AeroElectric-List Digest Archive

Thu 03/08/07


Total Messages Posted: 11



Today's Message Index:
----------------------
 
     1. 03:50 AM - Re: GPS antenna. (Stewart, Michael (ISS Atlanta))
     2. 05:32 AM - Re: GPS antenna. (Dale Ensing)
     3. 05:34 AM - Re: Transponder noise (Dustin Paulson)
     4. 07:17 AM - Re: GPS antenna. (John Richardson)
     5. 08:21 AM - Re: GPS antenna. (Stewart, Michael (ISS Atlanta))
     6. 08:23 AM - Re: GPS Antenna (Jerry2DT@aol.com)
     7. 08:28 AM - Alternator field current (Jerry2DT@aol.com)
     8. 08:42 AM - Re: GPS antenna. (John Richardson)
     9. 10:35 AM - Re: GPS antenna. (Stewart, Michael (ISS Atlanta))
    10. 10:59 AM - Re: GPS antenna. (Bill Denton)
    11. 11:46 AM - Re: GPS antenna. (Bret Smith)
 
 
 


Message 1


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    Time: 03:50:12 AM PST US
    Subject: GPS antenna.
    From: "Stewart, Michael (ISS Atlanta)" <mike.stewart@us.ibm.com>
    Yes this will work fine. I have 5 little hockey puck antennae's on my glare shield. (3GPS and 2 XM) 2 panel GPS's, and one 295 that my wife gets in the rear. One XM wx on the grt and one XM for radio. Photo on the Mirrors link on this page. http://www2.mstewart.net:8080/super8/index.htm It makes for short wire runs, light weight, and ease of service IF you have access panels. If you have more than one GPS antennae, they need to be several inches apart or you will get signal degradation between them, although they will work. Mike _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of B Tomm Sent: Wednesday, March 07, 2007 10:07 PM Subject: AeroElectric-List: GPS antenna. I assume a remote GPS antenna will work fine on my RV7 located on top of the glare shield but under the windshield. Is anybody operating with this configuration successfully (Garmin 296 or 396)? If so, which antenna are you using. Bevan


    Message 2


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    Time: 05:32:44 AM PST US
    From: "Dale Ensing" <densing@carolina.rr.com>
    Subject: Re: GPS antenna.
    I have the 296 with the Garmin remote antenna mounted with Velcro on the glare shield and it works well. However, I discovered the placement of the antenna in relationship to the GPS unit is a factor. My 296 is mounted externally on the panel at the top of the radio stack and just below the glare shield over hang. When the remote antenna is place on the aft edge of the glare shield right above the GPS it well not work. Moved to the far forward part of the glare shield, next to the windshield, it works fine. I confirmed this outside the airplane. With the GPS in my hand and receiving signal using the stub antenna, I switched to the remote antenna and held it in the same position as the stub antenna. The GPS soon stop working. When I held the remote antenna at arms length it resumed working. My original setup was a 295 mounted in the same location with the remote antenna mounted just above it and it worked. Can anybody explain this to me? Could the magnet in the 296 remote be the cause? Dale Ensing ----- Original Message ----- From: B To: aeroelectric-list@matronics.com Sent: Wednesday, March 07, 2007 10:06 PM Subject: AeroElectric-List: GPS antenna. I assume a remote GPS antenna will work fine on my RV7 located on top of the glare shield but under the windshield. Is anybody operating with this configuration successfully (Garmin 296 or 396)? If so, which antenna are you using. Bevan


