Channel #	Measurement	Beginning	Instrument	    Calibration	   Comments		  Estimated
				Time Stamp				Date				  Measurement
													  Uncertainty(%)

1 Direct normal 862961507 Eppley NIP 14306E6 5-86 -- (thermopile) 863520931 Eppley NIP 23943E6 12-86 -- 2.9 880120931 Eppley NIP 23943E6 12-87 1.32% change 2 Global normal 862961507 Eppley PSP 24185F3 -- -- Eppley PSP 24185F3 11-86 1.67% change 3.8 872881032 Eppley PSP 18273F3 4-87 -- 880120931 Eppley PSP 24185F3 12-87 -- 3 Global horizontal 862961507 Eppley PSP 14321F3 4-86 -- (thermopile) 870931631 Eppley PSP 14322F3 12-87 -- 3.8 872881032 Eppley PSP 14318F3 4-87 -- 4 Global tilt 863291031 Eppley PSP 24183F3 11-86 -- 872881032 Eppley PSP 14320F3 4-87 -- 3.8 880120931 Eppley PSP 24183F3 12-87 -- 5 Direct normal 862961507 Matrix NIP3826 9-86 -- (silicon) 880120931 Matrix NIP3826 12-87 1.32% change 2.9 6 Temperature 862961507 Weathermeasure 1420A 6-86 "small" changes; the 177 3-87 calibration factor was --- 8-88 changes in software 7 Pressure 862961507 Weathermeasure 1705 1-86 "small" changes; the 178 5-87 calibration factor was --- 6-88 changes in software 8 Rel. hum. 862961507 Weathermeasure 1540 6-86 Calculated from dew 175 point; compared every --- other week with another instrument 9 Wind speed 862961507 Weathermeasure 1222 7-86 "small" changes; the 1219 3-87 calibration factor was --- 6-88 changes in software 10 Albedo 863291031 Eppley PSP 16297F3 11-86 -- 3.8 872881032 Eppley PSP 21065F3 4-87 -- 19 Global horizontal 862961507 LI-COR Pyr. PY2276 7-86 -- 3.8 (silicon) 871481431 LI-COR Pyr. PY2279 5-87 --

Table 5-1. FSEC Instrument Calibration History and Estimated Measurement Uncertainty.


Click here to download Table 5-1 in wk1 format.


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