Return-Path: Received: from rly-da06.mx.aol.com (rly-da06.mail.aol.com [172.19.129.80]) by air-da04.mail.aol.com (v124.15) with ESMTP id MAILINDA041-a724a8d29723af; Thu, 20 Aug 2009 06:46:34 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-da06.mx.aol.com (v124.15) with ESMTP id MAILRELAYINDA062-a724a8d29723af; Thu, 20 Aug 2009 06:46:13 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Me58H-0006qr-F0 for rs_out_1@blacksheep.org; Thu, 20 Aug 2009 11:44:37 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Me58G-0006qi-Nb for rsgb_lf_group@blacksheep.org; Thu, 20 Aug 2009 11:44:36 +0100 Received: from smtp804.mail.ird.yahoo.com ([217.146.188.64]) by relay3.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1Me58A-0001cP-ND for rsgb_lf_group@blacksheep.org; Thu, 20 Aug 2009 11:44:32 +0100 Received: (qmail 62197 invoked from network); 20 Aug 2009 10:44:24 -0000 Received: from unknown (HELO mjusamsung) (mike@86.149.52.245 with login) by smtp804.mail.ird.yahoo.com with SMTP; 20 Aug 2009 10:44:24 -0000 X-Yahoo-SMTP: Vz30YUiswBBhGe2j6ZeqsGrd30wVjdhaIBlL_3JQrBIV571NsvtZeKw- X-YMail-OSG: AJ8wd0wVM1nq1RZDRZgSJFW5ilur1dkILJbRQE0owO56gg2EgsS27NQaDbFKM9FT1U_PAfBTV8cMo_jk8dUqg.kt5xcsCu1SCMuZW19WIzXAJ0GIxxUxqfmaBp9OoXudYJH3X0MvXkwJRhOvEkXNUjIyo2rYi0ieCiU_F2HRsMZAYINVnjYlKYgXHOrvlHQ_VqH6GIwbJNWLEiMYMOec0l5fHUHIverkHrSDyKIUxYYeVcZgx21UlxphDyGNMQvlz8JgV1u.YLUAAnzmr0WXvf53yue4O6b1pUkI1ntunbL06rRdxLl.CrxLxG0pAquKU77cV6yTbgQToIw- X-Yahoo-Newman-Property: ymail-3 Message-ID: <4D0A429582694836812C0FB6FDCADEDD@mjusamsung> From: "Mike Underhill" To: References: , <002e01ca2057$32c9a5c0$0900a8c0@AM> <4A8B9246.29046.10FABD@dave.davesergeant.com> <20090819130355.252210@gmx.net> Date: Thu, 20 Aug 2009 11:44:23 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Spam-Score: 3.4 (+++) X-Spam-Report: autolearn=disabled,FORGED_MUA_OUTLOOK=3.36 Subject: LF: Re: Tree noise Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.6 required=5.0 tests=FORGED_MUA_OUTLOOK 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 Dennis (DL6NVC) Please could you try your loop away from the tree. Preferably more than 2 metres. I have found severe bio-electric(?) noise from trees from 3.5 to 500MHz.using loops, whips and UHF Yagis. The noise drops to almost zero if the tree ambient temperature is below about zero Celsius. Mike - G3LHZ ----- Original Message ----- From: "Dennis" To: Sent: Wednesday, August 19, 2009 2:03 PM Subject: LF: Re: 500kHz qrg range* THANKS! > >> 2. Most of the time there is a terrible broadband noise present in my >> home location, which blocks everything below 14MHz and even degrades >> Polskie Radio I on 225kHz and BBC4 198kHz (with the rx loop outside the >> house in a tree). That's the reason why I did not report any reception on >> 500kHz in the last weeks. There simply wasn't anything to receive... >> Although in a few kHz bandwidth this broadband noise of course does not >> equal the fieldstrengh of a local broadcast station, the broader the >> filter, the higher the level, unneccesary loading the mixer. > > vy73 > Dennis > DL6NVC > > > > > > > > > -- > Neu: GMX Doppel-FLAT mit Internet-Flatrate + Telefon-Flatrate > für nur 19,99 Euro/mtl.!* http://portal.gmx.net/de/go/dsl02 > >