X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Sat, 07 Oct 2006 16:37:41 -0400 Message-ID: X-Original-Return-Path: Received: from smtp113.sbc.mail.mud.yahoo.com ([68.142.198.212] verified) by logan.com (CommuniGate Pro SMTP 5.1c.5) with SMTP id 1448419 for lml@lancaironline.net; Sat, 07 Oct 2006 16:32:59 -0400 Received-SPF: none receiver=logan.com; client-ip=68.142.198.212; envelope-from=elippse@sbcglobal.net Received: (qmail 41166 invoked from network); 7 Oct 2006 20:32:40 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:Message-ID:From:To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=OqImPLvKWEzCNYazCYtlpaQF+2UheAUe45yLRnQoUldy9Ier9pL7nbGC9r8Qov3zurHZs/ONZl2TbkZHGPP4/3UjvCtMULCF0m3TJ3M1d363lFUPtEkBiW3UEDe5EyhOK5THwQSR/JuahaFqxzusum4RGdIl9MM1o6/CaXtcqwA= ; Received: from unknown (HELO Computerroom) (elippse@sbcglobal.net@75.6.2.251 with login) by smtp113.sbc.mail.mud.yahoo.com with SMTP; 7 Oct 2006 20:32:40 -0000 X-Original-Message-ID: <000801c6ea4f$c4ca8340$fb02064b@Computerroom> From: "Paul Lipps" X-Original-To: "Marv Kaye" Subject: Antenna placement X-Original-Date: Sat, 7 Oct 2006 13:32:53 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01C6EA15.1748D620" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C6EA15.1748D620 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi, John! Here's a rather different spot to mount your com antennas: put = one under each wing about 1/3 of the way out. That gives you lots of = separation between them for isolation, and has a much better = counterpoise (ground plane) length which enhances transmission, = especially out to the sides, plus most Tx-Rx is downward, not upward. If = your GPS uses the very small coax, I wouldn't have the distance from = antenna to receiver very long due to the higher losses in mini cable at = the GPS frequency. As I've posted in the past, if you want superior coax = for all of your radios to minimize your Tx-Rx losses for the best range = and intelligibility over a long distance, get Andrew FSJ 1-50. ------=_NextPart_000_0005_01C6EA15.1748D620 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Hi, John! Here's a rather different spot to = mount your com=20 antennas: put one under each wing about 1/3 of the way out. That gives = you lots=20 of separation between them for isolation, and has a much better = counterpoise=20 (ground plane) length which enhances transmission, = especially out to=20 the sides, plus most Tx-Rx is downward, not upward. If your GPS uses the = very=20 small coax, I wouldn't have the distance from antenna to receiver very = long due=20 to the higher losses in mini cable at the GPS frequency. As I've posted = in the=20 past, if you want superior coax for all of your radios to minimize = your=20 Tx-Rx losses for the best range and intelligibility over a long = distance,=20 get Andrew FSJ 1-50.
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