    Message 3


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    Time: 05:34:08 AM PST US
    Subject: Re: Transponder noise
    From: "Dustin Paulson" <dustinp@direcway.com>
    What kind of audio panel? What are the connectors on the back like? Is your airplane composite or metal? Where is the transponder antenna mounted with respect to the panel? Bob . . . Bob, The audio panel is Garmin GMA 340 with 2 large D-sub connetors on the back. I had Approach Systems build the harness for it, as well as all the other avionics, and use their avionics hub to connect everything together. The plane is a highwing GlaStar, which has chrome molly passenger cage surrounded by a fiberglass fuselage, and vertical stabilizer. It has aluminum wings, rudder, and horizontal stabilizer. I built a composite battery shelf that spans the fuselage sides behind the bulkhead that seperates the baggage compartment from the empanage. In addition to the battery on one end, the ELT is located on the other end, and the transponder antenna inbetween, with the ground plane mounted on top of the shelf, and the element hanging underneath. This places the antenna about 8 feet behind the panel. I thought the foil tape marker beacon antenna glassed to the belly of the empanage may be picking up the transponder broadcast since it is hooked directly to the audio panel. So this morning I went out and diconnected the marker beacon coax from its lead on the audio panel harness, while I listened to my headset. However there was no change in the ticking when I diconnected the coax. I did notice a significant change in the volume of the ticking when my physical position changed as I moved around the plane to make the disconnection. I also noted that when I turned off the ANR on my LightSpeed headset, the ticking was no longer audible, but I really don't want to fly without the ANR since it makes radio transmissions so much easier to hear. It does seem like there is something in the headset or ANR circuitry that is picking up the transponder transmission. Has anyone else experienced this? and if so did you find a fix?? Thanks Dustin Paulson Read this topic online here: http://forums.matronics.com/viewtopic.php?p=99421#99421


    Message 4


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    Time: 07:17:19 AM PST US
    From: "John Richardson" <jrichard@ccser.com>
    Subject: GPS antenna.
    Mike. I looked at the link showing your panel. Very nice. Quick question: I see your initial design was using the Garmin 480 GPS navigator, then you changed to the 430 GPS. Do you think Garmin will obsolete the 480 soon? John _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 08, 2007 3:39 AM Subject: RE: AeroElectric-List: GPS antenna. Yes this will work fine. I have 5 little hockey puck antennae's on my glare shield. (3GPS and 2 XM) 2 panel GPS's, and one 295 that my wife gets in the rear. One XM wx on the grt and one XM for radio. Photo on the Mirrors link on this page. http://www2.mstewart.net:8080/super8/index.htm It makes for short wire runs, light weight, and ease of service IF you have access panels. If you have more than one GPS antennae, they need to be several inches apart or you will get signal degradation between them, although they will work. Mike _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of B Tomm Sent: Wednesday, March 07, 2007 10:07 PM Subject: AeroElectric-List: GPS antenna. I assume a remote GPS antenna will work fine on my RV7 located on top of the glare shield but under the windshield. Is anybody operating with this configuration successfully (Garmin 296 or 396)? If so, which antenna are you using. Bevan http://www.matronics.com/Navigator?AeroElectric-List http://forums.matronics.com


    Message 5


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    Time: 08:21:11 AM PST US
    Subject: GPS antenna.
    From: "Stewart, Michael (ISS Atlanta)" <mike.stewart@us.ibm.com>
    Where did you see the 480 as initial design? I never considered it in my panel and I I can only comment on my personal opinion as to the 480. I think it will die. It is based on nothing but guess work looking at their portfolio and product roadmap. Since I have the MX20, there is no need for the 480 IMHO. Best, Mike Do not archive _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Richardson Sent: Thursday, March 08, 2007 10:16 AM Subject: RE: AeroElectric-List: GPS antenna. Mike. I looked at the link showing your panel. Very nice. Quick question: I see your initial design was using the Garmin 480 GPS navigator, then you changed to the 430 GPS. Do you think Garmin will obsolete the 480 soon? John _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 08, 2007 3:39 AM Subject: RE: AeroElectric-List: GPS antenna. Yes this will work fine. I have 5 little hockey puck antennae's on my glare shield. (3GPS and 2 XM) 2 panel GPS's, and one 295 that my wife gets in the rear. One XM wx on the grt and one XM for radio. Photo on the Mirrors link on this page. http://www2.mstewart.net:8080/super8/index.htm It makes for short wire runs, light weight, and ease of service IF you have access panels. If you have more than one GPS antennae, they need to be several inches apart or you will get signal degradation between them, although they will work. Mike _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of B Tomm Sent: Wednesday, March 07, 2007 10:07 PM Subject: AeroElectric-List: GPS antenna. I assume a remote GPS antenna will work fine on my RV7 located on top of the glare shield but under the windshield. Is anybody operating with this configuration successfully (Garmin 296 or 396)? If so, which antenna are you using. Bevan http://www.matronics.com/Navigator?AeroElectric-List http://forums.matronics.com


