On Tuesday, July 30, 2019 at 9:25:46 AM UTC-5, wrote:
I would choose ADSB over PowerFlarm now, for a glider and a towplane.

Yeah, right, I'm not holding my breath for all those club gliders to get ADS-B out! PF is the way to go for gliders; of course ideally, tow planes should have both.

Kirk