X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 17 Jan 2006 01:44:01 -0500 Message-ID: X-Original-Return-Path: Received: from smtp104.sbc.mail.re2.yahoo.com ([68.142.229.101] verified) by logan.com (CommuniGate Pro SMTP 5.0.6) with SMTP id 929260 for lml@lancaironline.net; Mon, 16 Jan 2006 21:30:11 -0500 Received-SPF: none receiver=logan.com; client-ip=68.142.229.101; envelope-from=elippse@sbcglobal.net Received: (qmail 95134 invoked from network); 17 Jan 2006 02:29:26 -0000 Received: from unknown (HELO Computerroom) (elippse@sbcglobal.net@63.201.14.27 with login) by smtp104.sbc.mail.re2.yahoo.com with SMTP; 17 Jan 2006 02:29:25 -0000 X-Original-Message-ID: <00d801c61b0d$dd2dd110$1b0ec93f@Computerroom> From: "Paul Lipps" X-Original-To: Subject: Tru-Trak/Com X-Original-Date: Mon, 16 Jan 2006 18:29:37 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00D5_01C61ACA.CE6884B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_00D5_01C61ACA.CE6884B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable One of the things that can happen with unbalanced antennas on composite = AC is that there can be antenna currents running on the outside of the = coax shield. One thing to try is to get a clamp-on ferrite at Radio = Shack and put it on the com cable as close as possible to the antenna. = If you've got a copper foil antenna, or even a groud-plane = (counterpoise) antenna, this can be a help. Antenna currents can also = cause RF to get into the mike and PTT leads, giving bad TX at some = frequencies. The other thing to check is whether the extra current drawn = by the com in TX is loading the input voltage to the Tru-Trak. ------=_NextPart_000_00D5_01C61ACA.CE6884B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
One of the things that can happen with = unbalanced antennas=20 on composite AC is that there can be antenna currents running on the = outside of=20 the coax shield. One thing to try is to get a clamp-on ferrite at Radio = Shack=20 and put it on the com cable as close as possible to the antenna. If = you've got a=20 copper foil antenna, or even a groud-plane (counterpoise) antenna, this = can be a=20 help. Antenna currents can also cause RF to get into the mike and PTT = leads,=20 giving bad TX at some frequencies. The other thing to check is whether = the extra=20 current drawn by the com in TX is loading the input voltage to the = Tru-Trak.=20
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