Universal contour chart of elevation and azimuth angles of parab

Details Universal contour chart of elevation and azimuth angles of parab Universal contour chart of elevation and azimuth angles of parab

1985-09-12

1988-02-16

Grieb, William H.

Education and demonstration

Geography

Map or terrain model

33 1CC, 283 34, G09B 2900

Patent

active

047252367

ABSTRACT:
This invention refers to a universal contour chart that allows to read the values of the elevation and azimuth angles that the parabolic antenna of an earth station must have so that it can receive and/or transmit television, telephony or data signals from and/or towards any artificial satellite in geostationary orbit. The invention is of easy operation and very practical, and consists of a geographical map of the world over which slides or displaces a separate transparent sheet that contains the printed angle contours.

REFERENCES:
patent: 2314353 (1943-03-01), Jasperson
patent: 2494536 (1950-01-01), Atwood
patent: 3133352 (1964-05-01), Jasperson
patent: 3535790 (1970-10-01), Gray
patent: 3634939 (1972-01-01), Sorem
patent: 4304554 (1981-12-01), Slayden

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