Richard, my mode S transponder and it's predecessor has
always worked well with a Bob Archer aerial mounted
vertically on the plywood tower that confines the tail
plane counterweight. It is a small flat aerial without a
ground plane, as I recall.
Regards, David
Richard Iddon <riddon@sent.com> wrote:
><riddon@sent.com>
>
>>> I am planning to fit a Mode S transponder. My current
>>>setup is a Microair T2000 which has worked OK but
>>>occasionally ground stations report no signal so I would
>>>like to look at improving my aerial setup at the same
>>>time. I plan to upgrade the coax from RG58 to RG400. My
>>>current ground plane is an aluminium plate about 8in
>>>diameter, half moon shape with a lip which is fixed
>>>behind the baggage bay bulkhead.
>>>
>>> Suggestions for improvement from those with more
>>>knowledge on the black art of radio waves?
>>>
>>> Richard Iddon
>>>
>>> G-RIXS
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