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Antennae Install

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trigo(at)mail.telepac.pt
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Posted: Mon Dec 31, 2012 11:15 am Post subject: Antennae Install

Carl  



Where exactly in your RV-10 belly did you install the antennae? Below the

front seats? Below the feet of the rear passengers?



Thanks

Carlos

  



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rnewman(at)tcwtech.com
Guest

Posted: Mon Dec 31, 2012 11:53 am Post subject: Antennae Install

Carl,   On my -10,    my two bent whip com antennas are under the rear 

passenger seats,  my ADS-b UAT  blade antenna is about 3 feet back from the 

rear baggage bulkhead,   my transponder antenna is about 1 foot back from 

the firewall and pops up into the tunnel.



My 3 gps antennas are mounted to a metal plate about 8 inch wide and 12 

inches long,  this plate of antennas is hidden in my overhead console, with 

the antennas looking through fiberglass top.  (note I took signal strength 

readings with this plate of antennas inside the aircraft as described and 

out of the aircraft with no fiberglass between the antennas and the 

satellites, absolutely no change in signal strengths)



Bob Newman

N541RV

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carl.froehlich(at)verizon
Guest

Posted: Mon Dec 31, 2012 12:11 pm Post subject: Antennae Install

The transponder antenna is below the passenger's seat.  Both communication

antennas are mounted below the tunnel (but along the side edges of the

tunnel, one left and one right).  One just aft of the mid bell crank and the

second one is mounted just aft of the rear seats.  The are both positioned

on the sides of the tunnel to preclude interference with the elevator push

tubes.  The ADSB blade antenna is mounted aft of the baggage compartment.  I

pick this location as I am mounting the ADSB receiver back there with it

(Dynon unit), and it places it well away from the transponder antenna.  All

locations allow for access to the antennas for maintenance or replacement.



Mounting antennas in areas like below the rear passenger's feet or seats is

a problem as you will not have access to them - unless of course you add

some access panels.



Carl



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rleffler

Joined: 05 Nov 2006
Posts: 680

Posted: Mon Dec 31, 2012 12:43 pm Post subject: Antennae Install

My antenna on the bottom are very similar to Bob's.  I also have a nav antenna under the tail.  I have two gps antenna just behind the cabin cover and another two on the glare shield.



Sent from my iPad



On Dec 31, 2012, at 2:53 PM, "bob-tcw" <rnewman(at)tcwtech.com> wrote:



[quote] 

 

 Carl,   On my -10,    my two bent whip com antennas are under the rear passenger seats,  my ADS-b UAT  blade antenna is about 3 feet back from the rear baggage bulkhead,   my transponder antenna is about 1 foot back from the firewall and pops up into the tunnel.

 

 My 3 gps antennas are mounted to a metal plate about 8 inch wide and 12 inches long,  this plate of antennas is hidden in my overhead console, with the antennas looking through fiberglass top.  (note I took signal strength readings with this plate of antennas inside the aircraft as described and out of the aircraft with no fiberglass between the antennas and the satellites, absolutely no change in signal strengths)

 

 Bob Newman

 N541RV

 

 

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Bob Leffler
N410BL - Phase I
http://mykitlog.com/rleffler

Bob Turner

Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA

Posted: Mon Dec 31, 2012 2:30 pm Post subject: Re: Antennae Install

Transponder under pilot seat. Com under passenger seat (yes, this is best done before installing the seat pan. I put a doubler with nutplates, and ran the coax, before closing it up.). GPS antenna behind the baggage bulkhead, on top of the tailcone. Archer wingtip for VOR/ LOC.



Putting the GPS on top of the cabin looked best to me from a reception point of view, but worst as far as drag is concerned. Comments?



Once in a while I have trouble with ATC when I am on the ground using the belly antenna. For those times my #2 com antenna, an Archer clone in the other wing tip, works better. In the air the belly whip is better.

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Bob Turner
RV-10 QB

bill.peyton

Joined: 19 Sep 2010
Posts: 198
Location: St. Louis, MO

Posted: Tue Jan 01, 2013 7:37 am Post subject: Re: Antennae Install

Comm 1 on top of fuse behind baggage bulkhead with doubler, comm 2 bottom under baggage floor with doubler.  I did this for good communication on ground since I am mostly at towered airports. I located an Archer nav antenna in each wing tip, and the MB antenna is in the left wing tip. Both GPS and GPS/Xm antennas are centered on top of cabin cover.  Xponder under pilot seat, ADSB is 2ft. behind baggage bulkhead.

I can not complain about drag, I am still seeing 177kts (at)75% TAS

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Bill
WA0SYV
Aviation Partners, LLC

johngoodman

Joined: 18 Sep 2006
Posts: 530
Location: GA

Posted: Wed Jan 02, 2013 7:06 am Post subject: Re: Antennae Install

Comm 1 and Comm 2 on the belly under the rear seats - I've never had a reception problem on the ground. Transponder on the belly a couple of feet behind the baggage bulkhead. Archer Nav ant in the wingtip along with an archer MB. Seems to work fine, although I've never found a marker beacon to fly over, yet.

Garmin GPS on roof, and GRT GPS on glareshield. Both work fine, but only the Garmin does lose the signal in certain areas for a few seconds - avoid Senoia Georgia (g). 406 ELT on top, just aft of baggage bulkhead - you don't even notice it.

Saving the space under the pilot seats for the ADS-B shark fin. Used 400U for all antenna runs.

John

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