#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
54656.32	33797.96	10541.46	0.142267354
57596.33	31063.05	9815.2	0.424264069
61542.44	26417.39	8555.57	0.246190983
63532.46	21149.79	7092.57	0.669484877
65516.31	17253.26	5976.82	0.311384007
67495.46	14312.93	5113.89	0.311592683
69480.44	11942.62	4393.285	0.132213842
71458.31	10052.34	3805.626	0.0461995671
73441.45	8541	3322.985	0.0673832323
75404.34	7287.85	2913.337	0.0428263937
77377.34	6320.03	2589.386	0.128687218
79343.47	5482.8	2302.912	0.0598798798
81310.45	4803.46	2066.969	0.0532249941
83273.39	4222.433	1860.008	0.0753498507
85237.34	3738.338	1684.37	0.0344963766
87177.31	3327.233	1531.806	0.0458955336
89138.31	2975.417	1399.785	0.0449054562
91106.33	2670.613	1283.544	0.0448374843
93390.42	2407.501	1181.635	0.0395537609
95353.43	2176.539	1090.886	0.0429231872
97326.32	1977.083	1011.355	0.0437778483
99522.40	1799.571	939.584	0.0348769265
101507.32	1641.705	875.034	0.0254243977
103486.33	1507.527	819.767	0.00748999332
105466.30	1370.317	762.066	0.00764198927
107445.45	1258.674	714.449	0.00555877684
109636.32	1158.073	670.93	0.006
111633.42	1067.549	631.206	0.00940212742
113824.34	980.8	592.48	0.00447213595
115819.32	903.78	557.514	0.00352136337
118008.33	835.089	525.725	0.00494974747
120202.37	770.367	495.0206	0.0247871741
122256.32	710.124	466.0148	0.0193730741
124542.39	654.399	438.571	0.0171201636
126733.41	601.376	411.7936	0.0155294559
129195.44	554.846	387.7042	0.0155767776
131591.49	509.913	363.7284	0.0157208142
133934.33	469.1473	341.6467	0.00180027776
136980.44	430.7889	320.1373	0.00358901101
139863.37	395.7803	299.9923	0.00162511538
142757.33	363.343	280.8149	0.00225144398
146281.47	333.6342	262.8362	0.00215777663
149439.33	306.1121	245.7107	0.00342651426
155101.48	280.6454	229.5104	0.00115931014
160669.32	257.7251	214.5799	0.00197205477
166239.32	236.1714	200.217	0.00308868904
171987.32	216.0679	186.5238	0.00213447886
177940.48	197.6574	173.6996	0.00240914923
183970.45	181.5767	162.2608	0.0017595454
190181.45	164.61	149.8305	0.00562361094
196386.31	150.2404	139.2376	0.00192976683
202512.48	137.1973	129.3382	0.001713476
208543.46	125.3126	120.1338	0.00124739729
214659.31	113.8037	111.0348	0.00135499077
220678.33	103.5821	102.7865	0.00111579568
226521.42	94.5259	95.3349	0.000767463354
232274.31	86.0853	88.2504	0.00157607106
237933.38	78.3426	81.63	0.000774596669
243412.36	71.3491	75.5325	0.000380788655
248717.32	64.8566	69.7628	0.00096747093
253298.32	61.8212	67.0253	0.000980306075
257063.37	60.2442	65.5937	0.00118363846