US PATENT SUBCLASS 455 / 430
.~.~.~ Ground station control

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

403  DF  RADIOTELEPHONE SYSTEM {12}
422  DF  .~ Zoned or cellular telephone system {14}
427  DF  .~.~ Space satellite {3}
430.~.~.~ Ground station control

DEFINITION

Classification: 455/430

Ground station control:

(under subclass 427) Subject matter including an earth based station for monitoring and controlling the communication relay operations of the space satellite.