Tag: Antenna

The Clemens Match

Posted on by Simone

The Clemens match is easy to make and reliable, and is preferable to a single Gamma match as it is balanced. I was first introduced to the Clemens match by G4IGO several years ago, Ken builds his in a slightly different way by putting the capacitor at the feeder end and connecting the far end…

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160 Meter linear loaded Tee vertical doublet antenna

Posted on by Simone

I decided to publish this website in order to pass on some insights about this antenna that I’ve garnered through extensive experimentation. A warning though, some of the combined design aspects of the antenna may be unique and unorthodox, a think out of the box antenna design. Note! I do not have a B.S. or…

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Discone Antenna for RTL SDR

Posted on by Simone

I have been getting into software defined radio via RTLSDR and found the stock antennas woeful for reception and picked up a tonne of noise from my LCD and laptop – though it’s hardly surprising.  So to improve the situation and spend as little as possible I decided to make a discone antenna.  After some…

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Ultra-portable 5ele 144MHz Pocket Portable Yagi

Posted on by Simone

Please feel free to build or distribute the information on these antennas. G4DHF retain the copyright to the designs and ask that they are not manufactured for commercial gain. Introduction This is a design for a 5 element 2 Metre beam with a forward gain of 8dBD and a front to back ratio of over…

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