Electronic direction finder

Details Electronic direction finder Electronic direction finder

G - Physics

01

S

G01S 5/06 (2006.01) G01C 17/30 (2006.01) G01S 5/14 (2006.01)

Patent

CA 2079160

ELECTRONIC DIRECTION FINDER Abstract of the Disclosure An electronic direction finder (10), having a housing (11) with a major axis (18), has a GPS receiver (28) and directional (31) and omnidirectional (30) antennas and provides an electrical signal (angle A) indicative of the direction of the housing axis (18) with respect to a predetermined compass heading (North). The electrical signal (angle A) is provided by using determined positions of the GPS receiver (28) and one GPS satellite to calculate a compass bearing from the receiver (28) to the one satellite and using the directional antenna (31) to determine the orientation of the housing axis (18) with respect to the satellite. This eliminates using electrical output terrestrial magnetism sensing devices to sense direction finder/receiver orientation with respect to compass direction, and therefore avoids the inaccuracies and costs associated with such magnetism sensing devices.

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