#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
68243.52	17547.24	10645.95	1.11939716
70848.45	13327.5	8082.02	0.421141306
73049.42	11425.1	6924.9	0.267581763
75248.43	9840.58	5961.91	0.298814324
77446.44	8571.3	5191.17	0.352718018
79642.61	7466.51	4517.742	0.175566512
81838.42	6550.91	3961.221	0.0611138282
84035.76	5780.2	3492.448	0.0712713126
86236.48	5132.18	3098.785	0.0719478978
88493.50	4559.681	2751.18	0.0656810475
90698.43	4060.239	2446.624	0.10546279
92917.43	3630.214	2184.117	0.0724851709
95138.45	3253.766	1954.678	0.0994967336
97368.42	2923.121	1752.822	0.0761813626
99598.43	2628.189	1571.237	0.0392950379
101864.48	2370.209	1413.886	0.0334424879
104099.45	2150.51	1279.565	0.0343292878
106328.42	1957.734	1161.777	0.0316243577
108553.52	1786.956	1057.598	0.028975852
110788.45	1635.673	965.337	0.019851952
113018.42	1502.172	884.481	0.0305434117
115253.51	1379.018	809.602	0.020238577
117478.43	1267.204	741.844	0.0370189141
119739.41	1165.813	680.502	0.0189103146
122002.62	1073.924	625.16	0.013114877
124273.51	991.211	575.56	0.0177763888
126583.52	912.375	528.438	0.0243228288
128898.41	842.338	455.1977	0.00679418869
131218.43	776.637	419.0191	0.00749459805
133583.52	718.358	387.2687	0.0074431848
135988.45	661.667	356.5208	0.00650814874
138473.50	609.633	328.4211	0.00493649673
141003.52	562.227	302.8597	0.00775377327
143599.45	518.941	279.7202	0.00431462629
146288.42	477.0273	257.6061	0.00705187918
149063.52	438.6107	237.3114	0.00839785687
151968.41	403.4895	218.7956	0.00822702863
155553.51	370.3147	201.4766	0.0101392307
158956.45	340.8307	186.0619	0.0110203902
162753.50	312.8931	171.509	0.00826559133
166688.45	287.1451	158.1919	0.0241910934
170714.50	263.6465	145.9613	0.0218133216
174903.48	241.7881	134.6218	0.0270143665
179213.58	221.5209	124.1092	0.0177424914
183593.49	202.8766	114.4851	0.0133240009
188110.51	185.8901	105.6596	0.0156730342
192634.49	169.7869	97.2324	0.0274769722
197344.51	154.7201	89.4848	0.00948451369