Family of vehicular VHF radio communication equipment, used by all tactical echelons.
Used by the US military from early 1950s until late 1960s, designated AN/GRC-3 to 8 series.
Used by the IDF during the Six Day War (1967).
Frequency ranges: armor and artillery band – 27 to 38.9 MHz, infantry band – 38 to 54.9 MHz, short range between vehicles – 47.0 to 58.4 MHz; FM (Frequency Modulation); 120 or 170 channels in 100 kHz steps, with ten channels overlapping between bands; output power: 9 to 16 Watts; powered by 12 or 24 Volts DC; Range: 20 km, depends on terrain and cover.
Vacuum tube technology.
Main configurations: MQ-105, MQ-106, MQU-106, MQ-116, MQU-116, MQ-125, MQ-126, MQ-127, MQ-128.
Main components: transmitters-receivers MH-67, MH-68, MH-70; receivers: MH-1109, MH-1110; amplifier: MH-65; power supplies: SK-1109, SK-1112.
Main accessories: antenna bases: BA-15, BA-48; antenna elements: HAN-22, HAN-24, HAN-116, 117, 118; mounting: MU-297, MU-299, MU-327; audio accessories: MJD-33, MJS-63, MJS-189, RMQ-166; intercommunications box: QP-375.
GRC VHF Radio Sets
