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Transponder and/or ADSB Antenna Installation and Radiation

 
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nuckolls.bob(at)aeroelect
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PostPosted: Wed Jul 22, 2020 8:19 pm    Post subject: Transponder and/or ADSB Antenna Installation and Radiation Reply with quote

Quote:

So the questions are:

-Is the ground plane better to be square/ round/ or hexagon/ or some other shape?

Why not eliminate the need for ground planes with
vertically polarized dipoles mounted to inside surfaces
of empannage?

https://tinyurl.com/y3w4hf8y


Quote:
-If the diameter of the ground plane cannot be exactly a square and the same dimension as indicated on the installation guide what is the problem(s) with it being slightly to wide or slightly too narrow than spec, or if the antenna is not installed in the exact center?

ditch the ground planes


Quote:
-The book says the two antennae should be mounted at least two feet from each other so what if they were installed closer…or even co-located on the same ground plane?

Mount one on left side forward, the other
right side aft. Getting separation shouldn't
be a problem.


Quote:
-What about mounting these masts near human body parts (ouch)?

-What about mounting these masts near other avionics or other electrical equipment?

back in the tail?


Bob . . .


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billhuntersemail(at)gmail
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PostPosted: Fri Jul 24, 2020 6:20 pm    Post subject: Transponder and/or ADSB Antenna Installation and Radiation Reply with quote

Thanks Bob for the information…greatly appreciated.

From: owner-aeroelectric-list-server(at)matronics.com <owner-aeroelectric-list-server(at)matronics.com> On Behalf Of Robert L. Nuckolls, III
Sent: Wednesday, July 22, 2020 9:17 PM
To: aeroelectric-list(at)matronics.com
Subject: Re: Transponder and/or ADSB Antenna Installation and Radiation
Quote:


So the questions are:

-Is the ground plane better to be square/ round/ or hexagon/ or some other shape?


Why not eliminate the need for ground planes with
vertically polarized dipoles mounted to inside surfaces
of empannage?

https://tinyurl.com/y3w4hf8y
Quote:

-If the diameter of the ground plane cannot be exactly a square and the same dimension as indicated on the installation guide what is the problem(s) with it being slightly to wide or slightly too narrow than spec, or if the antenna is not installed in the exact center?


ditch the ground planes

Quote:

-The book says the two antennae should be mounted at least two feet from each other so what if they were installed closer…or even co-located on the same ground plane?


Mount one on left side forward, the other
right side aft. Getting separation shouldn't
be a problem.

Quote:

-What about mounting these masts near human body parts (ouch)?

-What about mounting these masts near other avionics or other electrical equipment?


back in the tail?

Bob . . .


- The Matronics AeroElectric-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?AeroElectric-List
Back to top
billhuntersemail(at)gmail
Guest





PostPosted: Sun Jul 26, 2020 6:52 am    Post subject: Transponder and/or ADSB Antenna Installation and Radiation Reply with quote

Thanks Bob for the information…greatly appreciated.

From: owner-aeroelectric-list-server(at)matronics.com <owner-aeroelectric-list-server(at)matronics.com> On Behalf Of Robert L. Nuckolls, III
Sent: Wednesday, July 22, 2020 9:17 PM
To: aeroelectric-list(at)matronics.com
Subject: Re: Transponder and/or ADSB Antenna Installation and Radiation
Quote:


So the questions are:

-Is the ground plane better to be square/ round/ or hexagon/ or some other shape?


Why not eliminate the need for ground planes with
vertically polarized dipoles mounted to inside surfaces
of empannage?

https://tinyurl.com/y3w4hf8y
Quote:

-If the diameter of the ground plane cannot be exactly a square and the same dimension as indicated on the installation guide what is the problem(s) with it being slightly to wide or slightly too narrow than spec, or if the antenna is not installed in the exact center?


ditch the ground planes

Quote:

-The book says the two antennae should be mounted at least two feet from each other so what if they were installed closer…or even co-located on the same ground plane?


Mount one on left side forward, the other
right side aft. Getting separation shouldn't
be a problem.

Quote:

-What about mounting these masts near human body parts (ouch)?

-What about mounting these masts near other avionics or other electrical equipment?


back in the tail?

Bob . . .


- The Matronics AeroElectric-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?AeroElectric-List
Back to top
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