SBIR/STTR Research Award

SWITCHED HEMISPHERICAL ANTENNA

Award identifier 387c4618f95f40986b3740eab1904eed23f48118f9c0122eee49576af4502f96Awarding agency National Aeronautics and Space Administration

Award amount

$50,000

Program and phase

SBIR · Phase I

Award year

1988

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Award details

Awarding agency
National Aeronautics and Space Administration
Branch
Not reported
Recipient company
Technical research Associates, Inc.
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

TRA PROPOSES THE DEVELOPMENT OF A SWITCHED HEMISPHERICAL ANTENNA FOR USE ON THE STS, SPACE STATIONS AND SATELLITES. THE ANTENNA HAS THE ABILITY TO SCAN OVER 2 PI STERADIANS, SAMPLE SIGNAL STRENGTH FROM A BEACON AND ROUTE DATA TO THE APPROPRIATE SECTOR. THE ON-BOARD COMPUTER MAY BE INTERFACEDTO AN INERTIAL REFERENCE FRAME ALLOWING THE CONTROLLER TO COMPENSATE FOR SATELLITE SPIN. TWO SUCH ANTENNAS WILL ALLOW4 PI STERADIAN COVERAGE. THE GAIN OF AN INDIVIDUAL UNIT ANTENNA WILL BE APPROXIMATELY 15 DB AND THE SYSTEM WILL SUPPORT CIRCULAR POLARIZATION. BECAUSE THE ANTENNA WILL BE UNDER SOFTWARE CONTROL DIVERSE AND FLEXIBLE OPERATION IS POSSIBLE. A SIMILAR SYSTEM HAS APPLICATION AS A ROOF MOUNTED GROUND VEHICLE TO SATELLITE ANTENNA, ABLE TO COMPENSATE FOR VEHICLE OR SATELLITE MOTION. THE PROPOSED ANTENNA WILL OPERATE IN THE KU BAND.

Technology keywords

Not reported

Agency intelligence

National Aeronautics and Space Administration

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