Bogus spots - deliberate, or data integrity?

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K4DET
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Joined: 2008/04/23 - 13:47
Bogus spots - deliberate, or data integrity?

Fellow WSPRers,

Looking in the spot database, I see an awful lot of suspicious spots. Impossibly low power levels of -64 dBm (0.4 nW !!!) and callsigns that don't look natural (458POF, 000AA, 344KHZ, 892, etc).

Do you think it's a deliberate attempt to pollute the database, or just transmission errors that have slipped thru the long-constraint convolutional code FEC?

Thanks,
K4DET