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Total 23 documents matching your query.

21. RE: Topband: PSK-31 (score: 1): Author: "Joe Subich, K4IK" <k4ik@subich.com>; Date: Thu, 29 Apr 2004 10:02:43 -0400; You're correct but so what? That's the audio (subcarrier) drive, not RF power. Your own measurements showed that your sound card required operating at -6 dB before the harmonic and spurious content; /archives//html/Topband/2004-04/msg00259.html (11,057 bytes)
22. RE: Topband: PSK-31 (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Thu, 29 Apr 2004 10:36:08 -0500; Acceptable by what standard? -60 dB re: fundamental is 0.1% distortion. -45 dB (which I measured only 3 dB below max out) is 0.3%. In the communications world, those are very low numbers. If I can ea; /archives//html/Topband/2004-04/msg00260.html (13,981 bytes)
23. Re: Topband: PSK-31 (score: 1): Author: Bill Turner <wrt@dslextreme.com>; Date: Thu, 29 Apr 2004 09:34:09 -0700; _________________________________________________________ I can shed some light on that. In one of the biggest blunders in recent memory, when MFSK16 was introduced its author recommended using a fre; /archives//html/Topband/2004-04/msg00261.html (9,639 bytes)

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