#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
68888.32	30758.04	9619.22	0.523793853
70990.44	30504.42	9558.38	0.418760075
73317.32	26779.78	8689.46	0.486867538
75605.45	21027.58	7489.58	25.672763
79561.52	14369.46	5510.82	0.265631323
81771.40	12104.37	4852.682	0.31678005
84009.31	10257.16	4293.659	0.187432388
86269.12	8737.05	3810.172	0.20021888
88521.47	7513.85	3404.19	0.0853814968
90754.39	6469.7	3042.315	0.0722668665
93001.47	5651.69	2748.168	0.0767697857
95258.31	4932.97	2480.347	0.0563923754
97593.51	4348.936	2253.275	0.0734200245
99927.31	3845.081	2050.429	0.0761373758
102206.31	3428.859	1877.36	0.0851586754
104481.39	3074.495	1725.628	0.0738349511
106803.51	2771.146	1591.604	0.0951230782
109090.43	2507.552	1471.231	0.0328466132
111363.39	2277.562	1364.002	0.0231862028
113684.47	2072.842	1266.079	0.0225144398
115968.35	1895.234	1179.155	0.0322877686
118239.31	1736.898	1099.891	0.0212814473
120509.35	1592.78	1026.027	0.0246596837
122793.51	1469.372	962.113	0.0209308385
126329.35	1345.162	895.999	0.0280160668
129494.51	1243.497	840.8	0.0149666295
131784.46	1149.411	788.892	0.0180997238
134106.30	1060.988	739.22	0.018493242
136475.46	973.298	689.115	0.0194036079
138883.39	895.151	643.743	0.028567464
141297.31	826.836	603.339	0.0176889796
143713.51	763.99	565.667	0.0170323222
146128.35	705.796	530.201	0.021515111
148595.51	651.486	496.4882	0.00717328377
151113.63	599.755	463.9995	0.00859796488
153715.47	554.253	434.9547	0.00704279774
156315.47	509.853	406.2481	0.00554698116
159007.39	469.455	379.8489	0.00858655926
161795.47	431.4359	354.4845	0.00626936998
164707.31	396.5548	330.8477	0.00605813503
167700.46	364.4496	308.7089	0.00747054215
170834.38	335.1689	288.2589	0.0114450426
174418.35	308.0243	268.9696	0.00635484067
178549.34	282.9803	250.8863	0.00921091744
182773.38	259.2737	233.4706	0.00902019955
187378.34	237.5541	217.2463	0.00499009018
191644.38	218.0155	202.374	0.0100119928
196037.34	199.5846	188.1038	0.0063068217
200482.50	183.3967	175.3497	0.00644523079
205155.49	166.3552	161.6596	0.00882405802
209703.45	152.0231	149.9298	0.0029387072
214282.50	138.8602	138.9411	0.00517194354
218808.34	126.8806	128.7683	0.00384460661
223384.38	115.346	118.7878	0.00386212377
227920.66	105.032	109.7028	0.00240333102
232287.34	95.9599	101.5653	0.00345268012
236724.62	87.4032	93.7576	0.00249479458
241090.46	79.636	86.5471	0.00249979999
245362.42	72.5905	79.8985	0.00217370651
249625.51	66.0367	73.6119	0.0023767625
252938.34	62.956	70.6215	0.00339190212
255900.46	61.1819	68.8911	0.00291701903