Boulder Geomagnetic Observatory

Boulder Geomagnetic Observatory (BOU) is a geomagnetic observation facility operated by the United States Geological Survey (USGS). It is located near Boulder, Colorado at 40.13756°N, -105.23787°W. The site was established in 1961.

Customers of the observatory include the Space Weather Prediction Center (SWPC) and the Air Force Weather Agency (AFWA).

Instruments

 * A magnetometer
 * A solar proton sensor