Technical Reference/Power Supply
A crowbar protected PSU project by G8MNY

Technical Reference/Electronics
Balanced and Unbalanced Systems

Technical Reference/Grounding
Ham Station Desk Radio Equipment Ground

Technical Reference/Electronics
Article about shields, Litz wire, braid, and skin depth. It is still being expanded.

Shopping and Services/Regional/USA
Located in Upstate New York, specialize in unusual surplus equipment, mostly of military origin.

Radio Equipment/HF Amplifiers/Kenwood TL-922
Collection of Kenwood TL-922 linear amplifier modifications

Technical Reference/Batteries
All you need to know to keep your batteries fit and well!

Operating Modes
Summary of digital modes, description of several operating modes, with sound samples by Highfields ARC

Technical Reference/Grounding
Hams or amateur radio operators and CB operators usually cannot have ideal grounds, but with some care and planning they can have nearly perfect systems

DX Resources/DX Peditions/2012 DXpeditions
3C0E Annobon Island 2012 DXpedition web site

Shopping and Services/Regional/Europe/Spain
Spanish amateur radio dealer and shop

Radio Equipment/HF Transceivers/Elecraft K2
WG4S Fat Wire Digital Interface for the Elecraft K2

Technical Reference/Radio Programming Cable
Make a Yaesu CT-27A cloning cable By Brian, MW0GKX.

Antennas/80M
The Multibandfuchs by DL7AQT, Frank

Antennas/80M
HA8RM two elements yagi antenna for 80 meters band

Technical Reference/Radio Programming Cable
Make a Yaesu cloning cable for Yaesu radios ft-847, ft-857, ft-23, ft-90 FT-1500, FT-1802, FT-2800, FT-2400, FT-2500

Technical Reference/Mic wiring
Vertex Standard, Yaesu mic pin outs for: FT-90, FT-100D (1990s), FT-2600, FT-3000, FT-7100, FT-8100.

Technical Reference/Radio Programming Cable
ICOM CI-V interface to RS232 using transistors, fits in DB9 case

Radio Equipment/HF Transceivers/Elecraft K2
Makes reception at frequency of strong tx close by possible

Antennas/80M
80 meters square antenna by HA8RM