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	   --