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| To: | [email protected] |
|---|---|
| Subject: | Re: VLF: Tweek mode resonances |
| From: | pws <[email protected]> |
| Date: | Sat, 15 Aug 2015 19:27:04 +0200 |
| In-reply-to: | <3EEE0BD431264721BAD95B0598D0A459@White> |
| References: | <3EEE0BD431264721BAD95B0598D0A459@White> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Icedove/31.7.0 |
Genosse Markus, On 18.07.2015 06:50, Markus Vester wrote: ... a number of narrow tweek-mode resonances at multiples of 1.72 kHz. These are obviously spherics from nearby lightnings, bouncing multiple times vertically between the ionosphere and ground ... Found a comparable effect yesterday evening, and only on my H-field receivers. Unfortunately there are no data below 10 kHz on the server. Have to check raw data files from the DF-rx. H-Field: http://lf-radio.de/cgi-bin/fh/show_wf.cgi?date=15-08-14 Chart from Blitzortung: http://lf-radio.org/cgi-bin/blitz/show-blitz.cgi?loc=2015&date=08-14&time=2300 Thanks for pointing me to that phenomenon... Peter, df3lp Sent from my BlitzPhone(TM) at Bülk Lighthouse, DM3O/p, DE0135 |
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