NASA’s Crustal Dynamics Data Information System (CDDIS) archives Very Long Baseline Interferometry (VLBI) DB data holdings.
DOI: 10.5067/VLBI/vlbi_db_data_001
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
CDDIS VLBI DB data, Greenbelt, MD, USA: NASA Crustal Dynamics Data Information System (CDDIS), Accessed [[enter user data access date]] at doi:10.5067/VLBI/vlbi_db_data_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.
Summary
- Name: CDDIS VLBI DB data available from the Crustal Dynamics Data Information System (CDDIS)
- Format: binary
- Spatial Coverage: 90.0 to -90.0, 180.0 to -180.0
- Temporal Coverage: 1979 - present
- Temporal Resolution:
- File Size: ∼20KB
- Platforms: Very Long Baseline Interferometry (VLBI)
Description
Very Long Baseline Interferometry (VLBI) ASCII files in the NGS card format.
Data Access
CDDIS VLBI DB data files are online.
Starting directory: https://cddis.nasa.gov/archive/vlbi/ivsdata/db/
in subdirectories by year as follows: YYYY/YYCCCDDTT_V###.gz
| Code | Meaning |
|---|---|
| YYYY | 4-digit year |
| YY | 2-digit year |
| CCC | 3-character month name |
| DD | 2-digit day of month |
| TT | 2-character database code |
| ### | 3-digit version number |
| gz | gzipped file |
Documentation
http://cddis.nasa.gov/Data_and_Derived_Products/VLBI/VLBI_data_and_product_archive.html