Articles | Volume 9, issue 3
Atmos. Meas. Tech., 9, 1303–1312, 2016
https://doi.org/10.5194/amt-9-1303-2016
Atmos. Meas. Tech., 9, 1303–1312, 2016
https://doi.org/10.5194/amt-9-1303-2016

Research article 30 Mar 2016

Research article | 30 Mar 2016

Statistical framework for estimating GNSS bias

Juha Vierinen et al.

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Short summary
We present a statistical framework for estimating GNSS receiver bias by using a weighted linear least squares of independent differences (WLLSID) model to examine differences of a large number of TEC measurements. This allows a consistent way for treating elevation-dependent model errors and spatiotemporal distance-dependent geophysical differences arising in ionospheric GNSS measurements. The method is also applicable to other GNSS system than GPS, supporting, e.g., GLONASS.