Results 111 to 120 of about 3,314 (215)
Applications of ISES for the oceans [PDF]
The need in oceanography for direct broadcast, why, and what type are discussed. Four reasons for support exist: need for real-time observations in support of field studies; need to back up point failures; need for experimentation with onboard processing
Esaias, W. E.
core +1 more source
Advanced tracking systems design and analysis [PDF]
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
Time transfer using NAVSTAR GPS [PDF]
, 1982 A time transfer unit (TTU) developed for the U.S. Naval Observatory (USNO) has consistently demonstrated the transfer of time with accuracies much better than 100 nanoseconds. A new time transfer system (TTS), the TTS 502 was developed.
Denz, A. R. +3 more
core +1 more source
The LANDSAT/global positioning system project [PDF]
A GPSPAC/LANDSAT-D Interface (GLI) Ground Support System was built to validate the performance and to calibrate the accuracy of the experimental navigation package, GPSPAC, flown on the LANDSAT-4 and 5 spacecraft.
Wood, Terri
core +1 more source
Real-Time PPP Based on the Coupling Estimation of Clock Bias and Orbit Error with Broadcast Ephemeris. [PDF]
Sensors (Basel), 2015 Pan S, Chen W, Jin X, Shi X, He F.
europepmc +1 more source
The Implementation of Precise Point Positioning (PPP): A Comprehensive Review. [PDF]
Sensors (Basel), 2023 Elsheikh M +3 more
europepmc +1 more source
Manual Gridding of DRIR Facsimile Pictures [PDF]
Method for manual geographical referencing of direct readout infrared radiometer data from Nimbus C ...
Smith, R. B.
core +1 more source
Performance Evaluation of CentiSpace Navigation Augmentation Experiment Satellites. [PDF]
Sensors (Basel), 2023 Chen L +12 more
europepmc +1 more source
Prediction of IGS RTS Orbit Correction Using LSTM Network at the Time of IOD Change. [PDF]
Sensors (Basel), 2022 Kim B, Kim J.
europepmc +1 more source
Broadcast Ephemeris Model of the BeiDou Navigation Satellite System
JOURNAL OF ENGINEERING SCIENCE AND TECHNOLOGY REVIEW, 2017 Xie Xiaogang, Lu Mingquan
openaire +1 more source