#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
69945.44	30616.12	1509.226	0.0421947864
72046.32	30432.79	1504.768	0.0430534551
74378.32	26792.58	1420.095	0.0629483916
78405.44	17317.7	1163.576	0.0552847176
80613.72	14347.55	1065.878	0.0365184885
82825.44	12091.56	982.344	0.0444117102
85073.44	10244.75	907.004	0.0253061257
87335.48	8733.7	839.281	0.0604723077
89570.43	7521.18	779.831	0.0272194783
91805.76	6467.56	723.449	0.0157765649
94057.32	5649.31	675.794	0.0300399734
96308.35	4932.346	630.815	0.0240520269
98641.40	4348.013	591.16	0.0171464282
100978.36	3844.645	554.449	0.0241433221
103247.32	3428.745	521.995	0.0326266762
105532.43	3074.202	492.4319	0.00989489768
107851.51	2770.968	465.7114	0.0113306664
110139.35	2507.08	441.1161	0.0113326519
112414.48	2277.06	418.5093	0.0102039698
114737.31	2072.383	397.2993	0.00573593933
117013.46	1894.982	378.0249	0.00573837956
119286.31	1736.561	359.9801	0.00629197902
121560.63	1592.151	342.8095	0.00777335192
123844.47	1469.02	327.5761	0.00842312294
127387.79	1343.079	311.2188	0.00747636275
130552.51	1244.54	297.8384	0.00828516747
132833.51	1149.207	284.4063	0.00923585405
135156.35	1060.693	271.4465	0.00913591813
137522.43	972.943	258.0675	0.00610286818
139931.47	894.824	245.6268	0.00895857131
142352.43	826.444	234.2933	0.00654224732
144765.43	763.592	223.4378	0.00706229424
147175.51	705.391	212.9879	0.00848581169
149647.43	651.058	202.8272	0.00627980891
152165.43	599.365	192.7917	0.0073973644
154760.47	553.775	183.5345	0.00403298897
157362.47	509.083	174.1383	0.00923152208
160070.47	468.7883	165.3502	0.00854845015
162843.47	430.688	156.6039	0.00176323566
165750.47	395.7999	148.3509	0.00254735157
168748.59	363.5018	140.4067	0.00211210795
171887.35	333.968	132.8789	0.00196697738
175476.34	306.8836	125.7181	0.00267749883
179607.42	281.7295	118.829	0.00159373775
183855.46	258.1221	112.129	0.00222261108
188431.39	236.6542	105.8138	0.00200399601
192693.42	216.9454	99.8174	0.00253456111
197095.46	198.5894	94.0308	0.00283830936
201535.46	182.4965	88.7868	0.00258379566
206208.34	165.5123	83.0435	0.00189868375
210752.37	151.2454	78.0655	0.00365034245
215330.46	138.1517	73.3247	0.00202014851
219855.54	126.2341	68.8616	0.00386833297
224443.38	114.7471	64.4067	0.00317820704
228981.38	104.4941	60.3048	0.00236558661
233335.46	95.4572	56.5735	0.00248696602
237782.50	86.9697	52.9607	0.00327429382
242148.34	79.2478	49.55108	0.000671833313
246416.34	72.2465	46.39232	0.000538107796
250672.46	65.7427	43.37129	0.00105531512
253997.34	62.6759	41.91776	0.000723491534
256949.34	60.9816	41.1068	0.000626418391