INTRA on the roof of PMO-WRC Davos

• with dual shader kit
• instrument-box on aux. flange

foto: R. Philipona, Dec/1995

INTRA on test site of PMO-WRC Davos

• with axis extension kit
• 8 precision filter radiometers (PFR) built by PMOWRC.

foto Hj. Roth, 2005

INTRA on Junfraujoch

Station operated by MetoSuisse. Two INTRAs are stacked - the upper is operated in a special 180-degrees rotated or "looking back-mode". The picture was taken during the setup period of the station in 1997, hence not all instruments are already in place.

foto: R. Brusa, June/1997