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...Facilities development manual wisconsin department of transportation chapter surveying and mapping section real time kinematic rtk surveys fdm introduction march overview this attempts to provide practical procedures methods for using global navigation satellite system gnss obtain consistent results performed by the terms gps positioning are often used interchangeably but each these has its own unique meaning is an all inclusive term describe a from any country or region while refers specifically navstar united states run defense most common systems glonass russia galileo european union beidou china qzss japan in past was synonymous with form based because period only available civilian applications will use rather than very good general observation tool determining survey coordinates horizontal vertical point some types such as pavement matches bridge decks require more specific e g total station that should not be stated accuracies achievable proper techniques described following pag...