[CQ-Contest] Understanding the dynamic error free RBN algorithm

Peter Voelpel dj7ww at t-online.de
Sun Jul 21 12:57:38 EDT 2013


Very true and a contester already adressed a contest sponsor and insisted on
disqualification of his competitor (ahead of him of course), whos harmonic
was shown on a different band in RBN.

73
Peter

-----Original Message-----
From: CQ-Contest [mailto:cq-contest-bounces at contesting.com] On Behalf Of
Brett Graham


S56A4ZR said:

> Real life 0IF RX could achieve 60 dB unavoidable image rejection and 
> this is not enough in contests.  Our ham freqs are NOT channelized 
> although one knows where the image is!

The most popular version of QSD receiver has EVEN HIGHER response at
harmonics of its LO than -60 dBc



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