Overview of ultra-precise time transfer formation flying, and spacecraft-spacecraft tracking systems
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formation flying GPS↗
Engineering topics
Lichten, S.
Publications and source records attributed to Lichten, S..
GPS capabilites: A three-part presentation
Presentation in three parts. Part 1: GPS capabilites in JPL's tracking systems and applications section: Introduction. Part 2: JPL's GPS Receiver Technology. Part 3: JPL's relevant expertise in GPS performance analysis and software.
GPS navigation↗
Constellation Design for a Mars-orbiting Satellite Communication
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Mars Satellite Constellation↗
Determining Precise Orbits for TOPEX/POSEIDON Within One Day of Real Time: Results and Implications
Radar altimeter missions require precise estimates of the satellite radial orbit position in order to support measurement of surface heights.
TOPEX/POSEIDON↗
GPS Ocean Surface Reflection Technology Requirements for Space Applications
Two key NASA OES research objectives are the Seasonal to Interannual Climate Variability and Prediction and Long-Term Climate/Natural Variability and Change investigations.
GPS↗
microGPS: On-orbit Demonstration of a New Approach to GPS to Space Applications
In February 1998 Student Nitric Oxide Explorer (SNOE) was successfully launched and began scientific observations.
Student↗
Precise Real-Time Low Earth Orbitor Navigation With GPS
Technology is currently available to support real-time on-board knowledge of the position of a low earth orbitor at the 5-15 meter level using the civilian broadcast GPS signal with sophisticated models and filtering techniques onboard the spacecraft.
Navigation Low Earth Orbitor GPS↗
Precise Orbit Determination for Low-Earth Orbiting Satellites using GPS Data: Recent Advances
In this paper, we describe some recent advances in GPS-based precise orbit determination for low-Earth orbiting satellites.
Low-Earth Orbiting Satellites GPS Earth science WA↗
Autonomous Formation Flyer (AFF) Sensor Technology Development
This paper proposes an implementation of AFF that borrows technology from the Global Positioning System (GPS), using measurements of both r-f carrier phase and a ranging code.
DS-3↗
Rapid Delivery GPS-Based Orbits for Altimetry Support
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Rapid Delivery Altimetry↗
Flexible, Precision On-Orbit Navigation and Autonomous Experiment Management Using GPS
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management↗
A demonstration of unified TDRS/GPS tracking and orbit determination
We describe results from an experiment in which TDRS and GPS satellites were tracked simultaneously from a small (3 station) ground network in the western United States. We refer to this technique as 'GPS-like tracking' (GLT) since the user satellite - in this case TDRS - is essentially treated as a participant in the GPS constellation. In the experiment, the TDRS K(sub space-to-ground link (SGL) was tracked together with GPS L-band signals in enhanced geodetic-quality GPS receivers (TurboRogue). The enhanced receivers simultaneously measured and recorded both the TDRS SGL and the GPS carrier phases with sub-mm precision, enabling subsequent precise TDRS orbit determination with differential GPS techniques. A small number of calibrated ranging points from routine operations at the TDRS ground station (White Sands, NM) were used to supplement the GLT measurements in order to improve determination of the TDRS longitude. Various tests performed on TDRS ephemerides derived from data collected during this demonstration - including comparisons with the operational precise orbit generated by NASA Goddard Space Flight Center - provide evidence that the TDRS orbits have been determined to better than 25 m with the GLT technique.
Haines, B.↗
A Demonstration of Unified TDRS/GPS Tracking and Orbit Determination
An experimental system, called GPS-like tracking, was used to track TDRS and GPS satellites simultaneously from a small (3 station) ground network. Comparison with the operational precise orbit indicates that GLT determined the TDRS orbit to within 25 m.
orbit↗
An Automated Low-Earth Orbit Determination System with High Accuracy Real-Time Capability
The flight data have been combined at JPL with ground GPS data from a global network to routinely produce precise TOPEX/Poseidon orbits.
GPS↗
An Automated Low-Earth Orbit Determination System with High Accuracy Real-Time Capability
GPS-based tracking is increasingly becoming the tracking system of choice for low-Earth orbiters
Automated↗
Use of GPS Tracking Data from Low Earth Flight Receiver to Determine Geocenter Location
Geocentric Tracking Station coordinates can be measured with global positioning system.
earth's center of mass geocenter GPS tracking data↗
Measurements of High-Frequency Earth Orientation with GPS: Current Status
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Golbal Positioning System (GPS) high-frequency UTI↗
GPS Data Analysis for Earth Orientation at the Jet Propulsion Laboratory
Beginning June 1992 and continuing indefinitely as part of our contribution to FLINN (Fiducial Laboratories for an International Natural Science Network), DOSE (NASA's Dynamics of the Solid Earth Program), and the IGS (International GPS Geodynamics Service), analysts at the Jet Propulsion Laboratory (JPL) have routinely been reducing data from a globally-distributed network of Rogue Global Positioning System (GPS) receivers.
GPS satellite ephemerides polar motion↗