#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
53241.63	29928.66	21581.55	0.562716625
54762.56	29769.92	21478.86	0.294006803
56492.61	26796.87	19519.1	0.175499288
58163.49	21538.17	16007.35	1.53370467
60053.51	17474.77	13251.31	0.420107129
61632.64	14491.21	11171.03	3.32412545
63208.41	12076.9	9457.68	0.913761457
64788.42	10153.67	8072.99	0.171143215
66363.51	8614.13	6946.43	0.284622557
67938.44	7340.77	6000.67	0.226737734
69513.53	6358.38	5258.77	0.175527776
71094.49	5511.9	4609.039	0.0820542503
72683.49	4825.039	4078.37	0.0347850543
74259.42	4238.429	3616.626	0.0103150376
75843.64	3750.444	3228.159	0.0275118156
77424.57	3336.157	2894.177	0.0313384748
79006.46	2982.181	2605.821	0.0366456
80583.50	2675.885	2353.513	0.0215429803
82158.43	2411.684	2133.554	0.0169233566
83733.52	2179.703	1939.085	0.0182345825
85313.52	1979.989	1769.79	0.00824621125
86934.49	1802.647	1618.492	0.012149074
88519.42	1644.663	1482.299	0.0204670467
90119.43	1510.241	1366.441	0.00780384521
91717.43	1372.582	1246.708	0.00442718872
93319.45	1260.58	1148.758	0.00340587727
94916.46	1159.728	1060.303	0.00470106371
96617.43	1068.975	980.329	0.0033015148
98230.59	981.978	903.497	0.00600832755
99841.60	904.69	835.129	0.0059076222
101471.61	835.763	774.008	0.00419523539
103101.58	770.82	716.292	0.00704272674
104741.55	710.52	662.674	0.00603324125
106413.68	654.777	613.015	0.0040620192
108099.44	601.809	565.798	0.00419523539
109817.45	555.265	524.282	0.00236643191
111583.50	510.166	483.7714	0.00908757393
113398.43	469.4167	447.4901	0.00220658107
115293.52	431.0445	413.0742	0.00179332094
117253.50	396.0553	381.6189	0.00188917972
119313.50	363.6262	352.3863	0.00145636534
121509.43	333.8265	325.4362	0.00101784085
123930.61	306.194	300.3565	0.000919238816
126593.50	280.7474	277.1458	0.00183193886
129373.51	257.1267	255.5023	0.00129653384
132218.45	235.7207	235.7793	0.00162511538
135178.42	215.6053	217.1456	0.00114192819
138203.52	197.1796	199.9636	0.0014366628
141243.50	181.0061	184.7905	0.00154434452
144450.60	163.9071	168.6403	0.00129653384
147663.50	149.6235	155.0488	0.000846167832
150873.51	136.5531	142.5218	0.000745654075
154143.53	124.6269	131.0111	0.000842021377
157403.51	113.1454	119.8481	0.000740945342
160670.61	102.9326	109.845	0.0006
163936.47	93.8843	100.9211	0.000411096096
167139.45	85.4802	92.5719	0.000623698645
170285.67	77.791	84.8824	0.000451663592
173371.59	70.8399	77.88	0.000244948974
176333.57	64.4034	71.352	0.000424264069
179053.54	61.4151	68.3027	0.000284604989
181533.59	59.8335	66.6847	0.000530094331