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| Subject: | Re: LF: Strong signal 29501 tonight |
| From: | Paul Nicholson <[email protected]> |
| Date: | Fri, 14 Mar 2014 11:51:50 +0000 |
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Signal reports: WH2XBA/1 on 29499 http://abelian.org/vlf/tmp/29499_140314a.gif http://abelian.org/vlf/tmp/29499_140314b.gif Average S/N in 278 uHz: 14.4dB; Significance after 6 hours: 17.5 sigma; WHX2XBA/4 on 29501 http://abelian.org/vlf/tmp/29501_140314a.gif http://abelian.org/vlf/tmp/29501_140314b.gif Average S/N in 278 uHz: 13.8dB; Significance after 6 hours: 17.1 sigma; Comparison of phase change: http://abelian.org/vlf/tmp/140314a.gif These signals have a message carrying capability of around 180 bits in 6 hours at one code symbol per minute. Unfortunately, none of the data modes used by radio amateurs could come anywhere close to that theoretical limit at VLF. -- Paul Nicholson -- |
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