#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
68631.63	17531.45	9864.68	0.486168695
71237.45	13331.52	7770.79	0.382478758
73438.43	11425.62	6789.43	0.288461436
75633.60	9841.39	5956.8	0.207846097
77833.49	8572.83	5280.41	0.278729259
80028.41	7465.87	4677.678	0.16991645
82224.50	6550.8	4172.932	0.10280856
84423.52	5779.6	3740.44	0.104613575
86674.52	5132.86	3372.334	0.117509149
88880.55	4559.619	3042.464	0.0587401055
91085.63	4060.488	2749.713	0.0574116713
93306.48	3630.212	2494.032	0.0710183075
95525.65	3253.817	2266.935	0.0800281201
97753.50	2923.435	2065.128	0.058477346
99983.51	2627.731	1881.889	0.0678741482
102253.52	2370.266	1720.097	0.0941705899
104488.41	2150.178	1579.589	0.0257856549
106715.66	1957.379	1455.384	0.0348482424
108942.64	1786.67	1344.174	0.0252269697
111173.53	1635.435	1244.494	0.0282913414
113405.66	1502.063	1156.072	0.017538529
115638.43	1378.868	1073.038	0.0198896958
117866.48	1267.072	996.843	0.025221023
120128.41	1165.618	926.895	0.0184526421
122391.58	1073.765	862.906	0.0331119314
124662.63	991.055	804.696	0.0221900879
126972.56	912.253	748.504	0.0315658043
129283.50	842.173	698.003	0.0208350666
131603.51	776.399	650.125	0.0321014018
133968.43	718.086	607.124	0.0254636997
136377.41	661.378	564.815	0.0244642596
138858.42	609.44	525.544	0.0239248824
141392.63	561.922	489.047	0.00701997151
143988.45	518.647	455.5274	0.00674121651
146673.50	476.8015	422.8431	0.00811350726
149449.43	438.3993	392.3716	0.00340939877
152355.69	403.2273	364.141	0.0057965507
155938.43	370.1237	337.2097	0.00814499847
159343.49	340.4717	312.8105	0.00756736414
163138.43	312.5259	289.5821	0.00681535032
167073.52	286.7615	267.9034	0.00628999205
171103.51	263.2639	247.92	0.00527636238
175288.40	241.4375	229.1736	0.0066139247
179598.43	221.1734	211.5915	0.00636592491
183978.45	202.542	195.21	0.00901665126
188507.43	185.5839	180.1745	0.00846079193
193023.49	169.5168	165.762	0.00849941174
197733.64	154.4593	152.1639	0.00323558341
202426.42	140.8314	139.7143	0.00367980978
207065.77	128.4698	128.319	0.0021023796
211789.43	117.2251	117.8655	0.00188281704
216555.64	106.5201	107.8241	0.0015195394
221214.63	97.0703	98.8877	0.00319390044
225841.58	88.2935	90.5304	0.0022592034
230405.68	80.6138	83.1466	0.00217347648
234941.62	73.3866	76.1473	0.00268346791
239568.45	65.5651	68.5067	0.00236664319
243286.46	62.5152	65.5081	0.00190499344
246405.67	60.8882	63.911	0.00293257566