From: Paul Nicholson <vlf0403@abelian.org>
To: rsgb_lf_group@blacksheep.org
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Date: Tue, 9 Jan 2018 17:35:15 +0000
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VO1NA wrote:

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

Twelve repeats and often quite a good daytime carrier
in between.

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*
  03/04 Eb/N0  +7.8 dB, S/N -29.8 dB/1Hz, phase  176.8 *Decoded*
  04/05 Eb/N0 +11.8 dB, S/N -25.7 dB/1Hz, phase -163.3 *Decoded*
  05/06 Eb/N0  +9.0 dB, S/N -28.6 dB/1Hz, phase -166.4 *Decoded*
  06/07 Eb/N0 +15.7 dB, S/N -21.9 dB/1Hz, phase  166.9 *Decoded*
  07/08 Eb/N0  +7.6 dB, H-field only,     phase -179.0 *Decoded*
  08/09 Eb/N0 +13.5 dB, S/N -24.0 dB/1Hz, phase -154.8 *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;
  03/04 Eb/N0 +3.7 dB, S/N -33.8 dB/1Hz, phase  25.2 *Decoded*
  04/05 Eb/N0 +1.4 dB, S/N -36.2 dB/1Hz, phase  28.9 *Decoded*
  05/06 Eb/N0 -7.3 dB, S/N -44.8 dB/1Hz, phase  26.8;
  06/07 Eb/N0 +4.8 dB, S/N -32.8 dB/1Hz, phase  16.1 *Decoded*
  07/08 Eb/N0 +3.8 dB, S/N -33.8 dB/1Hz, phase   3.2 *Decoded*
  08/09 Eb/N0 +2.3 dB, S/N -35.3 dB/1Hz, phase  54.4 *Decoded*

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 -41.1 dB/1Hz, phase -154.9;
  03/04 Eb/N0 +0.6 dB, S/N -37.0 dB/1Hz, phase  177.5 *Decoded*
  04/05 Eb/N0 -1.7 dB, S/N -39.3 dB/1Hz, phase -175.3;
  05/06 Eb/N0 -7.4 dB, S/N -45.0 dB/1Hz, phase  100.2;
  06/07 Eb/N0 +0.2 dB, S/N -37.4 dB/1Hz, phase -160.3;
  07/08 Eb/N0 -8.9 dB, S/N -46.5 dB/1Hz, phase  148.2;
  08/09 No data from rx site, uplink off;

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;
  03/04 No data from rx site, ADSL fault;
  04/05 Eb/N0 -13.2 dB, S/N -50.8 dB/1Hz;
  05/06 Eb/N0  -4.6 dB, S/N -42.1 dB/1Hz;
  06/07 Eb/N0  +2.0 dB, S/N -35.6 dB/1Hz, phase -32.0 *Decoded*
  07/08 Eb/N0  -7.5 dB, S/N -45.1 dB/1Hz, phase -49.0;
  08/09 Eb/N0  -2.4 dB, S/N -40.0 dB/1Hz, phase -36.5;

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;
  03/04 Eb/N0  -9.9 dB, S/N -47.5 dB/1Hz, phase  -38.2;
  04/05 Eb/N0  -6.4 dB, S/N -44.0 dB/1Hz, phase  -64.9;
  05/06 Eb/N0  -3.6 dB, S/N -41.2 dB/1Hz, phase  -98.8;
  06/07 Eb/N0  -0.5 dB, S/N -38.1 dB/1Hz, phase -123.1 *Decoded*
  07/08 Eb/N0  -4.8 dB, S/N -42.3 dB/1Hz, phase -100.4;
  08/09 Eb/N0 -39.5 dB, S/N -77.1 dB/1Hz;

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;
  03/04 Eb/N0  -4.1 dB, S/N -41.7 dB/1Hz, phase -139.6;
  04/05 Eb/N0  -9.4 dB, S/N -47.0 dB/1Hz, phase -105.8;
  05/06 Eb/N0  +0.1 dB, S/N -37.5 dB/1Hz, phase  -78.2;
  06/07 Eb/N0  +0.4 dB, S/N -37.2 dB/1Hz, phase -149.9;
  07/08 Eb/N0  -3.7 dB, S/N -41.2 dB/1Hz, phase -174.8;
  08/09 Eb/N0  -7.2 dB, S/N -44.7 dB/1Hz, phase  -76.9;

  All stacked (no phase correction): Eb/N0 +3.1 dB *Decoded*

  05/06 decodes but is beaten by a strong false decode.

--
Paul Nicholson
--