To: | [email protected] |
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Subject: | Re: LF: More EbNaut 137.777 |
From: | Paul Nicholson <[email protected]> |
Date: | Sun, 29 Nov 2015 13:46:58 +0000 |
In-reply-to: | <CAA8k23Rrxfi8PRg4hy7XPh0X2wA39oqsy91=YR-MepHqCzAV7w@mail.gmail.com> |
References: | <[email protected]> <CAA8k23Rrxfi8PRg4hy7XPh0X2wA39oqsy91=YR-MepHqCzAV7w@mail.gmail.com> |
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VO1NA 2015-11-28/29 EbNaut 8K19A 2S 8C. No T sweep, assuming good clock. 21:30 2.1 dB 22:00 no decode 22:30 no decode 23:00 no decode 23:30 no decode 00:00 8.6 dB 00:30 2.1 dB 01:00 3.2 dB 01:30 -0.2 dB 02:00 no decode 02:30 no decode 03:00 5.6 dB 03:30 no decode 04:00 no decode 04:30 no decode 05:00 8.6 dB 05:30 no decode 06:00 rx off for battery charge I took the 00:00 message and ran a cross-correlation with a locally generated copy of the message http://abelian.org/vlf/tmp/151129a.gif The correlation peaks at a delay of 27.5 mS. Later I'll do the same with the messages that didn't decode, perhaps to determine if there was a fault, or the signal was just too weak. -- Paul Nicholson -- |
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