Downloadable or recorded computer software for calculating correction factors for use with global navigation satellite systems (GNSS); downloadable or recorded computer software for real-time position mapping, quality control, visualization of satellite locations, real-time tide estimation, and coverage mapping for use with global navigation satellite systems; navigation and positioning quality control downloadable or recorded software; downloadable or recorded computer software for generating maps; downloadable or recorded computer software for providing map, navigation and positioning information and data via a communications network; downloadable or recorded computer software for providing map, navigation and positioning information and data via a wireless navigation device; navigation and positioning system electronic apparatus and instruments; navigational and positional apparatus and equipment, namely, GNSS receivers of electronic signals, transceivers, antennas, integrated circuits, data processors, and integrated mobile units in the nature of sensors for determining position; marine and land based navigational and positional apparatus and equipment, namely, GNSS receivers of electronic signals, transceivers, antennas, integrated circuits, data processors, and integrated mobile units in the nature of electric sensors for determining position and/or for use in navigation; satellite communications apparatus and equipment, namely, GNSS receivers of electronic signals, transceivers, antennas, integrated circuits, data processors, and integrated mobile units in the nature of electric sensors for determining position and/or for use in navigation; global positioning systems (GPS) and differential global positioning systems (DGPS); global navigation satellite systems (GNSS), electronic instruments and apparatus; satellite positioning systems, namely, a global positioning system (GPS); satellite positioning electronic instruments and apparatus; satellite and radio transmission, receiving and processing systems, namely, satellite-aided navigation systems; satellite and radio transmission, receiving and processing apparatus and instruments, namely, receivers, transceivers, antennas, integrated circuits, data processors, integrated mobile units; computers and data processing equipment for navigational, positional and communications purposes; satellite and HF radio antennas; satellite and radio signal modulators and demodulators; interface kits for interfacing between satellite and HF radio antennas, and satellite and radio signal modulators and demodulators containing satellite receivers, antennas, electrical adapters, radios, modulators, demodulator; replacement parts and fittings for the foregoing; accessories for the foregoing, namely, GNSS receivers of electronic signals, transceivers, antennas, integrated circuits, data processors, and integrated mobile units in the nature of electric sensors for determining position and/or for use in navigation

Data broadcast services, namely, broadcast of information by means of satellites, for the purpose of enhancing accuracy, reliability and integrity of precise navigation and positioning; rental of telecommunication apparatus; GPS and DGPS augmentation services, namely, providing enhanced and improved electronic transmission of positioning, navigation, and timing GNSS data; satellite transmission of the provision of differential GPS corrections; provision of a communications network for the transmission of map, navigation and position information and data; information, advisory, and consultancy services relating to the foregoing

GPS and GNSS navigation services; GPS and GNSS navigation services provided via a communications network or a wireless navigation device; positional services, namely, GPS and GNSS navigational services; positional services provided via a communications network or a wireless navigation device, namely, GPS and GNSS navigational services; information, advisory, and consultancy services relating to the foregoing

Helpdesk services relating to navigational and positional services, data broadcast services, GPS and DGPS augmentation services, and provision of a communications network