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Understanding the Hexbeam - G3TXQ pages focuses on understanding the HexBeam antennas. Basics, dimensions, multi band issues, antenna modeling.

Fixed inverted vee antenna for 80m - Infos and plans for an Inverted V wire antenna for 80 meters band

Stacked Yagi Antennas - Constructing and designing full size, single band stacked yagi antenna arrays

DARC Ortsverband Duisburg - DARC DOK L16 Duisburg-Huckingen Ham Radio Club

DARC Ortsverband Dusseldorf R01 - Deutscher Amateur Radio Club - Ortsverband Düsseldorf, R01

Roadrunners Microwave Group - Organized to promote operation on the amateur bands above 420 MHz

The San Diego Six Shooters ham radio club Priority listing - The San Diego Six SHooters Amateur Radio Club, established in April 2001, is dedicated to promoting all modes of operation on the Six Meter Amateur Radio Band.

EI8IC's HF Contest Resource Site - This HF contesting resource site has a large range of articles, tips and techniques, contest writeups, bandplans, links, and a fine range of Ham maps.

TE Systems - Manuf RF power amplifiers wideband+narrowband for Commercial, Defense, OEM and amatuer markets. Also low-noise rf amplifiers

Gizmotchy Antennas - The Gizmotchy high performance horizontal and vertical beam antenna for 2/6/10/11 meter bands

BitScopes Mixed Signal Oscilloscopes - Robust and affordable PC based mixed signal oscilloscopes for Windows, Linux and Mac. Isolated USB or networked connection to one or more PCs. Data acquisition, waveform generation and multi-user options available.

Magic Band Network - 50 MHz information on antennas, beacons, and frequencies provided by PA4PA

Six Meters: An Introduction - An extensive introduction to 50 mhz band, (6 meters)By Dave Finley N1IRZ, appeared in QRPp Winter 2000

Six Meters FAQ - Faqs on six meters band, designed to help encourage hams to use and enjoy this band

The Four Metres Web Site - A website dedicated to 70 MHz Band

Long Wave Radio - Dedicated to 136 Khz band by G3YXM includes news, links and software useful for LF working.

Amrad LF operatoins - Lot of useful information on experiments on 136 Khz band, with antenna tips DSP infos and notes on their activity in LF.

CEPT ERC 136 Khz Recommendation - Use of the band of 135.7-137.8 kHz by the amateur service

RSGB HF Committee - LF Band activities section

VHF UHF Operating index - RAC - VHF UHF SHF Bandplans, repeaters, satellites and many related info by RAC

KB2VGH's VHF pages - Bandplans, Beacons and many useful info on VHF operations

Todd Emslie's TV FM DX page - Australian page featuring 45-108 MHz VHF DX via Es, multi-hop sporadic E, TEP, and F2 propagation.

49MHz Hobbyists Site - A website and email reflector for hobbyists in the unlicensed 49MHz low-power band.

EchoFilter - EchoFilter uses the soundcard of a PC to process income audio signals in real-time. The narrow filter bandwidth allow the extraction signals and sounds from the audio signal that may normally be close to inaudible. It is intended for radio HAMS, hobbyists, researchers, scientists and students in the DSP field.

SeaTTY RTTY/NAVTEX decoder - Program to receive weather reports and navigational warnings transmitted on longwave and shortwave bands in RTTY and NAVTEX modes. None additional hardware is required - your need only receiver and computer with a sound card.