Return-Path: X-Spam-DCC: paranoid 1233; 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 tB5JxheI020537 for ; Sat, 5 Dec 2015 20:59:44 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1a5IwU-00006w-9M for rs_out_1@blacksheep.org; Sat, 05 Dec 2015 19:56:26 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1a5IwT-00006c-Lg for rsgb_lf_group@blacksheep.org; Sat, 05 Dec 2015 19:56:25 +0000 Received: from smtpout.karoo.kcom.com ([212.50.160.34]) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from ) id 1a5IvU-0006DX-GQ for rsgb_lf_group@blacksheep.org; Sat, 05 Dec 2015 19:56:24 +0000 X-IronPort-AV: E=Sophos;i="5.20,386,1444690800"; d="scan'208";a="83334691" Received: from unknown (HELO [127.0.0.1]) ([82.153.108.248]) by smtpout.karoo.kcom.com with ESMTP; 05 Dec 2015 19:55:07 +0000 Message-ID: <5663411A.5080003@lineone.net> Date: Sat, 05 Dec 2015 19:55:06 +0000 From: LineOne User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Thunderbird/31.1.2 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <5662D3A1.7010108@lineone.net> <3E4DD4EAD220477DAA212DB7F977C9A2@malPC> In-Reply-To: <3E4DD4EAD220477DAA212DB7F977C9A2@malPC> X-Scan-Signature: 739d4fb39bd02fc5a2de5437a39bb056 Subject: Re: LF: Variation in my Rx signal reports on LF Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit 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: 5592 I can't really "do" MF at present but I know that when my LF WSPR transmissions were "lop-sided", that is the I and Q channels in SSB mode were rather different, only one station was able to decode my signals. (My transmitter will not work above LF and reception is very noisy, rather strange for a semi-rural area). Hugh, M0DSZ. On 05/12/2015 18:16, mal hamilton wrote: > Hugh > For acceptable results you need a REAL antenna. I notice that antennas > in use in the UK are useless for weak signal reception. Only one stn > in the UK can decode my signal. > For MF using the proverbial joy stick antennas are like using a match > stick dipped in water > mal/g3kev > > > -----Original Message----- From: LineOne > Sent: Saturday, December 05, 2015 12:08 PM > To: rsgb_lf_group@blacksheep.org > Subject: LF: Variation in my Rx signal reports on LF > > If anyone noting my signal reports, WSPR in particular, is puzzled by > large variations, this is because I am switching between aerials. Best > results are on the main Tx aerial into my R5000 but, failing a suitable > giant relay, I have to use experimental systems instead. Thanks to > GW0NOS in particular I am able to compare results. > The latest aerial is a long ferrite rod with high-gain amplifier, end on > loss is about 10dB. Due soon is a vertical strip in a tube, I understand > height must be the main factor with these. > > Hugh, M0DSZ > >