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    A modified carrier-to-code leveling method for retrieving ionospheric observables and detecting short-term temporal variability of receiver differential code biases

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    Access Status
    Open access
    Authors
    Zhang, B.
    Teunissen, Peter
    Yuan, Y.
    Zhang, X.
    Li, M.
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Zhang, B. and Teunissen, P. and Yuan, Y. and Zhang, X. and Li, M. 2018. A modified carrier-to-code leveling method for retrieving ionospheric observables and detecting short-term temporal variability of receiver differential code biases. Journal of Geodesy. 93 (1): pp. 19-28.
    Source Title
    Journal of Geodesy
    DOI
    10.1007/s00190-018-1135-1
    ISSN
    0949-7714
    School
    School of Earth and Planetary Sciences (EPS)
    Remarks

    The final publication is available at Springer via http://doi.org/10.1007/s00190-018-1135-1

    URI
    http://hdl.handle.net/20.500.11937/67728
    Collection
    • Curtin Research Publications
    Abstract

    Sensing the ionosphere with the global positioning system involves two sequential tasks, namely the ionospheric observable retrieval and the ionospheric parameter estimation. A prominent source of error has long been identified as short-term variability in receiver differential code bias (rDCB). We modify the carrier-to-code leveling (CCL), a method commonly used to accomplish the first task, through assuming rDCB to be unlinked in time. Aside from the ionospheric observables, which are affected by, among others, the rDCB at one reference epoch, the Modified CCL (MCCL) can also provide the rDCB offsets with respect to the reference epoch as by-products. Two consequences arise. First, MCCL is capable of excluding the effects of time-varying rDCB from the ionospheric observables, which, in turn, improves the quality of ionospheric parameters of interest. Second, MCCL has significant potential as a means to detect between-epoch fluctuations experienced by rDCB of a single receiver.

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