ERP = 8.5KW ANTENNA GAIN= 2.42 @ 94.1MHZ ANTENNA INPUT= 3.512 385FT, ERI 4 RIGID COAX (0.071DB LOSS/ 100FT)=0.273DB=93.9% EFFICIENCY 4' COAX INPUT = 3.74KW 45FT. ANDREW HJ8-50B 3'HELIAX(0.137DB/100FT)=0.062DB= 99.1% EFFICIENCY 3.8KW TPO TO COAX IF NO COMBINER. WHEN COMBINER IS USED: ADD 0.45DB LOSS = 4.2KW TPO TO COMBINER