    Message 6


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    Time: 08:23:33 AM PST US
    From: Jerry2DT@aol.com
    Subject: Re: GPS Antenna
    Folks, That one from Garmin has no magnet, besides it is (allegedly) waterproof, so could be mounted outside if you wish. However, it's so tiny, very unobtrusive on the glare shield with velcro or carpet tape. Jerry Cochran Time: 07:36:52 PM PST US From: Bobby Hester <bobbyhester@charter.net> Subject: Re: AeroElectric-List: GPS antenna. I use the antenna that came with my Garmin 296 car kit in the plane and I use the extra one I bought off ebay when I travel in rental car. The Garmin one in the plane is mounted on my glare sheild with velcro :-) Goto this page http://webpages.charter.net/bobbyhester/MyFlyingRV7A.htm and scroll to the bottom, them click the picture to enlarge. I think the one off ebay with the magnet would work just fine here also. It might mess with the compass, not sure. <BR><BR><BR>**************************************<BR> AOL now offers free email to everyone. Find out more about what's free from AOL at http://www.aol.com.


    Message 7


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    Time: 08:28:39 AM PST US
    From: Jerry2DT@aol.com
    Subject: Alternator field current
    Folks, I may be having a brain lockup, but trying to determine field current for the old 14184 type Van's alternator. I just began running my engine for the first time, and thought I had it wired per Z-11. I had inserted a 5a fuse onto the field circuit at the bus because I thought this would be equivalent to inserting one inline after the switch as Z-11 shows instead of the 22AWG fuselink. Z-11 looks like this circuit has double protection with the fuselink and 5a fuse on the same circuit . Well, upon first start, the 5a fuse on the buss blew, so I have two questions for Bob and/or other smart people on this list. 1) Why the "extra" protection on the field circuit? 2) What typically would the current draw be on the field circuit for this 35a alternator. I checked the archives and manuals, no joy... BTW, if it matters, this is the "Generic Ford" regulator as per Z-11 Any/all advice/input appreciated... If you have an immediate answer, please email me as well at jerry2dt@aol.com Jerry Cochran RV6a FAA inspection today!!! <BR><BR><BR>**************************************<BR> AOL now offers free email to everyone. Find out more about what's free from AOL at http://www.aol.com.


    Message 8


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    Time: 08:42:19 AM PST US
    From: "John Richardson" <jrichard@ccser.com>
    Subject: GPS antenna.
    I saw the 480 in the top picture at this link http://www2.mstewart.net:8080/super8/panel/index.htm I think your conclusion about Garmin's roadmap is correct. I happen to like the 480 and would like to see it stick around. Oh well. John _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 08, 2007 8:13 AM Subject: RE: AeroElectric-List: GPS antenna. Where did you see the 480 as initial design? I never considered it in my panel and I I can only comment on my personal opinion as to the 480. I think it will die. It is based on nothing but guess work looking at their portfolio and product roadmap. Since I have the MX20, there is no need for the 480 IMHO. Best, Mike Do not archive _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Richardson Sent: Thursday, March 08, 2007 10:16 AM Subject: RE: AeroElectric-List: GPS antenna. Mike. I looked at the link showing your panel. Very nice. Quick question: I see your initial design was using the Garmin 480 GPS navigator, then you changed to the 430 GPS. Do you think Garmin will obsolete the 480 soon? John _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 08, 2007 3:39 AM Subject: RE: AeroElectric-List: GPS antenna. Yes this will work fine. I have 5 little hockey puck antennae's on my glare shield. (3GPS and 2 XM) 2 panel GPS's, and one 295 that my wife gets in the rear. One XM wx on the grt and one XM for radio. Photo on the Mirrors link on this page. http://www2.mstewart.net:8080/super8/index.htm It makes for short wire runs, light weight, and ease of service IF you have access panels. If you have more than one GPS antennae, they need to be several inches apart or you will get signal degradation between them, although they will work. Mike _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of B Tomm Sent: Wednesday, March 07, 2007 10:07 PM Subject: AeroElectric-List: GPS antenna. I assume a remote GPS antenna will work fine on my RV7 located on top of the glare shield but under the windshield. Is anybody operating with this configuration successfully (Garmin 296 or 396)? If so, which antenna are you using. Bevan http://www.matronics.com/Navigator?AeroElectric-List http://forums.matronics.com


