, AZ 85254-3636
H (602) 953-5779
C (480) 550-2358
scottjohnson1 at cox.net
scott.johnson at ieee.org

-----Original Message-----
From: ARC5 [mailto:arc5-bounces at mailman.qth.net] On Behalf Of Mike Morrow
Sent: Sunday, August 7, 2016 5:17 PM
To: milsurplus at mailman.qth.net; arc5 at mailman.qth.net
Subject: [ARC5] History of the GO-series of USN Long-Range Transmitters

Summary of Characteristics of All Eleven GO-series Transmitting Systems

Data for all models:

Power Output:   125 W
Modes:          A1, A2
Power Supply:   115 vac, 800 Hz
                12 or 24 vdc

------
GO      1933      CHS = Hygrade-Sylvania

CHS-52020    HF Transmitter,   4000 to 13575 kHz
CHS-52021    IF Transmitter,    300 to   600 kHz
CHS-?????    Rectifier Power Unit

------
GO-1    1934      CW  = Western Electric

CW -52033    HF Transmitter,   3000 to 13575 kHz
CW -52034    IF Transmitter,    300 to   600 kHz
CW -20021    Rectifier Power Unit

NOTE:  GO-1 was canceled.

------
GO-2    1935      CW  = Western Electric

CW -52053    HF Transmitter,   3000 to 13575 kHz
CW -52054    IF Transmitter,    300 to   600 kHz
CW -20042    Rectifier Power Unit

------
GO-3    1937      CAY = Westinghouse

CAY-52070    IF Transmitter,    300 to   600 kHz
CAY-52071    HF Transmitter,   3000 to 13575 kHz
CAY-20054    Rectifier Power Unit

------
GO-4    1938      CG  = General Electric

CG -52107    IF Transmitter,    300 to   600 kHz
CG -52108    HF Transmitter,   3000 to 26500 kHz
CG -20079    Rectifier Power Unit

NOTE:  This is the first transmitter capable of operating higher than the
associated RU-series receiver upper limit of 13575 kHz, motivating the
development of receivers with coverage above 26500 kHz:

  RAT    1939  13500 to 27000 kHz, plus RU-11 (224 to 13575 kHz), 12 vdc
  RAT-1  1939  13500 to 27000 kHz, plus RU-12 (224 to 13575 kHz), 24 vdc
  RAV    1940    190 to 27000 kHz, 24 vdc
  RAX-1  1940    200 to 27000 kHz, 24 vdc

------
GO-5    1939      CG  = General Electric

CG -52117    IF Transmitter,    300 to   600 kHz
CG -20083    Rectifier Power Unit

NOTE:  GO-5 appears to have become part of GO-6.

------
GO-6    1939      CG  = General Electric

CG -52118    HF Transmitter,   3000 to 22000 kHz

NOTE:  It appears that GO-5 and GO-6 made one complete transmitting system
under GO-6 system nomenclature, consisting of:

CG -52117    IF Transmitter,    300 to   600 kHz
CG -52118    HF Transmitter,   3000 to 22000 kHz
CG -20083    Rectifier Power Unit

------
GO-7    1940      CAY = Westinghouse

CAY-52144    IF Transmitter,    300 to   600 kHz
CAY-52145    HF Transmitter,   3000 to 13575 kHz
CAY-20103    Rectifier Power Unit

------
GO-8    1940      CAY = Westinghouse

CAY-52187    IF Transmitter,    300 to   600 kHz
CAY-52188    HF Transmitter,   3000 to 13575 kHz
CAY-20103    Rectifier Power Unit

------
GO-9    1940      CAY = Westinghouse

CAY-52192    IF Transmitter,    300 to   600 kHz
CAY-52193    HF Transmitter,   3000 to 18100 kHz
CAY-20103    Rectifier Power Unit

------
GO-9a   1944      CAY = Westinghouse

CAY-52192    IF Transmitter,    300 to   600 kHz
CAY-52193a   HF Transmitter,   2200 to 18100 kHz
CAY-20103    Rectifier Power Unit
CAY-50178    Noise Modulating Unit

NOTE:  Modified from the GO-9.

------

Principal Sources:

NAVSHIPS 900,109 Navy Type Number Book  - September 1945

1.  List of Type Numbers Assigned to Naval Electronic Equipment
    NAVSHIPS 900,109, September 1945
2.  List of Naval Radio, Radar, and Sonar Equipment
    SHIPS-242A, January 1945

------

This may be the first attempt made to address development of GO-series
transmitters.  Of course, I welcome comments, discussion, suggestions, and
corrections to the above.

Mike / KK5F

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