ORDER-OF-MAGNITUDE IMPROVEMENT IN SHORT BASELINE, PRECISION SATELLITE GEODESY

Award Information
Agency: National Science Foundation
Branch: N/A
Contract: N/A
Agency Tracking Number: 7636
Amount: $40,000.00
Phase: Phase I
Program: SBIR
Awards Year: 1987
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Steinbrecher Corpon
185 New Boston St, Woburn, MA, 01801
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 SERGEI A GOUREVITCH
 (617) 935-8460
Business Contact
Phone: () -
Research Institution
N/A
Abstract
AT THE PRESENT TIME, COMMERCIALLY AVAILABLE GEODESY INSTRU- MENTS, E.G., THE MACROMETER(TM) INTERFEROMETRIC SURVEYING SYSTEM, ARE CAPABLE OF MEASURING BASELINES OF ONE KILOMETEROR LESS TO THREE-DIMENSIONAL ACCURACIES OF APPROXIMATELY 3 MM. THESE INSTRUMENTS USE SIGNALS OF THE NAVSTAR GLOBAL POSITIONING SYSTEM (GPS) SATELLITES WHICH BROADCAST IN THE ONE-TO-TWO GHZ FREQUENCY RANGE. MULTIPATH INTERFERENCE IS THE PRIMARY CAUSE OF SHORT BASELINE MEASUREMENT UNCERTAIN- TY WHICH IS THERFORE INVERSELY PROPORTIONAL TO SIGNAL FRE- QUENCY . STEINBRECHER CORPORATION PROPOSES TO INVESTIGATE THE FEASIBILITY OF GREATLY INCREASING THE ACCURACY OF SHORT BASELINE VECTOR MEASUREMENTS BY RECEIVING SIGNALS FROM MIL- LIMETER-WAVE SATELLITES AS WELL AS THOSE FROM THE GPS. THE PROPOSED PHASE I OBJECTIVE IS TO DEVELOP DATA REDUCTION AL- RITHMS FOR SIMULATING REALISTIC MEASUREMENT SCENARIOS WITH THE GOAL OF ACHIEVING 100 MICROMETER THREE-DIMENSIONAL AC- CURACY ON BASELINES UP TO ONE KILOMETER LONG. EXPERIMENTAL INSTRUMENTATION WOULD BE CONSTRUCTED AND TESTED DURING PHASE II. THE PHASE I EFFORT WOULD BUILD ON STEINBRECHE CORPORATION'S PIONEERING DEVELOPMENT EFFORTS WHICH HAVE ES- TABLISHED THE CURRENT STATE OF THE ART OF PRECISION SATEL- LITE-BASED GEODESY. MACROMETER (TM) IS A TRADEMARK OF AERO SERVICE DIVISION, WESTERN GEOPHYSICAL CORPORATION OF AMERICAHOUSTON, TEXAS.

* information listed above is at the time of submission.

Agency Micro-sites

SBA logo
Department of Agriculture logo
Department of Commerce logo
Department of Defense logo
Department of Education logo
Department of Energy logo
Department of Health and Human Services logo
Department of Homeland Security logo
Department of Transportation logo
Environmental Protection Agency logo
National Aeronautics and Space Administration logo
National Science Foundation logo
US Flag An Official Website of the United States Government