Updating an en-route Tacan navigation system to a precision land

Details Updating an en-route Tacan navigation system to a precision land Updating an en-route Tacan navigation system to a precision land

1977-07-27

1979-07-24

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 914

Patent

active

041624955

ABSTRACT:
High accuracy distance measurements are achieved with a low accuracy Tacan set by utilizing signals available within the Tacan set at a point of sufficient accuracy to provide accurate distance measurements to be made and thus upgrade an en-route navigation aid to higher accuracy for use in a precision landing system.

REFERENCES:
patent: 3900850 (1975-08-01), Ulman et al.
patent: 3936823 (1976-02-01), Weber
patent: 3969616 (1976-07-01), Mimken
patent: 4010465 (1977-03-01), Dodington et al.
patent: 4040054 (1977-08-01), Overman

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