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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    41,781 to 41,790 of 41,958 Results
    Fourier Transform Spectroscopy of the Red and Orange Band Systems of Calcium Hydride
    Jan 1, 1993
    Rao, M.; Abrams, M.; Davis, S.; Rao, D., 1993, "Fourier Transform Spectroscopy of the Red and Orange Band Systems of Calcium Hydride", https://hdl.handle.net/2014/35535, Pramana, JPL Open Repository
    Calcium hydride has been the subject of many spectroscopic studies due to its astrophysical interest, beginning with its identification in solar and stellar spectra.
    Observations on the Long-Period Variability of the Gulf Stream Downstream of Cape Hatteras
    Jan 1, 1993
    Vasquez, J., 1993, "Observations on the Long-Period Variability of the Gulf Stream Downstream of Cape Hatteras", https://hdl.handle.net/2014/35534, JPL Open Repository
    This paper indicates that topography, Rossby wave dynamics, and eddy/stream interactions, all appear to have a significant role in determining the space-time scales and propagation properties of the long-period response of sea level in the Gulf Stream.
    Improved Ephemerides of Pluto
    Jan 1, 1993
    Standish, E., 1993, "Improved Ephemerides of Pluto", https://hdl.handle.net/2014/35648, UNKNOWN, JPL Open Repository
    The history of the Pluto ephemerides created at JPL is given. The uncertainties of present and possible future ephemerides are illustrated, and it is shown how rapidly the error grows for any present-day ephemeris of Pluto which is extrapolated into the future - tens of thousands...
    Ocean Remote Sensing with Airborne Ku-Band Scatterometer
    Jan 1, 1993
    Nghiem, S.; Li, F.; Lou, H.; Neumann, G., 1993, "Ocean Remote Sensing with Airborne Ku-Band Scatterometer", https://hdl.handle.net/2014/35652, JPL Open Repository
    This paper describes the results of using an airborne scatterometer to measure ocean backscatter during the Surface Wave Dynamics Experiment (SWADE).
    Instrument Pointing Tracking and Vibration Suppression Using Zero Annihilation Periodic Control
    Jan 1, 1993
    Bayard, D.; Boussalis, D., 1993, "Instrument Pointing Tracking and Vibration Suppression Using Zero Annihilation Periodic Control", https://hdl.handle.net/2014/35809, Optical Engineering, JPL Open Repository
    In Zero Annihilation Periodic control, the control gains vary periodically in time, in sharp contrast to conventional controllers whose control gains are fixed in time.
    Gravity Survey of the Mt. Toondina Impact Structure South Australia
    Jan 1, 1993
    Plescia, J.; Shoemaker, E.; Shoemaker, C., 1993, "Gravity Survey of the Mt. Toondina Impact Structure South Australia", https://hdl.handle.net/2014/35852, JPL Open Repository
    This paper presents data to support the conclusion that gravity data combined with seismic reflection data and surface stuctural geologic mapping for the Mt. Toondina structure in South Australia reveal that the central uplift is surrounded by a ring structural depression.
    The Extratropical 40-Day Oscillation in the UCLA General Circulation Model, Part I: Atmospheric Angular Momentum
    Jan 1, 1993
    Marcus, S. L.; Ghil, M.; Dickey, J. O., 1993, "The Extratropical 40-Day Oscillation in the UCLA General Circulation Model, Part I: Atmospheric Angular Momentum", https://hdl.handle.net/2014/35883, UNKNOWN, JPL Open Repository
    Fluctuations in stmospheric angular momentum (AAM) are examined in a three-year simulation of the perpetual-January climate, performed with of a version of the UCLA general circulation model which contains no tropical, Madden-Julian oscillation (MJO).
    The Hubble Space Telescope Extragalactic Distance Scale Key Project KK: Photometry of WFC Images of M81
    Jan 1, 1993
    Hughes, S.; Mould, B. MadoreJ.; Ferrarese, L.; Ford, H.; Freedman, W.; Hill, R.; Lee, M.; Graham, J.; Hoessel, J.; Huchra, J.; Illingworth, G.; Kennicutt, R.; Turner, A.; Stetson, P., 1993, "The Hubble Space Telescope Extragalactic Distance Scale Key Project KK: Photometry of WFC Images of M81", https://hdl.handle.net/2014/35988, JPL Open Repository
    This paper describes the Extragalactic Distance Scale Key Project for Hubble Space Telescope which aims to employ the Cepheid period-luminosity relation to measure galaxy distances out as far as the Virgo cluster.
    Improved Planar Spiral Transformer Theory Applied to a Miniature Lumped Element Quadrature Hybrid
    Jan 1, 1993
    Hogerheiden, J.; Ciminera, M.; Jue, G., 1993, "Improved Planar Spiral Transformer Theory Applied to a Miniature Lumped Element Quadrature Hybrid", https://hdl.handle.net/2014/36670, IEEE Microwave Theory and Techniques, JPL Open Repository
    A MMIC compatible lumped element model is derived for symmetric width, uniformly coupled transmission lines.
    Structural Mode Identification of Galileo Spacecraft from Flight Data
    Jan 1, 1993
    Che-Hang Charles Ih; Shuh-Ren Lin; Edward C. Wong; Glenn A. Macala, 1993, "Structural Mode Identification of Galileo Spacecraft from Flight Data", https://hdl.handle.net/2014/34874, ['AAS/AIAA Astrodynamics Conference', 'Victoria, B.C., Canada'], JPL Open Repository
    The Galileo spacecraft was launched in 1989 and is on its way to explore Jupiter. The dual-spin configured spacecraft will orbit Jupiter to conduct scientific investigation of the planet and its satellites. A probe will be released prior to Jupiter orbit insertion and will follow...
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