history of radio tubes

Romeo Charlie Mike - Pagina oficial de Romeo Charlie Mike

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.

XR0YG – Easter Island - XR0YG dx pedition official web site

France - REF - Union Francaise des Radioamateurs

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

PCDealer DealerLinks DealerEmail - 1300+ Ham Radio related business links in 75+ categories, plus DealerEmail.

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

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.

Motron - Manufacturers of quality electronic products

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.

TechniSoft Printing & Promotional - Low Cost QSL Card Suppliers at Canadian Prices. We Also Print Tags, Make Rubber Stamps, Buttons, Badges, & Promotional Products of all types

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

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

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

G3PTO  ^pop - Homebuilt Amateur Radio & CW communications web site

JF1OZL  ^pop - Large list of homemade projects and designs

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