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Re: LF: 136 JT9-10

To: [email protected]
Subject: Re: LF: 136 JT9-10
From: Stefan Schäfer <[email protected]>
Date: Fri, 30 Nov 2012 14:42:13 +0100
Cc: Vasily Savchenko <[email protected]>, Joe Taylor <[email protected]>
In-reply-to: <001201cdce89$dd9c6cb0$6401a8c0@JAYDELL>
References: <[email protected]> <[email protected]> <[email protected]> <[email protected]> <3BD64A7C261A4B98BA0FDA8D1B8ED955@White> <[email protected]> <BD27A68691E547F898ECB3820EAFE088@White> <[email protected]> <[email protected]> <ABA93E7B4200426484554C464F173C0E@SV8CSHP> <[email protected]> <9F1A99AA5B9843E39732D8BBA787F399@SV8CSHP> <[email protected]> <D926D8A35C784744AD1AB5527B1517A4@SV8CSHP> <[email protected]> <001201cdce89$dd9c6cb0$6401a8c0@JAYDELL>
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Hello LF,

Thanks to DF6NM, RN3AGC, F5WK, DF2JP, UA0SNV, SV8CS, W1VD, LA5VNA (and those which i forgot to mention) for the JT9-10 reports on 137.42 kHz!!

I guess that was a first TA crossing in JT9 on LF. Jay, did you have local QRN or was it a quiet night? Did you try to watch the signal in a spectrogram? How many decodes did you get in the night? Or was it the only one? 23:30 is normally the time where the band opens between us these days, so i guess there have been a number of further decodes. Looking forward to that :-)

Would be gain 10*log(30/10) = 4.77 dB SNR when going from JT9-10 to JT9-30, assuming there is no negative effect due to QSB and so on? Would someone be interested in tests in JT9-30?

I guess this evening is reserved to MF CW here but late in the night i could run some JT9-30 sequences. MF alternatively.


There have been further decodes at UA0SNV (5760 km over land):
All that I received today.

1949   0  -38   2.2 1419.65  -1   DK7FC JN49IK
2009   3  -35   1.3 1419.62   0   DK7FC JN49IK
2019   2  -36   1.7 1419.56   0   DK7FC JN49IK
2149   5  -32   2.6 1419.65   1   DK7FC JN49IK
2159   3  -34   2.6 1419.65   1   DK7FC JN49IK
73 !! Vasily.

Best 73, Stefan/DK7FC




Am 30.11.2012 00:32, schrieb [email protected]:
Bingo

2329   3  -34   0.0 1419.83   0   DK7FC JN49IK

http://www.w1vd.com/grabber.html

Jay W1VD  WD2XNS  WE2XGR/2



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