    Message 9


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    Time: 10:35:48 AM PST US
    Subject: GPS antenna.
    From: "Stewart, Michael (ISS Atlanta)" <mike.stewart@us.ibm.com>
    No 480 there. A GRT center top in the panel.MX20 center bottom, ACS engine monitor bottom right. 430 on the top left. Mike _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Richardson Sent: Thursday, March 08, 2007 11:42 AM Subject: RE: AeroElectric-List: GPS antenna. I saw the 480 in the top picture at this link http://www2.mstewart.net:8080/super8/panel/index.htm I think your conclusion about Garmin's roadmap is correct. I happen to like the 480 and would like to see it stick around. Oh well. John _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 08, 2007 8:13 AM Subject: RE: AeroElectric-List: GPS antenna. Where did you see the 480 as initial design? I never considered it in my panel and I I can only comment on my personal opinion as to the 480. I think it will die. It is based on nothing but guess work looking at their portfolio and product roadmap. Since I have the MX20, there is no need for the 480 IMHO. Best, Mike Do not archive _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Richardson Sent: Thursday, March 08, 2007 10:16 AM Subject: RE: AeroElectric-List: GPS antenna. Mike. I looked at the link showing your panel. Very nice. Quick question: I see your initial design was using the Garmin 480 GPS navigator, then you changed to the 430 GPS. Do you think Garmin will obsolete the 480 soon? John _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 08, 2007 3:39 AM Subject: RE: AeroElectric-List: GPS antenna. Yes this will work fine. I have 5 little hockey puck antennae's on my glare shield. (3GPS and 2 XM) 2 panel GPS's, and one 295 that my wife gets in the rear. One XM wx on the grt and one XM for radio. Photo on the Mirrors link on this page. http://www2.mstewart.net:8080/super8/index.htm It makes for short wire runs, light weight, and ease of service IF you have access panels. If you have more than one GPS antennae, they need to be several inches apart or you will get signal degradation between them, although they will work. Mike _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of B Tomm Sent: Wednesday, March 07, 2007 10:07 PM Subject: AeroElectric-List: GPS antenna. I assume a remote GPS antenna will work fine on my RV7 located on top of the glare shield but under the windshield. Is anybody operating with this configuration successfully (Garmin 296 or 396)? If so, which antenna are you using. Bevan http://www.matronics.com/Navigator?AeroElectric-List http://forums.matronics.com


    Message 10


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    Time: 10:59:44 AM PST US
    From: "Bill Denton" <bdenton@bdenton.com>
    Subject: GPS antenna.
    Mike... In the "planning" picture at the top of the page there is a 480 between the airspeed indicator and the transponder. -----Original Message----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com]On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 8, 2007 12:33 PM Subject: RE: AeroElectric-List: GPS antenna. No 480 there. A GRT center top in the panel.MX20 center bottom, ACS engine monitor bottom right. 430 on the top left. Mike ---------------------------------------------------------------------------- ---- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Richardson Sent: Thursday, March 08, 2007 11:42 AM Subject: RE: AeroElectric-List: GPS antenna. I saw the 480 in the top picture at this link http://www2.mstewart.net:8080/super8/panel/index.htm I think your conclusion about Garmin's roadmap is correct. I happen to like the 480 and would like to see it stick around. Oh well. John ---------------------------------------------------------------------------- ---- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 08, 2007 8:13 AM Subject: RE: AeroElectric-List: GPS antenna. Where did you see the 480 as initial design? I never considered it in my panel and I I can only comment on my personal opinion as to the 480. I think it will die. It is based on nothing but guess work looking at their portfolio and product roadmap. Since I have the MX20, there is no need for the 480 IMHO. Best, Mike Do not archive ---------------------------------------------------------------------------- ---- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Richardson Sent: Thursday, March 08, 2007 10:16 AM Subject: RE: AeroElectric-List: GPS antenna. Mike. I looked at the link showing your panel. Very nice. Quick question: I see your initial design was using the Garmin 480 GPS navigator, then you changed to the 430 GPS. Do you think Garmin will obsolete the 480 soon? John ---------------------------------------------------------------------------- ---- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 08, 2007 3:39 AM Subject: RE: AeroElectric-List: GPS antenna. Yes this will work fine. I have 5 little hockey puck antennae's on my glare shield. (3GPS and 2 XM) 2 panel GPS's, and one 295 that my wife gets in the rear. One XM wx on the grt and one XM for radio. Photo on the Mirrors link on this page. http://www2.mstewart.net:8080/super8/index.htm It makes for short wire runs, light weight, and ease of service IF you have access panels. If you have more than one GPS antennae, they need to be several inches apart or you will get signal degradation between them, although they will work. Mike ---------------------------------------------------------------------------- ---- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of B Tomm Sent: Wednesday, March 07, 2007 10:07 PM Subject: AeroElectric-List: GPS antenna. I assume a remote GPS antenna will work fine on my RV7 located on top of the glare shield but under the windshield. Is anybody operating with this configuration successfully (Garmin 296 or 396)? If so, which antenna are you using. Bevan http://www.matronics.com/Navigator?AeroElectric-Listhttp://forums.matronics. com


