To: | [email protected], [email protected] |
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Subject: | LF: WSPR-15 stations monitoring |
From: | Andy Talbot <[email protected]> |
Date: | Sat, 30 May 2015 04:49:19 +0100 |
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Reply-to: | [email protected] |
Sender: | [email protected] |
Here is a list of all the WPR-15 stations who have heard my beacon signal within the last few days. The maximum distance of 1900km is about the same as the WSPR-2 transmissions made earlier this year at the same EIRP. I'm guessing there are a several reasons here: 1) These summer months give reduced S/N / propagation and offset the theoretical 9dB gain 2) There is a gap in plentiful station locations from those around 2000km (Eastern and Northern Europe) to the next group of US ones at 5000km + 3) WSPR-15 does not have 9dB advantage on longer paths due to propagation artefacts. Perhaps fading and breaking it up. Anyway :
Andy G4JNT |
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