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

To: [email protected]
Subject: Re: LF: Europe to South America on 2200m in WSPR-15
From: Stefan Schäfer <[email protected]>
Date: Fri, 08 Feb 2013 15:49:39 +0100
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Hi Markus,

Am 07.02.2013 20:51, schrieb Markus Vester:
Stefan and Martin, this is an impressive result!
 
Just for curiosity, have you been using WSPR-X software to generate the signal, or still the SndOutpt tool?

I'm still using your slow WSPR software which uses the SndOutpt tool! This is easier for me. There are separate PC for RX and TX anyway, so i only want to generate WSPR on the TX PC.

 
Best 73,
Markus (DF6NM)
 
PS Stefan I have currently notched your signal on my grabber to preserve the effectivity of the noise blanker. I hope you don't mind!
Ooooooooooooooooooh, i'm so sad. Never thought that you will do such things with my signal. Be happy there are still LF TXers at all!!! No, just kidding ;-)

73, Stefan


 

Sent: Thursday, February 07, 2013 2:28 PM
Subject: LF: Europe to South America on 2200m in WSPR-15

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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