PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-04:42:40
G10     269.2          39.3                9.7 +/-    0.86      14.3 +/-    0.86  0.160 / 0.680
G13     41.1           16.9                4.0 +/-    1.29       9.5 +/-    1.29  0.170 / 0.490
G15     57.4           47.6                5.4 +/-    0.31       7.0 +/-    0.31  0.040 / 0.050
G16     276.2          11.4               11.5 +/-    3.74      31.0 +/-    3.74  0.040 / 0.050
G20     331.4          67.6                4.4 +/-    0.83       4.8 +/-    0.83  0.120 / 0.230
G21     6.2            72.9                6.3 +/-    0.63       6.5 +/-    0.63  0.080 / 0.210
G24     118.3          15.4                4.4 +/-    1.58      10.9 +/-    1.58  0.090 / 0.200
G27     317.6          20.7                7.9 +/-    3.54      17.0 +/-    3.54  0.140 / 0.230
G29     168.5          29.7                5.8 +/-    1.01      10.3 +/-    1.01  0.170 / 0.310
G32     204.2          12.5                7.5 +/-    0.96      19.7 +/-    0.96  0.190 / 0.430