Apparatus and method for determining the position of a radiant e

Details Apparatus and method for determining the position of a radiant e Apparatus and method for determining the position of a radiant e

1977-03-24

1981-06-30

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 302

Patent

active

042765536

ABSTRACT:
The position of a terrestrial RF source is determined from a geostationary, synchronous satellite by scanning the beam of a narrow beam width antenna in first and second orthogonal directions over a region including the source. The peak level of energy transduced by the antenna in each of the scanning directions is detected and correlated with the scanning position of the beam by feeding the output of a detector responsive to the transduced signal to an indicator of an X-Y recorder. The X and Y axes of the recorder are scanned in synchronism with the beam being respectively scanned in the first and second directions to form X and Y traces on which are indicated the detected peak position in each of the scanning directions. The source position is determined from an intersection of lines drawn parallel to the X and Y axes and including the detected peak position of each trace.

REFERENCES:
patent: 3364484 (1968-01-01), Best
patent: 3392448 (1968-07-01), Rock

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