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Center Independent Research & Development: GSFC IRAD

GPS Low Cross-polarization Antenna Array for Orbit Determination beyond Geostationary Earth Orbits

Active Technology Project

Project Introduction

This work will expand on the recent successes of Navigator on MMS, opening new and unforeseen possibilities for the use of GPS for very high-altitude applications up to 60 RE.

This effort will focus on evaluating potential antenna array configurations that could be used to improve satellite Global Positioning System (GPS) antenna gain, scanning range and pattern control. The goal is to produce a GPS high gain antenna with low back radiation and good cross-polarization discrimination that the GSFC Navigator could control to improve the received signal and extend the potential range for GPS use for orbit determination.

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Primary U.S. Work Locations and Key Partners

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Technology Maturity (TRL)

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