[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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