header image 2

University of Southern California


Download SEM Data
The USC Space Sciences Center SEM calibrated data website is currently being updated to include the latest version (Ver 3.1 of Dec 11, 2008). The first part of the update is for the daily averaged SEM calibrated data. So far the daily averaged for 2008 were updated. All other data starting 1996 will be updated soon.

Last Update: Oct 02, 2017

15-sec data current as of: Sep 28, 2017

Note Before Downloading:
Each file contains header information about the data. This information is also available as a readme file below each file listing. Also, due to particle events, the following days (and other days not listed) of data are suspect interms of flux measurements:
  • November 1997, DOY 310-311
  • April 1998, DOY 110-112
  • November 1998, DOY 309-31

  • 15 second data
    5 minute data by month
    10 minute data by month
    Daily Averages by Year
     
        website last updated 10/02/2017