download hrd 4.0 sp4 kit

Radio Boatanchor parts - Knobs, slicers and antique radio parts for heathkit Johnson Kenwood Hallicrafters Hammarlund and many more

OK1RR DX & Contesting Page - Almost a fresh QSL manager Database, Country Tables for YPLOG by VE6YP (updated monthly), Additional files for the TRLoog by N6TR. Technical topics for HF Contesting (mostly CW), software download (a huge collection)

The Dallas Amateur Radio Club - Home page of the Dallas Amateur Radio Club, located in Dallas, Texas. The DARC is one of the oldest clubs in the country, founded in 1914.

IV3IPS Website - Audio & Video clips, News, Contest, Links, Download and other.

K7HG Ham Radio It's Great - John Agrelius K7HG. Learn about Ham Radio.. See what Amateur Radio Field Day is all about. Download Free Ham Software.

Warren Gregoire & Associates - Boom Microphone Headsets for use on amateur transceivers- assembled and kit form.

Comelec - Electonic kits, for adio,hi-fi , meteo, gadjets, medical and measure.

Almost all digital electronics - This site is dedicated to electronics hobbyists, engineers, and Radio Amateurs interested in circuit design, homebrew and kit projects.

SDR-Kits.net - USB-Controlled Synthesizer for Softrock RXTX and Local Oscillator Applications

LDG Electronics - Automatic Antenna Tuners. Kits and assembled. Other station accessories

Carl's Electronics - Over 200 Electronic Plans and Kits

Radio Propagation - Spread Spectrum Scene. Radio Propagation notes, with downloadable files.

MFJ User manuals - MFJ Enterprises Inc. user manuals download Page

Heathkit SB-220 and SB-221 essential mod - Modifications to avoid damage when 3-500Z tubes fail.

Orion Downloads - Download Ten tec Orion firmware, schematic, manuals, documentation

Kanga US  ^pop - Amateur radio kits by Kanga US.

Funkenhauser's WHAMLOG & Mediumwave DX Links - Free WHAMLOG files download page, medium wave (AM/BCB) resources, homebrew loop antennas, radio receivers, DX lists, DXpeditions, ODXA MW Notebook.

MEI Software - The file MEI-10.ZIP contains educational software to evaluate antenna arrays of up to 8 elements. Two types of arrays may be studied: 2D planar arrays (Yagi-Uda, Circular, etc., up to 6 elements) and colinear arrays (up to 8 elements.)

Antenna Software at QRZ.com  ^pop - Large collection of radio related software at QRZ.com web site.

Quickyagi - This is the place for downloading the latest DOS version of Quickyagi the freeware yagi modeling program with auto-design & optimize.

Proagation Prediction Program (DOS) - Downloadable DOS program for propagation prediction for the serious contester.

Charly 4.0 - WRAASE Slow-Scan-Television (SSTV) commercial windows software, need an external hardware, SC-4 to work.

HRDLabel - HRDLabel is a software for printing labels, QSL and envelope using the Ham Radio Deluxe logbook database.

Heathkit Troubleshooting Tips - Tech informations written by an ex heath technician

HF Radio Modifications  ^pop - Lots of HF radio mods, including AOR, Kenwood, Yaesu, Icom, Uniden, Alinco, Sony