#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
#38934.53	30507.1	27035.86	0.666663333
39863.54	30494.4	27032.51	0.970097933
40940.59	26928.86	24073.52	1.77441821
41970.59	21638.21	19636.27	1.85094841
42982.55	17681.79	16285.99	3.23006037
43995.73	14668.98	13667.73	1.11229942
45004.56	12244.58	11527.3	0.644049688
46288.54	10155.44	9684.46	0.238830484
47218.62	8609.02	8291.81	0.412662089
48148.51	7332.93	7132.44	0.554472723
49077.63	6350.02	6224.92	0.210142809
50032.55	5502.52	5436.69	0.420107129
50982.52	4818.323	4792.623	0.137113457
51951.56	4232.932	4235.608	0.114366079
52882.57	3745.201	3768.2	0.193463175
53812.57	3332.425	3368.212	0.118387499
54742.58	2979.443	3022.922	0.0872444841
55672.59	2674.972	2723.484	0.133380658
56603.51	2410.869	2462.172	0.130811314
57532.56	2179.089	2231.178	0.122831592
58462.60	1979.585	2030.566	0.0949968421
59392.61	1802.581	1852.072	0.118412837
60352.57	1644.296	1691.49	0.125713961
61332.49	1510.009	1554.519	0.0583000858
62274.58	1372.28	1413.955	0.0416713331
63247.51	1260.324	1299.193	0.0367980978
64222.59	1159.406	1195.836	0.0372880678
65198.64	1068.754	1102.816	0.0397290825
66174.57	981.658	1013.393	0.027204779
67163.57	904.53	934.247	0.0315927207
68162.57	835.639	863.499	0.0559365712
69173.58	770.926	797.07	0.0404722127
70191.59	710.473	735.312	0.0481414582
71225.71	654.81	678.49	0.0442718872
72287.59	601.814	624.335	0.055285622
73363.56	555.196	577.035	0.0260096136
74500.60	510.114	531.111	0.0402106951
75690.62	469.4529	489.8329	0.00788600025
76942.62	431.1011	450.9182	0.0132565456
78282.55	396.0887	415.4261	0.0159470687
79754.56	363.6247	382.5998	0.0152864646
81434.60	334.0349	352.5461	0.0107586709
83292.55	306.0665	324.16	0.0149445642
85327.51	281.2312	298.9942	0.0147775505
88680.60	259.01	276.3715	0.0131607371
92041.62	237.3601	254.2111	0.0112396174
95360.59	217.1492	233.586	0.0133259146
98766.53	198.6266	214.6168	0.018019323
102172.63	182.4674	197.9668	0.011365562
105782.61	165.3981	180.3015	0.00781952684
109371.58	150.994	165.4945	0.0176975987
112964.61	137.8773	151.7475	0.00506211418
116547.50	125.8857	139.2356	0.00501437932
120217.56	114.2927	127.0615	0.00247891105
123797.50	104.0221	116.2464	0.00386574702
127290.60	94.8854	106.5901	0.00332400361
130781.62	86.3553	97.5437	0.00447448321
134234.59	78.5401	89.1884	0.00257371327
137592.53	71.4794	81.6282	0.00347793042
140863.60	64.949	74.5971	0.00389987179
143382.60	61.9345	71.3497	0.00376311042
145462.61	60.3052	69.5877	0.00547366422