#zdat (zcalib by M.Zolliker 2018) merged from ['2021-04-26', '2021-04-29']
#idx	R ref	R meas	dummy sigma
0	60.4822	58.9239	0.0059
1	62.1667	60.3517	0.006
2	65.2365	62.9332	0.0063
3	71.642	68.2871	0.0068
4	79.1353	74.4768	0.0074
5	86.1221	80.1915	0.008
6	95.0117	87.3801	0.0087
7	104.1883	94.7115	0.0095
8	114.4819	102.8347	0.01
9	126.0734	111.8662	0.011
10	138.069	121.0977	0.012
11	151.2013	131.0659	0.013
12	165.6556	141.7952	0.014
13	181.0948	153.1873	0.015
14	198.4483	165.9213	0.017
15	216.8252	179.1033	0.018
16	236.9298	193.3115	0.019
17	259.0151	208.6903	0.021
18	281.1256	223.8529	0.022
19	305.4983	240.3164	0.024
20	333.3375	258.8346	0.026
21	362.966	278.221	0.028
22	395.2384	298.9972	0.03
23	430.0521	321.0294	0.032
24	468.2372	344.7955	0.034
25	508.806	369.4258	0.037
26	553.685	396.3601	0.04
27	601.796	424.6964	0.042
28	652.619	454.1121	0.045
29	707.904	485.5311	0.049
30	767.618	519.075	0.052
31	835.585	556.329	0.056
32	904.36	593.352	0.059
33	981.498	634.15	0.063
34	1068.337	679.272	0.068
35	1159.066	725.555	0.073
36	1259.962	776.164	0.078
37	1371.93	831.304	0.083
38	1495.635	891.117	0.089
39	1640.486	959.377	0.096
40	1797.768	1032.468	0.1
41	1975.166	1113.254	0.11
42	2177.076	1203.306	0.12
43	2403.88	1302.24	0.13
44	2671.022	1416.13	0.14
45	2975.918	1542.971	0.15
46	3327.152	1686.278	0.17
47	3738.683	1848.938	0.18
48	4222.659	2035.04	0.2
49	4804.521	2252.119	0.23
50	5484.38	2497.082	0.25
51	6325.22	2791.415	0.28
52	7340.38	3134.292	0.31
53	8557.57	3531.281	0.35
54	10076.61	4007.849	0.4
55	11937.58	4568.63	0.46
56	14612.55	5340.96	0.53
57	17871.27	6235.24	0.62
58	21971.72	7305.45	0.73
59	26774.11	8500.12	0.85
60	31279.89	9574.28	0.96
61	35624.29	10582.77	1.1