From: Paul Nicholson <vlf0403@abelian.org>
To: rsgb_lf_group@blacksheep.org
References: <160a7a62949-171d-2f322@webjas-vae049.srv.aolmail.net>
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 <Pine.LNX.4.64.1712301332010.23297@plato.ucs.mun.ca>
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Message-ID: <46eb1e45-4d9e-7e7f-1918-6bab5f1ac1c4@abelian.org>
Date: Wed, 3 Jan 2018 09:58:54 +0000
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Subject: Re: LF: VLF NA Ebnaut
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VO1NA wrote:

 > 28 Dec. 2100 utc, 16K21A, CRC-8, one character,
 > 544 symbols, 1 minute each,
 > 8270.0075 Hz.

Now six repeats of the message.

Todmorden (3575 km)
-------------------

  28/29 Eb/N0 +11.4 dB, S/N -26.2 dB/1Hz, phase -175.0 *Decoded*
  29/30 Eb/N0 +13.7 dB, S/N -23.9 dB/1Hz, phase -168.4 *Decoded*
  30/31 Eb/N0 +13.4 dB, S/N -24.2 dB/1Hz, phase -175.7 *Decoded*
  31/01 Eb/N0  +8.5 dB, S/N -29.1 dB/1Hz, phase  173.9 *Decoded*
  01/02 Eb/N0 +10.2 dB, S/N -27.4 dB/1Hz, phase -173.7 *Decoded*
  02/03 Eb/N0  +9.7 dB, S/N -27.9 dB/1Hz, phase -162.7 *Decoded*

Bielefeld (4301.5 km DL4YHF)
----------------------------

  28/29 Eb/N0 -3.8 dB, S/N -41.4 dB/1Hz, phase  24.0;
  29/30 Eb/N0 +2.1 dB, S/N -35.4 dB/1Hz, phase  16.8 *Decoded*
  30/31 Eb/N0 -0.5 dB, S/N -38.1 dB/1Hz, phase  61.5 *Decoded*
  31/01 Eb/N0 +4.5 dB, S/N -33.1 dB/1Hz, phase  14.1 *Decoded*
  01/02 Eb/N0 +3.6 dB, S/N -34.0 dB/1Hz, phase  17.1 *Decoded*
  02/03 Eb/N0 -3.1 dB, S/N -40.7 dB/1Hz, phase -10.5;

Warsaw (5096.6 km SQ5BPF)
-------------------------

  28/29 Eb/N0 -2.2 dB, S/N -39.7 dB/1Hz, phase -163.5;
  29/30 Eb/N0 -1.2 dB, S/N -38.8 dB/1Hz, phase  175.9;
  30/31 Eb/N0 -7.1 dB, S/N -44.6 dB/1Hz, phase -173.7;
  31/01 Eb/N0 -5.6 dB, S/N -43.1 dB/1Hz, phase  137.4;
  01/02 Eb/N0 -3.2 dB, S/N -40.8 dB/1Hz, phase  158.1;
  02/03 Eb/N0 -3.5 dB, S/N -35.6 dB/1Hz, phase -161.5;

  All stacked Eb/N0 +3.5dB *Decoded*

Cumiana (4533.4 km IK1QFK)
--------------------------

  28/29 Eb/N0  -5.6 dB, S/N -43.2 dB/1Hz, phase   5.7;
  29/30 Eb/N0 -10.4 dB, S/N -48.0 dB/1Hz;
  30/31 Eb/N0  +0.4 dB, S/N -37.2 dB/1Hz, phase -57.3;
  31/01 Eb/N0  +0.2 dB, S/N -37.4 dB/1Hz, phase   4.0 *Decoded*
  01/02 No data from rx site, ADSL fault;
  02/03 No data from rx site, ADSL fault;

Forest, VA (2415.3 km KE4RJQ)
-----------------------------

  28/29 Eb/N0 +3.7 dB, S/N -33.9 dB/1Hz, phase  -33.0 *Decoded*
  29/30 Eb/N0 -5.0 dB, S/N -42.6 dB/1Hz, phase  -35.3;
  30/31 Eb/N0 -5.1 dB, S/N -42.7 dB/1Hz, phase  -57.4;
  31/01 Eb/N0 -3.9 dB, S/N -41.5 dB/1Hz, phase -113.1;
  01/02 Eb/N0 -2.2 dB, S/N -39.8 dB/1Hz, phase  -99.0;
  02/03 Eb/N0 -7.2 dB, S/N -44.8 dB/1Hz, phase  -59.0;

  Last five stacked: Eb/N0 +1.2 dB *Decoded*

Hawley, TX (4240.3 km)
----------------------

  28/29 Eb/N0  -7.5 dB, S/N -45.1 dB/1Hz, phase -160.5;
  29/30 Eb/N0  -6.2 dB, S/N -43.8 dB/1Hz, phase -105.8;
  30/31 Eb/N0  -5.0 dB, S/N -42.6 dB/1Hz, phase  152.1;
  31/01 Eb/N0  -3.9 dB, S/N -41.5 dB/1Hz, phase -173.1;
  01/02 Eb/N0 -11.3 dB, S/N -48.9 dB/1Hz;
  02/03 Eb/N0  -5.8 dB, S/N -43.4 dB/1Hz, phase -108.9;

  Stacked: Eb/N0 -2.5 dB and no phase correction allowed.

--
Paul Nicholson
--