antenna array working at

USA beacons - United States Unlicensed Beacon List

NCDXF/IARU International Beacon Network - The NCDXF, in cooperation with the IARU, constructed and operates a worldwide network of high-frequency radio beacons.

10 meters Beacon list - List of propagation beacons transmitting on 10 meters band maintained on daily basis by Bill Hays WJ5O

Longwave Non-Directional Beacons - Beacons operating in the longwave radio spectrum, generally between 200 and 450 kHz

WWDXC Western Washington DX Club - The Western Washington DX Club is an organization of Amateur Radio (HAM) operators who have a special interest in DX or distance communications

Mariana Islands DX Association - 96 pages, 450 pictures including hams in the Mariana islands and their shacks, QSL gallery, island photos, Digital Voice Keyer software, and lots more.

US Islands - Official Website of the United States Islands Awards Program by Dennis Tuchalski N9WDQ

Peterborough and District Amateur Radio Club - A Radio Society of Great Britain affiliated club

France - REF - Union Francaise des Radioamateurs

Angle linear  ^pop - Linear Radio Frequency (RF) products and peripherals for communications

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

Hardware interfaces - The LCU-3 is an inexpensive unit that interfaces your radio to your computer.

KBT DC Supplies - Linear Regulated DC Power Supplies

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

PacketRadio Beginners Guide - A Primer for the new Packet Radio operator

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

Artifax Books - New and used books on telegraphy, key collecting, antique radio and communication-related subjects, as well as vintage telegraph instruments

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

Monitoring the Crisis in the Balkans - By the Monitoring Times Staff, NATO HF Frequencies, NATO Common VHF/UHF Frequencies and English Language Shortwave Broadcasts from the Balkans

SCCW for Linux - Sound Card cw for linux

Morse Tutor Gold - Morse Tutor Gold by GGTE Quality Software for Amateur Radio.

TRX-Manager HAM Radio CAT Software  ^pop - TRX-Manager allows control of most radios on the market and features many original features. By Laurent Labourie F6DEX

600 Watt HF Amplifier  ^pop - Schematics plans by K9GDT and all infos to build a 600 Watt HF Amplifier

Resistor values by color - Calculate Resistor Values from Color Codes

40 meter 100 watt Transmitter - 40 meter transmitter by K9GDT