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In support of NOAA’s excepted activity to protect lives and property, the National Geodetic Survey is providing limited CORS data for areas in Colorado impacted by flooding.

This limited CORS GPS data will be available until December 1, 2013. At that time the web site will revert back to the standard NOAA shutdown banner until the government shutdown has ended.


Data is available only via their FTP Server

Map of available CORS sites


NGS is providing:

RINEX 2.11 files (hourly & daily)

Global broadcast orbit files

IGS orbits (ultra-rapid, rapid and final)

NGS coordinate files

Plots – Short-term Quality control plots

Station Logs

Status files ( Updated hourly)


For questions or concerns please email Giovanni.sella@noaa.gov. Please note this email is only checked periodically.