Name four characteristics of the natural environment, with at least one each from the air, ground, and space environments, which could affect the propagation of an electromagnetic signal from the transmitter to the receiver, and describe the nature of the effect. For each of the four natural environmental characteristics named in the answer to part a, provide a rationale for whether its effect on electromagnetic signal propagation would be constant over the entire execution of a simulation that simulates 24 hours of real-time operation, or would vary with time during the simulation execution.

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Four Natural Environmental Characteristics Affecting Electromagnetic Signal Propagation 1 Air Humidi... View the full answer