To calculate Effective Radiated Power (ERP) with known transmission variables:
Transmitter Output Power :
W or kW
Frequency :
MHz
Transmission Line Type :
LMR 400
LMR 600
LMR 900
LMR 1200
LMR 1700
1/2" Foam Heliax
5/8" Foam Heliax
7/8" Foam Heliax
1-1/4" Foam Heliax
1-5/8" Foam Heliax
2-1/4" Foam Heliax
Transmission Line Length :
Feet
Antenna Gain :
dBd
=
W or kW
