ten tec 580 mars mod

LF Receiving Loop - A really simple LF receiving loop antenna

N. American Data Communications Museum - Telephony technology from telegraph to digital transmission

Azteca DX Radio Group - The Alpha-Delta group is a group dedicated 100% to DX Oncemetros in the band and can say that is 100% of Mexican origin.

OK1CDJ Ondrej - VHF, UHF page, technical articles, projects, datasheets

GeoTool - Pickup truck stake pocket antenna mount by geotool

FR Radio Lab - Magnetic Loop antennas, also availble in parts from japan

Sirtel - Sirtel produces a wide range of radio and telecommunications antennas

Bencher Antennas - HF Vertical and Beam Antennas, antennas accessories by Butternut

Giovannini Elettromeccanica - Quad, Yagi for low bands. Specialist in antennas, supports and moving of medium-large sized radio antennas, professional rotators, masts, towers, and accessories.

Cushcraft  ^pop - Cushcraft Amateur Radio and commercial antennas HF and VHF vertical and yagi antennas owned by MFJ.

C3I Antennas - The finest in VHF/UHF antennas for Amateur and Commercial Applications. Antennas and Repeater Controller Accessories includes Rutland Arrays.

Bencher Inc. - Paddles, Keys, Filters, Antennas

Elecraft - Manufacturer of the K3 & K2 160-10M CW/SSB amateur radio transceiver, K1 transceiver, transverters, Antenna tuners

Packet radio networking - Packet Radio networking home page with lots of informations and tech. resources

The Adcock HF RDF Antenna - The Adcock antenna has been used for a long time for RDF. It is basically an interferometer.

Understanding Solar Indices - By Ken Larson KJ6RZ, a complete guide to understanding soloar indices and values.

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

High Sierra Antennas - HF and VHF antennas for cars, trucks, homes, trailers and recreational vehicles

Electronic Service Pros  ^pop - HAM/Broadcast, Modifications & Repair, D-104 mods, TS-830 TS-530 mods

Universal Radio  ^pop - Online Catalog. All about Radio comms, HF VHF Scanner CB radios, antennas and accessories

Antenna Systems & Supplies - Antennas, cables, Grounding Equipment, shelters and towers.

CQRLOG - Advanced ham radio Linux logger based on Firebird database. Provides radio control based on hamlib libraries, DX cluster connection, QRZ callbook, a grayliner, ON6DP QSL manager database support and a most accurate country resolution algorithm based on country tables developed by OK1RR. CQRLOG is strongly focused on easy operation and maintenance.

PED CW PileUp Trainer - PED is a CW pileup trainer written by MasIII. It is a free software. It requires DOS and SoundBlaster compatible sound source.

MRX Software - MRX Morse Code for Windows 9x/NT is a program designed to teach morse code receive and transmit using the benefits of Multi-Media PC technology

PKTerm 99 - PKTerm 99 host mode terminal software for the Timewave/AEA TNCs takes advantage of the true multitasking capabilities of Windows 95,98,NT.