#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
54943.48	18351.45	19545.33	1.93153048
57249.42	16004.04	17107.16	1.94176209
59743.64	13205.89	14159.03	1.17184043
61965.68	11220.16	12075.85	0.994308805
64183.61	9600.89	10357.04	1.28873581
66431.62	8287.88	8962.06	0.339764624
68703.59	7144.6	7741.27	0.24861617
70981.64	6219.11	6747.97	0.202014851
73282.57	5439.48	5908.19	0.251575039
75653.63	4788.884	5205.75	0.295719462
78093.63	4218.652	4584.972	0.0662238628
80526.41	3750.76	4074.979	0.0691006512
82923.63	3360.946	3648.681	0.061570285
85273.59	3028.846	3284.523	0.101578049
87583.61	2742.71	2970.095	0.0637220527
89859.45	2490.709	2692.472	0.0901975609
92128.42	2267.579	2445.923	0.0657274676
94383.59	2070.201	2227.934	0.063924956
96623.92	1894.421	2033.369	0.0784786595
98855.65	1737.166	1859.243	0.0680595328
101098.42	1595.218	1702.18	0.0674981481
103365.71	1468.704	1562.145	0.0223718573
105618.40	1350.508	1431.566	0.0293666477
107863.62	1242.77	1312.843	0.0213564978
110129.43	1145.804	1206.154	0.0184499322
112393.65	1057.695	1109.591	0.03103063
114672.61	978.22	1022.714	0.0213166602
116981.58	901.882	939.821	0.0240603408
119289.43	833.849	866.103	0.0137876757
121693.60	769.485	796.828	0.0232723011
124091.53	712.237	735.573	0.0218197159
126537.70	656.471	676.286	0.0198595065
129093.60	605.301	622.141	0.0197711912
131640.57	558.529	573.021	0.023767625
134773.63	515.778	528.321	0.0292728543
137499.43	474.4704	485.4299	0.00525823164
140325.73	436.4748	446.1784	0.00543911758
143272.59	401.6475	410.3882	0.00599966666
146393.64	369.3175	377.311	0.00791580697
149831.58	339.5085	346.9393	0.00819640165
153703.64	311.7886	318.7668	0.00956953499
157730.58	286.4063	293.0784	0.00530320658
161904.63	263.0848	269.515	0.01
166170.57	241.4513	247.6981	0.00515839122
170614.67	221.2564	227.3554	0.00449488598
175148.42	202.6773	208.6587	0.00778337973
179763.52	185.8008	191.6867	0.00832111771
184473.49	169.7086	175.4916	0.00516759132
189203.48	154.8031	160.5692	0.0104343663
194013.51	141.1395	146.7511	0.00267001873
198766.44	128.7681	134.2933	0.00276423588
203512.62	117.5445	122.9872	0.00332505639
208318.45	106.8236	112.1796	0.00235881326
213033.51	97.3513	102.6234	0.00314388295
217748.41	88.548	93.7389	0.00214219514
222368.43	80.8605	85.956	0.00300998339
226983.50	73.6024	78.6051	0.00230412673
231724.52	65.744	70.6288	0.00250918313
235473.49	62.6855	67.5209	0.00272928562
238643.51	61.0508	65.8466	0.00265781865