Loran receiving apparatus

Details Loran receiving apparatus Loran receiving apparatus

1978-09-20

1980-07-22

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 124

Patent

active

042142458

ABSTRACT:
A Loran receiving apparatus is repeatedly switched by the actuation of a display mode changeover means between the state of displaying a plurality of measured time differences on a display in a sequential order and the state of continuously displaying only one of the measured time differences. A Loran signal detector detects a phase code of an incoming Loran signal. The detected phase code is stored in N memory parts, each corresponding to the Loran signal repetition period. Coincidence of the outputs from the memory parts is detected as the presence of a correct Loran signal.

REFERENCES:
patent: 3263231 (1966-07-01), Smith et al.
patent: 3806933 (1974-04-01), De Vaul
patent: 3868691 (1975-02-01), Miller et al.

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