X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 23 Oct 2007 08:22:23 -0400 Message-ID: X-Original-Return-Path: Received: from vms042pub.verizon.net ([206.46.252.42] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTP id 2401478 for lml@lancaironline.net; Tue, 23 Oct 2007 00:31:55 -0400 Received-SPF: pass receiver=logan.com; client-ip=206.46.252.42; envelope-from=tom.gourley@verizon.net Received: from jacky0da39824a ([71.111.153.83]) by vms042.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0JQC007HUKJL2YV1@vms042.mailsrvcs.net> for lml@lancaironline.net; Mon, 22 Oct 2007 23:31:02 -0500 (CDT) X-Original-Date: Mon, 22 Oct 2007 21:30:52 -0700 From: "Tom Gourley" Subject: Re: [LML] GPS antennae X-Original-To: "Lancair Mailing List" Reply-to: "Tom Gourley" X-Original-Message-id: <001b01c8152d$7fb6d7e0$640610ac@jacky0da39824a> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-Mailer: Microsoft Outlook Express 6.00.2900.3138 Content-type: multipart/alternative; boundary="----=_NextPart_000_0018_01C814F2.D2A551B0" X-Priority: 3 X-MSMail-priority: Normal References: This is a multi-part message in MIME format. ------=_NextPart_000_0018_01C814F2.D2A551B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable May I ask the experts if it is reasonable to use a splitter in the = KLN89B coax line to get GPS signals to the Garmin 295? In the past I have been told that you should not use a splitter on a GPS = antenna, and you certainly can't use the same type of splitter that you = would on a VOR antenna. However, I see that there are devices on the = market specifically for splitting GPS signals. (Check out = http://www.spectracomcorp.com/Home/Products/Antennas/8224GPSAntennaSplitt= er/tabid/147/Default.aspx or = http://www.rfglobalnet.com/content/productshowcase/product.asp?docid=3Dd7= b0c7f7-98a4-4658-889f-1ecf5c9c7629). Many GPS antennas are active = antennas, like the KA 92 normally specified for the KLN89B. Assuming = you're using an active antenna with the KLN89B you need to make sure = that the splitter will pass DC power from the KLN89B to the antenna = while blocking DC to the Garmin. I've never tried these products so I = don't know how well they work. I'd want to do some more research before = I tried it. Hopefully someone else on the LML has some recent exerience = in this area. Tom Gourley ----- Original Message -----=20 From: Dominic V Crain=20 To: lml@lancaironline.net=20 Sent: Monday, October 22, 2007 4:38 PM Subject: [LML] GPS antennae May I ask the experts if it is reasonable to use a splitter in the = KLN89B coax line to get GPS signals to the Garmin 295? If so, can anyone recommend the type of spitter to install? Thanks Dom Crain Oz up OVER VH-CZJ Darwinian proverb: I came; I saw; I watched - Then fell off the perch. ------=_NextPart_000_0018_01C814F2.D2A551B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

May I ask the experts if it is reasonable = to use a=20 splitter in the KLN89B coax line to get GPS signals to the Garmin=20 295?

In the past I have been told that you = should not=20 use a splitter on a GPS antenna, and you certainly can't use the same = type=20 of splitter that you would on a VOR antenna. However, I see = that=20 there are devices on the market specifically for splitting GPS = signals. =20 (Check out http://www.spectracomcorp.com/Home/Pro= ducts/Antennas/8224GPSAntennaSplitter/tabid/147/Default.aspx or = http://www.rfglobalnet.com/co= ntent/productshowcase/product.asp?docid=3Dd7b0c7f7-98a4-4658-889f-1ecf5c9= c7629). Many=20 GPS antennas are active antennas, like the KA 92 normally specified = for the=20 KLN89B. Assuming you're using an active antenna with=20 the KLN89B you need to make sure that the splitter will pass = DC power=20 from the KLN89B to the antenna while blocking DC to the = Garmin. I've=20 never tried these products so I don't know how well they work. I'd = want to=20 do some more research before I tried it. Hopefully someone = else on=20 the LML has some recent exerience in this area.

Tom Gourley

----- Original Message -----
From:=20 Dominic V=20 Crain
To: lml@lancaironline.net

Sent: Monday, October 22, 2007 = 4:38=20 PM

Subject: [LML] GPS = antennae

May I ask the experts if it is reasonable to = use a=20 splitter in the KLN89B coax line to get GPS signals to the Garmin=20 295?

If so, can anyone recommend the type of = spitter to=20 install?

Thanks

Dom Crain

Oz up OVER

VH-CZJ

Darwinian proverb: I came; I saw; I watched = =96 Then=20 fell off the perch.

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