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A VHF 3db gain antenna is installed on a 100 feet tower. The length of the coaxial feeder RG-213 is 250 feet. the output power of the radio set is 25 Watt. The radiating power was 1.5 to 2 watt measured before installation with same feeder legth. the communication range was extended fro 40 KM to 55 KM.
I want to extend the communication range more than 80 KMs. If I increase the power of both sets to 45 Watts each, than how much power will be lost in cable. It is not feasible to install a seperate tower near Communication Room.
Is there any formula to calculate the RF power loss in this regard.
Thanks
Iqbal
I want to extend the communication range more than 80 KMs. If I increase the power of both sets to 45 Watts each, than how much power will be lost in cable. It is not feasible to install a seperate tower near Communication Room.
Is there any formula to calculate the RF power loss in this regard.
Thanks
Iqbal