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The AN/GRC-9, Description and Data
Radio Set AN/GRC-9(*) is a low-power radio transmitter and receiver that may be used in either ground or vehicular installations.The radio set receives and transmits continuous-wave (cw), amplitude-modulated (am), and modulated continuous-wave (mcw) radio-frequency (rf) signals in the 2 to 12 megacycle (mc) range.
It is basically a improved version of the WW II BC-1306 radio.
The AN/GRC-9 has been contructed by
different US, German and French manufacturers. The radio has been used by US and
NATO forces (Belgium, France, Germany, Greece, Italy, The Netherlands and Portugal).
The former Yugoslav army the JNA and even the contra rebel forces in Nicaraqua.
The JNA used the original US supplied radio and refurbished it with their own
paint and markings.
Different power options for the AN/GRC-9
All the power supplies are interchangeable in the radio sets.
For vehicular use:
Vibrator power supply PE-237 6/12/24 volts d-c
Dynamotor power supply DY-88/GRC-9 6/12/24 volts d-c
Dynamotor power supply DY-105/GRC-9 24volts d-c only
For ground use:
Power supply PP-327/GRC-9Y (Top) and PP-327A/GRC-9Y (Bottom) 115/220 volts a-c
Power supply PP-327A/GRC-9 Panel door open
There is a improved B version with an additional blower fuse and it uses .75 instead of 2-ampere protective fuses.
Power unit PE-162
With the early GRC-9 models they made use of the PP-39/TRC-2 to power the receiver instead of the BA 48 dry battery.
Additional equipment used with the radio set;
CW Key J-45
Cord CD-1086 power cable between the radio and the power supply unit.
Dry battery BA-48 that could power the receiver section.
Box BX-53 with spare parts for the receiver and transmitter.
Typical ground installation
For vehicular use;
Mast Bracket MP-50
Mast Base MP-65
Typical vehicular installation