Hi Paul, VLF'ers
Thank-you for the encouraging reports. The ERP has been restored to
about 0.25 amps after some fiddling in the shed and shack. The
EbNaut transmissions at 09 and 21 ut continue.
73
Joe VO1NA
On Tue, 23 Jan 2018, Paul Nicholson wrote:
VO1NA wrote:
28 Dec. 2100 utc, 16K21A, CRC-8, one character,
544 symbols, 1 minute each,
8270.0075 Hz.
Some good overnight signals recently.
Impressive signal early in the morning. The short carrier in
between two EbNaut messages:
http://78.46.38.217/fbins3.html#p=1516708800&b=290&s=sp&m=cardioid&w=r&h=62&z1=0.35&z2=0.65&c=1&mb=90,58,124,240,1
Amazing for 10uW transatlantic.
Recent overnight results:
Todmorden (3575 km)
-------------------
Average 28/29th to 16/17th: Eb/N0 +7.6 dB, S/N -30.0 dB/1Hz,
17 out of 20 decoded.
17/18 Eb/N0 +8.2 dB, S/N -29.4 dB/1Hz, phase 179.3 *Decoded*
18/19 Eb/N0 +9.3 dB, S/N -28.3 dB/1Hz, phase 159.3 *Decoded*
19/20 Eb/N0 +13.0 dB, S/N -24.6 dB/1Hz, phase 172.1 *Decoded*
20/21 Eb/N0 +16.7 dB, S/N -20.9 dB/1Hz, phase 174.2 *Decoded*
21/22 Eb/N0 +5.8 dB, S/N -31.8 dB/1Hz, phase 179.0 *Decoded*
22/23 Eb/N0 +8.3 dB, S/N -29.3 dB/1Hz, phase 167.4 *Decoded*
Bielefeld (4301.5 km DL4YHF)
----------------------------
Average 28/29th to 16/17th: Eb/N0 -1.6 dB, S/N -37.7 dB/1Hz,
11 out of 20 decoded.
17/18 Eb/N0 +3.1 dB, S/N -34.5 dB/1Hz, phase +23.6 *Decoded*
18/19 Eb/N0 +3.1 dB, S/N -34.4 dB/1Hz, phase -26.9 *Decoded*
19/20 Eb/N0 -3.2 dB, S/N -40.7 dB/1Hz, phase +56.2;
20/21 Eb/N0 +1.7 dB, S/N -35.9 dB/1Hz, phase +39.4 *Decoded*
21/22 Eb/N0 -0.4 dB, S/N -38.0 dB/1Hz, phase -3.4;
22/23 Eb/N0 -4.3 dB, S/N -41.8 dB/1Hz, phase 62.7;
Warsaw (5096.6 km SQ5BPF)
-------------------------
Average 28/29th to 16/17th: Eb/N0 -4.0 dB, S/N -41.5 dB/1Hz,
1 out of 17 decoded.
17/18 Eb/N0 -4.4 dB, S/N -42.0 dB/1Hz, phase 174.9;
18/19 Eb/N0 +2.5 dB, S/N -35.1 dB/1Hz, phase 159.3;
19/20 Eb/N0 -13.2 dB, S/N -50.8 dB/1Hz;
20/21 Eb/N0 -17.5 dB, S/N -55.1 dB/1Hz;
21/22 Eb/N0 -8.5 dB, S/N -46.1 dB/1Hz, phase 88.6;
22/23 Eb/N0 -2.1 dB, S/N -39.7 dB/1Hz, phase -155.9;
18/19 not decoded - beaten by a false decode at +9.7 dB!
Cumiana (4533.4 km IK1QFK)
--------------------------
Average 28/29th to 16/17th: Eb/N0 -4.2 dB, S/N -41.8 dB/1Hz,
4 out of 17 decoded.
17/18 Eb/N0 -1.2 dB, S/N -38.3 dB/1Hz, phase 27.2;
18/19 Eb/N0 +1.0 dB, S/N -36.6 dB/1Hz, phase -26.9 *Decoded*
19/20 Eb/N0 -4.8 dB, S/N -42.4 dB/1Hz, phase -76.5;
20/21 Eb/N0 +4.2 dB, S/N -33.4 dB/1Hz, phase -4.8 *Decoded*
21/22 Eb/N0 -3.7 dB, S/N -41.3 dB/1Hz, phase -57.0;
22/23 Eb/N0 -3.0 dB, S/N -40.6 dB/1Hz, phase -11.7;
Forest, VA (2415.3 km KE4RJQ)
-----------------------------
Average 28/29th to 16/17th: Eb/N0 -6.8 dB, S/N -44.4 dB/1Hz,
3 out of 20 decoded.
17/18 Eb/N0 -4.1 dB, S/N -41.7 dB/1Hz, phase -64.4;
18/19 Eb/N0 -3.4 dB, S/N -41.0 dB/1Hz, phase -78.5;
19/20 Eb/N0 -3.2 dB, S/N -40.8 dB/1Hz, phase -69.7;
20/21 Eb/N0 -16.7 dB, S/N -54.3 dB/1Hz;
21/22 Eb/N0 -6.6 dB, S/N -44.2 dB/1Hz, phase -20.5;
22/23 Eb/N0 -3.3 dB, S/N -40.9 dB/1Hz, phase -65.0;
Hawley, TX (4240.3 km)
----------------------
Average 28/29th to 16/17th: Eb/N0 -6.5 dB, S/N -44.1 dB/1Hz,
1 out of 20 decoded.
17/18 Eb/N0 +2.4 dB, S/N -35.2 dB/1Hz, phase 135.8 *Decoded*
18/19 Eb/N0 -17.0 dB, S/N -54.6 dB/1Hz;
19/20 Eb/N0 -10.3 dB, S/N -47.9 dB/1Hz, phase 99/6;
20/21 Eb/N0 -2.4 dB, S/N -40.0 dB/1Hz, phase -175.7;
21/22 Eb/N0 -9.8 dB, S/N -47.4 dB/1Hz, phase -8.4;
22/23 Eb/N0 -7.7 dB, S/N -45.3 dB/1Hz, phase 133.4;
--
Paul Nicholson
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