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gmcjetpilot
Joined: 04 Nov 2006
Posts: 170
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 Posted: Mon May 05, 2008 10:57 am Post subject: Comm Antenna (ACK ELT RFI issue) |
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Change the length and / or the routing of the ACK ELT phone line, from panel switch to unit.
Yes a shielded wire cable would probably do it. Personally I didn't like the telephone wire in my plane and fab'ed a 22awg cable, twisting the wires together. Before that I few with the standard phone line and did not have an RFI issue. I made the change to make it more durable. For what it's worth, my new Artex ELT uses discrete wires to connect the panel control/indicator to ELT unit. G
Be a better friend, newshound, and [quote][b]
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Mark Phillips in TN
Joined: 10 Jan 2006
Posts: 431
Location: Columbia, TN
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| Posted: Mon May 05, 2008 5:18 pm Post subject: Comm Antenna (ACK ELT RFI issue) |
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In a message dated 05/05/2008 2:00:10 PM Central Daylight Time, gmcjetpilot(at)yahoo.com writes:
| Quote: | | Change the length and / or the routing of the ACK ELT phone line, from panel switch to unit. |
>>>
On a tangent, the ACKs I've installed in RVs have remote cables MUCH longer than needed. I simply coiled the extra up and ty-wrapped near the ELT without difficulty. If done likewise in a composite a/c and the coil were in close proximity to the antagonist, might this cause the activation by acting like a transformer secondary amplifying com signal leakage? Is there any excess cable bundled near the com coax or antenna?
Mark
Wondering what's for Dinner Tonight? Get new twists on family favorites at AOL Food.
[quote][b]
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