Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Fri, 14 May 2004 01:27:18 -0400 Message-ID: X-Original-Return-Path: Received: from [64.4.35.232] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2b3) with ESMTP id 3231818 for lml@lancaironline.net; Thu, 13 May 2004 23:32:42 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Thu, 13 May 2004 20:32:38 -0700 Received: from 67.1.56.126 by bay12-dav58.bay12.hotmail.com with DAV; Fri, 14 May 2004 03:32:38 +0000 X-Originating-IP: [67.1.56.126] X-Originating-Email: [gary21sn@hotmail.com] X-Sender: gary21sn@hotmail.com From: "Gary Edwards" X-Original-To: "Lancair Mailing List" Subject: Re: ACK ELT trips with COM2 transmit X-Original-Date: Thu, 13 May 2004 20:31:19 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_05C6_01C43929.40200860" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 8.5 Seal-Send-Time: Thu, 13 May 2004 20:31:20 -0700 X-MimeOLE: Produced By MSN MimeOLE V8.50.0017.1202 X-Original-Message-ID: X-OriginalArrivalTime: 14 May 2004 03:32:38.0838 (UTC) FILETIME=[1B28AD60:01C43964] This is a multi-part message in MIME format. ------=_NextPart_000_05C6_01C43929.40200860 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable >>>I know some of you have had the problem of when you transmit on a COM = radio your ACK ELT trips on. I have had this problem with my COM2 since = first flight last summer and am now getting to doing something about = it.... Well, I have now moved the ELT antenna so it is pretty close to 5' away = and it still trips. I have also rerouted the telephone cable that goes = between the remote control panel and the ELT itself, so that it is = further away from the COM2 coax and antenna. Now I get intermittent = results with still >50% of COM2 transmissions setting off the ELT!... Do any of you have words of wisdom in resolving this ELT situation?... Any help is appreciated.... My ACK ELT antenna is the one that came with it (metal coiled wire) and = is mounted in the center line of the fuselage behind the baggage = bulkhead. It right over the top of the Com antenna coax (RG-58). The = Com antenna is in the vertical stab. The Com antenna coax is under a = copper foil ground plane for the ELT antenna. My Com radio is a King = KX-155. The ELT cable (telephone type) is within the wire race with = other electrical wires as well as the Com coax in the center = tunnel/console to the instrument panel. The ACK ELT is vintage about = 1996 to 1998. =20 The radio has never tripped the ELT. I have had the ELT trip twice in = the first year of operation (1999), once while taxing and once while in = the pattern. Both times were random while not in the transmit mode. Gary Edwards LNC2 N21SN=20 ------=_NextPart_000_05C6_01C43929.40200860 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

>>>I know some of you have had the problem of when you = transmit on a COM radio your ACK ELT trips on. I have had this = problem=20 with my COM2 since first flight last summer and am now getting to doing=20 something about it....

Well, I have now moved the ELT antenna so = it is=20 pretty close to 5' away and it still trips. I have also rerouted = the=20 telephone cable that goes between the remote control panel and the ELT = itself,=20 so that it is further away from the COM2 coax and antenna. Now I = get=20 intermittent results with still >50% of COM2 transmissions setting = off the=20 ELT!...

Do any of you have words of wisdom in resolving this ELT=20 situation?...
Any help is appreciated....

My ACK ELT antenna is the one that came with it (metal coiled wire) = and is=20 mounted in the center line of the fuselage behind the baggage = bulkhead. It=20 right over the top of the Com antenna coax (RG-58). The Com = antenna is in=20 the vertical stab. The Com antenna coax is under a copper foil = ground=20 plane for the ELT antenna. My Com radio is a King = KX-155. The=20 ELT cable (telephone type) is within the wire race with other electrical = wires=20 as well as the Com coax in the center tunnel/console to the = instrument=20 panel. The ACK ELT is vintage about 1996 to 1998. =

The radio has never tripped the ELT. I have had the ELT = trip=20 twice in the first year of operation (1999), once while taxing and = once=20 while in the pattern. Both times were random while not in the = transmit=20 mode.

Gary Edwards

LNC2 N21SN

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