A new carrier phase-based monitor is developed to instantaneously detect two-dimensional ionospheric gradients. In order to detect gradients at satellite acquisition, it is necessary for ground-based fault detection to rely directly on instantaneous ground facility measurements. The paper proposes a new monitor (termed the null space monitor) by combining measurements from multiple, spatially separated ground antennas through a null space transformation. In addition, comparison results with previously published monitors show that the null space monitor covers the largest possible range of detectable ionospheric gradients.


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    Title :

    Carrier phase null space monitor for ionospheric gradient detection


    Contributors:


    Publication date :

    2014-10-01


    Size :

    899151 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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