The GMD website may be unavailable from Tuesday, June 27, 5:00 PM through (approximately) noon on Wednesday, June 28 MDT due to building maintenance.

The Central UV Calibration Facility became operational in 1997 as a joint project between NOAA and NIST. Its mission is to provide highly accurate and long-term repeatable calibrations and characterizations of UV monitoring instruments.

For more information, please contact Patrick Disterhoft