Skip to main content

Continuous Operation Reference Station (CORS)

In cooperation with Colorado Northwest Community College

 Location: 500 Kennedy Drive, Rangely, Colorado

  • Trimble alloy / Zephyr 3 Geodetic 3 Antenna / Trimble Pivot Platform
  • L1/L2 APC - datum: NAD83(2011)
  • Latitude: 40° 04' 37.56807" N
  • Longitude: 108° 47' 22.42309" W
  • HAE: 1651.512m
  • APC NAVD88 orthometric height = XXXXXm / XXXXXusft

  • Broadcasting RTK corrections @ 464.5500 MHZ
  • Trimble TDL450H RADIO @ 35W
  • Protocol mode: TT450S or TrimMark3
  • Radio link rate: 9600bps
  • Correction type: CMR+ (RTVRN - CMR+ / CMRx)
Antenna located in bare ground next to grass with a brown brick building and mature landscape in the background.

    RINEX hourly files 24hrs / 7days

    GPS specs: 1 second intervals / 5° Elev. mask / 99.0 PDOP mask

    RINEX index and general download directions

    For more information including login/password for the RINEX files, contact the CORS administrator at 970-244-1826 or trent.howell@mesacounty.us.

    Disclaimer and Limitation of Liability

    Mesa County, Colorado, shall in no event be liable or responsible for any lost profits or any damages of any kind, including but not limited to special, indirect, or consequential damages arising out of or in connection with the use or the inability to use the data hereon or the services provided. Mesa County provides this data and its services as a convenience to its customers. Furthermore, Mesa County reserves the right to change, revise, or otherwise discontinue published data and these services at any time without further notice.