Trans-horizon navigation system

Details Trans-horizon navigation system Trans-horizon navigation system

1977-11-02

1978-08-15

Moskowitz, Nelson

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 13R, 343100CL, G01S 956, G01S 904

Patent

active

041076761

ABSTRACT:
A trans-horizon navigation system wherein a predetermined sequence of control pulses is phase-encoded onto an RF carrier for transmission from a first transceiver to a second transceiver, the second transceiver including a correlator which provides an output pulse in response to detecting the sequence of control pulses in a received transmission. An improved AGC circuit configuration is also disclosed.

REFERENCES:
patent: 3553691 (1971-01-01), Lassiter
patent: 3875517 (1975-04-01), Dilley
patent: 3875571 (1975-04-01), Davis, Jr. et al.
patent: 3969725 (1976-07-01), Couvillon et al.

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