Automatic measurement of GPS cable delay time

Details Automatic measurement of GPS cable delay time Automatic measurement of GPS cable delay time

1997-06-05

1999-09-14

Chin, Stephen

Pulse or digital communications

Synchronizers

375356, 455 512, 342352, H04L 700

Patent

active

059533846

ABSTRACT:
A method and apparatus accurately synchronizes a communications equipment (101) to a precise 1 PPS signal (229) when the remote GPS equipment (112) and the communications equipment (101) are separated by a cable (110) of unknown length. Accordingly, integrity and precision of the 1 PPS timing signal is maintained when synchronizing the communications system.

REFERENCES:
patent: 4337463 (1982-06-01), Vangen
patent: 4926446 (1990-05-01), Grover et al.
patent: 5261118 (1993-11-01), Vanderspool
patent: 5280629 (1994-01-01), Lo Galbo
patent: 5289459 (1994-02-01), Brownlie
patent: 5469467 (1995-11-01), Vella-Coleiro
patent: 5483677 (1996-01-01), Brydon et al.
patent: 5510797 (1996-04-01), Abraham et al.

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