Real-time US-Total Electron Content: Vertical and Slant
Vertical Total Electron Content
2009 Jan 14 0545 - 0600 UTC
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Updated: 2009 Jan 14 0615 UTC
Data from a total of
68 real-time
GPS stations from the
CORS
, GPS/Met,
and IGS
networks are used for these calculations.
US-TEC provides vertical TEC and slant path values of the line-of-sight
electron content to the GPS satellites in view at the time. Note that TEC values in regions outside of the CONUS have no data and should
be treated with caution. This ionospheric product is designed to
estimate the signal delay for single and dual frequency GPS applications. US-TEC
products are provided for today and yesterday, prior to yesterday
please go to NGDC.