“Canteen” Shortwave Radio Receiver
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 during WWII. ...
Design and Engineering Projects
GRC-9 / GRC-109 Receiver Battery Power Supply
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 receivers were ...
Antenna System Ideas
DIPOLE CENTER INSULATOR: Below is a photo of a simple dipole center insulator assembly. It can be used for an end-supported dipole, a center-supported dipole or an inverted Vee antenna. ...
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
The latest project at N6CC is restoring a 1965 Collins 618F-1A VHF aircraft radio. This radio was designed for light aircraft as an early frequency – synthesized radio built in ...
Field Power: Honda EX-1000 RF Noise Problems & Other Solutions
Honda EX-1000 Generator: I have been running several field radio systems from a Honda EX-1000 generator for AC power. It’s a good “camp” generator, starts reliably, is reasonably quiet but ...
Ammo Box Radio !
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” it? Seems ...
Solid State Dynamotor
When I got the Type 12 Radio Set working, I did not have a suitable dynamotor, let alone the correct one, a D-10A. Anxious to get it going for upcoming ...
Other Field Expedients
A collection of field expedient stuff: Adapt, Improvise, Overcome (Also see field expedient antennas in the Antennas sections) Field expedient keyer paddle: To go along with my quickie HF mobile ...