dlj04(at)josephson.com
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 Posted: Tue Jun 25, 2013 12:20 am Post subject: AeroElectric-List Digest: 5 Msgs - 06/24/13 |
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| Quote: | From: Chuck Birdsall<cbirdsall6(at)cox.net>
Subject: ELT antenna location
I'm putting a 406MHz ELT (ACK E-04) in my Piper Cherokee in place of
dead OE Narco.
One of the statements in the installation manual - and in other
references such as AC43.13-2 and antenna manufacturers - says that the
ELT antenna should be at least 36 inches from a Com antenna. Key word:
Should.
(snip)
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| Quote: |
So the questions are:
Am I going to have to move the Com 2 antenna?
What are the risk factors if I leave the antenna locations as they are?
My suggestion is that it will be just fine, assuming that you use the
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antenna supplied with the E-04. The comm will be affected just as it was
with the other ELT antenna there, or maybe a little less. The ELT
radiation pattern will be affected, but I would think only slightly, and
not at all on 406 MHz. The only risk factor I can think of is that there
might be a little more potential for intermodulation if you are
transmitting on Com 2 while the ELT is transmitting, but that's a highly
unlikely scenario.
--
David Josephson
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