Nautical electronic instruments and apparatus in this class, including navigational and depth sounding recording and displaying equipment and aids, marine electrical and electronic communications equipment, apparatus and instruments for locating or detecting purposes; computers and data processing equipment for navigational and communications purposes; global positioning satellite (GPS) based navigation receivers, in car navigation devices; gps receivers; portable GPS receivers; personal digital assistants (PDAs); personal digital assistants featuring GPS receivers; wireless communications devices; portable electronic exercise monitors featuring GPS receivers; navigation and communications electronics for aircraft, namely, avionics; and parts and fittings for all the aforesaid goods; data cartridges, CD-ROMs (compact disc- read only memories), and other electronic recording media containing digital maps; computer programs and software for navigational or communications purposes or for detection or location purposes; electronic mapping systems, electronic navigation systems, audio and video systems; computers, computing apparatus and instruments; computer peripherals including computer input and computer output apparatus and instruments including printers, computer terminals, monitors, keyboards, mouse, light pens and barcode readers, switching power suppliers for computers, and computer peripherals, add-on boards, networking devices for computers and computer peripherals; computer programs