US PATENT SUBCLASS 342 / 150
.~.~ With common IF channel

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

147  DF  DETERMINING DIRECTION {6}
149  DF  .~ Monopulse {5}
150.~.~ With common IF channel

DEFINITION

Classification: 342/150

With common if channel:

(under subclass 149) Subject matter wherein the signals for comparison share an IF channel.