Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mk02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 9F8543800009C; Sat, 7 Jan 2012 05:34:25 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1RjTa6-00036b-Ew for rs_out_1@blacksheep.org; Sat, 07 Jan 2012 10:32:58 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1RjTa5-00036S-QE for rsgb_lf_group@blacksheep.org; Sat, 07 Jan 2012 10:32:57 +0000 Received: from out1.ip08ir2.opaltelecom.net ([62.24.128.244]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1RjTa3-0005UO-Sz for rsgb_lf_group@blacksheep.org; Sat, 07 Jan 2012 10:32:57 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqEIAMMeCE9Ok8qt/2dsb2JhbABDl24Dk0eBCYEGgW0UAQEDSQIsAggCAQcBHDkBBBoGJB0BAgIBAYdrlk+fMowRBIgGhS4Bmg0 X-IronPort-AV: E=Sophos;i="4.71,472,1320624000"; d="scan'208,217";a="513343644" Received: from host-78-147-202-173.as13285.net (HELO xphd97xgq27nyf) ([78.147.202.173]) by out1.ip08ir2.opaltelecom.net with SMTP; 07 Jan 2012 10:32:49 +0000 Message-ID: <001801cccd27$b3b5da80$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: "rsgb" Date: Sat, 7 Jan 2012 10:32:48 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: JA/EU Content-Type: multipart/alternative; boundary="----=_NextPart_000_0015_01CCCD27.B35B3760" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE 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-SCOLL-SCORE: 0:2:440929504:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d61864f081fb16b74 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_0015_01CCCD27.B35B3760 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable LF No sigs visible in JA from EU last nite at the peak time, around 2150 z. = The JA grabber moved freq so not possible to check at 0740z the other = peak time. I think the antenna used for transmitting has some influence on the = launch angle and distance covered and likewise the type of antenna at = the receive site. ie low or high angle.=20 A vertical TX antenna system as high as possible would produce low angle = signals, preferable for long haul DX, and low horizontal wires, loops = etc would produce high angle, ideal for short ranges but not ideal for = DX although the odd time high angle also does the trick. Large vertical = loops fed correctly at the side produce low angles but small vertical = loops relative to frequency ie LF might be difficult to evaluate. de g3kev =20 ------=_NextPart_000_0015_01CCCD27.B35B3760 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
LF
No sigs visible in JA from EU last nite at the = peak time,=20 around 2150 z. The JA grabber moved freq so not possible to check at = 0740z the=20 other peak time.
I think the antenna used for transmitting has = some=20 influence on the launch angle and distance covered and likewise the type = of=20 antenna at the receive site. ie low or high angle.
A vertical TX antenna system as high as possible = would=20 produce low angle signals, preferable for long haul DX, and low = horizontal=20 wires, loops etc would produce high angle, ideal for short ranges but = not ideal=20 for DX although the odd time high angle also does the trick. Large = vertical=20 loops fed correctly at the side  produce low angles but small = vertical=20 loops relative to frequency ie LF might be difficult to = evaluate.
de g3kev
 
 
 
 
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