#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
69163.44	30713.1	51027.06	4.41522819
71261.43	30478.55	50629.63	3.76961669
73594.36	26781.17	44168.03	2.52638279
75876.32	18876.54	30616.37	13.9998218
79832.48	14373.94	22989.02	1.25242165
82048.31	12102.04	19197.38	3.68623928
84286.31	10257.83	16125.68	2.08373703
86556.36	8739.58	13629.54	1.54694538
88796.36	7516.36	11622.13	0.615962661
91025.63	6468.49	9917.92	0.515906968
93275.43	5650.66	8603.17	0.28707142
95533.91	4932.836	7455.35	0.217830209
97863.52	4348.374	6524.33	0.321885073
100198.31	3844.776	5726.26	0.263514705
102475.44	3428.244	5069.19	0.249979999
104753.39	3074.32	4512.087	0.090432848
107075.43	2771.338	4038.793	0.078588167
109361.43	2507.532	3628.228	0.0712432453
111636.35	2277.373	3271.953	0.0766948499
113956.35	2072.547	2956.558	0.0800974407
116238.35	1895.057	2684.279	0.0485273119
118514.43	1736.721	2442.572	0.0426567697
120781.43	1592.39	2223.779	0.0820786208
123069.35	1469.169	2038.793	0.0507552953
126607.35	1344.448	1851.588	0.0647116682
129769.35	1243.898	1701.435	0.0773853991
132056.35	1149.347	1560.937	0.0303660995
134379.35	1060.937	1431.135	0.0298747385
136748.36	973.187	1303.464	0.0291958901
139156.35	895.037	1190.771	0.0302803567
141568.31	826.708	1093.105	0.0232056028
143989.35	763.876	1004.104	0.0347044666
146398.30	705.618	922.399	0.0247568172
148868.39	651.236	846.941	0.0144533733
151383.47	599.568	775.775	0.016507574
153989.35	553.924	713.612	0.0264121184
156586.36	509.46	653.557	0.0292249893
159279.35	469.1877	599.876	0.0317238081
162067.31	431.1252	549.296	0.0272470182
164975.47	396.264	503.431	0.0315737233
167970.54	364.118	461.2198	0.00751505156
171105.47	334.8012	423.1481	0.00520278771
174690.47	307.6938	388.155	0.0102362102
178825.94	282.5933	355.8873	0.00690369466
183047.34	258.9175	325.6353	0.0105128968
187648.34	237.2806	298.0795	0.0103568818
191915.50	217.6814	273.1932	0.00601631116
196316.33	199.2776	249.9094	0.00666813317
200752.99	183.1242	229.5373	0.00461746684
205428.34	166.1144	208.0919	0.00753452056
209975.46	151.7761	190.2021	0.0128898798
214557.33	138.6297	173.7141	0.0113731702
219082.45	126.6837	158.7235	0.0143994792
223659.33	115.162	144.3241	0.00390243514
228197.34	104.8645	131.4896	0.00311833289
232558.35	95.8009	120.196	0.00387298335
237002.38	87.2662	109.5835	0.00383731677
241366.34	79.506	99.9404	0.00168641632
245638.34	72.4885	91.2058	0.00311704989
249898.34	65.9465	83.0785	0.00300749065
253213.46	62.8739	79.2607	0.00209785605
256169.34	61.1218	77.0963	0.00182784026