Committee on Radio Astronomy Frequencies

Separation distances required for sharing

The calculations apply to frequencies between 0.7 GHz and 350 GHz

transmitting power level: (in dBW)
gain of transmitting antenna: (in dBi)
number of transmitters:
maximum permissible interference power: (in dBW)
gain of receiving antenna: (in dBi)
frequency: (in MHz)
bandwidth transmitter: (in MHz)
bandwidth receiver: (in MHz)
height of transmitter: (in meters)
height of receiver: (in meters)
percentage of time lost due to variable propagation:
elevation angle: (in o)
sea-level surface refractivity:
distance increment: (in km) (minimum value is 0.01 km)

Fill in and click to get results
or click reset to renew all parameters

Last modified: July 15, 2004