Return-Path: X-Spam-DCC: paranoid 1102; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, RATWARE_GECKO_BUILD autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id t7FHY0RZ015556 for ; Sat, 15 Aug 2015 19:34:00 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ZQfFp-00069K-Ek for rs_out_1@blacksheep.org; Sat, 15 Aug 2015 18:28:25 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ZQfFp-00069B-4a for rsgb_lf_group@blacksheep.org; Sat, 15 Aug 2015 18:28:25 +0100 Received: from mout.kundenserver.de ([212.227.17.10]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.86) (envelope-from ) id 1ZQfEo-0007RE-E7 for rsgb_lf_group@blacksheep.org; Sat, 15 Aug 2015 18:28:24 +0100 Received: from [192.168.2.100] ([217.82.30.56]) by mrelayeu.kundenserver.de (mreue103) with ESMTPSA (Nemesis) id 0MSpj3-1ZGNo71le1-00Rm0h for ; Sat, 15 Aug 2015 19:27:06 +0200 Message-ID: <55CF7668.2080508@df3lp.de> Date: Sat, 15 Aug 2015 19:27:04 +0200 From: pws User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Icedove/31.7.0 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <3EEE0BD431264721BAD95B0598D0A459@White> In-Reply-To: <3EEE0BD431264721BAD95B0598D0A459@White> X-Provags-ID: V03:K0:z/uMcdVnaTrGyGXd5ghGQ2E9bQcDHV+gxFBfv7UoKoGLIKzd1Gb AbF+d0vgY6Zq3CT04NyxyGKMmHsVSxA31/Qy3aKGiz9yIB12Xf6GT7N/fspMi6mALbDxG9B k4lQ1aCZNYln2C2WNVBsLv5x/qYm/K4tSg44m4RAz2zewvy5SfBRqz3kjmk4Knuuw/i26oP CATMl1KpxQdll1WkAtE7w== X-UI-Out-Filterresults: notjunk:1;V01:K0:M6adRiqmHWg=:2JBseblSgZyXyqehfdzamh mIOQO/BNAmOAyzaJKoldcR3oIc5/ztZ/B2tRXLZQVVV7MB8OA+yMpPmHS0INQyYcxgzMX6Wl8 xzSyN6mb8bYgN2GmNbhD7I1nyfuA5fiQuldkHx0KV1DGeDUYL2yBLXMfF0kdIz1Z7OMwYXrIh UskjLLKIJCiwG7yEhjXcXu7aIP17qu6jgZL9/3rsjHXgsEfJ93/+RIJa45+bGJP7/euzNti/X 7bAoZHAnm00t1duwzri6OO4oLlWXikt5JgWEU/0kI2KmAd3qEVMtPnRaS3o9XmzZLuIvlHU7N drpPPFAgOUOziyFCrFJBv/XfPMmqweHND8QgNlBi2zUz4sZP1YyTXBvBHiAXIpJFqz2I45uhO /iqPIuUsLxDv+5AYsiTUtXPPB5gffId76iKFv4NLMUJJGKJXYEMOTQAJ0nU0R4Q49rA1smKgS fk8XkXgxfG2ksfo8L+Ln46tfQ5CkEdSGyjRuWDBuiuO/uGniTs0zK/RyjvqYIx6MMaHzGjxS0 LXLAim3ZU8eCxOueaCTf69x3bflo/noIWcykeD3uVil9Z2rcISbmXKYt4NKvbC4SPQBUkq1FV F1p6Ew+h2aEtXP1niGs5S828cGII3hy2tgtN/EUfXhIRSoZ3xymmSVmhEl7K0Cu1omfXOS35K Jp+qAsvTDiJGk4402RZmniyX6QBqMCjaa5QogH9dcc92cIcJFo6kM9vQ+D4kqCGalSuDzyMo/ D/ot/JKKrFxtocyS X-Scan-Signature: bb61bee384896e075004ae5ec954ddd2 Subject: Re: VLF: Tweek mode resonances Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 3879 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