#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
41996.52	18736.18	25480.67	26.8026232
49561.60	13556.51	18154.65	1.55719299
52019.41	11257.92	14958.37	1.64079554
54442.59	9484.38	12504.09	1.7455343
57045.72	8066.23	10545.95	2.26888739
59618.41	6860.92	8898.62	3.63765859
62164.62	5908.44	7605.77	0.861748223
64611.59	5176.63	6611.22	1.55549349
76093.58	4252.251	5377.106	0.320000625
78298.43	3866.932	4858.837	0.516906278
80508.43	3503.256	4372.911	0.197638306
82738.41	3177.796	3939.663	0.688334294
84948.42	2887.321	3555.976	0.523994656
87182.59	2628.482	3215.129	0.181148834
89422.60	2399.263	2914.656	0.0772683635
91640.57	2194.897	2648.008	0.253999213
93862.58	2013.557	2412.834	0.13939297
96078.43	1849.628	2201.007	0.101951459
98321.61	1698.803	2007.726	0.123249341
100585.73	1563.438	1835.643	0.168932235
102842.55	1442.144	1681.816	0.146247735
105088.45	1330.501	1540.124	0.0268774999
107336.49	1227.822	1411.616	0.0296378137
109598.42	1134.152	1295.394	0.0429930227
111860.59	1048.552	1189.787	0.0580870037
114133.60	970.845	1094.734	0.0349342239
116428.46	895.962	1003.979	0.0376417322
118735.75	829.023	923.428	0.0398697881
121090.60	765.61	847.837	0.0202509259
123452.57	709.027	781.078	0.0153492671
125879.42	653.948	716.58	0.0286006993
128361.59	603.307	657.856	0.0255812431
130909.45	556.86	604.436	0.0218265893
133550.57	514.441	556.19	0.0253771551
136286.47	473.4636	510.01	0.0404722127
139110.61	435.6499	467.4362	0.012415152
142198.42	401.2786	429.1596	0.00534265851
145390.60	369.1071	393.5674	0.00766054828
149879.54	339.341	360.8182	0.0104266965
153748.44	311.6814	330.565	0.00887580982
157738.42	286.3559	302.9877	0.00452117241
161819.44	263.1666	277.8586	0.0134923682
166053.50	241.5362	254.5173	0.00953734764
170408.44	221.4569	232.9131	0.00376948272
174820.58	202.9574	213.0911	0.00798179178
179358.48	186.0784	195.0241	0.00987466455
183985.67	169.991	177.8883	0.00838933847
188683.56	155.04	162.0794	0.0119934982
193314.63	141.491	147.6501	0.00449544214
198003.49	129.0281	134.4957	0.00335276006
202629.43	117.8197	122.69	0.00375765885
207328.45	107.067	111.4004	0.00313113398
211950.60	97.5694	101.4599	0.00339838197
216571.58	88.7547	92.2667	0.00451009978
221108.48	81.057	84.2508	0.0033430525
225640.58	73.7603	76.679	0.00343511281
230235.76	65.8953	68.5408	0.00144775689
233926.42	62.8157	65.3648	0.0017538529
237015.63	61.1814	63.6768	0.00247709507