Very high frequency Frequency range30 MHz to 300 MHzWavelength range10 to 1 mVery high frequency – Wikipedia en.wikipedia.org › wiki › Very_high_frequency
Read moreHow far can a 25 watt radio transmit?
For example, a 25-watt marine radio will roughly have a maximum range of 60 nautical miles (111 km) between antennas mounted on tall ships, but that same radio will only have a range of 5 nautical miles (9 km) between antennas mounted on small boats at sea level.
Read moreIs 25 watts enough for ham radio?
Bottom line is that unless you’re in a place where the remote receivers are 25 miles apart, a 25 watt radio would probably do the job , so 50 watts is not going to be a handicap. The 100 watters could make a difference on simplex, but only in the fringe areas and then under specific circumstances.
Read moreHow far does VHF transmit?
A typical VHF station operates at about 100,000 watts and has a coverage radius range of about 60 miles .13 Ağu 2020
Read moreHow is VHF range calculated?
To calculate VHF range, you may want to use this formula: VHF Range = 1.33 × (√H-aircraft + √H-gs) . Where: VHF Range in nautical miles, H-aircraft is the altitude of the aircraft in feet and H-gs is the height of the ground station antenna in feet.
Read moreHow far can a 50 watt radio transmit?
They assume a 5 watt handheld, 50 watt mobile, 5/8 wave mobile antenna with 6 dB gain and 5/8 wave, 6dB gain omnidirectional base antenna at 50′. Urban Environment – Around 1/2 – 1 mile from handheld to handheld, up to 2 miles mobile to handheld, and up to 5 miles or more, base to mobile, with base antenna at 50′.
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