- This data set is described in http://omniweb.gsfc.nasa.gov/html/omni_min_data.html
- From http://omniweb.gsfc.nasa.gov/html/omni_min_data.html#1
- Numerical Data 
To improve access speed, data are derived from a local cache. See Notes#Versioning for more information about versioning and caching.
- Cite: From ftp://nssdcftp.gsfc.nasa.gov/spacecraft_data/omni/omni.txt: Use of these data in publications should be accompanied at minimum by acknowledgements of the National Space Science Data Center.
- Data set contact: See metadata
5.1. Merged Plots and Files
5.2. Special Views
Special views of geomagnetic index data may be viewed in various was at gallery#OMNI