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Services & Policies
Hours
The UCAR / NCAR Archives is open Monday through Friday 9:00 a.m. to 4:00 p.m. Additional hours can be arranged by appointment. We ask all researchers to register at the Archives and follow the rules designed for the protection of the collections.
UCAR / NCAR Archives is located on the second floor, room 2034, of FL-1 at 3450 Mitchell Lane, Boulder, Colorado. Driving directions to the Archives at University Corporation for Atmospheric Research.

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Internal schematic of HIRDLS (High Resolution Dynamic Limb Sounder) instrument created in 1992 at NCAR.
HIRDLS is an infrared limb-scanning radiometer designed to sound the upper troposphere, stratosphere, and mesosphere to determine temperature; the concentrations of O3, H2O, CH4, N2O, NO2, HNO3, N2O5, ClONO2, CFCl2, CFCl3, and aerosols; and the locations of polar stratospheric clouds and cloud tops. (Image courtesy of Earth Observing Laboratory, NCAR).
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