My ELT manual states that if the antenna is being used on an non metallic
surface, such as wood or fiberglass, A ground plane must also be installed. The
manual does not specify the diameter or size the ground plane should be. I have
looked through Tony Bingelis' books and have done a search on
In a message dated 5/23/04 2:08:47 PM Mountain Daylight Time,
flyk...@wi.rr.com writes:
<< I have looked through Tony Bingelis' books and have done a search on ELT
but have not found anything on ground plane size for an ELT antenna. Does
anyone have experience or suggestions? >>
If you th
Hello Mark
My ground plane is made of chicken wire and is stapled under the shelf,
behind my seat. It is directly below the com antenna. It measures 18" by
12", and works good. the reception seems normal. It is hard to compare
with other aircraft due to the lower power of the Com's that I have
>My ELT manual states that if the antenna is being used on an non metallic
>surface, such as wood or >fiberglass, A ground plane must also be installed.
>The manual does not specify the diameter or size the >ground plane should be.
Generally, a ground plane is 1/4 of the wavelength (or some ODD
>My ELT manual states that if the antenna is being used on an non metallic
surface, such as wood or fiberglass, A ground plane must also be installed.
The
>Mark Jones (N886MJ)
My main com antenna does not require a ground plane and wor
foil antenna with a baud (no ground plane required) - I ended up building
one and placing it in the inside surface of the turtledeck.
Rick Human
Houston, Texas
- Original Message -
From: "Mark Jones"
To: "KR Net"
Sent: Sunday, May 23, 2004 3:09 PM
Subject: KR> Gr
I want to put the antennas vertically in the rear of the fuselage,
except for the transponder which I will put under the pilot seat projecting
to the exterior. I am thinking alum disks would work, but have no idea as
to what size they would have to be. Any help or suggestions will be
apprecia
To make a Transponder antenna, make the radiating rod from an AN-4 bolt,
with the head removed. This bolt will be 2.65 inches from the tip to the
ground plane, and insulated from the ground plane.
Make the ground plane from .062 aluminum, 5.3 inches in diameter.
Attach the center conductor to
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