1–20 of 891 hits
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    Positional Accuracy of Portable GPS Devices during Different Ride Conditions

    Desai, Elvis / Vega, Henry / Suway, Jeffrey et al. | SAE Technical Papers | 2022
    Keywords: Global positioning systems (GPS)

    A new ionospheric model for wide area differential GPS: the multiple shell approach

    Komjathy, A. / Wilson, B. D. / Runge, T. F. et al. | NTRS | 2002
    Keywords: GPS WADGPS total electron content ionosphere validation modeling

      A new ionospheric model for wide area differential GPS: the multiple shell approach

      Komjathy, A. / Wilson, B. D. / Runge, T. F. et al. | NTRS | 2002
      Keywords: Global Positioning System (GPS)

    FAA – NASA PNT* Workshop

    W. Ryan / L. Herlihy | NTIS | 2022
    Keywords: Gps , Positioning navigation timing

    Le système d'identification automatique de véhicule

    Rigaud, Gérard / Emonet, Marc / Bourguet, Bruno | IuD Bahn | 1999
    Keywords: GPS = Global Positioning System

    Finding the flaw

    Wanek-Libman, Mischa | IuD Bahn | 2010
    Keywords: GPS = Global Positioning System

    Interoperability Issues in the Use of Satellite-Based Navigation Systems for Civil Aviation Purposes

    M. Costilla | NTIS | 1989
    Keywords: Global positioning system , GLONASS Navigation System , NAVSTAR Global Positioning System

    M/W challenges: C&S

    Wanek-Libman, Mischa | IuD Bahn | 2011
    Keywords: GPS = Global Positioning System

    FAA – NASA PNT* Workshop

    Wes Ryan / Lannie Herlihy | NTRS
    Keywords: GPS , Positioning Navigation Timing

    Stepping up rail-flaw detection

    Wanek-Libman, Mischa | IuD Bahn | 2012
    Keywords: GPS = Global Positioning System

    NASA Update: GNSS Space Service Volume Providers' Forum

    J. J. Miller / J. Parker | NTIS | 2018
    Keywords: Global positioning system

    Constructing a Transportation Service Platform through Integrating GPS and Optimized Dispatching Mechanism

    Chueh, Hao En / Kao, Chang Yi / Fahn, Chin Shyurng | Trans Tech Publications | 2011
    Keywords: Global Positioning System (GPS)

    Finding flaws along the rail

    Nunez, Jennifer | IuD Bahn | 2013
    Keywords: GPS = Global Positioning System

    Parallel operated loading using a spatial descriptive model

    Happich, Georg / Lang, Thorsten / Harms, Hans-Heinrich | Tema Archive | 2010
    Keywords: GPS (Global Positioning System)

    Development and Application of an Enhanced Kalman Filter and Global Positioning System Error-Correction Approach for Improved Map-Matching

    Xu, Hao / Liu, Hongchao / Tan, Chin-Woo et al. | Taylor & Francis Verlag | 2010
    Keywords: Global Positioning System , vehicle navigation system

    M/W challenges: Advances in Rail measurement

    Dickey, Jim / Cinquini, Anthony | IuD Bahn | 2013
    Keywords: GPS = Global Positioning System

    Interface Standard, Miniature Mission Store Interface

    SAE Technical Papers | 2023
    Keywords: Global positioning systems (GPS)

    New Frontiers in Space Use of GNSS: Moon and Beyond

    Parker, Joel J. K. | NTRS | 2019
    Keywords: Global Positioning System GLONASS

    Soccorso in linea ad un cantiere di rinnovo del binario

    Pizzurro, Andrea | IuD Bahn | 2010
    Keywords: GPS = Global Positioning System

    International GPS Service: life without SA

    Neilan, R. E. / Moore, A. / Springer, T. et al. | NTRS | 2000
    Keywords: International GPS Service global positioning system