Re: AE Co-ax

[Graham Singleton <grasingleton@avnet.co.uk>]

>I have not seen the Archer transponder aerial but if it is similar to most
>other transponder aerials (ie 1/4 wavelength) it will require a groundplane
>in a composite aircraft. 

It isn't. It's a half wave dipole, so no ground plane is required and I
guess the radiation pattern is much better for that reason.

Ours is mounted inside the fuselage a couple of feet behind the flap cross
tube and seems to work very well.

Graham