Assertion: weather radar | /r/CapableOf | measure speed
Facets:
value: as an example
type: MANNER
value: reliably
type: MANNER
Source sentences:
text: As an example, a Doppler weather radar with a pulse rate of 2 kHz and transmit frequency of 1 GHz can reliably measure weather speed up to at most 150 m/s (340 mph), thus cannot reliably determine radial velocity of aircraft moving 1,000 m/s (2,200 mph).