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

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

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

France - REF - Union Francaise des Radioamateurs

Delaware Valley - DVRA Hamfest, by Delaware Valley Radio Assoc.

SM6WXI Thomas - Ham and CB radio pages

ARCRON - Manufacturer of radio controlled clocks

LinkPlus - LinkPlus products enhance the voice quality of HF SSB amateur. Eliminates virtually all channel noise and interference and greatly strengthens SSB radio signals

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

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

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

Terrasat Inc. - Manufacturer of Receiver and Transmitter for Digital Microwave radio and VSAT equipment

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

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

Copper Electronics - Primarily CB-oriented, but a source for microphones, scanners and other items for Amateurs.

NSI Communications Inc. - Dealer for Alinco Astron Cushcraft Comet Icom Kenwood Motorola MFJ SGC and Yaesu

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

40 meter 100 watt Transmitter - 40 meter transmitter by K9GDT

40 meter CW/SSB Receiver - The K9GDT 40m receiver