Station identification for a local area augmentation system...

Details Station identification for a local area augmentation system... Station identification for a local area augmentation system...

2005-09-27

2005-09-27

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Aircraft alarm or indicating systems

C340S948000, C340S951000, C342S035000

Reexamination Certificate

active

06950036

ABSTRACT:
An aircraft on-board system for communicating with a ground-based radio transmitter forming a part of a Local Area Augmentation System for aiding in the navigation and landing of the aircraft, comprising a radio receiver adapted to receive signals, including identification signals identifying the Local Area Augmentation System, from the ground-based radio transmitter, a controller coupled to the radio receiver having an entry device for entering the channel number of a desired ground-based radio station and for tuning the on-board radio receiver to a desired frequency and further receiving from the radio signals, including the identification signals, and further having a signaling mechanism for providing to an operator of the aircraft on-board system a message including the identification of the ground-based radio station.

REFERENCES:
patent: 5361212 (1994-11-01), Class et al.
patent: 5786773 (1998-07-01), Murphy
patent: 6119055 (2000-09-01), Richman
patent: 2002/0008641 (2002-01-01), Sample el al.
Satellite Operational Implementation Team (SOIT);“Local Area Augmentation System: LAAS Concept of Operations, Nov. 17, 1999;” ‘Online!’, Nov. 17, 1999, Section 3.6.2 “Tuning/Anunciation,” p. 10-11, Section 3.6.2.1 “LAAS Channel Assignments,” p. 11-12.

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