X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 02 Jul 2008 23:05:21 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m23.mx.aol.com ([64.12.137.4] verified) by logan.com (CommuniGate Pro SMTP 5.2.4) with ESMTP id 3001381 for lml@lancaironline.net; Wed, 02 Jul 2008 15:22:17 -0400 Received: from Sky2high@aol.com by imo-m23.mx.aol.com (mail_out_v38_r9.4.) id q.c2c.3a5bc78c (29678) for ; Wed, 2 Jul 2008 15:22:14 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Wed, 2 Jul 2008 15:22:14 EDT Subject: Re: [LML] WAAS antennas X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1215026534" X-Mailer: Unknown sub 34 X-Spam-Flag:NO -------------------------------1215026534 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit I also converted from a 430 to a 430W. It did require replacing my old antenna with one of the the approved ones (teardrop, stud mount GA56W). Also, special antenna wire was used (RG 142-B, I think) and it must be at least 13 feet long to match the expected loss (3dB to 7dB). My antenna sits above a defunct ground plane, just behind the fuselage rollover and inside just below the ceiling. Finally, You must perform the com frequency checks as required in the installation manual. Perhaps one of your radios tuned to the local airport frequencies is causing a problem. My 430W works with unbelievable accuracy and function and is a great match to my airplane, a 320. May the force be with you. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) Pilot not TSO'd, Certificated score only > 70%. In a message dated 7/2/2008 12:42:12 P.M. Central Daylight Time, colyncase@earthlink.net writes: Has anyone else noticed any issues with their WAAS GPS installation? I just convereted a 530 and 430 to 530W and 430W. My GPS antennas are on a tray just under the glass section in front of the vertical stab on my IVP. Since I got Waas I get "No GPS navigation - user other nav" message. It happens on the ground, it happens whether near buildings or not, it happens to both navs but at different times. It lasts from 30-45 seconds typically. One theory that has been put forth is that the WAAS units look further down the horizon (or need to to get a big enough constellation) and that I may have some blockage at those low angles. So far I haven't seen this happen in the air. I also converted my cessna 530 to 530W. I haven't noticed any issues. The antenna is OUTDOORS in that installation. Colyn Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) Pilot not TSO'd, Certificated score only > 70%. **************Gas prices getting you down? Search AOL Autos for fuel-efficient used cars. (http://autos.aol.com/used?ncid=aolaut00050000000007) -------------------------------1215026534 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
I also converted from a 430 to a 430W.  It did require=20 replacing my old antenna with one of the the approved on= es=20 (teardrop, stud mount GA56W).  Also, special antenna wire was used (RG=20 142-B, I think) and it must be at least 13 feet long to match the=20 expected loss (3dB to 7dB).  My antenna sits above a def= unct=20 ground plane, just behind the fuselage rollover and inside just below the=20 ceiling.
 
Finally, You must perform the com frequency checks as required in=20= the=20 installation manual.  Perhaps one of your radios tuned to the local air= port=20 frequencies is causing a problem.
 
My 430W works with unbelievable accuracy and function and is a gre= at=20 match to my airplane, a 320.
 
May the force be with you.
 
Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL (KARR)

Pil= ot=20 not TSO'd, Certificated score only > 70%.
 
In a message dated 7/2/2008 12:42:12 P.M. Central Daylight Time,=20 colyncase@earthlink.net writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>
Has anyone else noticed any issues with t= heir=20 WAAS GPS installation?
 
I just convereted a 530 and 430 to 530W a= nd=20 430W.    My GPS antennas are on a tray just under the glass= =20 section in front of the vertical stab on my IVP.   Since I got Waas I= get=20 "No GPS navigation - user other nav" message.  It happens on the grou= nd,=20 it happens whether near buildings or not, it happens to both navs but at=20 different times.   It lasts from 30-45 seconds=20 typically.
 
One theory that has been put forth is tha= t the=20 WAAS units look further down the horizon (or need to to get a big enough=20 constellation) and that I may have some blockage at those low=20 angles.   So far I haven't seen this happen in the air.
 
I also converted my cessna 530 to=20 530W.    I haven't noticed any issues.  The antenna is= =20 OUTDOORS in that installation.
 
Colyn
 
 
Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL (KARR)

Pil= ot=20 not TSO'd, Certificated score only > 70%.



=
Gas prices getting you down? Search AOL Autos for=20= fuel-efficient used cars.
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