#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
69111.64	17522.11	9861.93	0.586182565
71715.65	13331.76	7771.22	0.382047118
73915.62	11426.3	6788.53	0.298345437
76113.52	9840.3	5957.33	0.187643279
78312.60	8572.26	5280.54	0.34473178
80503.50	7466.49	4677.664	0.143862434
82703.51	6550.33	4172.595	0.127978514
84902.64	5780.82	3740.963	0.093520586
87153.49	5132.31	3372.24	0.0529528092
89358.41	4559.683	3042.403	0.0641880051
91565.68	4060.427	2749.761	0.11051199
93786.45	3630.169	2493.806	0.0336808551
96005.61	3253.713	2266.833	0.0899227446
98229.42	2923.285	2065.078	0.0714954544
100458.44	2627.859	1881.941	0.0869994253
102733.48	2370.278	1720.101	0.0485685083
104963.50	2149.994	1579.488	0.0271219468
107193.51	1957.334	1455.324	0.0406743162
109422.64	1786.719	1344.2	0.0134907376
111648.45	1635.149	1244.29	0.0230217289
113883.50	1501.964	1155.932	0.0276694778
116113.51	1378.807	1072.922	0.0238243573
118346.44	1267.038	996.875	0.0368035324
120603.49	1165.576	926.834	0.0106957936
122868.42	1073.631	862.838	0.0154142791
125142.63	990.873	804.578	0.0216240607
127453.52	912.039	748.434	0.0188255146
129763.50	842.003	697.959	0.0189446562
132083.51	776.197	649.989	0.028193971
134443.52	718.075	607.115	0.0360901649
136853.49	661.307	564.678	0.0296243143
139333.51	609.284	525.433	0.0234968083
141872.64	561.804	488.9275	0.00636906587
144465.65	518.484	455.3698	0.00801847866
147148.42	476.6086	422.6897	0.00508340437
149928.44	438.1829	392.2026	0.00868009217
152835.65	403.0322	363.9594	0.00940446702
156417.43	369.939	337.064	0.00517687164
159822.61	340.1488	312.5609	0.00852812992
163614.63	312.1894	289.3057	0.00986818119
167553.52	286.431	267.6289	0.01097857
171581.63	262.9144	247.6397	0.00728017857
175767.40	241.1098	228.8628	0.00500159974
180073.63	220.857	211.2895	0.00630277717
184458.45	202.2376	194.9342	0.0102925216
188985.63	185.3029	179.9113	0.00470329672
193501.61	169.2214	165.5149	0.00538785672
198213.64	154.2178	151.9436	0.00249879971
202905.66	140.5998	139.5063	0.00259248915
207545.68	128.2556	128.1234	0.00260844781
212268.43	117.0334	117.6926	0.00252665787
217035.69	106.3446	107.6666	0.00151129084
221693.63	96.9118	98.7431	0.00163370744
226318.41	88.1543	90.3949	0.00251575039
230885.72	80.4994	83.0307	0.00234115356
235421.63	73.2796	76.0459	0.00260940606
240045.65	65.4661	68.4196	0.00206009709
243765.66	62.4288	65.4323	0.00308236922
246884.64	60.8183	63.8363	0.00217738375