#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
68813.64	17527.28	19658.93	1.40000357
71418.41	13330.85	15037.95	0.620523972
73618.42	11425.09	12926.58	0.207267943
75815.79	9840.4	11167.5	0.313049517
78014.49	8571.14	9753.71	0.357057418
80208.41	7466.05	8515.74	0.30469657
82406.43	6550.5	7487.53	0.289153938
84604.52	5780.17	6617.52	0.386212377
86856.45	5132.43	5884.02	0.378364903
89062.58	4559.733	5236.68	0.16358484
91267.43	4060.253	4665.325	0.0698032951
93488.44	3630.251	4173.53	0.0747127834
95707.42	3253.886	3741.482	0.0719138373
97933.46	2923.362	3361.059	0.0791384862
100163.51	2628.11	3019.747	0.0852062204
102435.60	2370.401	2721.615	0.0561114961
104668.41	2150.113	2466.003	0.0791713332
106897.42	1957.239	2241.897	0.0664838326
109124.52	1786.514	2043.229	0.0608678897
111353.54	1635.31	1866.943	0.0706406399
113587.41	1502.087	1712.467	0.0682502747
115818.43	1378.825	1568.318	0.0261457454
118048.44	1267.046	1438.136	0.0332024096
120308.41	1165.568	1320.307	0.0236241402
122573.50	1073.672	1213.804	0.0290585616
124844.52	990.948	1118.12	0.0224944438
127155.65	912.137	1027.206	0.0249479458
129465.77	842.157	946.829	0.0240603408
131785.67	776.371	871.599	0.0229106962
134148.44	718.079	805.11	0.0188679623
136558.42	661.393	740.903	0.0264215821
139038.42	609.422	682.202	0.0354062141
141574.52	561.953	628.802	0.0356033706
144168.46	518.585	580.259	0.0145910932
146853.51	476.7035	533.799	0.036206353
149631.64	438.3056	490.9376	0.00808727395
152537.41	403.1377	451.9795	0.00758056726
156119.43	370.0293	415.3827	0.00726780572
159524.53	340.3336	382.6207	0.004331397
163318.43	312.3789	351.841	0.00829819257
167255.69	286.6338	323.4808	0.00811147336
171283.63	263.1267	297.6154	0.00835487881
175469.45	241.3079	273.6069	0.00874922854
179778.42	221.0515	251.2991	0.0073436367
184161.65	202.4309	230.7399	0.00394829077
188688.43	185.4626	212.0169	0.00852578442
193203.61	169.3714	194.238	0.00686440092
197915.67	154.3548	177.655	0.0114873844
202608.42	140.7267	162.5249	0.0102571439
207247.44	128.3834	148.7106	0.00355021126
211971.63	117.1462	136.1738	0.00259923066
216737.41	106.4501	124.1992	0.00216240607
221396.44	97.0013	113.5998	0.0026487733
226023.50	88.2383	103.7365	0.00326266762
230587.44	80.5658	95.0744	0.00202089089
235123.58	73.3427	86.8984	0.00183956517
239748.40	65.5242	78.0167	0.00275336158
243468.42	62.4777	74.5537	0.00297001683
246587.44	60.8586	72.6929	0.00183002732