Return-Path: <owner-rsgb_lf_group@blacksheep.org> 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=-1.0 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_30_40,HTML_MESSAGE,SUBJ_ALL_CAPS 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 tB4H22UR012364 for <sq5bpf@lipkowski.org>; Fri, 4 Dec 2015 18:02:02 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1a4tcw-0001Ro-LY for rs_out_1@blacksheep.org; Fri, 04 Dec 2015 16:54:34 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1a4tcw-0001Rf-CG for rsgb_lf_group@blacksheep.org; Fri, 04 Dec 2015 16:54:34 +0000 Received: from out1.ip03ir2.opaltelecom.net ([62.24.128.239]) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from <g3kevmal@talktalk.net>) id 1a4tc0-0000nP-Ff for rsgb_lf_group@blacksheep.org; Fri, 04 Dec 2015 16:54:33 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AKMADTw2FWPKyNH1waAUMdBwEIAQICAYI7TIEGhxqoZItpgwCBFhKFdgSBK00BAQEBAQEHAQEBAUErFEEQAYNxGzMuCgMHPgI7ChobCYgijhmRPY9wkRiQD2mCUC+BFQWSd4NqAYEpiViEK5p8gi0LAQEBAUOBaD6BPIRnAQEB X-IPAS-Result: A2AKMADTw2FWPKyNH1waAUMdBwEIAQICAYI7TIEGhxqoZItpgwCBFhKFdgSBK00BAQEBAQEHAQEBAUErFEEQAYNxGzMuCgMHPgI7ChobCYgijhmRPY9wkRiQD2mCUC+BFQWSd4NqAYEpiViEK5p8gi0LAQEBAUOBaD6BPIRnAQEB X-IronPort-AV: E=Sophos;i="5.20,380,1444690800"; d="scan'208,217";a="567891201" Received: from host-92-31-141-172.as13285.net (HELO malPC) ([92.31.141.172]) by out1.ip03ir2.opaltelecom.net with SMTP; 04 Dec 2015 17:08:45 +0000 Message-ID: <A13B8F425CC3409E86C835E5D770FA68@malPC> From: "mal hamilton" <g3kevmal@talktalk.net> To: <rsgb_lf_group@blacksheep.org> Date: Fri, 4 Dec 2015 16:53:22 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 15.4.3555.308 X-MIMEOLE: Produced By Microsoft MimeOLE V15.4.3555.308 X-Scan-Signature: 3d0ae5b4ae8b74dc4bf5c1dbe3fef430 Subject: LF: WSPR OBSERVATIONS Content-Type: multipart/alternative; boundary="----=_NextPart_000_002A_01D12EB4.494F9BC0" 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: 5544 This is a multi-part message in MIME format. ------=_NextPart_000_002A_01D12EB4.494F9BC0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable My RX on WSPR MF 477.2 consists of 2 separate systems 1. IC =E2=80=93 706 and 1/4 wave inv L full size on 472 Khz up vert 33 = metres rest horizontal E/W=20 2. TS-50 and 1/4 wave inv L full size on 1800 Khz and not resonated for = 472 Khz Both systems are totally independent and antennas run at right angles to = one another. I do notice selective fading=E2=80=94each antenna produces a different = signal strength at times by as much as 10dB, other times both indicate = the same strength. Antenna space diversity effect. I set both RX sensitivity Noise inputs to the same level for these tests I do notice at times although the received signals are showing on the = waterfall that some do not decode even strong ones at times.=20 My TX Power at present is only 0dB but I am getting reports/decodes from = M0LMH between =E2=80=9316 and =E2=80=9320 dB but surprised that I am not = getting reports from others especially in the UK or France and can only conclude that their RX = sensitivity and antennas are POOR. When I get time I will QRO but need to build an intermediate RF amp = between TCVR and main MF amp All comments welcome de MAL/G3KEV ------=_NextPart_000_002A_01D12EB4.494F9BC0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <HTML><HEAD></HEAD> <BODY dir=3Dltr> <DIV dir=3Dltr> <DIV style=3D"FONT-FAMILY: 'Calibri'; COLOR: #000000; FONT-SIZE: 12pt"> <DIV>My RX on WSPR MF 477.2 consists of 2 separate systems</DIV> <DIV> </DIV> <DIV>1. IC =E2=80=93 706 and 1/4 wave inv L full size on 472 Khz up vert = 33 metres rest=20 horizontal E/W </DIV> <DIV> </DIV> <DIV>2. TS-50 and 1/4 wave inv L full size on 1800 Khz and not resonated = for 472=20 Khz</DIV> <DIV> </DIV> <DIV>Both systems are totally independent and antennas run at right = angles to=20 one another.</DIV> <DIV> </DIV> <DIV>I do notice selective fading=E2=80=94each antenna produces a = different signal=20 strength at times by as much as 10dB, other times both indicate the same = strength.</DIV> <DIV> </DIV> <DIV>Antenna space diversity effect.</DIV> <DIV> </DIV> <DIV>I set both RX sensitivity Noise inputs to the same level for these=20 tests</DIV> <DIV> </DIV> <DIV>I do notice at times although the received signals are showing on = the=20 waterfall that some do not decode even strong ones at times. </DIV> <DIV> </DIV> <DIV>My TX Power at present is only 0dB but I am getting reports/decodes = from=20 M0LMH between =E2=80=9316 and =E2=80=9320 dB but surprised that I am not = getting reports from=20 others</DIV> <DIV>especially in the UK or France and can only conclude that their RX=20 sensitivity and antennas are POOR.</DIV> <DIV> </DIV> <DIV>When I get time I will QRO but need to build an intermediate RF amp = between=20 TCVR and main MF amp</DIV> <DIV> </DIV> <DIV>All comments welcome</DIV> <DIV> </DIV> <DIV>de MAL/G3KEV</DIV> <DIV> </DIV></DIV></DIV></BODY></HTML> ------=_NextPart_000_002A_01D12EB4.494F9BC0--