#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
48209.43	18902.39	5841.376	2.25094478
50351.65	17809.99	5586.499	1.28805237
52542.61	13473.88	4554.519	0.26669252
54432.63	11530.78	4056.584	0.26090688
56318.43	9902.02	3621.042	0.301220185
58213.61	8592.14	3257.243	0.0919679292
60098.42	7477.08	2934.277	0.080000625
61981.63	6552.31	2655.031	0.0831558777
63866.43	5773.72	2411.441	0.0766217985
65822.60	5160.41	2212.606	0.145589835
67719.45	4569.17	2016.768	0.152307584
69610.58	4068.237	1842.066	0.110952242
71501.62	3639.64	1688.685	0.0697746372
73392.63	3265.067	1549.607	0.0537596503
75293.64	2933.195	1423.127	0.0219111844
77223.49	2638.82	1307.622	0.0207267943
79122.62	2387.063	1206.226	0.030665942
81022.59	2167.307	1115.291	0.0378007936
82922.63	1972.333	1032.483	0.0251017928
84820.57	1798.852	957.33	0.0286705424
86722.62	1646.179	889.501	0.0202212759
88631.58	1511.77	828.851	0.0172887246
90538.43	1386.639	771.08	0.0253771551
92453.49	1273.374	717.901	0.016878981
94383.49	1171.611	669.27	0.0140712473
96330.58	1079.235	624.381	0.027944588
98293.54	996.087	583.336	0.0276839304
100252.63	916.577	543.611	0.0339543812
102223.49	845.761	507.675	0.0187749834
104248.41	779.176	473.3741	0.0066504887
106298.42	720.335	442.7799	0.00974315144
108390.60	663.184	412.7309	0.00955662074
110515.81	610.987	384.8925	0.0103094617
112713.62	563.283	359.1507	0.00829463682
114992.62	519.758	335.44	0.00759473502
117352.63	477.6915	312.3489	0.00755175476
119826.49	439.1854	290.818	0.00849117189
122399.43	403.9123	270.8881	0.00471900413
125103.47	371.1613	252.1349	0.00801554739
128025.65	341.0373	234.6689	0.00543957719
131323.62	313.0008	218.2078	0.00727296363
134772.64	287.099	202.7997	0.0062706459
139743.62	262.7173	188.095	0.00671863081
143492.64	241.342	174.9884	0.00893106936
147393.61	221.0648	162.4003	0.00907860121
151373.60	202.4125	150.6054	0.00289205809
155428.42	185.4455	139.784	0.00188148877
159492.64	169.3346	129.3372	0.00265631323
163702.61	154.3168	119.4874	0.00340646444
167902.61	140.6768	110.3767	0.00289499568
172108.46	128.2711	101.9731	0.00196188685
176388.44	117.0275	94.2365	0.00246272207
180673.57	106.342	86.7852	0.00280285569
184873.64	96.8941	80.1025	0.00288530761
189073.62	88.115	73.8206	0.00263134946
193278.44	80.4345	68.2521	0.00213752193
197402.58	73.2256	62.9513	0.00172655727
201603.60	65.3927	57.1256	0.00183956517
204979.42	62.3536	54.84	0.00191833261
207752.63	60.7398	53.6197	0.00210736803