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August 17th 12, 05:03 PM
posted to rec.radio.amateur.antenna
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DSP software for using sound card audio strength to compare antennas?
On Fri, 17 Aug 2012 12:56:55 +0000 (UTC), David
wrote: http://w5big.com/spectrogram.htm Free, made for ham radio, and possibly better: http://www.qsl.net/dl4yhf/spectra1.html http://www.weaksignals.com When using detected audio to compare antennas, make sure you're comparing signals, not comparing noise levels. Picking up more atmospheric noise is not the mark of a better antenna. -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
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