#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
68797.32	30777.85	18795.21	0.966276358
70900.43	30512.84	18652.75	0.789841756
73225.44	26776.28	16635.26	1.51889433
75514.40	22026.44	14023.22	0.749239615
79471.12	14374.45	9649.27	1.00479351
81679.31	12101.24	8289.17	0.597837771
83917.32	10257.81	7162.22	0.437218481
86177.31	8736.01	6219.24	0.518690659
88430.47	7513.21	5439.15	0.157003185
90664.39	6470.79	4761.307	0.198000253
92911.47	5651.52	4220.785	0.092284885
95168.31	4933.271	3739.341	0.0611792448
97502.39	4348.841	3339.337	0.0589754186
99837.35	3844.969	2988.724	0.0571874112
102115.43	3428.966	2694.732	0.100874179
104389.35	3074.725	2440.846	0.11038297
106713.43	2771.407	2220.617	0.0816094357
108999.35	2507.699	2026.225	0.0716414684
111272.47	2277.56	1854.76	0.0560178543
113593.40	2072.914	1700.55	0.056833089
115878.35	1895.222	1564.713	0.0311143054
118148.90	1736.878	1442.996	0.0247870934
120418.35	1592.725	1331.245	0.0235902522
122702.39	1469.417	1235.295	0.0265800677
126240.43	1345.396	1137.575	0.0310885831
129401.43	1243.316	1056.542	0.0190682983
131692.39	1149.455	981.571	0.023767625
134015.46	1061.046	910.608	0.0251316533
136382.95	973.363	839.863	0.0180027776
138792.51	895.247	776.556	0.022680388
141205.43	826.963	720.93	0.0312409987
143623.39	764.096	669.613	0.0231969826
146038.35	705.91	621.835	0.0300416378
148504.43	651.587	577.118	0.0247709507
151023.47	599.799	534.398	0.0198896958
153623.39	554.334	496.5656	0.00700171408
156225.47	510.004	459.7645	0.0059820565
158912.15	469.5674	426.2049	0.0101562296
161706.31	431.5614	394.3635	0.00878208404
164616.31	396.6944	365.0408	0.00665402134
167610.47	364.5804	337.8962	0.0107868438
170741.39	335.3146	313.0578	0.00888909444
174328.34	308.1659	289.8675	0.00920461841
178458.38	283.143	268.3984	0.00674862949
182682.42	259.4041	247.8826	0.00597528242
187288.55	237.6596	228.9302	0.00811640314
191551.50	218.1549	211.8298	0.0056987718
195947.34	199.7027	195.5404	0.00868124415
200391.86	183.5051	181.1052	0.0089541052
205065.46	166.4448	165.7899	0.00747455684
209609.33	152.1104	152.8061	0.00257468445
214191.50	138.9342	140.7634	0.00291273068
218718.38	126.9574	129.7203	0.00253396922
223292.50	115.4115	118.9825	0.00279016129
227830.46	105.089	109.2984	0.00355584027
232197.34	96.0171	100.7106	0.00404524412
236633.45	87.4519	92.5304	0.00272836948
241000.58	79.6781	85.0463	0.00261935106
245271.86	72.6294	78.2057	0.00311143054
249535.46	66.0758	71.7802	0.00215777663
252847.35	62.99	68.7481	0.00311271586
255810.46	61.2059	66.98	0.00163707055