lat,lon,SL(mm),err_SL(mm)
45.417,12.333,375.8499999999999,60.876945554125825,
44.4,8.9,326.5,73.76103307302576,
43.279,5.354,383.95000000000005,61.20792432357104,
45.417,12.35,391.5,56.46284176341109,
39.2,9.167,440.5999999999999,76.28369747200249,
40.843,14.258,342.19999999999993,69.90216377194629,
42.05,11.817,369.9000000000001,63.352367753699625,
38.133,13.333,323.95000000000005,74.21032610088707,
43.867,8.017,393.45000000000005,65.18483335868858,
40.867,14.267,348.40000000000003,60.94497518253658,
45.647,13.758,349.1500000000001,69.80150428178464,
45.433,12.333,375.8499999999999,60.876945554125825,
31.25,32.3,348.6500000000001,66.16827034160708,
43.507,16.442,361.89999999999986,58.40978085903079,
45.3,14.533,349.8499999999999,59.73575143915074,
40.633,22.935,307.20000000000005,66.04362194792166,
37.937,23.627,339.80000000000007,66.71186176385726,
40.935,24.412,326.95000000000005,65.04967332738882,
38.372,26.141,350.7,70.61472934168906,
37.951,22.96,335.0,64.56254719262554,
38.959,20.757,401.29999999999995,81.08059262240256,
37.024,22.116,402.39999999999986,66.46269630401704,
31.217,29.917,410.85,84.17875325757682,
35.348,25.153,410.79999999999995,68.1351781387559,
43.508,16.392,361.89999999999986,58.40978085903079,
42.658,18.063,390.5499999999997,61.953611678416294,
45.083,13.628,337.1,58.098536986743476,
43.729,7.421,381.8499999999999,61.56640723641424,
43.398,3.699,374.1999999999998,62.69960127464927,
43.113,5.915,485.0499999999993,82.1681811895578,
45.548,13.725,353.04999999999995,55.15305975193036,
42.083,19.083,436.9000000000001,62.962290301417724,
35.487,24.082,410.5,65.02468761939576,
37.13,26.848,360.70000000000005,71.42354303729269,
37.44,24.946,391.04999999999995,83.17601817831869,
38.472,23.593,347.9,65.9626598917903,
40.844,25.878,366.10000000000014,66.78961371351087,
38.835,20.712,400.29999999999995,81.08059262240256,
37.645,21.32,360.7,67.40624971024572,
36.442,28.236,320.25,70.1755121107071,
38.461,23.589,347.9,65.9626598917903,
43.696,7.286,358.15,59.83103291770919,
42.52,3.107,391.60000000000014,88.34886813083685,
38.433,26.717,352.40000000000003,65.62202374203343,
43.133,17.2,386.5499999999997,59.70343373709757,
35.82,14.533,420.4000000000001,66.44360390586893,
42.054,3.206,372.0,61.932402666132695,
32.47,34.863,356.54999999999995,61.738986872153966,
41.342,2.166,411.5,72.29280738773394,
44.123,15.235,357.89999999999986,57.50393464798735,
39.552,2.639,383.4,76.66557245595965,
