PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/30-04:43:00
G01     310.0          31.0                5.1 +/-    2.07       8.8 +/-    2.07  0.090 / 0.140
G10     102.5          42.2                6.3 +/-    0.43       8.8 +/-    0.43  0.070 / 0.160
G11     285.0          28.1                5.2 +/-    0.99       9.5 +/-    0.99  0.040 / 0.050
G14     343.4          68.7                5.2 +/-    0.62       5.5 +/-    0.62  0.040 / 0.060
G18     282.8          49.1                5.0 +/-    0.81       6.4 +/-    0.81  0.040 / 0.060
G20     113.2          37.6                7.5 +/-    1.18      11.4 +/-    1.18  0.040 / 0.060
G22     308.6          23.3                4.7 +/-    1.01       9.6 +/-    1.01  0.090 / 0.190
G25     85.0           15.4                4.9 +/-    0.97      12.0 +/-    0.97  0.090 / 0.170
G31     165.2          63.1                7.9 +/-    0.97       8.8 +/-    0.97  0.080 / 0.130
G32     34.6           53.4                4.7 +/-    0.42       5.6 +/-    0.42  0.080 / 0.100