9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, namely, receivers for satellites, emergency locator beacons, gyroscopes, theodolites; Blank magnetic data carriers; Blank recordable optical discs; Blank compact discs, blank DVDs and other blank digital storage media; computers and computer peripheral devices; Downloadable computer software for processing navigational data; electronic devices and downloadable computer software for recording, organizing, transmitting, manipulating, reviewing, and receiving data, including data relating to the position or movement of an object or person; Downloadable computer application software for smartphones and mobile devices for processing navigational data, calculating a position fix, providing a navigation solution in the fields of navigation and motion tracking; portable electronic devices, including such devices embedded in smart watches, bracelets and wristbands that communicate data to personal digital assistants, smart phones, and personal computers through internet websites and other computer and electronic communication networks; electronic devices and downloadable computer software for navigation, guidance, tracking, targeting and map making; electronic devices and downloadable computer software for calculating via dead reckoning, the position, orientation, and velocity of a moving object or person; inertial and directional navigational systems comprised of electronic navigational instruments and downloadable and recorded computer software for positioning, navigation and timing; accelerometers, gyroscopes and downloadable and recorded computer software for controlling, monitoring, and recording data from accelerometers and gyroscopes; electronic sensors for detecting motion, rotation and magnetic fields, and downloadable and recorded software for controlling, monitoring, and recording data from such sensors; wearable electronic sensors for detecting, measuring and tracking activity and motion; personal electronic devices used to track fitness goals and statistics; electronic sensors for scientific use to be worn by a human to gather human biometric data; structural replacement parts and fittings specially adapted for all of the aforesaid