On Saturday, March 14, 2015 at 4:04:58 PM UTC-4, kirk.stant wrote:

And with the paucity of Flarms in the US glider fleet, it really will be a while before this interesting evolution of Flarm impacts the general US gliding world. I do expect it to become a big player at US contests, where Flarm is pretty much mandatory.

Kirk

"mandatory" where did you read that Kirk? That is not true.