#zdat (zcalib by M.Zolliker 2018) merged from ['2021-04-26', '2021-04-29']
#idx	R ref	R meas	dummy sigma
0	60.311	34.4053	0.0034
1	61.9487	34.96457	0.0035
2	65.0151	35.9957	0.0036
3	71.368	38.06504	0.0038
4	78.7532	40.36739	0.004
5	85.7925	42.47101	0.0042
6	94.6529	45.00435	0.0045
7	103.764	47.49044	0.0047
8	114.0319	50.16171	0.005
9	125.5297	53.0403	0.0053
10	137.4646	55.8531	0.0056
11	150.5519	58.7904	0.0059
12	164.9189	61.828	0.0062
13	180.3089	64.9501	0.0065
14	197.6436	68.2946	0.0068
15	215.9708	71.6485	0.0072
16	236.0068	75.1423	0.0075
17	257.9223	78.7633	0.0079
18	280.1849	82.2669	0.0082
19	305.3915	86.047	0.0086
20	333.0954	89.993	0.009
21	362.8866	94.0249	0.0094
22	395.2098	98.1726	0.0098
23	429.9652	102.406	0.01
24	468.1753	106.8124	0.011
25	508.758	111.2072	0.011
26	553.642	115.8358	0.012
27	601.743	120.5182	0.012
28	652.586	125.1967	0.013
29	707.88	130.006	0.013
30	767.67	134.9211	0.013
31	835.644	140.197	0.014
32	904.444	145.2435	0.015
33	981.553	150.5932	0.015
34	1068.427	156.2862	0.016
35	1159.028	161.9985	0.016
36	1259.847	167.8938	0.017
37	1371.869	174.0751	0.017
38	1495.606	180.5057	0.018
39	1640.429	187.5079	0.019
40	1797.645	194.6869	0.019
41	1975.044	202.2638	0.02
42	2176.834	210.3054	0.021
43	2403.707	218.7042	0.022
44	2670.783	227.8709	0.023
45	2975.707	237.5223	0.024
46	3327.28	247.7536	0.025
47	3738.401	258.7112	0.026
48	4222.717	270.485	0.027
49	4804.625	283.3119	0.028
50	5484.5	296.7633	0.03
51	6325.6	311.7694	0.031
52	7339.62	327.8916	0.033
53	8557.94	345.0496	0.035
54	10076.94	363.9003	0.036
55	11937.76	383.9914	0.038
56	14615.57	408.9926	0.041
57	17884.79	434.8311	0.043
58	22005.14	462.4907	0.046
59	26913.46	490.3765	0.049
60	31232.91	511.7025	0.051
61	35564.44	530.8807	0.053