Army Jeep Parts Inc. - Radio Set AN/GRC-9 installed in a M-38A1 jeep (TM 11-5820-453-20). Early 1950's. The AN/GRC-9 (often called the "Angry Nine") was a 2-12 MHz, AM/CW, low power transportable
AN/GRC-9 aka "Angry Nine" • AmateurRadio.com
German donates historic radio to MCC museum | Article | The United States Army
AN/GRC-9 RT-77 military radio - YouTube
AN/GRC-9 - RadioNerds
AN/GRC-9 Radio Set | N6CC
Ham Radio - QRP: AN/GRC-9 aka "Angry Nine"
Military AN/GRC-9, Mobile Shortwave Transceiver | RigReference.com