Calibrations from doy 86, 1986 were used to calibrate: doy 81 doy 83 doy 86 doy 87 Calibrations from doy 88, 1986 were used to calibrate: doy 88 doy 89 doy 90 doy 91 There were changes between doy 88 and 89 on the east limb. Cathy (5/10/95)