z antenna

CB antennas  ^pop - Lots of information on fabricating CB antennas

J-verical for 10 meters  ^pop - J-verical antennas for 10 meter band with photos and plans

LF Receiving Loop - A really simple LF receiving loop antenna

Romeo Charlie Mike - Pagina oficial de Romeo Charlie Mike

ARCRON - Manufacturer of radio controlled clocks

SuperCircuits - ATV accessories manufacturer

Aircom - Antennas, Adapters, Attenuators, Tuners and more

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

RadioWorld Inc. - Canadas Amateur radio, citizen band , shortwave, scanners, marine radio distributor and manufacturer of ham radio accessories

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

Decibel products - Base station antennas, now andrew corp.

Bencher Inc. - Paddles, Keys, Filters, Antennas

Astron - Astron corporation power supplies and accesories

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

Ameritron  ^pop - Manufacturer of amplifiers, antenna switches antenna Tuners, wattmeters and relay buffers, amplifier accessories, antennas and tubes and parts

Keplerian Elements - Keplerian elements are the inputs to a standard mathematical model of spacecraft orbits.

VK9LA’s Amateur Radio Propagation - Selected articles about propagation from his monthly Propagation column in WorldRadio

High Frequency Propagation Models - Institute for Telecommunication Sciences High Frequency Propagation Models

Ionosphere Web Site - Ionospheric Data Archived at NGDC

Radio Scanner - German SWL BCL scanner magazine

DirLog - DirLog is freeware CB 11 meters logbook available only to Alfa Tango Members

HF Propagation Models from NTIA ITS - Windows-95/98/NT 32-bit HF Propagation Models from NTIA/ITS

The Islander HF RTX - A practical solution by Cuban radio amateurs, hybrid circuit with mostly defunct TV set parts.

JF1OZL  ^pop - Large list of homemade projects and designs

AR8000 Serial Link - A simple and inexpensive way to connect an AR8000 to a portable computer