At the core of the PPS GPS-S system is TAGs rugged tablet GPS receiver, the TC-301 TAG Commander. The TC-301 integrates both military GPS and civilian GNSS receivers, advanced Real-Time Kinematic (RTK) signal processing technology, a miniature military grade wireless radio, and an Intel embedded low power multi-core processor. All housed inside a rugged tablet that includes a 7 touchscreen display, and dual hot-swappable long-life batteries. The high-precision, military GPS receiver provides GPS signal assurance, and security with enhanced signal rejection capabilities. The advanced integrated radio, and RTK technology provides corrections for centimeter-level real-time positioning accuracy. In stationary mode, and utilizing post-processing software, PPS GPS-S delivers millimeter-level accuracy. PPS GPS-S features Carlson SurvPC Mil, a powerful commercial survey software for RTK survey systems, and Total Stations that have been customized for TAGs GPS controller.