Method and apparatus are provided for the tactical navigation and communication of a community of aircraft. Each of the aircraft in the community is provided with an inertial navigation system capable of providing accurate short term navigational information and a time synchronized ranging system capable of providing accurate long term navigational information. One of the aircraft is designated as the airborne control unit and establishes a relative grid coordinate system within which the community of aircraft operate. The origin of the relative grid is established by the airborne control unit. When stationary ground time synchronized ranging system units are present, highly accurate georeferenced information may be supplied to the airborne control unit by operation of its time synchronized ranging system. When such ground units are not present, accurate georeferenced information may be obtained by the airborne controller from navigational systems such as satellite, Loran or Omega systems. The remaining or 'user' aircraft in the community determine their position in the relative grid by interrogating the airborne control unit with their time synchronized ranging systems.
Tactical Navigation and Communication System
1972
33 pages
Report
No indication
English
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