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>S-band Doppler
>The S band is a designation by the Institute of Electrical and Electronics Engineers (IEEE) for a part of the microwave band of the electromagnetic spectrum covering frequencies from 2 to 4 gigahertz (GHz).
2-4 GHz... picrel
A microwave oven operates at 2.45 GHz or so.
It happens to be a good range for heating water vapour. So, if one needs a high-pressure system to suddenly develop...(I think you can fill in the details here).
