US PATENT SUBCLASS 701 / 215
.~.~.~.~ Having multiple GPS antennas or receivers (e.g., differential GPS)

Current as of: June, 1999
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701 /   HD   DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION

200  DF  NAVIGATION {8}
207  DF  .~ Employing position determining equipment {8}
213  DF  .~.~ Using Global Positioning System (GPS) {1}
214  DF  .~.~.~ Means to improve accuracy of position or location {2}
215.~.~.~.~ Having multiple GPS antennas or receivers (e.g., differential GPS)

DEFINITION

Classification: 701/215

Having multiple GPS antennas or receivers (e.g., differential GPS):

(under subclass 214) Method of correcting position data having a plurality of devices to collect information from satellites associated with a world wide navigational system.