To: | [email protected] |
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Subject: | Re: VLF: today on the 46km band... |
From: | Paul Nicholson <[email protected]> |
Date: | Mon, 8 May 2017 05:21:00 +0000 |
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Stefan wrote: > f = 6470.100000 Hz > Start time: 07.May.2017 05:10:00 UTC > Symbol period: 15 s > Characters: 75 > CRC bits: 2 > Coding: 8K19A > Duration: 15h, 40m, 0s A nice decode of 75 chars here, constant reference phase carrier phase: -137.8 carrier Eb/N0: -2.9 dB carrier Es/N0: -12.35 dB carrier S/N: 23.41 dB in 17.7 uHz, -24.11 dB in 1Hz, -58.09 dB in 2.5kHz BER was 30.2% which corresponds to Eb/N0 = +0.8 dB. The low carrier Eb/N0 measurement suggests some other signal is within the 20Hz passband that I fed into the decoder. -- Paul Nicholson -- |
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