CENTRIC

Radio navigation equipment for aircrafts, namely, localizers, glide scope indicators, marker radio beacons, non-directional radio beacons, very high frequency omni-range transmitters, doppler very high frequency omnidirectional range transmitters, portable instrument landing receivers and signal analyzers, distance measuring transmitters and receivers for measuring the slant range distances of aircraft from navigational transmitters, kits consisting primarily of solid-state transmitters, radio frequency generators, amplifiers, and electrical power supplies, meters and computers for performing in-flight evaluations of ground-based navigational transmitters, liquid crystal displays, digital panel instruments, and circuit boards

Manufacture of radio navigation equipment for aircrafts to order and/or specification of others, namely, localizers, glide scope indicators, marker radio beacons, non-directional radio beacons, very high frequency omni-range transmitters, doppler very high frequency omnidirectional range transmitters, portable instrument landing receivers and signal analyzers, distance measuring transmitters and receivers for measuring the slant range distances of aircraft from navigational transmitters, kits consisting primarily of solid-state transmitters, radio frequency generators, amplifiers, and electrical power supplies, meters and computers for performing in-flight evaluations of ground-based navigational transmitters, liquid crystal displays, digital panel instruments, and circuit boards