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Total 3 documents matching your query.

1. LF: new VLF-Activity on the next weekend (score: 1): Author: "Eike Katzera" <[email protected]>; Date: Wed, 17 Jul 2013 21:59:23 +0200 (CEST); Hello Group, we are planing some VLF-activity at 8970Hz during a Meeting of electronic hobbyists nearby Kassel / Germany (JO40vr) on this Weekend. The Plan is to run a VLF-PA between some ground elec; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-07/msg00093.html (11,084 bytes)
2. Re: LF: new VLF-Activity on the next weekend (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Wed, 17 Jul 2013 23:46:53 +0200; Hello Eike, Who is we? And what is the electrode spacing, earth rod length? And how do you stabilize your signal generator? Are there any local watching stations so you start with a few km distance?; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-07/msg00303.html (12,346 bytes)
3. Re: LF: new VLF-Activity on the next weekend (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Thu, 18 Jul 2013 14:09:42 +0200; Hello Eike, I recommend to prepare a BIG ferrite core to up-transform the voltage coming from the PA to get some more current into the earth! You will probably have an impedance of a few 100 Ohm, mos; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-07/msg00304.html (15,647 bytes)

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