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6 Result(s)

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  1. No Access

    Article

    Multi-GNSS satellite clock estimation constrained with oscillator noise model in the existence of data discontinuity

    During the past years, real-time precise point positioning has been proven to be an efficient tool in the applications of navigation, precise orbit determination of LEO as well as earthquake and tsunami early ...

    Chuang Shi, Shiwei Guo, Shengfeng Gu, **nhao Yang, **aopeng Gong… in Journal of Geodesy (2019)

  2. No Access

    Article

    Ionospheric map** functions based on electron density fields

    We develop an ionospheric map** function (MF) for the global navigation satellite system (GNSS) which is based on the electron density field derived from the international reference ionosphere (IRI). The sta...

    Florian Zus, Zhiguo Deng, Stefan Heise, Jens Wickert in GPS Solutions (2017)

  3. No Access

    Article

    Improving the modeling of the atmospheric delay in the data analysis of the Intensive VLBI sessions and the impact on the UT1 estimates

    The very long baseline interferometry (VLBI) Intensive sessions are typically 1-h and single-baseline VLBI sessions, specifically designed to yield low-latency estimates of UT1-UTC. In this work, we investigat...

    Tobias Nilsson, Benedikt Soja, Kyriakos Balidakis, Maria Karbon… in Journal of Geodesy (2017)

  4. No Access

    Chapter and Conference Paper

    GFZ Global Multi-GNSS Network and Data Processing Results

    The Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences (GFZ) is operating a worldwide Global Navigation Satellite Systems (GNSS) station network since many years. With recent developments in r...

    Maik Uhlemann, Gerd Gendt, Markus Ramatschi, Zhiguo Deng in IAG 150 Years (2016)

  5. No Access

    Chapter and Conference Paper

    Status of the IGS-TIGA Tide Gauge Data Reprocessing at GFZ

    The International GNSS Service (IGS) Tide Gauge Benchmark Monitoring Working Group (TIGA-WG) is responsible for analyzing GNSS data from stations at or near tide gauges (TG) on a preferably continuous basis an...

    Zhiguo Deng, Gerd Gendt, Tilo Schöne in IAG 150 Years (2016)

  6. Article

    Open Access

    Tropospheric delay determination by Kalman filtering VLBI data

    The troposphere is one of the most important error sources for space geodetic techniques relying on radio signals. Since it is not possible to model the wet part of the tropospheric delay with sufficient accur...

    Benedikt Soja, Tobias Nilsson, Maria Karbon, Florian Zus… in Earth, Planets and Space (2015)

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