REFLECTOR: Fw: ELT installation

[Alex Balic]

I was wanting to do something similar in mine- the ELT came with the whip,
which also apparently includes a loading coil at the base, so I didn't want
to substitute a copper foil for the emitter portion.  Also, the instructions
clearly state that the antenna needs to be no more than 30 degrees from
vertical for proper operation- I will try to make as large as possible
aluminum plate ground plane and mount in approximately the same position, I
just need to clear my retract mechanism., but want the mount to be robust so
if it is ever needed, it will still be in one piece..

 

From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Brett Ferrell
Sent: Wednesday, December 14, 2011 8:33 AM
To: Velocity Aircraft Owners and Builders list; ""
Subject: Re: REFLECTOR: Fw: ELT installation

 

I made a small ground plane for my 406 (Artex), and it works flawlessly. I
accidentally triggered it in my closed hangar and the USAF was on my cell
phone in about 10 seconds. Brett
<http://www.velocityxl.com/attachment.php?attachmentid=4849&d=1276866122> 



	
-------Original Message-------
From: Douglas Holub 
To: reflector at tvbf.org
Subject: REFLECTOR: Fw: ELT installation
Sent: 14 Dec '11 08:51

 

----- Original Message ----- 

From: Douglas Holub <mailto:douglas.holub at gmail.com>  

To: Velocity Aircraft Owners and Builders list <mailto:reflector at tvbf.org>  

Sent: Thursday, March 10, 2011 9:54 AM

Subject: Re: REFLECTOR: ELT installation

 

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 <mailto:sturm615 at msn.com>  

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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