    Message 11


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    Time: 11:46:05 AM PST US
    From: "Bret Smith" <smithhb@tds.net>
    Subject: Re: GPS antenna.
    Mike, John is correct, it IS a 480 on your proposed panel. You must have accidentally drug up the 480 thinking it was a 430. Bret ----- Original Message ----- From: Stewart, Michael (ISS Atlanta) To: aeroelectric-list@matronics.com Sent: Thursday, March 08, 2007 1:32 PM Subject: RE: AeroElectric-List: GPS antenna. No 480 there. A GRT center top in the panel.MX20 center bottom, ACS engine monitor bottom right. 430 on the top left. Mike ------------------------------------------------------------------------- ----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Richardson Sent: Thursday, March 08, 2007 11:42 AM To: aeroelectric-list@matronics.com Subject: RE: AeroElectric-List: GPS antenna. I saw the 480 in the top picture at this link http://www2.mstewart.net:8080/super8/panel/index.htm I think your conclusion about Garmin's roadmap is correct. I happen to like the 480 and would like to see it stick around. Oh well. John ------------------------------------------------------------------------- ----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 08, 2007 8:13 AM To: aeroelectric-list@matronics.com Subject: RE: AeroElectric-List: GPS antenna. Where did you see the 480 as initial design? I never considered it in my panel and I I can only comment on my personal opinion as to the 480. I think it will die. It is based on nothing but guess work looking at their portfolio and product roadmap. Since I have the MX20, there is no need for the 480 IMHO. Best, Mike Do not archive ------------------------------------------------------------------------- ----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Richardson Sent: Thursday, March 08, 2007 10:16 AM To: aeroelectric-list@matronics.com Subject: RE: AeroElectric-List: GPS antenna. Mike. I looked at the link showing your panel. Very nice. Quick question: I see your initial design was using the Garmin 480 GPS navigator, then you changed to the 430 GPS. Do you think Garmin will obsolete the 480 soon? John ------------------------------------------------------------------------- ----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stewart, Michael (ISS Atlanta) Sent: Thursday, March 08, 2007 3:39 AM To: aeroelectric-list@matronics.com Subject: RE: AeroElectric-List: GPS antenna. Yes this will work fine. I have 5 little hockey puck antennae's on my glare shield. (3GPS and 2 XM) 2 panel GPS's, and one 295 that my wife gets in the rear. One XM wx on the grt and one XM for radio. Photo on the Mirrors link on this page. http://www2.mstewart.net:8080/super8/index.htm It makes for short wire runs, light weight, and ease of service IF you have access panels. If you have more than one GPS antennae, they need to be several inches apart or you will get signal degradation between them, although they will work. Mike ------------------------------------------------------------------------- ----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of B Tomm Sent: Wednesday, March 07, 2007 10:07 PM To: aeroelectric-list@matronics.com Subject: AeroElectric-List: GPS antenna. I assume a remote GPS antenna will work fine on my RV7 located on top of the glare shield but under the windshield. Is anybody operating with this configuration successfully (Garmin 296 or 396)? If so, which antenna are you using. Bevan http://www.matronics.com/Navigator?AeroElectric-Listhttp://forums.matroni cs.com




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