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MINIMUM SATELLITE CONSTELLATIONS FOR REDUNDANT EARTH COVERAGE

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: N/A
Agency Tracking Number: 9066
Amount: $65,354.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1988
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
1700 N Moore St - Ste 1920
Arlington, VA 22209
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 JOHN E DRAIM
 (703) 522-5123
Business Contact
Phone: () -
Research Institution
N/A
Abstract

IT IS PROPOSED THAT STA CONDUCT ADVANCED RESEARCH ON A CLASS OF SLIGHTLY TO MODERATELY ELLIPTIC HIGH ALTITUDE SATELLITE CONSTELLATIONS WHICH EXHIBIT EARTH COVERAGE STATISTICS SUPERIOR TO CONVENTIONAL CONSTELLATIONS WHICH EMPLOY MAINLY GEOSTATIONARY OR GEOSYNCHRONOUS, CIRCULAR ORBIT SATELLITES. THIS CLASS OF CONSTELLATION HAS ALREADY BEEN SHOWN BY THE PRINCIPAL INVESTIGATOR TO BE CAPABLE OF PROVIDING CONTINUOUS SINGLE HEMISPHERIC, SINGLE GLOBAL, AND DOUBLE GLOBAL EARTH COVERAGE WITH THREE, FOUR, AND SIX SATELLITE ARRAYS RESPECTIVELY. EACH ARRAY REPRESENTS A DECREASE IN NUMBERS OF SATELLITES REQUIRED OVER ANY PREVIOUSLY KNOWN ARRAYS. THE PROPOSED EFFORT WOULD EXTEND EARLIER WORK INTO THE AREA OF TRIPLE AND QUADRUPLE COVERAGE WITH THE MINIMUM NUMBERS OF SATELLITES. THE OUTPUT OF THIS EFFORT WILL BE AS FOLLOWS: A) A DESCRIPTION OF THE DESIGN METHODOLOGY AND TECHNIQUES USED BY THE PRINCIPAL INVESTIGATOR. B) STATEMENTS OF THEOREMS AND COROLLARIES DEVELOPED FOR REDUNDANT CONTINUOUS COVERAGE ARRAYS. C) EPHEMERIDES, OR ORBITAL PARAMETERS, FOR OPTIMAL ARRAY CONFIGURATIONS, IN TABULAR FORM. D) LIMITING VALUES ON INPUT ORBITAL PARAMETERS. THIS WILL CONSIST OF CONTOURS OR LIMIT LINES OUTSIDE WHICH THE COVERAGE CRITERIA CANNOT BE MET.

* Information listed above is at the time of submission. *

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