#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
#38709.49	30473.4	31712.55	4.69651467
39637.50	30518.32	31773.89	2.54937051
40713.54	26930.71	28071.38	1.56906341
41743.51	21626.89	22588.94	1.80262031
42755.63	17678.09	18489.03	1.75254387
43769.52	14659.68	15367.61	1.2700748
44778.49	12231.18	12835.78	0.730999316
46061.62	10157.23	10672.67	0.461746684
46991.58	8610.64	9055.18	0.31394267
47921.55	7334.15	7717.41	0.402355564
48851.59	6349.71	6683.68	0.467504011
49807.67	5503.21	5792.88	0.500759423
50757.48	4817.983	5072.36	0.433405122
51724.52	4232.828	4451.383	0.189968682
52655.73	3745.537	3935.529	0.115103866
53586.50	3331.641	3497.141	0.111404219
54516.54	2979.768	3123.148	0.184574104
55446.54	2674.812	2799.646	0.0954064987
56376.67	2410.658	2518.73	0.133641311
57306.63	2179.394	2272.062	0.0771336502
58236.56	1979.678	2059.578	0.109295929
59166.49	1802.592	1871.202	0.102720981
60126.53	1644.311	1703.08	0.155280392
61106.50	1510.003	1560.424	0.0289551377
62049.46	1372.241	1414.298	0.0421141306
63022.59	1260.226	1295.753	0.0467129532
63995.75	1159.35	1189.407	0.0298345437
64971.59	1068.648	1093.997	0.0520586208
65947.51	981.781	1002.799	0.0426485639
66936.53	904.629	922.351	0.0412177146
67936.65	835.715	850.769	0.0484654516
68946.49	770.821	783.715	0.0290258505
69965.74	710.502	721.662	0.028733256
70998.55	654.637	664.618	0.0508487955
72061.59	601.786	610.685	0.050798622
73137.52	555.497	563.658	0.0365732142
74273.57	510.25	518.031	0.0475909655
75463.53	469.4997	477.1383	0.0142968878
76716.54	431.1438	438.7402	0.00984256064
78057.51	396.0898	403.8501	0.0132864216
79529.43	363.7201	371.5544	0.0175483333
81209.52	334.1918	342.2561	0.0166616026
83066.49	306.2132	314.4955	0.01710687
85101.58	281.4873	289.9541	0.0129317052
88453.56	259.342	267.9777	0.0156237319
91814.57	237.6362	246.4614	0.0164269291
95133.59	217.455	226.3844	0.00915117479
98540.57	198.905	207.9524	0.014961417
101945.71	182.705	191.7636	0.0149761143
105556.56	165.6084	174.6262	0.0186299758
109146.55	151.2082	160.2831	0.0126652675
112737.48	138.0594	146.9938	0.00459739056
116321.59	126.0585	134.8644	0.00445466048
119991.61	114.4267	123.0817	0.00523459645
123572.58	104.1575	112.6204	0.00659272326
127063.56	95.0123	103.2886	0.00590118632
130555.65	86.4647	94.5139	0.00334499626
134007.55	78.6258	86.4343	0.00484159065
137365.65	71.5547	79.1146	0.00356987395
140637.67	65.0098	72.3011	0.00344804292
143157.52	62.0115	69.1692	0.00358273638
145236.57	60.3625	67.4489	0.00452868634