Airborne weather radar operates at 9.375 GHz in order to be able to detect water droplets of the size associated with particular types of hazardous cloud. This puts it in the SHFSHF —Super High Frequency band.

Non-aviation people have a particular name for this frequency of radiation: microwaves. These are the same microwaves that you use to heat food and, if not careful, can have exactly the same effect on the liquids inside people.

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Why should the AWR be off or in standby mode when on the ground?
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