1–20 of 23 hits
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    Development of an Interoperable GNSS Space Service Volume

    Parker, Joel J. / Bauer, Frank H. / Ashman, Benjamin W. et al. | NTRS | 2018
    Keywords: Global

    Recent Advances in Ionospheric Specific Specifications and New Applications Using GNSS Measurements

    Komjathy, Attila / Butala, Mark / Pi, Xiaoqing et al. | NTRS | 2012
    Keywords: Global Navigation Satellite System (GNSS) , Global Assimilative Ionosphere Model (GAIM)

    The international GPS service tracking network: enabling diverse studies and projects through international cooperation

    Moore, A. / Neilan, R. | NTRS | 2003
    Keywords: GPS global network reference network

    TDRSS Augmentation System for Satellites

    Heckler, Gregory W. / Gramling, Cheryl / Valdez, Jennifer et al. | NTRS | 2016
    Keywords: Global Positioning System

    Addressing the Influence of Space Weather on Airline Navigation

    Sparks, Lawrence | NTRS | 2012
    Keywords: Global Positioning System (GPS)

    GPS Operations in High Earth Orbit Recent - Experiences and Future Opportunities

    Ashman, Benjamin / Bauer, Frank / Parker, Joel et al. | NTRS | 2018
    Keywords: Global Positioning System

    GPS Operations in High Earth Orbit: Recent Experiences and Future Opportunities

    Ashman, Benjamin W. / Bauer, Frank H. / Parker, Joel J. K. et al. | NTRS | 2018
    Keywords: Global Positioning System

    Satellite Constellations for Atmospheric Sounding with GPS: A Revolution in Atmospheric and Ionospheric Research

    Yunck, T. P. / McCleese, D. J. / Melbourne, W. G. et al. | NTRS | 1995
    Keywords: Global Positioning System GPS Atmospheric Science Ionosphere

    Combined Global Navigation Satellite Systems in the Space Service Volume

    Force, Dale A. / Miller, James J. | NTRS | 2015
    Keywords: Global Positioning Service

    Individual Global Navigation Satellite Systems in the Space Service Volume

    Force, Dale A. | NTRS | 2015
    Keywords: Global Positioning Service

    NASA's global differential GPS system and the TDRSS augmentation service for satellites

    Bar-Sever, Yoaz / Young, Larry / Stocklin, Frank et al. | NTRS | 2004
    Keywords: Global Postitioning Satellite (GPS)

    TriG: Next Generation Scalable Spaceborne GNSS Receiver

    Tien, Jeffrey Y. / Okihiro, Brian Bachman / Esterhuizen, Stephan X. et al. | NTRS | 2012
    Keywords: Global Navigation Satellite Systems (GNSS)

    Use and Protection of GPS Sidelobe Signals for Enhanced Navigation Performance in High Earth Orbit

    Parker, Joel J. K. / Valdez, Jennifer E. / Bauer, Frank H. et al. | NTRS | 2016
    Keywords: Global Positioning System

    GPS Based Attitude Determination for Spacecraft: System Engineering Design Study and Ground Testbed Results

    Breckenridge, William / Craymer, Loring / Sevaston, George E. | NTRS | 1996
    Keywords: global

    A Deployable 4 Meter 180 to 680 GHz Antenna for the Scanning Microwave Limb Sounder

    Cofield, Richard / Agnes, Gregory / Stek, Paul et al. | NTRS | 2011
    Keywords: Global Atmospheric Composition Mission (GACM)

    The Spaceborne Imaging Radar-C, X-Band Synthetic Aperture radar (SIR-C/X-SAR) Mission Overview

    Evans, D. L. / Stofan, E. R. / Farr, T. et al. | NTRS | 1994
    Keywords: SIR-C/X-SAR global environment radar interferometry

    SATS: Small, Automated Tracking System - - Elements of a Better System for Satellite Tracking and Telemetry

    Srinivasan, Jeffrey M. / Lichten, Stephen M. / Haines, Bruce J. et al. | NTRS | 1994
    Keywords: GPS Global Positioning System navigation spacecraft orbits data communication