Microcomputer-controlled portable satellite signal simulator for

Details Microcomputer-controlled portable satellite signal simulator for Microcomputer-controlled portable satellite signal simulator for

1979-05-09

1982-01-12

Atkinson, Charles E.

Boots, shoes, and leggings

364459, 364449, 343100ST, 434111, G06F 1550

Patent

active

043108849

ABSTRACT:
In accordance with the invention, satellite navigation, receiver system of an exploration system for exploring for hydrocarbons in earth formations can be tested for fieldworthiness using a portable microcomputer-controlled satellite navigation simulator. From encoded inputs of local latitude, longitude, Greenwich mean time and antenna height, both array data parameters and real-time control signals are generated for simulating signals of an orbiting TRANSIT navigation satellite vis-a-vis the satellite navigation receiver system. To such system the received signals are indistinguishable from conventional TRANSIT satellite navigation signals. Result: by merely cross-checking simulator "turn-key" encoded data with the final computed fix, a technologist (who need not be a programming expert) can determine the fieldworthiness of the satellite navigation receiver system.

REFERENCES:
patent: 3191176 (1965-06-01), Guier
patent: 3887794 (1975-06-01), Katz et al.
patent: 3906204 (1975-09-01), Rigdon et al.
patent: 4028536 (1977-06-01), Woodward

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