To: | [email protected] |
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Subject: | Re: LF: K3RWR LF EbNaut |
From: | Paul Nicholson <[email protected]> |
Date: | Sun, 25 Mar 2018 05:34:09 +0000 |
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Markus wrote: > got several valid decodes here in Nuremberg, Well done Rob and Markus. Looks like some dB spare too. A new distance record for EbNaut at LF, I make it 6736km! Constant reference phase on a 30 minute transmission, that's encouraging: longer duration possible, longer symbols. We don't yet know how long the phase can be expected to remain stable at LF. Everyone uses short (less than 30 min) messages to remain within a convenient SL FFT window. Markus, I'm puzzled by the frequency: Rob is on 137395 but your screen shot shows the WAV header said 135499.9825 plus offset 0.0175 = 135500 Hz. -- Paul Nicholson -- |
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