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Spectrometer for Sky-Scanning, Sun-Tracking Atmospheric Research

Examples of 4STAR measurements and retrievals

Bringing back AERONET hosted by São Toméan partners

4STAR integration at NRC

4STAR on the NRC's Convair 580 with Sam, Konstantin, and Roy posing in front

Sunphotometer family reunited at Ames after many campaigns

4STAR in ORACLES onboard NASA P3

Calibrating the sunphotometer family

A 4STAR scientist's first flight


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