On Friday, March 13, 2015 at 6:25:39 PM UTC-4, pcool wrote:

There is no other reason to change the protocol and not keep it backward
compatible.


There's at least one good reason to change and that's the update to stealth mode. New mode makes much more sense than old. No silly position/climb "degradation" of tactical info, simply eliminate tactical stuff symmetrically unless the gliders are "read each other's tail numbers" close.

Evan Ludeman / T8