Global positioning system (GPS) apparatus, namely, GPS RTK (real time kinetic) satellite navigational system for installation in, tracking, and control of construction machinery, excavating machinery, paving and milling machinery, and agricultural machinery, and for use in surveying, staking, BIM (Building Information Modeling), and mapping of job sites; GPS telecommunications base stations for interactive communication with GPS RTK (real time kinetic) rovers; downloadable software and firmware for use in operating GPS RTK (real time kinetic) rovers and GPS base stations, and for collecting, storing, analyzing, and reporting GPS RTK (real time kinetic) rover data; downloadable software for job estimating and bidding and for collection, storage, and management of data for field rovers and guided construction machinery; rotating lasers and laser levels not for medical purposes for surveying, staking, BIM (building information modeling), and mapping; surveying and engineering instruments, namely, total stations and robotic total stations for measuring
Electrical and Scientific Apparatus