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LF: Europe to South America on 2200m in WSPR-15

from [Stefan Schäfer] [Permanent Link][Original]
To: rsgb_lf_group@blacksheep.org, "YV7MAE Maritn A. Echazarreta D." <yv7mae@gmail.com>, Joe Taylor <joe@Princeton.EDU>
Subject: LF: Europe to South America on 2200m in WSPR-15
From: Stefan Schäfer <Stefan.Schaefer@iup.uni-heidelberg.de>
Date: Thu, 07 Feb 2013 14:28:37 +0100
Reply-to: rsgb_lf_group@blacksheep.org
Sender: owner-rsgb_lf_group@blacksheep.org
User-agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3
LF,

I'm most excited to see that my last nights WSPR-15 transmission starting 5:30 UTC was decoded by YV7MAE in Venezuela:

Timestamp Call MHz SNR Drift Grid Pwr Reporter RGrid km az
 2013-02-07 05:30   DK7FC   0.137615   -33   0   JN49ik   1   YV7MAE   FK81bd   7812   264 


That's a first digimode one-way between these continents on LF. The SNR wasn't even close to the decode limit. Actually the is room for another 6 dB :-) The losses here on the TX side were even quite high due to the bad WX.

Thanks to Martin/YV7MAE for running the RX system (http://dl.dropbox.com/u/74746618/LF/YV7MAE_LF_Grabber.html ) all the time and thanks to Joe/K1JT for develpoing this great software.

Image: https://dl.dropbox.com/u/19882028/LF/DL-YV.png

73, Stefan/DK7FC
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