End Fed Half Wave Wire Antennas
Updated: 12/21/2022 – A work in progress. End Fed Half Wave wire antennas must be great. Everyone is selling them! Meh. The antenna engineer’s axiom: You can have high efficiency […]
Design and Engineering Projects
“Canteen” Shortwave Radio Receiver
UPDATED 11/15/17 One recent project was building a replica of the “canteen radio” that was used by US Army personnel in the Japanese POW camp at Cabanatuan in the Philippines […]
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 […]
AN/GRC-109 / RS-1 Transmitter with VFO
UPDATED 21NOV14 Of course my favorite military Black Radio. The GRC-109 and its immediate predecessor the CIA’s RS-1. I was sitting here thinking about the cost of adding additional FT-243 […]
Field Expedient Antenna Systems
And other simple DIY Antenna Contraptions “If it’s stupid – but works – it isn’t stupid” Murphy’s Laws of Combat UPDATED 1/14/2023 A good field expedient antenna must first start […]
Ancient Heathkit Oscilloscope
Another project: I restored an ancient Heathkit O-8 scope. The design is based upon a 5CP1 CRT as used in various WWII Military radars and IFF sets; the tube was […]
Collins 618F-1A VHF Aircraft Transceiver
UPDATE 9/18/2022 The latest project at N6CC is “reviving” a 1965 Collins 618F-1A VHF aircraft radio. This radio was designed for light aircraft as an early frequency – synthesized radio […]
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 […]
Ammo Box Radio !
UPDATED 2/16/21 Did you ever have a need for a particular piece of Military surplus equipment – only to find the Military never had such a device? Much less “surplussed” […]
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 […]