azimuth unit
61Identification friend or foe — An IFF Test Set used for testing transponders on aircraft …
62MS Mariner of the Seas — Mariner of the Seas at San Juan, Puerto Rico in April 2008. Career Name: Marine …
63Mark XIV bomb sight — The Mk. XIVA sighting head, which would be mounted in the front of the aircraft and connected to the computor by the cables coiled up on the left. The main features are the gyrostabilizer in the large cylinder, and the collimator on the moving… …
64Stereographic projection — In geometry, the stereographic projection is a particular mapping (function) that projects a sphere onto a plane. The projection is defined on the entire sphere, except at one point mdash; the projection point. Where it is defined, the mapping is …
65Riemann sphere — The Riemann sphere can be visualized as the complex number plane wrapped around a sphere (by some form of stereographic projection – details are given below). In mathematics, the Riemann sphere (or extended complex plane), named after the 19th… …
66NEYRPIC ACS 450 — is a satellite tracking system designed, manufactured and distributed by Alstom. It is destined to be mounted on all parabolic antennas covering frequencies from L to Ku band, for tracking geostationary satellites in a stable or inclined orbit.… …
67Betamax — Infobox media name = Betamax logo = caption = type = Video recording media encoding = Magnetic tape capacity = read = write = standard = owner = Sony use = Video storage extended from = extended to =Betamax is a home videocassette tape recording… …
68Gimbal lock — occurs when the axes of two of the three gimbals needed to compensate for rotations in three dimensional space are driven to the same direction. For example, assume a level sensing platform on an aircraft flying due north has its three gimbal… …
69HAL Tejas — infobox Aircraft name =Tejas type =Multirole fighter manufacturer =Aeronautical Development Agency Hindustan Aeronautics Limited caption = Pair of Tejas flying in formation designer = first flight =4 January 2001 introduction =Planned by 2010/11… …
70Air traffic control radar beacon system — The air traffic control radar beacon system (ATCRBS) is a system used in air traffic control (ATC) to enhance radar monitoring and separation of air traffic. ATCRBS assists ATC radars by acquiring information about the aircraft being monitored,… …
