Re: Weird WSPR decode anomaly - Probably a FEC problem with wspr decoding software

Ron Carr

The receiving software keeps a database that it uses to match complex calls and 6 character grid squares to the correct call.  And the matching algorithm is not perfect as I believe it uses a hash or similar scheme.  I could see something like this happening if you or he used a call like  K1URC/3   or a grid like FN54fk.

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