RADAR observations on rain clouds are being made at Cambridge, using a vertically directed beam with a half-width of 3° to half-power, a peak power of 40 kW. with a 1 µsec. pulse on a wave ...

The Echo Tops image shows the maximum height of precipitation echoes. The radar will not report echo tops below 5,000 feet or above 70,000 feet, and will only report those tops that are at a ...