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  • GNSS radio occultation L1B excess phase and amplitude for KOMPSAT5 as contributed by UCAR, version 2.0 (gnssro_kompsat5_ucar_l1b)

    https://cmr.earthdata.nasa.gov/search/concepts/C3628339705-GES_DISC.xml
    Description:

    This dataset provides Global Navigation Satellite System (GNSS) Radio Occultation (RO) Excess Phase and Amplitude data from the Korea Multi-Purpose Satellite - 5 (KOMPSAT-5) mission as contributed by the University Corporation for Atmospheric Research. Each granule represents a single occultation. GNSS RO is a remote sensing technique that measures the refracted radio signals generated by GNSS satellites and viewed through Earth’s limb. Parameters describing the refraction can be used to infer familiar atmospheric variables such as temperature, pressure and water vapor. The RO technique allows for increased global coverage of temperature and water vapor through the large number of daily observations and as a result plays an important role in the enhancement of Numerical Weather Prediction and other atmospheric-related studies.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    GES_DISC Short Name: gnssro_kompsat5_ucar_l1b Version ID: 2.0 Unique ID: C3628339705-GES_DISC

  • GNSS radio occultation L2A bending angle, refractivity, and dry pressure for KOMPSAT5 as contributed by UCAR, version 2.0 (gnssro_kompsat5_ucar_l2a)

    https://cmr.earthdata.nasa.gov/search/concepts/C3628339719-GES_DISC.xml
    Description:

    This dataset provides Global Navigation Satellite System (GNSS) Radio Occultation (RO) Bending Angle, Refractivity, and Dry Pressure data from the Korea Multi-Purpose Satellite - 5 (KOMPSAT-5) mission as contributed by the University Corporation for Atmospheric Research. Each granule represents a single occultation. GNSS RO is a remote sensing technique that measures the refracted radio signals generated by GNSS satellites and viewed through Earth’s limb. Parameters describing the refraction can be used to infer familiar atmospheric variables such as temperature, pressure and water vapor. The RO technique allows for increased global coverage of temperature and water vapor through the large number of daily observations and as a result plays an important role in the enhancement of Numerical Weather Prediction and other atmospheric-related studies.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    GES_DISC Short Name: gnssro_kompsat5_ucar_l2a Version ID: 2.0 Unique ID: C3628339719-GES_DISC

  • GNSS radio occultation L2B temperature, pressure, and water vapor retrieval for KOMPSAT5 as contributed by UCAR, version 2.0 (gnssro_kompsat5_ucar_l2b)

    https://cmr.earthdata.nasa.gov/search/concepts/C3628339688-GES_DISC.xml
    Description:

    This dataset provides Global Navigation Satellite System (GNSS) Radio Occultation (RO) Temperature, Pressure, and Water Vapor data from the Korea Multi-Purpose Satellite - 5 (KOMPSAT-5) mission as contributed by the University Corporation for Atmospheric Research. Each granule represents a single occultation. GNSS RO is a remote sensing technique that measures the refracted radio signals generated by GNSS satellites and viewed through Earth’s limb. Parameters describing the refraction can be used to infer familiar atmospheric variables such as temperature, pressure and water vapor. The RO technique allows for increased global coverage of temperature and water vapor through the large number of daily observations and as a result plays an important role in the enhancement of Numerical Weather Prediction and other atmospheric-related studies.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    GES_DISC Short Name: gnssro_kompsat5_ucar_l2b Version ID: 2.0 Unique ID: C3628339688-GES_DISC

  • GPS Radio Occultation Boundary Layer Depth Annual L3 V2 (GPSROZPBLA)

    https://cmr.earthdata.nasa.gov/search/concepts/C2226544227-GES_DISC.xml
    Description:

    This dataset provides an annual average climatology of planetary boundary layer (PBL) height derived from COSMIC/FORMOSAT-3, TerraSAR-X, KOMPSAT-5, and PAZ Global Positioning System (GPS) radio occultation (RO) measurements. The COSMIC/FORMOSAT-3 mission consists of a six-satellite constellation launched in 2006. Each satellite carries an Integrated GPS Occultation Receiver (IGOR) GPS receiver and is equipped with fore and aft looking antenna to track both setting and rising occultations. The constellation provides globally distributed measurements across different local times. The instrument tracks the L-band microwave signal broadcast by a GPS satellite in a limb-viewing geometry. The IGOR receivers are capable of tracking the GPS signals in open loop through the middle to lower troposphere, which is essential for obtaining data with high quality for PBL height estimation, especially at low latitudes. The refractivity profiles form the basis for this PBL height product. For each occultation, the PBL height is calculated as the height where the vertical gradient of the refractivity (dN/dz) is minimum. This algorithm is designed to locate the height where a large vertical change in refractivity occurs, corresponding to the transition from the free troposphere to the PBL. More details can be found in Ao et al. (2012). This is the latest version of this collection which supercedes previous versions.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    GES_DISC Short Name: GPSROZPBLA Version ID: 2 Unique ID: C2226544227-GES_DISC

  • GPS Radio Occultation Boundary Layer Depth Seasonal L3 V2 (GPSROZPBLS)

    https://cmr.earthdata.nasa.gov/search/concepts/C2226041112-GES_DISC.xml
    Description:

    This dataset provides a seasonal average climatology of global planetary boundary layer (PBL) height derived from COSMIC/FORMOSAT-3, TerraSAR-X, KOMPSAT-5, and PAZ Global Positioning System (GPS) radio occultation (RO) measurements. The COSMIC/FORMOSAT-3 mission consists of a six-satellite constellation launched in 2006. Each satellite carries an Integrated GPS Occultation Receiver (IGOR) GPS receiver and is equipped with fore and aft looking antenna to track both setting and rising occultations. The constellation provides globally distributed measurements across different local times. The instrument tracks the L-band microwave signal broadcast by a GPS satellite in a limb-viewing geometry. The IGOR receivers are capable of tracking the GPS signals in open loop through the middle to lower troposphere, which is essential for obtaining data with high quality for PBL height estimation, especially at low latitudes. The refractivity profiles form the basis for this PBL height product. For each occultation, the PBL height is calculated as the height where the vertical gradient of the refractivity (dN/dz) is minimum. This algorithm is designed to locate the height where a large vertical change in refractivity occurs, corresponding to the transition from the free troposphere to the PBL. More details can be found in Ao et al. (2012). This is the latest version of this collection which supersedes previous versions.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    GES_DISC Short Name: GPSROZPBLS Version ID: 2 Unique ID: C2226041112-GES_DISC

  • Satellite Laser Ranging (SLR) Predictions from NASA CDDIS

    https://cmr.earthdata.nasa.gov/search/concepts/C1000000025-CDDIS.xml
    Description:

    Predicted satellite orbits for Satellite Laser Ranging (SLR) tracking of satellites equipped with corner cube retroreflectors. SLR stations download these prediction files and coordinate tracking schedules for satellite acquisition. The predicted orbit files typically contain orbit information for multiple days and are issued on a daily or sub-daily basis.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    CDDIS Short Name: SLR_predictions Version ID: 1 Unique ID: C1000000025-CDDIS