On May 18, 2008, at 11:09 AM, Gary Glaenzer wrote: > what kind of power do they run ? 570 is notified at 70 kW into an 83 degree stick, 311 mV/m/kW at 1 km. That's about the same as 51,665 watts into a minimum conforming Class A stick, or about the same as 85,744 watts into a minimum conforming Class B stick.