PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-18:27:40
G10     260.3          35.5               14.5 +/-    0.61      22.8 +/-    0.61  0.050 / 0.040
G13     45.1           22.1               10.5 +/-    2.29      22.0 +/-    2.29  0.040 / 0.050
G15     66.9           52.8               11.4 +/-    0.66      14.0 +/-    0.66  0.100 / 0.350
G16     284.9          14.6               10.0 +/-    3.19      25.2 +/-    3.19  0.100 / 0.240
G20     287.8          58.1               11.9 +/-    1.77      13.8 +/-    1.77  0.140 / 0.330
G21     348.3          66.7               12.2 +/-    0.70      13.2 +/-    0.70  0.130 / 0.210
G24     127.8          10.0               -8.4 +/-   42.01     -23.4 +/-   42.01  0.030 / 0.050
G26     258.8          11.1               12.1 +/-    1.29      32.9 +/-    1.29  0.040 / 0.050
G27     321.3          13.1                9.3 +/-    3.85      24.1 +/-    3.85  0.100 / 0.260
G29     166.3          39.5               13.4 +/-    1.47      19.6 +/-    1.47  0.090 / 0.260