Results 131 to 140 of about 5,434 (212)

Tropospheric range error parameters: Further studies [PDF]

open access: yes
Improved parameters are presented for predicting the tropospheric effect on electromagnetic range measurements from surface meteorological data. More geographic locations have been added to the earlier list.
Hopfield, H. S.
core   +1 more source

A new algorithm for microwave delay estimation from water vapor radiometer data [PDF]

open access: yes
A new algorithm has been developed for the estimation of tropospheric microwave path delays from water vapor radiometer (WVR) data, which does not require site and weather dependent empirical parameters to produce high accuracy.
Robinson, S. E.
core   +1 more source

Assessment of ZTD Derived from COSMIC Occultation Data with ECWMF, Radiosondes, and GNSS. [PDF]

open access: yesSensors (Basel), 2022
Fu N   +8 more
europepmc   +1 more source

The Implementation of Precise Point Positioning (PPP): A Comprehensive Review. [PDF]

open access: yesSensors (Basel), 2023
Elsheikh M   +3 more
europepmc   +1 more source

Advanced tracking systems design and analysis [PDF]

open access: yes
The results of an assessment of several types of high-accuracy tracking systems proposed to track the spacecraft in the National Aeronautics and Space Administration (NASA) Advanced Tracking and Data Relay Satellite System (ATDRSS) are summarized ...
Cunningham, K.   +7 more
core   +1 more source

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