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mike(at)vision499.com
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BARRY CHECK 6
Joined: 15 Mar 2011
Posts: 738
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 Posted: Thu May 03, 2018 4:44 pm Post subject: Antenna Question |
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Mike:
Do you have the ability to bench check the configuration before instlation?
Manufactures usually ask for 36" to 48" separation between antennas. Â
The transponder has an output of 100 to 310 Watts. That is a lot of signal to handle when close to another antenna. Â
You can usually move the transponder antenna forward just ahead of the landing gear. May be difficult to do with a tail dagger??? But, the transponder is an output device not a receive device so noise is not an issue, so forward works well. The Comm antenna - Well, noise is an issue, separation is mandatory.
Barry
On Thu, May 3, 2018 at 6:47 PM, <mike(at)vision499.com (mike(at)vision499.com)> wrote:
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Â
Would it create a problem if the transponder and com antennas are close to each other?
Â
Thanks
Â
Mike
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alec(at)alecmyers.com
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| Posted: Thu May 03, 2018 5:19 pm Post subject: Antenna Question |
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Define “close”, and define “problem”.
COM radios and tranponders use very different frequency bands.
I don’t think you’re going to find anyone to guarantee no problems, but depending on what “close” means, my inexpert gut feeling it’s unlikely.
It’s possible that you might hear a faint ticking noise on the radio while the transponder is powered.
On May 3, 2018, at 6:47 PM, <mike(at)vision499.com> <mike(at)vision499.com> wrote:
Would it create a problem if the transponder and com antennas are close to each other?
Thanks
Mike
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