X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Mon, 14 Aug 2006 09:50:44 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m27.mx.aol.com ([64.12.137.8] verified) by logan.com (CommuniGate Pro SMTP 5.1c.3) with ESMTP id 1330421 for lml@lancaironline.net; Mon, 14 Aug 2006 07:20:20 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.8; envelope-from=MikeEasley@aol.com Received: from MikeEasley@aol.com by imo-m27.mx.aol.com (mail_out_v38_r7.6.) id q.54d.5c503c1 (48600) for ; Mon, 14 Aug 2006 07:19:23 -0400 (EDT) From: MikeEasley@aol.com X-Original-Message-ID: <54d.5c503c1.3211b63a@aol.com> X-Original-Date: Mon, 14 Aug 2006 07:19:22 EDT Subject: Re: [LML] Re: GPS ground plane X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1155554362" X-Mailer: 9.0 Security Edition for Windows sub 5330 X-Spam-Flag: NO -------------------------------1155554362 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Robert, I think the Lancair Avionics mounting method is more structural that to provide a ground plane. I recall an article in one of my magazines that tested GPS antennas and ground planes. I'm going to dig out my box of old mags and see if I can find it. On another note, my Garmin portable has a small 1 1/2" square antenna and it picks up satellites very well, no ground plane. Mike -------------------------------1155554362 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Robert,

I think the Lancair Avionics mounting method is more structural that to= =20 provide a ground plane. I recall an article in one of my magazines tha= t=20 tested GPS antennas and ground planes. I'm going to dig out my box of=20= old=20 mags and see if I can find it.

On another note, my Garmin portable has a small 1 1/2" square antenna a= nd=20 it picks up satellites very well, no ground plane.

Mike

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