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+keyword:(GPS)
The dependence of WAAS ionospheric error bounds upon the spatial distribution of GPS measurements
An assessment and comparison of WAAS ionosheric correction algorithms in CONUS and Europe
Lower-troposphere sounding with GPS occultation: challenges and progress
Lower troposphere sounding with GPS occultation: challenges and progress
A database of upper air temperature from GPS radio occultations
A database of upper air temperatures from GPS radio-occultations
Improved resolution and accuracy of temperature retrievals from GPS occultations
Inversion methods for GPS occultations
A Prototype WADGPS System for Real Time Sub-Meter Positioning Worldwide