Re: LF: VLF NA Ebnaut

[Paul Nicholson <vlf0403@abelian.org>]

VO1NA wrote:

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

Measurements after two repeats of the new letter:

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*

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*

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;

 Stacked Eb/N0 +1.2dB *Decoded*

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

 28/29 Eb/N0  -5.6 dB, S/N -43.2 dB/1Hz, phase 5.7;
 28/29 Eb/N0 -10.4 dB, S/N -48.0 dB/1Hz;

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;

 On this occasion, the phase repeats very well.

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;

--
Paul Nicholson
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