GPS Reference Station (CPUB)

The City of Pueblo GIS Division, Bureau of Public Works, and Department of Wastewater supports a publicly available continuously operating GPS/GLONASS reference station at no cost to users. This reference station is optimized for land surveying, field data collection, and precision navigation and is compatible with most manufactured equipment capable of receiving modern correction signals.

Device Information:


Manufacturer: Trimble Navigation Limited, LLC. 

Model: Trimble Alloy 

GNSS Antenna: Zyphr 3 Geodetic 

Satellite Networks Supported: GPS, GLONASS, Galileo, QZSS, BelDou
Real-Time Correction Algorithms Available: 

  • RT27 (1Hz): 
  • CMRx: 
  • RTCM_3: 
Operational Date: April 27, 2023 

Station Information: 

Name Code: CPUB 
Latitude (Y): 38° 15’ 46.98256” N* 
Longitude (X): 104° 36’ 45.97818 W* 
Elevation (Z): 1420.154 m* 
Coordinate System: NAD83 (2011) 
Epoch: 2010.00 
Vertical Datum: NAVD88 
Operational Time: 24-hours per day 7-days per week. 

*Note, position based on GPS correctional averaging. Station configuration not a registered NGS CORS site, but homogenous to NGS CORS.