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| To: | [email protected], [email protected], sub9khz <[email protected]> |
|---|---|
| Subject: | LF: 6470.1 Hz 16-char decode nr Moscow |
| From: | Alex K <[email protected]> |
| Date: | Wed, 18 Oct 2017 19:25:20 +0300 |
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Hello VLF! 73 de rn3aus/AlexI am glad to report that the 16-char message of Stefan on 6470.1 is successfully decoded nr Moscow. The stacking of 11 copies of transmission with accurate weight summation was required. Stefan the first has achieved successful decode from my files. Then with his councils it was succeeded to make it also to me. My big congratulations to Stefan! Excellent work and is a little good luck :-). Also huge gratitude to Markus for the excellent utility add.exe and of course to Paul for magnificent ebnaut! PS all files are here http://rn3aus.narod.ru/ebnaut-16ch-all-files-decoded.zip ebnaut-rx V0.7a input file C:\EbNaut\16char\sum-all-w.wav sample rate 0.342935 per second rx frequency 6470.1 file start time 2017-10-15 15:43:32.290 polynomial 16K21A crc size 19 number of chars 16 block size 115 symbol period 20.000 number of symbols 2160 list length 868865 start offset 998.574 freq offset 0.000000 cores 1 skipped 997.273536 seconds to start initial reference phase -37.2 --------------------------------------------- found YELLOW SUBMARINE list rank 746119 reference phase 180 180 180 180 carrier S/N 19.25 dB in 23.1 uHz, -27.11 dB in 1Hz, -61.09 dB in 2.5kHz carrier Es/N0 -14.10 dB carrier Eb/N0 -0.35 dB info bit period 473.68 seconds symbol error rate 852/2160 = 39.444 % Es/N0 from symbol errors -14.4 dB Eb/N0 from symbol errors -0.7 dB Shannon capacity 9.9 bits/hour Shannon efficiency 76.7 % symbols file C:\EbNaut\16char\sum-all-w-symbols.csv elapsed 126 seconds 1
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