On Tue, 29 Aug 2006 23:34:27 -0400, Doug Vetter wrote:

The FAA is continuing to invest in Mode-S radars (the ASR-11 is replacing
the ASR 7, 8, and 9 units that currently support TIS), so an investment in
the airborne component is still a wise move and will be for MANY years.

Aside from TIS, what is the benefit (either to the pilot or ATC) of mode S?

- Andrew