#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
67970.60	17553.23	445.98	0.0181565415
70575.69	13326.27	408.9861	0.00907573688
72777.42	11427.59	389.2283	0.00641880051
74977.43	9841.26	370.6065	0.00660492241
77173.52	8571.56	353.8821	0.00924818901
79369.45	7466.15	337.6768	0.00898309523
81566.46	6550.59	322.7348	0.00814346364
83762.63	5778.76	308.842	0.00894427191
85963.49	5132.79	296.0292	0.00850623301
88223.49	4559.758	283.6169	0.0066052252
90428.43	4060.425	271.7485	0.00360347055
92644.51	3630.186	260.5678	0.00680705516
94865.65	3253.787	249.9466	0.00665462245
97098.42	2923.335	239.8332	0.00773666595
99327.43	2628.238	230.0206	0.00559499777
101592.64	2370.526	220.7686	0.00525965778
103828.41	2150.521	212.278	0.0084923495
106056.42	1957.906	204.3038	0.00992149182
108283.52	1787.023	196.7338	0.00747903737
110515.65	1635.698	189.5838	0.00752037233
112746.46	1502.468	182.9583	0.00762502459
114983.50	1379.155	176.4032	0.0065449217
117207.44	1267.504	170.1083	0.00559115373
119468.45	1165.998	164.0447	0.00849240837
121729.42	1074.245	158.1895	0.00249499499
124001.63	991.541	152.6762	0.00337283264
126310.60	912.649	147.11	0.00201494417
128625.66	842.655	141.8949	0.00274390233
130945.63	776.895	136.7219	0.00335097001
133310.60	718.527	131.8705	0.00184526421
135715.65	661.878	126.9019	0.00196188685
138200.58	609.893	122.0697	0.00277866875
140732.63	562.433	117.4127	0.00183330303
143328.45	519.095	112.9288	0.00318998433
146015.66	477.2764	108.3773	0.00207870152
148790.59	438.8868	103.945	0.00250998008
151697.41	403.7219	99.6593	0.00253396922
155283.51	370.5073	95.3898	0.00334604244
158683.52	341.2	91.4272	0.00191728975
162480.58	313.2714	87.463	0.00269443872
166416.48	287.5015	83.6167	0.00182236111
170443.50	264.0062	79.9294	0.00303380949
174633.48	242.1118	76.321	0.0031144823
178941.58	221.8554	72.813	0.00224499443
183321.65	203.1747	69.4137	0.00258089132
187833.67	186.144	66.1642	0.00174814187
192361.65	170.0645	62.9313	0.00220476756
197071.63	154.9338	59.7556	0.00242156974
201768.42	141.2717	56.7247	0.00278585714
206404.52	128.8927	53.8301	0.00354809808
211063.62	117.6341	51.0695	0.00360901649
215893.60	106.8565	48.27042	0.00105278678
220553.50	97.3799	45.71292	0.00100227741
225179.45	88.5843	43.22631	0.000573837956
229745.67	80.8615	40.94189	0.000787965735
234279.42	73.6065	38.70428	0.0011180161
238907.44	65.7571	36.16618	0.000590050845
242627.42	62.6951	35.13674	0.000764748325
245748.43	61.0598	34.57945	0.000720728798