For the 2016 ARRL Phone Sweepstakes, K7IR used three SteppIR Antennas (of course):
Tower 1:
SteppIR DB-42 @ 72 feet
SteppIR 4 element Yagi @ 37 feet
Tower Trailer:
SteppIR DB-32 @ 86 feet
Operators were K7IR, WA7IR, K7XH, N7QT, K7BTW, and N9ADG
All new antennas ordered with an OptimizIR 2.0 controller will be shipped with a loaner SDA 100 until the OptimizIR 2.0 is ready to ship in 8 weeks from 8/15/23.