US PATENT SUBCLASS 342 / 357.14
.~.~.~.~ Combined with secondary navigation system (i.e., LORAN, gyroscope, inertial, dead reckoning, etc.)

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

350  DF  DIRECTIVE {10}
352  DF  .~ Including a satellite {6}
357.01  DF  .~.~ With position indicating {5}
357.06  DF  .~.~.~ Using Global Positioning Satellite (GPS or Glonass) {9}
357.14.~.~.~.~ Combined with secondary navigation system (i.e., LORAN, gyroscope, inertial, dead reckoning, etc.)

DEFINITION

Classification: 342/357.14

Combined with secondary navigation system (i.e., LORAN, gyroscope, inertial, dead reckoning, etc.):

Subject matter under 357.06 wherein the GPS determined position is combined or utilized in conjunction with alternate position-determining data from e.g., LORAN, gyroscope, inertial, and dead reckoning.