Communications: electrical – Vehicle position indication
Patent
1995-03-07
1997-03-04
Hofsass, Jeffery
Communications: electrical
Vehicle position indication
340947, 364428, 364429, 342357, 342358, 244114R, G08G 1123
Patent
active
056083939
ABSTRACT:
A differential ground station repeater in which a plurality of transmitters are utilized to relay information to an aircraft from a single ground station situated to receive satellite information and to transmit the satellite and other information to the plurality of correction transmitters in which the transmitters utilize a single frequency but transmit at different described sub-time slots so that the aircraft may utilize the signal of any of the transmitters it may be receiving signals.
REFERENCES:
patent: 4083009 (1978-04-01), Bickford et al.
patent: 4809005 (1989-02-01), Counselman, III
patent: 4894655 (1990-01-01), Joguet et al.
patent: 5359521 (1994-10-01), Kyrtsos et al.
patent: 5361212 (1994-11-01), Class et al.
patent: 5438337 (1995-08-01), Aguado
FAA Document revised May 10, 1994, Subject: Revision of Appendix F . . . RTCA/DO-217.
Hofsass Jeffery
Honeywell Inc.
Lee Benjamin C.
Ungemach Charles J.
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