Calibrations from doy 41, 1986 were used to calibrate: doy 41 doy 42 doy 45 Calibrations from doy 48, 1986 were used to calibrate: doy 48 doy 49 doy 50 doy 51 There were changes on the east and west limbs between doys 50 and 51. Cathy (5/10/95)