Return-Path: Received: from rly-de07.mx.aol.com (rly-de07.mail.aol.com [172.19.170.143]) by air-de08.mail.aol.com (v125.7) with ESMTP id MAILINDE081-4ee4af1b772240; Wed, 04 Nov 2009 12:19:03 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-de07.mx.aol.com (v125.7) with ESMTP id MAILRELAYINDE077-4ee4af1b772240; Wed, 04 Nov 2009 12:18:44 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1N5jUE-0006jv-R0 for rs_out_1@blacksheep.org; Wed, 04 Nov 2009 17:17:34 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1N5jUE-0006jm-CW for rsgb_lf_group@blacksheep.org; Wed, 04 Nov 2009 17:17:34 +0000 Received: from mtaout01-winn.ispmail.ntl.com ([81.103.221.47]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1N5jU6-0006XI-Ra for rsgb_lf_group@blacksheep.org; Wed, 04 Nov 2009 17:17:34 +0000 Received: from aamtaout04-winn.ispmail.ntl.com ([81.103.221.35]) by mtaout01-winn.ispmail.ntl.com (InterMail vM.7.08.04.00 201-2186-134-20080326) with ESMTP id <20091104171721.LALR17029.mtaout01-winn.ispmail.ntl.com@aamtaout04-winn.ispmail.ntl.com> for ; Wed, 4 Nov 2009 17:17:21 +0000 Received: from [192.168.2.33] (really [82.22.242.219]) by aamtaout04-winn.ispmail.ntl.com (InterMail vG.2.02.00.01 201-2161-120-102-20060912) with ESMTP id <20091104171721.STMD22934.aamtaout04-winn.ispmail.ntl.com@[192.168.2.33]> for ; Wed, 4 Nov 2009 17:17:21 +0000 From: "Mike Dennison" To: rsgb_lf_group@blacksheep.org Date: Wed, 04 Nov 2009 17:17:11 -0000 MIME-Version: 1.0 Message-ID: <4AF1B717.31461.F2160F@mike.dennison.ntlworld.com> In-reply-to: <002b01ca5c10$0ccec4f0$0201a8c0@Clemens04> References: <9afca2640910310528p4f07557aifdc0557a68bfeff8@mail.gmail.com>, <002b01ca5c10$0ccec4f0$0201a8c0@Clemens04> X-mailer: Pegasus Mail for Windows (4.41) Content-description: Mail message body X-Cloudmark-Analysis: v=1.0 c=1 a=7b43F8AYrcwA:10 a=9YlaCzn6_68A:10 a=hZG83p_yAAAA:8 a=YVLYd_bNAAAA:8 a=F3M5lZpKAAAA:8 a=fnYqA7hvAAAA:8 a=j6Q1dnSHAAAA:8 a=oCcaPWc0AAAA:8 a=VbBEleJV2F6EnEqZg7IA:9 a=3-efXUrfEF5nk-xEgwoA:7 a=RjnVYsF8elKvRgbjIL_npUX3U1YA:4 a=zXTYkF9FxG4A:10 a=wk6s2zzMB60A:10 a=gA6IeH5FQcgA:10 a=NWVoK91CQyQA:10 a=9MV_0H_94qqYfgOS:21 a=PYIgT00Pnd4IQSuE:21 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Re: 500kHz attenuation graphs? Content-type: text/plain; charset=US-ASCII 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=0.0 required=5.0 tests=none 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-IP: 193.82.116.20 This recommendation is available for 35 Swiss francs from: http://www.itu.int/rec/R-REC-P.368-7-199203-S/en Mike, G3XDV ========== On 2 Nov 2009 at 23:58, Clemens Paul wrote: > Roger, > > it's the CCIR- RECOMMENDATION 368-7 . > There are no free sources on the internet for these graphs > at least I was not able to find any. > Maybe DK8KW can help you, he has a graph for 150kHz on his HP > http://www.qru.de/burg.html > where you can also find his email address. > > 73 > Clemens > DL4RAJ > > > > ----- Original Message ----- > From: Roger Lapthorn > To: rsgb_lf_group@blacksheep.org > Sent: Saturday, October 31, 2009 1:28 PM > Subject: LF: 500kHz attenuation graphs? > > > Can someone please point me to any CCIR or similar graphs > (preferably on the internet) showing > the attenuation with distance expected on groundwave and skywave at > 500kHz? > > 73s > Roger G3XBM > > -- > ------------------------------------------------------------- > http://g3xbm-qrp.blogspot.com/ > http://www.g3xbm.co.uk > G3XBM GQRP 1678 ISWL G11088 > > > > ---------------------------------------------------------------------- > -------- > > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 8.5.423 / Virus Database: 270.14.40/2471 - Release Date: > 10/31/09 07:53:00 >