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Re: LF: 8269 kHz EbNaut tonight

To: [email protected]
Subject: Re: LF: 8269 kHz EbNaut tonight
From: Markus Vester <[email protected]>
Date: Tue, 26 Dec 2017 07:14:05 -0500
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed;; s=20150623; t=1514290446; bh=25JaUQ2vUhdz2tT9Pxlgki9kqxwCc1kYGzm5yta2/q4=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=nt57qThk7sQKPz12oW99RloB6fwzU7ylCPOzeLlga2N7YMFSXGzduHba6F7jJgdVu v2xEHNUlFDg1S3QQ+d5c6gFV8uP5tYpe6xNMT63SFT9BLgESevFbpb0qZ4+et6ACaf uCiLZQeMTVptGScJ0fyqy9nGNncBHMljKyGIXdh0=
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Dex,  rightly said ;-)  The two of you are doing hundreds of bits from far behind the coast, while we here have been struggling for almost a week and not gotten a single unambiguous character from Canada.

Paul you may smoke all your cigars, but better keep some of the sausages ;-)

Very fine work indeed!

All the best,
Markus (DF6NM)

--Ursprüngliche Mitteilung-----
Von: Paul Nicholson <[email protected]>
An: rsgb_lf_group <[email protected]>
Verschickt: Di, 26. Dez 2017 10:04
Betreff: Re: LF: 8269 kHz EbNaut tonight

W4DEX wrote:

> 42 chars 16K25A CRC16
> 7.5 second symbols.
> 22:15 UT to 07:59 UT

We got another low noise night!



Eb/N0 = +0.1 dB, BER 39%, constant reference phase;
S/N -21.54 dB in 1Hz, -55.52 dB in 2.5kHz;
List rank 69758;
Signal phase -14.9 deg;
Antenna azimuth 300 deg;
Decode time: 598 seconds;
Decoder memory: 75 Gbyte;
Decode PC: AWS r4.4xlarge, 122 Gbyte RAM 16 cores.

Signal calculator predicted Eb/N0 +0.15 dB - pretty close.
The S/N peaks 0.1 dB higher at azimuth 320 deg,
and 0.1 dB lower on the GC bearing.

A new record T/A message length and another of my dwindling
supply of cigars consumed.

Many thanks to Dex for the reliable repeatable good quality
signal which is essential for success with these experiments
at limit.

Paul Nicholson

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