High-rate mixed broadcast ephemeris data


Data Center Citation

Noll, Carey E., The Crustal Dynamics Data Information System: A resource to support scientific analysis using space geodesy, Advances in Space Research, Volume 45, Issue 12, 15 June 2010, Pages 1421-1440, ISSN 0273-1177, http://dx.doi.org/10.1016/j.asr.2010.01.018.

Data Citation

International GNSS Service, High-rate mixed broadcast ephemeris data, Greenbelt, MD, USA:NASA Crustal Dynamics Data Information System (CDDIS), Accessed [[enter user data access date]] at doi:10.5067/GNSS/gnss_highrate_x_001.

Other standard citation formats may be used for this data set and can be found at the DOI Citation Formatter website.

More information about CDDIS data citations and acknowledgments is available.


  • Name: High-rate mixed broadcast ephemeris data
  • Format: RINEX V2, UNIX compressed ASCII
  • Spatial Coverage: 90.0N to -90.0S, 180.0E to -180.0W
  • Temporal Coverage: 2001-05-01 to present
  • Temporal Resolution:15 minutes
  • File Size: 250 Kbytes/15-minute file
  • Platforms: Multiple GNSS


GNSS data from a global network of permanent GNSS receivers supporting the International GNSS Service (IGS) operating at a 1-second sampling rate and containing 15 minutes of data.

Data Access

The high-rate GNSS mixed broadcast ephemeris data are online:


in subdirectories by year and day of year as follows:


as described in the table below.

Code Meaning
YYYY4-digit year
DDD3-digit day of year
YY2-digit year
HH 2-digit hour of day (00, 01, ..., 23)
mmmm 4-character site monument name
H 1-character hour of day (a, b, ..., x)
MM 2-digit minute of hour (00, 15, 30, 45)
.Z UNIX compressed file