PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/22-14:28:10
G02     34.9           53.7                6.5 +/-    0.49       7.8 +/-    0.49  0.040 / 0.040
G05     140.7          64.5               13.4 +/-    0.86      14.7 +/-    0.86  0.040 / 0.050
G06     56.3           12.2                6.1 +/-    1.46      16.2 +/-    1.46  0.110 / 0.130
G12     191.8          61.9               11.4 +/-    1.38      12.7 +/-    1.38  0.130 / 0.170
G19     102.3          9.8                 9.0 +/-    2.96      25.2 +/-    2.96  0.030 / 0.040
G25     284.4          58.6                8.3 +/-    1.29       9.6 +/-    1.29  0.030 / 0.040
G29     310.4          31.2                5.1 +/-    2.09       8.7 +/-    2.09  0.040 / 0.030