The JPL Open Repository (JOR) replaced the JPL Technical Report Server (TRS) in 2023. It is a repository for digital copies of technical publications authored by JPL employees. It includes journal articles (the Final Accepted Version), meeting papers, presentations, and other publications cleared for external distribution from 1992 to the present. It also include research datasets from 2022 on.

Years covered: 1992 to the present.
  • 1992-2021 records were originally on the JPL Technical Report Server (TRS) on Dspace system; those records were migrated to Dataverse in 2022.
  • Records with publication date 2022 or later are native to the Dataverse.
  • Data sets: 2022 to present
  • There are a few pre-1992 records. Those were added to the system on a case-by-case request basis.

  • Persistent IDs (PIDs):
  • 1992-2021 records have Handles
  • 2022 and later records have Digital Object Identifiers (DOIs).
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    41,581 to 41,590 of 42,018 Results
    Modeling Non-Gravitational Forces Acting on Topex/Poseidon: The Early Days
    Feb 22, 1993
    Christensen, E. J.; Williams, B. G.; Yuan, D. N.; McColl, K. C., 1993, "Modeling Non-Gravitational Forces Acting on Topex/Poseidon: The Early Days", https://hdl.handle.net/2014/34948, Pasadena, California, USA, JPL Open Repository
    Topex/Poseidon is a satellite mission that will use altimetry to make precise measurements of sea-level with unprecedented acuracy such that small-amplitude, basin wide sea-level with unprecedented accuracy such that small-amplitude, basin wide sea-level changes caused by large-s...
    Short Arc Orbit Determination for Altimeter Calibration and Validation on TOPEX/Poseidon
    Feb 22, 1993
    Williams, B.G.; Christensen, E.J.; Yuan, D.N.; McColl, K.C.; Sunseri, R.F., 1993, "Short Arc Orbit Determination for Altimeter Calibration and Validation on TOPEX/Poseidon", https://hdl.handle.net/2014/34947, Pasadena, CA, JPL Open Repository
    TOPEX/Poseidon (T/P) is a joint mission of US NASA and French CNES design launched August 10, 1992. It carries two radar altimeters which alternately share a common antenna. There are two project designated verification sites, a NASA site off the coast at Pt. Conception, CA, and...
    Gravity Recovery Analysis Using GPS for STEP and a Low-Low Satellite Mission
    Feb 22, 1993
    Muellerschoen, Ronald J.; Bertiger, Willy I.; Wu, Sien C., 1993, "Gravity Recovery Analysis Using GPS for STEP and a Low-Low Satellite Mission", https://hdl.handle.net/2014/34945, Pasadena, California, USA, JPL Open Repository
    The precise GPS data can additionally be used to refine the Earth's gravity field. STEP is a proposed European Space Agency mission that may also carry a flight GPS receiver.
    Development of a Versatile Electromagnetic Levitator
    Feb 22, 1993
    Ohsaka, K.; Trinh, E., 1993, "Development of a Versatile Electromagnetic Levitator", https://hdl.handle.net/2014/34978, ['Symposium Proceeding - Containerless Processing', 'Denver, Colorado, USA'], JPL Open Repository
    A versatile electromagnetic levitator for ground-based experiments is under development at the Jet Propulsion Laboratory.
    Higher-Order Ionospheric Effects on the GPS Observables and Means of Modeling Them
    Feb 22, 1993
    Bassiri, S.; Hajj, G., 1993, "Higher-Order Ionospheric Effects on the GPS Observables and Means of Modeling Them", https://hdl.handle.net/2014/34918, Pasadena, California, USA, JPL Open Repository
    Based on realistic modeling of the electron density of the ionosphere and using a dipole moment approximation for the earth magnetic field, we are able to estimate the effect of the ionosphere on the GPS signal for a ground user. Our study implies reduction of the second-order io...
    Very-Long-Baseline-Interferometry Measurements of Planetary Orbiters at Mars and Venus
    Feb 22, 1993
    Kroger, P.; Folkner, W.; Lijima, B.; Hildebrand, C., 1993, "Very-Long-Baseline-Interferometry Measurements of Planetary Orbiters at Mars and Venus", https://hdl.handle.net/2014/34928, ['AIAA, Spacefligth Mechanics', 'Pasadena, California, USA'], JPL Open Repository
    Very-long-baseline interferometric measurements of the positions of planetary orbiters/landers relative to nearby extra galactic radio sources provide information on the positions of the planets in the inertial reference frame described by the measured positions of the radio sour...
    A strategy to Rotate The Mars Observer Orbit Node Line to Advance the Mapping Schedule
    Feb 22, 1993
    Pernicka, Henry J.; Sweetser, Theodore H.; Roncoli, Ralph B., 1993, "A strategy to Rotate The Mars Observer Orbit Node Line to Advance the Mapping Schedule", https://hdl.handle.net/2014/34941, Pasadena, California, USA, JPL Open Repository
    The Mars Observer (MO) spacecraft was successfully launched on September 25, 1992 and will arrive at Mars on August 24, 1993. At Mars, the spacecraft will study the planet's surface, atmosphere, and gravitational and magnetic fields.
    Demonstration of Use of a Real Time Tone Tracker to Obtain Same Beam Interferometry Data
    Feb 22, 1993
    Nandi, S.; Border, J.; Folkner, W., 1993, "Demonstration of Use of a Real Time Tone Tracker to Obtain Same Beam Interferometry Data", https://hdl.handle.net/2014/34930, ['1993 AAS/AIAA Spaceflight Mechanics Meeting', 'Pasadena, California, USA'], JPL Open Repository
    The radio metric tracking technique known as Same-Beam Interferometry has been shown to improve orbit determination accuracy for the Magellan and Pioneer 12 Orbiter.
    Radio Doppler Navigation of Interplanetary Spacecraft Using Different Data Processing Modes
    Feb 22, 1993
    Thurman, S.; Estefan, J., 1993, "Radio Doppler Navigation of Interplanetary Spacecraft Using Different Data Processing Modes", https://hdl.handle.net/2014/36690, Pasadena, California, USA, JPL Open Repository
    Doppler shift measurements derived from closed-loop radio tracking of distant spacecraft by ground stations of the Deep Space Network (DSN) are one of the principal means used for interplanetary navigation.
    A High Temperature Electrostatic Levitator for 1-g
    Feb 21, 1993
    Spjut, Won-Kyu, 1993, "A High Temperature Electrostatic Levitator for 1-g", https://hdl.handle.net/2014/35070, Denver, Colorado, USA, JPL Open Repository
    No abstract provided
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