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Description

This dataset consists of ground-based Global Navigation Satellite System (GNSS) GLONASS Observation Summary Data (30-second sampling, daily files of all distinct navigation messages received in one day) from the NASA Crustal Dynamics Data Information System (CDDIS). GNSS provide autonomous geo-spatial positioning with global coverage. The GLONASS data sets from ground receivers at the CDDIS consist of observations from the Russian GLObal NAvigation Satellite System (GLONASS); Russia's GLONASS is similar to the U.S. GPS in terms of the satellite constellation, orbits, and signal structure. The daily files contain summary information of one day of GPS or multi-GNSS observations (30-second sampling) data in RINEX format from a global permanent network of ground-based receivers, one file per site. More information about these data is available on the CDDIS website at https://cddis.nasa.gov/Data_and_Derived_Products/GNSS/daily_30second_data.html.

Product Summary

Platforms
GLONASS,
GROUND STATIONS
Instruments
GLONASS P,
GNSS RECEIVER
Spatial Extent
N: 90 S: -90 E: 180 W: -180
Geographic Region
GLOBAL
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
1998-01-01 to Present
Data Partner
Crustal Dynamics Data Information System, Geodesy and Geophysics Laboratory, Earth Sciences Division, Sciences and Exploration Directorate, Goddard Space Flight Center, NASA (CDDIS)
Concept ID
C1423550697-CDDIS
Data State
ACTIVE
Processing Level
1A
Published
Science Keywords
Country/Regional Coordinate Reference System,
Global Coordinate Reference System,
Ellipsoid Characteristics,
Geoid Characteristics,
Control Surveys,
Gravity,
Annual Elliptical Component,
Chandler Circular Component,
Rotational Rate/Speed,
Angle Of Elevation,
Angle Of Inclination,
Orbit Type,
Orbit Velocity,
Orbital Position,
Earthquake Magnitude/Intensity,
Crustal Motion Direction,
Crustal Motion Rate,
Fault Movement Direction,
Fault Movement Rate,
Plate Boundaries,
Strain

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

International GNSS Service (IGS). (1998). Ground-Based Global Navigation Satellite System (GNSS) Daily 30-second GLONASS observation summary files [Data set]. NASA Crustal Dynamics Data Information System. https://doi.org/10.5067/GNSS/GLONASS_DAILY_S_001 Date Accessed: 2025-09-07

File Naming Convention

YYYY/DDD/YYs/mmmmDDD#.YYs.Z

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