#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
68540.60	17533.85	19165.47	1.25236177
71146.45	13328.69	14674.58	0.406890649
73347.42	11426.61	12632	0.439772669
75543.47	9840.51	10919.42	0.27342275
77743.53	8573.46	9544.78	0.304893424
79938.43	7465.02	8336.73	0.313384748
82133.63	6550.48	7334.71	0.249178651
84333.51	5779.88	6486.67	0.435671895
86583.56	5133.24	5772.79	0.306088223
88789.42	4559.729	5139.17	0.318449368
90994.50	4060.334	4581.526	0.137689506
93215.68	3630.379	4100.274	0.0647950615
95434.53	3253.891	3677.671	0.0654133014
97663.50	2923.447	3305.318	0.0742670856
99893.51	2627.736	2971.006	0.0599032553
102162.48	2370.374	2678.538	0.0665552402
104397.41	2150.119	2428.162	0.0776891241
106624.62	1957.324	2208.327	0.0429662658
108851.60	1786.632	2013.245	0.0621007246
111083.49	1635.391	1840.251	0.0892350828
113314.49	1502.051	1688.249	0.0857373897
115548.44	1378.856	1546.824	0.0250679078
117775.76	1267.101	1418.842	0.0230564525
120037.45	1165.639	1302.96	0.0205912603
122300.58	1073.846	1198.131	0.0108120303
124571.64	991.159	1104.038	0.0184824241
126881.65	912.271	1014.472	0.0191206694
129193.50	842.238	935.357	0.0329256739
131513.51	776.449	861.239	0.0295787086
133878.44	718.151	795.757	0.0212626433
136286.45	661.449	732.396	0.0166853229
138768.42	609.506	674.619	0.0198217053
141301.63	561.973	621.893	0.0189235303
143897.45	518.68	574.086	0.0248676497
146583.51	476.8396	528.215	0.0315673882
149358.43	438.4305	485.9174	0.00914133469
152264.53	403.2889	447.456	0.00881022134
155848.42	370.1593	411.2781	0.00638975743
159253.49	340.5392	379.0176	0.0058278641
163048.42	312.5989	348.6111	0.00887744333
166983.53	286.8446	320.5869	0.00969169748
171012.62	263.3551	295.0222	0.00589881344
175198.44	241.5142	271.2579	0.00703484186
179508.42	221.2439	249.1956	0.00478581237
183888.44	202.6228	228.8558	0.00786485855
188416.46	185.6553	210.3123	0.00971807594
192932.49	169.5687	192.7028	0.00588523576
197642.64	154.5113	176.2634	0.00871114229
202335.70	140.8755	161.2631	0.00989085436
206974.52	128.5202	147.5741	0.00330590381
211697.86	117.2764	135.1296	0.00386574702
216464.61	106.5542	123.2504	0.00237571042
221123.63	97.1041	112.7314	0.00198090888
225750.57	88.3267	102.9405	0.0027358728
230314.63	80.6442	94.339	0.00405462699
234850.58	73.4117	86.2097	0.00199022612
239478.44	65.5871	77.3821	0.00153915561
243195.79	62.5315	73.9313	0.00234968083
246314.63	60.905	72.0889	0.00259403161