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The Boulder SURFRAD instruments are located on the deck at SRRB's Table Mountain Test Facility, located 8 miles north of Boulder. These instruments are part of a larger set maintained at this location and used for annual intercomparisons and other research.

Table Mountain, Colorado Latitude: 40.13 degrees North Longitude: 105.24 degrees West Elevation: 1689 meters Time Zone: Local Time + 7 hours = UTC Installed: July 1995 SURFRAD data from the Boulder site.

• 
  The instrument deck at the Table Mountain Test Facility. Note the SURFRAD solar tracker on the platform in front of the deck.
• 
  The downwelling SURFRAD instruments, located on the north table of the deck. Shown, from left to right, are: Yankee Environmental Systems (YES) MFRSR, LI-COR PAR, Yankee UVB-1 Ultraviolet Pyranometer, ventilated Eppley pyrgeometer and ventilated Spectrosun pyranometer.
• 
  SURFRAD instruments mounted on the SCI-TEC 2AP solar tracker on the south side of the deck. On the tracker there are three shaded instruments: a ventilated Spectrosun pyranometer, a Yankee UVB-1 Ultraviolet Pyranometer (not SURFRAD), and a ventilated Eppley pyrgeometer. A SCI-TEC quadrant detector detector and an Eppley normal incidence pyranometer are also mounted on the sides of the tracker.
• 
  The SURFRAD ten-meter tower, located approximately 100 yards north of the instrument deck. The tower contains an RM Young wind monitor, a Vaisala temperature and relative humidity sensor, and an Eppley pyrgeometer and a Spectrosun pyranometer for measuring upwelling infrared and upwelling solar radiation, respectively.
• 
  A close-up of the tower-mounted instruments.