Mode S will give you more than traffic, in an IFR world..
but The Mode S is only the conduit.. you need the parts to display the data
on..
and they have not set it up for a pda yet..

not good for a glider
BT

"Roger" wrote in message
oups.com...

S mode gives you traffic and is wonderful if you fly where there is
other transpoder equiped aircraft. It has been very useful to me in
general aviation.

On Nov 4, 2:32 pm, "Tom N." wrote:
Any opinions? I plan to install a new Becker transponder in my ASW-28.
Should I go with the old mode C unit or pay extra for the new mode S
unit? Thanks.