US PATENT SUBCLASS 342 / 173
.~ By monitoring

Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

165  DF  TESTING OR CALIBRATING OF RADAR SYSTEM {5}
173.~ By monitoring {1}
174  DF  .~.~> Calibrating

DEFINITION

Classification: 342/173

By monitoring:

(under subclass 165) Subject matter including means to observe the performance characteristics of the radar apparatus under test.