Return-Path: Sender: (Marvin Kaye) To: lml Date: Tue, 30 Apr 2002 23:35:15 -0400 Message-ID: X-Original-Return-Path: Received: from spknpop1.spkn.uswest.net ([207.108.48.1] verified) by logan.com (CommuniGate Pro SMTP 3.5.9) with SMTP id 1204599 for lml@lancaironline.net; Tue, 30 Apr 2002 21:35:30 -0400 Received: (qmail 67437 invoked by uid 0); 1 May 2002 01:31:11 -0000 Received: from spkndslgw6poolc207.spkn.uswest.net (HELO ckrouse) (63.227.99.207) by spknpop1.spkn.uswest.net with SMTP; 1 May 2002 01:31:11 -0000 X-Original-Message-ID: <003701c1f0af$d6b03620$cf63e33f@ckrouse> From: "C Krouse" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: Transponder Crackling - LNC2 X-Original-Date: Tue, 30 Apr 2002 18:25:55 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 > edechazal@comcast.net wrote: > > I've become irritated with the crackling noise my transponder (King 76C)... > Ed, Here are some additional thoughts. There is a very good chance that the 'crackle' you hear is the transponder transmission. E-glass is invisible to RF (radio frequency) energy. Therefore it seems logical that if a 900Mhz signal is striking you every time the transponder transmits, that your other aircraft systems are also getting struck with RFI (interference). You should probably take steps to shield sensitive areas of the cockpit from the high power burst, which would hopefully shield you and passengers also. Check out RST Engineering for some very good information. Their website is www.rst-engr.com Good Luck! Curtis N753K