[Lowfer] Odd sunset captures

Michael Sapp wa3tts at verizon.net
Thu Sep 3 08:47:40 EDT 2015


RRR Gary. Yes I found the time and freq errors after sending the first 
e-mail and realized it was a set of false decodes....

73, Mike wa3tts

----- Original Message ----- 
From: "Garry Hess" <k3siw at sbcglobal.net>
To: "lowfer list" <lowfer at mailman.qth.net>
Sent: Thursday, September 03, 2015 4:07 AM
Subject: Re: [Lowfer] Odd sunset captures


> Mike, WSPR and WSPRX decoding is very good but not perfect. Surely the 
> DF7FC is a bogus decode - it was decoded by many Europeans at 2306Z rather 
> than 2304Z and at a frequency of 0.475683, not 0.475633. Also, the power 
> level is +30, not 16. As to PY0EDJ, the old logger at 
> http://www.wsprnet.org/olddb?mode=html&band=2190&limit=2006&findcall=&findreporter=&sort=date 
> shows no one reported decoding anything at 2344Z. The transmit power of 43 
> doesn't seem likely either.
>
> Right now a 3-hr MF view of the WSPR map at 
> http://www.wsprnet.org/drupal/wsprnet/map shows a decode of YZ7QWP by a 
> single station. That's obviously not real either. But given the very large 
> number of decodes that are correct the falsing rate is impressively low.
>
> -- 
> 73, Garry, K3SIW, EN52ta, Elgin, IL
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