From the analysis of the United States Navy navigation satellite system (NNSS) positioning data of about 10000 passes, it is clearly found that polar ionospheric disturbance affects the positioning. The positioning error increases with increasing geomagnetic disturbance level (local K-index), and the pass number of position fixes decreases by one or two per day when the K-index is large. These effects may arise from the spatial gradients of electron density and/or the radio wave scattering due to well-developed ionospheric irregularities inherent to the disturbed auroral ionosphere.<>
Polar ionospheric disturbance effects on NNSS satellite positioning
IEEE Transactions on Aerospace and Electronic Systems ; 24 , 4 ; 360-365
01.07.1988
487896 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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