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Hybrid Antennas - Antennas that use a combination of vertical and horizontal polarisation.

The Gain of the Axial-Mode Helix Antenna - by Dr. D.T. Emerson, National Radio Astronomy Observatory (NRAO++). Antenna Compendium Volume 4, pp 64-68, 1995, published by the ARRL.

Short Vertical Antennas and Ground Systems  ^pop - This article describes how an effective ground system can be produced for a short vertical antenna.

Projects and Info Center - Antenna projects and info center by KP4AO, including The Optimized Wideband Antenna (OWA) Yagi and Skyhawk, a state-of-the-art trapless tribander

Charly Alpha Dx Group - Spanish web site of Charly Alpha Dx Group (Italy)

Omega Group - Official web site

Alfa Tango Slovenia - Official Slovenian Alfa Tango web site

Mongolia DX Association - Mongolian DX club with a lot of dx info and an online DX newsletter

DX & IOTA News Bulletin - Subscribe now to get CB DX & IOTA News bulletin every 2nd week for free.

YO5KAI - CSM Cluj HamRadio Club - CLUJ NAPOCA, ROMANIA - Radioclubul CSM Cluj, Unul dintre -si cel mai mare radioclub din judetul Cluj CSM HamRadio Club of Cluj-Napoca, one of -and the most important- radio clubs in Cluj County, Romania.

Radio Society of Great Britain - The Headquarters site for the RSGB - representing UK amateur radio. News - Book Shop - Information.

Friends of Amateur Radio Group FARG. - F.A.R.G. The Friends of Amateur Radio Group Home Page.A fraternal organization dedicated to the advancement of Amateur Radio. Many links , Club roster.

PA3ANG Online Receivers - Control an ICOM PCR-100 and listen to the audio stream. This web controlled receiver si based in the Netherlands by PA3ANG and offer 10kHz - 1300MHz in AM, FM, FMW

Giovannini Elettromeccanica - Quad, Yagi for low bands. Specialist in antennas, supports and moving of medium-large sized radio antennas, professional rotators, masts, towers, and accessories.

SDR-Kits.net - USB-Controlled Synthesizer for Softrock RXTX and Local Oscillator Applications

Linux DStar Development - The life and times of development of a Linux D-Star repeater and dplus node.

Meteor scatter basics - Working DX on a Dead 50MHz Band using Meteor Scatter, by Palle Preben-Hansen, OZ1RH

Meteors Q&A - very informative, answers questions like what is forward scatter, how does a meteor reflect radio waves ?

Monitoring Times  ^updated - Monitoring Times, SWL, BCL, montly reports, Broadcast band, satellite television, long-wave coverage, Reviews of new products and radio-related software.

Universal Radio  ^pop - Online Catalog. All about Radio comms, HF VHF Scanner CB radios, antennas and accessories

Antenna Visualization - UNIX Application developped at the University of Texas Department of the Computer Sciences, permit to display the radiation pattern and the current magnitude.

GcmWin : Great Circle Map  ^pop - GCM is a freeware great circle map plotting software for windows, you can choose colours, scale, meridians, fields and or squares from the maidenhead locator system.

Ipmulse Systems - Impulse Systems offers several innovating products: F6FBB Language Editor and WinPack CoDec

RadioControl  ^pop - 32-bit Windows software to control multiple radios simultaneously. Beside direct control, it also features frequency and memory management and various scan options. Supported radios range from AOR to Icom and WiNRADiO.

J-Track - With J-Track you can quickly and easily keep track of your favorite orbiting objects.