AN/GRC-109 “Special Forces” Radio Set
UPDATED 2/19/2025: My favorite “Black Radio”. The AN/GRC-109, AKA the “GRC-109” and “ANGRY 109”. Probably the ultimate “SHTF Radio” for trained (or trainable) personnel.A Deep Dive, probably more than you […]
Generators and Powering Field Sets
GRC-109 / GRC-9 Battery Operated Power Supplies
UPDATED 2/9/17 Both the GRC-9 and GRC-109 used the BA-48 battery to power their respective receivers as an option. When operated from the various dynamotor, vibrator or AC supplies, the […]
Field Power: Honda EX-1000 RF Noise Problems & Other Alternatives
UPDATED 11/1/20 Honda EX-1000 Generator: I have been running several field radio systems from a Honda EX-1000 generator for AC power. (Technically, it’s an Alternator, not a Generator and that […]
Solid State Dynamotor
UPDATED 1/2/13 When I got the A.R.C. Type 12 Radio Set working, I did not have a suitable dynamotor, let alone the correct one, a D-10A. Anxious to get it […]
GENSETS for AN/GRC-109 – RS1 and RS-6 Radio Sets
UPDATED 4/28/24 Known Gasoline GENSETS for, or usable with the AN/GRC-109, RS-1 and RS-6 systems: My favorite sets for field Ops. The UGP-12. 125 Watts, 115 VAC, 400 cps, 2-stroke […]