This is a picture of the 'Coordinate
To Distance' dialog window. It performs a calculation of the distance between
2 given positions. The positions can be given in either degrees, or in
decimal form. When changing the mode of the positions, the dialog will
perform a decimal-to-degree conversion and vice versa.
This dialog calculates the attenuation
inflicted by atmospheric gases.

This dialog calculates the attenuation
caused by rain.
This dialog calculates the unavailabilty
of a single struture.