VHF/UHF TV Line of Sight Calculator
Tv reception at sea is dependent on line of sight.
When the horizon or curvature of the
earth comes between the TV
Transmitter and the Ship's receiving antenna, the signal is
First select feet or meteres and then input the antenna heights above
sea level. The predicted reception range will show in miles or KM as
you select. Note that more powerful TV transmitters can extend this
range by about 20 pct due to scatter effect!