: A highly useful post/paper for understanding the system's "guts" is AREPS and TEMPER – Getting Familiar with these Powerful Propagation Software Tools. It compares AREPS with other models and explains its use of the "Parabolic Equation" method for calculating wave propagation.
: It calculates the probability of a radar detecting a target based on height, range, and bearing. Areps Free
: It evaluates UHF/VHF and HF communications, helping operators understand where signals might be blocked or enhanced by weather. : A highly useful post/paper for understanding the