What frequency is used for ground to air?

Most Common Aviation Frequencies and Allocations

Frequency	Allocation
118.000 – 121.950 MHz	Air Traffic Control (Towers and ARTCC’s)
121.3 MHz	Ground
121.7 MHz	Ground
121.9 MHz	Ground

What frequency is allocated by the FCC commercial AM transmission?

Currently only frequency bands between 9 kHz and 275 GHz have been allocated (i.e., designated for use by one or more terrestrial or space radiocommunication services or the radio astronomy service under specified conditions).

What frequency do helicopters use?

123.025 MHz
Use of air to air frequencies for aircraft and helicopters. In the FCC rules 47 CFR 87.187(j) it states: The frequency 122.750 MHz is authorized for use by private fixed wing aircraft for air-air communications. The frequency 123.025 MHz is authorized for use by helicopters for air-air communications.

How far will a 25 Watt VHF 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.

What frequency are police radios on?

Public Safety Spectrum

Frequency	MHz Available for Public Safety
25-50 MHz (VHF Low Band)	6.3 MHz
150-174 MHz (VHF High Band)	3.6 MHz [non-contiguous]
220-222 (220 MHz band)	0.1 MHz
450-470 (UHF Band)	3.7 MHz [non-contiguous]

What is the frequency for channel 1?

Old FRS/GMRS Channel Table

Common Channel	Frequency	FRS Bandwidth
01	462.5625	12.5 kHz
02	462.5875	12.5 kHz
03	462.6125	12.5 kHz
04	462.6375	12.5 kHz