Boots – shoes – and leggings
Patent
1980-06-16
1982-06-15
Gruber, Felix D.
Boots, shoes, and leggings
364450, 73178R, G06F 1520, G06F 1550
Patent
active
043354335
ABSTRACT:
In a satellite navigation system for an ocean vessel, a major source of error is unknown ocean currents when the navigation is done by dead-reckoning with respect to the waters. The present method for determining and correcting for ocean navigation error which is caused by unknown ocean currents provides a highly accurate position of the vessel with respect to the earth. The position error reflects not only the difference between a dead-reckoned position and a satellite fix position which up-dates the dead-reckoned position but also accounts for the motion of the vessel due to the ocean currents during the time between the satellite lock-on and the actual error computation and correction.
REFERENCES:
patent: 3111670 (1963-11-01), Gaudillere
patent: 3453624 (1969-07-01), Rockey
patent: 3588478 (1971-06-01), Anthony
patent: 3630079 (1971-12-01), Hughes et al.
patent: 3906204 (1975-09-01), Rigdon et al.
patent: 3941984 (1976-03-01), Chappell et al.
patent: 4144571 (1979-03-01), Webber
patent: 4253149 (1981-02-01), Cunningham et al.
"Satellite Navigation"--published in American Practical Navigator in 1977 the Defense Mapping Agency, Hydrographic Center pp. 1019-1065.
"Satellite Fix Computation Subroutine SFIX"--published in Technical Report T6-1273, entitled AN/5RN-19(XN-1) Radio Navigation Set, vol. 2, in Sep. 1975, pp. 93-142.
Bauer Russell H.
Heidkamp Madeleine
Branning A. L.
Chin Gary
Gruber Felix D.
Sciascia R. S.
The United States of America as represented by the Secretary of
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