FIELD EXP E SHYG CALIBRATED RDR 
                                     OPTICAL DEPTH V1.0
Spectral hygrometer (SHYG) data  were gathered on September 29, 1989 at Lunar Lake. The spectral  hygrometer provided the ratio Rsh=L(935)/L(880), where L(935) is  the radiance at 935 nm. The measurement is acquired by aiming the  optics at the sun. The Spectral Hygrometer data files consist of  data acquired on …