Colorado Electronic Product Design - Analog / Digital Design, Telecommunications, DSP, Embedded Systems

VHF/UHF Line of Sight Calculator

Enter a height for each antenna and click "Calculate". This will be the distance at which these two antennas still have line of sight. It does not take into account the loss of power over the given distance, there is a calculator for that farther down the page.

Height of Antenna 1 feet
Height of Antenna 2 feet
Transmission Distance Miles

Convert Watts to dBm or dBm to Watts

Enter the power value, select the expected power type and click "Calculate".

Watts
dBm

Line of sight signal path loss for VHF

Select the variable you wish to find, fill in the other values, and click "Calculate".

Transmitter Power dBm
Transmitter Frequency MHz
Transmission Distance Miles
Received Power dBm

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