THE TPO WAS CALCULATED BASED ON THE FOLLOWING: ANTENNA POWER GAIN = 0.5 (NICOM BKG-77, 1 BAY, CIRCULARLY POLARIZED ANTENNA). 305' 1/2' FOAM TRANSMISSION LINE = 63.15% EFFICIENCY. AUTHORIZED ERP = 0.02 KW FINAL CALCULATION OF TPO = 0.02 KW AUTHORIZED ERP DIVIDED BY 0.5 ANTENNA POWER GAIN DIVIDED BY 63.15% LINE EFFICIENCY = 0.063 KW TRANSMITTER POWER OUTPUT.