REFLECTOR: ELT installation
Douglas Holub
douglas.holub at gmail.com
Thu Mar 10 08:54:38 CST 2011
A 1/2 wave dipole antenna is commonly used. For 406 MHz, 468/406 = 1.15 feet total length, or each leg about 7 inches long. You can make a dipole antenna with a piece of coax and copper foil tape. I mounted my 121.5 MHz ELT on the side of the fuselage near the main spar. Picture attached.
Doug Holub
Standard FG, 130 hrs
----- Original Message -----
From: MARK STURM
To: reflector at tvbf.org
Sent: Wednesday, March 09, 2011 10:01 PM
Subject: REFLECTOR: ELT installation
Alll
I'm installing a new 406 ELT. It comes with a 14" whip antenna that I'd naturally like to mount inside, out of the wind. The manual calls for building a ground plane with metallic tape, forming 6-8 radials of 24" each. I'd sure like to know 1) where are others mounting their ELT antenna, and 2) where could you possibly form a 48" diameter ground plane inside the aircraft? Other options? Thanks in advance.
Mark
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