Return-Path: Received: from mtain-ma07.r1000.mx.aol.com (mtain-ma07.r1000.mx.aol.com [172.29.96.15]) by air-me03.mail.aol.com (v127_r1.1) with ESMTP id MAILINME033-8baa4b866916d0; Thu, 25 Feb 2010 07:12:06 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-ma07.r1000.mx.aol.com (Internet Inbound) with ESMTP id CC38838000072; Thu, 25 Feb 2010 07:12:03 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NkcYj-0003K3-4k for rs_out_1@blacksheep.org; Thu, 25 Feb 2010 12:11:13 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NkcYi-0003Ju-QS for rsgb_lf_group@blacksheep.org; Thu, 25 Feb 2010 12:11:12 +0000 Received: from mx.omskcity.com ([79.133.160.2]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NkcYg-0004Go-0C for rsgb_lf_group@blacksheep.org; Thu, 25 Feb 2010 12:11:12 +0000 Received: from noname.nodomain.nowhere (host209.161-133-79.sotline.ru [79.133.161.209]) by mx.omskcity.com (8.13.6/8.13.6) with ESMTP id o1PCB6SI066095 for ; Thu, 25 Feb 2010 18:11:07 +0600 (OMST) (envelope-from fitec@omskcity.com) Received: from localhost (fitec@localhost) by noname.nodomain.nowhere (8.8.5/8.8.5) with SMTP id TAA00373 for ; Thu, 25 Feb 2010 19:16:06 GMT X-Authentication-Warning: noname.nodomain.nowhere: fitec owned process doing -bs Date: Thu, 25 Feb 2010 19:16:06 +0000 (GMT) From: "Alexander S. Yurkov" To: "'rsgb_lf_group@blacksheep.org'" In-Reply-To: <8E8D23D235D70840B6582917DF27898006935CAB@temps153538.tms-ltd.com> Message-ID: MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.1.8 (mx.omskcity.com [79.133.160.2]); Thu, 25 Feb 2010 18:11:08 +0600 (OMST) X-Spam-Score: 1.5 (+) X-Spam-Report: autolearn=disabled,DATE_IN_FUTURE_06_12=1.498 Subject: RE: LF: AW: 9 Dreamers Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.9 required=5.0 tests=DATE_IN_FUTURE_06_12 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: 3039ac1d600f4b8669134b6e X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) On Thu, 25 Feb 2010, Reeves Paul wrote: > > Using a 2007 issue of ITU-R P.372-9 (latest I've got) the general figures at > 10KHz seem to be between 150-165. There are some down at 145 and a much > smaller (seasonal) variation to ~175. Just 'ballpark' figures from a browse > through the document - too much info........ Yet another 5 dB! Then we have 5 dB over noise at 1000 km (!!!) in QRSS100. In HAM practics we don't need regulary contact. Thus let's take lowest noise level. Certanly this is very rough estimations. Regards, Alexander