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Re: LF: Op-8, WSPR-15, JT9-10, SV3DVO?

To: <[email protected]>
Subject: Re: LF: Op-8, WSPR-15, JT9-10, SV3DVO?
From: "Markus Vester" <[email protected]>
Date: Tue, 17 Sep 2013 22:43:48 +0200
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Op-8:
 
2013-09-17 20:34:16 SM6BHZ  1562km 137649.940Hz   8mHz -29.0dBOp  62% 20.3dB
2013-09-17 20:09:18 SM6BHZ  1562km 137650.106Hz   8mHz -25.3dBOp  99% 22.5dB
2013-09-17 19:51:29 SM6BHZ  1562km 137648.941Hz   8mHz -24.8dBOp  96% 22.5dB
2013-09-17 19:50:06 RX3QFM  1989km 137627.217Hz 462mHz -36.9dBOp  89% 17.9dB
2013-09-17 19:26:37 SM6BHZ  1562km 137648.939Hz   6mHz -25.0dBOp 100% 21.9dB
2013-09-17 19:05:50 SM6BHZ  1562km 137648.937Hz  34mHz -22.6dBOp  17% 16.2dB
WSPR-15:
 
1930 -27 4.5 0.137610 0 DK7FC JN49 30
1945 -24 3.2 0.137604 0 DF2JP JO31 27
2000 -25 5.2 0.137610 0 DK7FC JN49 30
 
- SNR for DK7FC is not valid as I have temporarily placed a -34 dB notch on his QRG to avoid saturation and noise blanker desense. 
 
JT9-10:
 
1920 2 -35 0.9 1632.97 0 R7NT KN97 ESL
1940 5 -34 1.3 1632.95 1 R7NT KN97 ESL
2000 10 -30 1.3 1632.95 0 R7NT KN97 ESL
 
- There are some unidentified traces near 137.633 kHz which might perhaps be SV3DVO in JT9-10. This frequency seems about 500 Hz too high: Normally JT9 should be sent around 137.13 kHz, ie. 136.0 kHz "dial" plus around 1130 Hz audio. The higher audio range shown in my JT9 reports is peculiar to my 135.5 kHz receiver, R7NT is actually on 137.13295 kHz.
 
Best 73,
Markus (DF6NM)

Sent: Tuesday, September 17, 2013 1:02 AM
Subject: LF: Op-8, WSPR-15, JT9-10

Op-8:
 
     date      time          call      distance    frequency  bandwidth    snr         correlation
2013-09-16 22:53:30 SM6BHZ  1562km 137648.921Hz   8mHz -30.6dBOp  86% 21.5dB
2013-09-16 22:39:21 SM6BHZ  1562km 137648.921Hz   6mHz -23.1dBOp  84% 21.2dB
2013-09-16 22:27:55 SM6BHZ  1562km 137648.918Hz   6mHz -26.5dBOp  91% 21.4dB
2013-09-16 22:02:58 SM6BHZ  1562km 137648.914Hz   6mHz -26.0dBOp 100% 21.8dB
2013-09-16 21:34:10 SM6BHZ  1562km 137635.810Hz 744mHz -99.9dBOp  70% 19.7dB
2013-09-16 21:09:12 SM6BHZ  1562km 137635.634Hz 624mHz -38.5dBOp  82% 20.5dB
2013-09-16 20:44:15 SM6BHZ  1562km 137635.543Hz 589mHz -37.5dBOp  95% 20.8dB
2013-09-16 20:19:17 SM6BHZ  1562km 137635.608Hz 683mHz -37.8dBOp  99% 20.8dB
2013-09-16 19:54:20 SM6BHZ  1562km 137635.642Hz 536mHz -38.9dBOp  72% 20.2dB
 
- Gus, it looks like your signal is stronger and much narrower since you switched to 137648.9 Hz - new coherent synthesizer?
WSPR-15:
 
 UTC dB DT   Freq    DF  Call   Grid dBm 
2000 -23 0.1 0.137606 0 DF2JP JO31 23
2100 -22 0.1 0.137604 0 DF2JP JO31 23
2130 -25 0.4 0.137604 0 DF2JP JO31 23
 
JT9-10: ("dial" 135.5 kHz)
 
 UTC sy dB DT  Freq  Drift Message
1940 7 -33 1.3 1632.96 0 R7NT KN97 WSL
2000 7 -32 0.4 1632.98 0 R7NT KN97 WSL
2020 8 -33 0.9 1632.98 0 R7NT KN97 WSL
2040 4 -34 0.4 1632.96 0 R7NT KN97 WSL
2100 2 -34 1.7 1632.97 0 R7NT KN97 WSL
2120 2 -34 1.3 1632.95 0 R7NT KN97 WSL
2140 4 -35 1.7 1632.95 0 R7NT KN97 WSL
2200 3 -34 0.9 1633.00 0 R7NT KN97 WSL
2220 2 -35 0.4 1632.97 0 R7NT KN97 WSL

 

Best 73,

Markus (DF6NM)

 

Attachment: wsprx_spectrogram_130917_2017.png
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