PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-09:13:10
G07     18.6           68.4                3.8 +/-    0.72       4.0 +/-    0.72  0.030 / 0.040
G08     61.0           46.5                3.3 +/-    0.62       4.4 +/-    0.62  0.030 / 0.040
G09     175.4          44.9                6.9 +/-    0.88       9.3 +/-    0.88  0.050 / 0.050
G11     128.6          28.2                7.3 +/-    1.70      13.3 +/-    1.70  0.040 / 0.050
G18     113.2          10.5               -7.1 +/-   22.99     -19.5 +/-   22.99  0.080 / 0.130
G23     160.5          19.8                5.3 +/-    1.22      11.7 +/-    1.22  0.080 / 0.140
G27     40.7           17.7                2.6 +/-    0.82       6.0 +/-    0.82  0.150 / 0.680
G28     258.7          45.0                3.9 +/-    1.43       5.3 +/-    1.43  0.160 / 0.390
G30     319.2          49.6                3.8 +/-    0.80       4.8 +/-    0.80  0.070 / 0.160