PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-04:57:40
G01     271.0          41.1                7.2 +/-    2.97      10.4 +/-    2.97  0.040 / 0.050
G03     315.6          27.8                2.2 +/-    1.97       4.0 +/-    1.97  0.050 / 0.050
G10     129.6          16.8                5.0 +/-    0.78      12.0 +/-    0.78  0.050 / 0.070
G11     249.6          20.1                8.3 +/-    2.88      18.2 +/-    2.88  0.050 / 0.070
G14     41.7           51.2                3.8 +/-    0.76       4.7 +/-    0.76  0.110 / 0.130
G18     234.0          39.2                7.4 +/-    1.46      11.0 +/-    1.46  0.110 / 0.210
G22     314.0          51.0                4.7 +/-    0.59       5.8 +/-    0.59  0.230 / 0.390
G25     51.9           16.3                2.8 +/-    2.85       6.7 +/-    2.85  0.180 / 0.330
G31     53.7           71.5                4.5 +/-    0.43       4.7 +/-    0.43  0.060 / 0.050
G32     65.1           31.0                4.5 +/-    1.49       7.8 +/-    1.49  0.050 / 0.050