Ground-Based Global Navigation Satellite System Mixed Broadcast Ephemeris Data (sub-hourly files) from NASA CDDIS

Metadata Updated: July 17, 2020

This dataset consists of ground-based Global Navigation Satellite System (GNSS) Mixed Broadcast Ephemeris Data (sub-hourly files) from the NASA Crustal Dynamics Data Information System (CDDIS). GNSS provide autonomous geo-spatial positioning with global coverage. GNSS data sets from ground receivers at the CDDIS consist primarily of the data from the U.S. Global Positioning System (GPS) and the Russian GLObal NAvigation Satellite System (GLONASS). Since 2011, the CDDIS GNSS archive includes data from other GNSS (Europe’s Galileo, China’s Beidou, Japan’s Quasi-Zenith Satellite System/QZSS, the Indian Regional Navigation Satellite System/IRNSS, and worldwide Satellite Based Augmentation Systems/SBASs), which are similar to the U.S. GPS in terms of the satellite constellation, orbits, and signal structure. The sub-hourly GNSS broadcast ephemeris files contain 15 minutes of mixed multi-GNSS navigation (1-second sampling) data in RINEX format from a global permanent network of ground-based receivers, one file per 15 minutes per site. More information about these data is available on the CDDIS website at https://cddis.nasa.gov/Data_and_Derived_Products/GNSS/high-rate_data.html.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Created Date	August 1, 2018
Metadata Updated Date	July 17, 2020

Metadata Source

Data.json Data.json Metadata
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Harvested from NASA Data.json

Additional Metadata

Resource Type	Dataset
Metadata Created Date	August 1, 2018
Metadata Updated Date	July 17, 2020
Publisher	NASA/GSFC/SED/ESD/GGL/CDDIS
Unique Identifier	C1422115262-CDDIS
Maintainer	support-cddis@earthdata.nasa.gov
Public Access Level	public
Bureau Code	026:00
Metadata Context	https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID	https://data.nasa.gov/data.json
Schema Version	https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby	https://project-open-data.cio.gov/v1.1/schema/catalog.json
Citation	Archived by National Aeronautics and Space Administration, U.S. Government, NASA/GSFC/SED/ESD/GGL/CDDIS. https://doi.org/10.5067/GNSS/GNSS_HIGHRATE_X_001.
Harvest Object Id	f25b8c1d-39f1-4f27-b935-9fae0ee250ac
Harvest Source Id	39e4ad2a-47ca-4507-8258-852babd0fd99
Harvest Source Title	NASA Data.json
Data First Published	1992-01-01
Homepage URL	https://doi.org/10.5067/GNSS/GNSS_HIGHRATE_X_001
Language	en-US
Metadata Type	geospatial
Data Last Modified	2020-05-20
Program Code	026:001
Source Datajson Identifier	True
Source Hash	e9041f8bf1621b4ba0d00f50eb9acbf9ee9ad480
Source Schema Version	1.1
Spatial	-180.0 -90.0 180.0 90.0
Temporal	1992-01-01T00:00:00Z/2020-07-13T00:00:00Z
Category	IGS, geospatial

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