PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-13:27:40
G01     48.9           24.6                4.4 +/-    1.28       8.8 +/-    1.28  0.040 / 0.070
G06     175.6          28.4                5.8 +/-    2.03      10.6 +/-    2.03  0.040 / 0.070
G07     146.7          11.0                5.8 +/-    4.04      15.8 +/-    4.04  0.160 / 0.220
G11     44.0           12.6                4.3 +/-    2.12      11.3 +/-    2.12  0.230 / 0.290
G13     248.6          29.7                4.2 +/-    1.53       7.5 +/-    1.53  0.060 / 0.120
G15     286.1          14.4                2.1 +/-    0.99       5.2 +/-    0.99  0.060 / 0.120
G17     331.8          78.0                6.0 +/-    0.82       6.2 +/-    0.82  0.090 / 0.160
G19     246.4          57.3                5.5 +/-    0.92       6.4 +/-    0.92  0.080 / 0.150
G28     54.2           52.5                5.3 +/-    0.32       6.5 +/-    0.32  0.050 / 0.060
G30     151.0          41.8                5.6 +/-    1.50       8.0 +/-    1.50  0.050 / 0.060