X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Sun, 13 Aug 2006 15:28:12 -0400 Message-ID: X-Original-Return-Path: Received: from [70.62.14.124] (HELO server1.USTEK) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1319415 for lml@lancaironline.net; Sat, 12 Aug 2006 00:03:35 -0400 Received-SPF: none receiver=logan.com; client-ip=70.62.14.124; envelope-from=lancair@USTEK.COM Subject: RE: [LML] Re: GPS ground plane MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01C6BDC4.66B16CC2" Content-class: urn:content-classes:message X-Original-Date: Sat, 12 Aug 2006 00:01:22 -0400 X-MimeOLE: Produced By Microsoft Exchange V6.5 X-Original-Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [LML] Re: GPS ground plane Thread-Index: Aca9pZUmERi4frbhQo2rGI+VB6WhuAAHmQdk References: From: "Lancair" X-Original-To: "Lancair Mailing List" This is a multi-part message in MIME format. ------_=_NextPart_001_01C6BDC4.66B16CC2 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Just re-read the installation requirements for the Comat GPS antenna = that comes with the new Chelton Pinpoint GADAHRS. It requires an = aluminum ground plane and cautions the user to clean and Alodine it for = better electrical contact. Sooooo - whaat is the reaal story? =20 Robert M. Simon ES-P N301ES =20 ________________________________ From: Lancair Mailing List on behalf of Dan Schaefer Sent: Fri 8/11/2006 8:22 PM To: Lancair Mailing List Subject: [LML] Re: GPS ground plane Mike, Chat - GPS antennas don't require an external ground plane, = whatever they need is internal to the antenna module. Mike, what you're calling a ground plane in the submitted photo is probably nothing more than a = mounting shelf. Mine is mounted just behind my head aft of the roll-bar on the center-line on a fiberglass shelf (no metal other than the connector and cable) and does just fine (very high S/N ratio on a bunch of = satellites). Dan Schaefer -- For archives and unsub http://mail.lancaironline.net/lists/lml/ ------_=_NextPart_001_01C6BDC4.66B16CC2 Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: base64 eJ8+IhsEAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAEIgAcAGAAAAElQTS5NaWNy b3NvZnQgTWFpbC5Ob3RlADEIAQ2ABAACAAAAAgACAAEEgAEAHwAAAFJFOiBbTE1MXSBSZTogR1BT IGdyb3VuZCBwbGFuZQCICQEFgAMADgAAANYHCAAMAAAAAQAWAAYADgEBIIADAA4AAADWBwgADAAA AAQAGgAGABUBAQmAAQAhAAAAMUQxQjlEMjBDREFDNTE0QzlERjY1NkQzMTA5MThGMDYAOQcBA5AG AHQOAAA4AAAAAwA2AAAAAABAADkA5j1D+cO9xgEeAD0AAQAAAAUAAABSRTogAAAAAAIBRwABAAAA LAAAAGM9VVM7YT0gO3A9VVNURUs7bD1TRVJWRVIxLTA2MDgxMjA0MDQyNlotOTUAHgBJAAEAAAAb AAAAW0xNTF0gUmU6IEdQUyBncm91bmQgcGxhbmUAAEAATgCAzixZpb3GAR4AWgABAAAAFQAAAExh bmNhaXIgTWFpbGluZyBMaXN0AAAAAAIBWwABAAAASAAAAAAAAACBKx+kvqMQGZ1uAN0BD1QCAAAA AExhbmNhaXIgTWFpbGluZyBMaXN0AFNNVFAAbG1sQGxhbmNhaXJvbmxpbmUubmV0AAIBXAABAAAA GwAAAFNNVFA6TE1MQExBTkNBSVJPTkxJTkUuTkVUAAAeAF0AAQAAAA0AAABEYW4gU2NoYWVmZXIA 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