PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/01-03:27:50
G08     268.8          19.1                9.2 +/-    1.11      20.7 +/-    1.11  0.130 / 0.280
G10     57.2           59.1                7.8 +/-    0.84       8.9 +/-    0.84  0.120 / 0.270
G14     260.0          63.2                7.3 +/-    1.01       8.1 +/-    1.01  0.040 / 0.060
G18     313.5          29.9                9.8 +/-    2.17      17.1 +/-    2.17  0.040 / 0.060
G20     73.3           59.2               10.7 +/-    0.43      12.2 +/-    0.43  0.030 / 0.030
G21     154.6          18.4               10.5 +/-    2.83      24.0 +/-    2.83  0.030 / 0.040
G24     40.0           10.4                5.3 +/-    1.39      14.7 +/-    1.39  0.220 / 0.370
G27     233.6          17.4               10.7 +/-    2.52      25.1 +/-    2.52  0.140 / 0.270
G31     177.1          29.9               11.9 +/-    1.16      20.9 +/-    1.16  0.100 / 0.340
G32     338.7          74.8                7.9 +/-    0.56       8.2 +/-    0.56  0.100 / 0.340