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Tech Head - The Technology Section
SDR radio, Software Defined Radio
ADS-B / Flightradar 24 setup
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<blockquote data-quote="Llew" data-source="post: 982479" data-attributes="member: 175007"><p>Same as yours Ross, I have seven pieces of coax in a co-linear configuration slid into a piece of plastic pipe, no impedance-matching resistor at the end, as some suggest. Didn't make much difference when I first tested it.</p><p></p><p>Height of the antenna and good clearance from any obstructions seem to be the main things to aim at for best performance, but of course you know that already. And a low-noise amplifier at the antenna head gives some extra gain.</p></blockquote><p></p>
[QUOTE="Llew, post: 982479, member: 175007"] Same as yours Ross, I have seven pieces of coax in a co-linear configuration slid into a piece of plastic pipe, no impedance-matching resistor at the end, as some suggest. Didn't make much difference when I first tested it. Height of the antenna and good clearance from any obstructions seem to be the main things to aim at for best performance, but of course you know that already. And a low-noise amplifier at the antenna head gives some extra gain. [/QUOTE]
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Tech Head - The Technology Section
SDR radio, Software Defined Radio
ADS-B / Flightradar 24 setup
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