To: | [email protected] |
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Subject: | Re: LF: 82 Hz signal |
From: | Jacek Lipkowski <[email protected]> |
Date: | Mon, 29 May 2017 11:51:07 +0200 (CEST) |
In-reply-to: | <[email protected]> |
References: | <[email protected]> <[email protected]> <[email protected]> <[email protected]> |
Reply-to: | [email protected] |
Sender: | [email protected] |
User-agent: | Alpine 2.11 (DEB 23 2013-08-11) |
On Mon, 29 May 2017, Paul Nicholson wrote: I don't see these 90Hz and 92Hz signals here this morning, 06:00 to 08:30 UT. Nothing in the range 87.5 to 92.5 Hz. then most probably it's intermodulation or it could also be a local signal (although most local interference signals aren't that stable). Zevs is strong here, this is yesterday http://abelian.org/vlf/tmp/170529a.png what do you use for making these long spectrograms? vtsidgram? jacek |
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