Super-refraction and ducting

Practical example:

Evaluating potential interference from a terrestrial station into an earth station sharing the same frequency.

Recommendation P.452

“Prediction procedure for ….microwave interference….”

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• As a specific example where super-refractivity and/or ducting is taken into account in system planning, take again the case of sharing between two stations on the Earth’s surface – namely a terrestrial station (of a microwave link) and an earth station.

• As mentioned earlier, Rec. P.452 addresses all potential propagation mechanisms that could occur, of which super-refractivity would likely be the dominant one in this case.