a global navigation satellite system or gnss receiver in a hard case prior to being set up. real-time kinematic or rtk geodetic

gnss rtk global navigation satellite system surveying terrestrial realtime kinematic geodetic field outdoor asian asia philippines antenna accuracy setup install technology technical work professional profession operations equipment device tool gps receiver connection process land signal position geolocation information accurate digital site mobile measure plot tripod data machine electronic floor hardcase box ground hard case prior set real-time used vehicle wheel bumper car electronics gadget iron tire engine multimedia yellow