Regional Geospatial Service Center

Gravity Base Stations - Iowa

 


Reference Base Stations

 

NGA Reference Base Station Listing

 


Absolute, Absolute Excenter, Pendulum and/or Calibration Base Stations. Base Stations Information.

 

  • IOWA CITY AA: In fire escape of Boyd Law Bldg., Univ. of IA, Iowa City, IA (Absolute)
  • IOWA CITY CA: Front of Boyd Law Bldg., Univ. of IA, Iowa City, IA (Abs. Excenter)
  • NORTH LIBERTY: National Radio Obs. outside fence, North Liberty, IA (Base) 
  • SIOUX CITY: Federal Building (built 1932), 620 6th St, downtown Sioux City, IA (National Net Base)
  • SIOUX CITY B: Federal Building (built 1932), 620 6th St, downtown Sioux City, IA (National Net Base)