Return-Path: Received: from mtain-me11.r1000.mx.aol.com (mtain-me11.r1000.mx.aol.com [172.29.96.147]) by air-df03.mail.aol.com (v127_r1.1) with ESMTP id MAILINDF033-5eec4ba362dcba; Fri, 19 Mar 2010 07:41:16 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-me11.r1000.mx.aol.com (Internet Inbound) with ESMTP id E92D0380000DC; Fri, 19 Mar 2010 07:41:14 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NsaYo-0005nP-Sr for rs_out_1@blacksheep.org; Fri, 19 Mar 2010 11:40:14 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NsaYo-0005nG-Hf for rsgb_lf_group@blacksheep.org; Fri, 19 Mar 2010 11:40:14 +0000 Received: from parrot.netcom.co.uk ([217.72.171.49]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NsaYm-0003ew-40 for rsgb_lf_group@blacksheep.org; Fri, 19 Mar 2010 11:40:14 +0000 Received: from abelian.netcom.co.uk (i-194-106-52-83.freedom2surf.net [194.106.52.83]) by parrot.netcom.co.uk (Postfix) with ESMTP id A0C733278B6 for ; Fri, 19 Mar 2010 11:37:28 +0000 (GMT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by abelian.netcom.co.uk (8.13.1/8.13.1) with ESMTP id o2JBe57V004394 for ; Fri, 19 Mar 2010 11:40:06 GMT Message-ID: <4BA36295.4020103@abelian.org> Date: Fri, 19 Mar 2010 11:40:05 +0000 From: Paul Nicholson User-Agent: Thunderbird 2.0.0.14 (X11/20080421) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4BA0A501.5050506@abelian.org> <38A51B74B884D74083D7950AD0DD85E82A1B66@File-Server-HST.hst.e-technik.tu-darmstadt.de> <4BA3187E.9010801@abelian.org> <38A51B74B884D74083D7950AD0DD85E82A1B76@File-Server-HST.hst.e-technik.tu-darmstadt.de> In-Reply-To: <38A51B74B884D74083D7950AD0DD85E82A1B76@File-Server-HST.hst.e-technik.tu-darmstadt.de> X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: AW: VLF: TA, 300m and new PA? Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS autolearn=no version=2.63 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-aol-global-disposition: G x-aol-sid: 3039ac1d60934ba362da15ab X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Stefan schrieb: > Will not be easy but we could start just with a > simple carrier Pure carrier doesn't have to be continuous, eg separate 10min transmissions. Non-coherent averaging can use disjoint periods so long as you note the UT start/finish of each. > next time i think it is a good idea to transmit a "K" > in DFCW-600. Yes, no need to waste time with inter-symbol gaps. I think with that you will establish some firm records. A message to Henny is a good prospect. I found global average lightning data on the web, 2.5 deg gridded data - perfect! ftp://ghrc.nsstc.nasa.gov/pub/data/lis/climatology/LRDC/lolrdc_dataset.html It is tempting to try to reproduce the diurnal noise pattern from this. Could be a neat way to test simple propagation formula at long range. -- Paul Nicholson --