PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-00:42:40
G10     262.1          35.2               11.7 +/-    1.11      18.6 +/-    1.11  0.140 / 0.330
G13     44.3           21.7                8.8 +/-    1.41      18.5 +/-    1.41  0.150 / 0.370
G15     67.4           54.2                9.1 +/-    0.35      11.0 +/-    0.35  0.120 / 0.360
G16     282.0          13.7                9.6 +/-    1.42      24.5 +/-    1.42  0.190 / 0.270
G20     271.8          41.6               11.7 +/-    1.19      16.6 +/-    1.19  0.100 / 0.090
G21     350.4          68.3                8.5 +/-    1.01       9.1 +/-    1.01  0.100 / 0.110
G24     123.0          11.6               13.8 +/-    1.33      37.3 +/-    1.33  0.100 / 0.370
G27     320.5          15.0                7.7 +/-    1.35      19.0 +/-    1.35  0.090 / 0.390
G29     167.8          37.2               11.7 +/-    1.85      17.9 +/-    1.85  0.070 / 0.060