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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

11-meter.com - Activation logs, IOTA, projects and more.

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.

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

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.

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

Tesoel - RF-and Microwave Coaxial switches and relays

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

Mirage - VHF and VHF amplifiers including repeater rf amplifiers

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

Solar Cycle 24 - Current status, prediction, solar weather for the solar cycle 24 by VE3EN

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

Cumbre DX - Free internet only Shortwave Broadcast DX newsletter.

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

MR8100 Page - MR-8100 user's manual with PC software supplement

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

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

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