RADAR stands for RAdio Detecting And Ranging and as indicated by the name, it is based on the use of radio waves . Radars send out electromagnetic waves similar to wireless computer networks and mobile phones.
Read moreWhat wavelength is weather radar?
The National Weather Service (NWS) uses S band radars on a wavelength of just over 10 cm . The drawback to this band of radar is that it requires a large antenna dish and a large motor to power it. It is not uncommon for a S band dish to exceed 25 feet in size.
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