PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-11:12:50
G01     118.9          18.0                2.9 +/-    1.06       6.8 +/-    1.06  0.040 / 0.060
G07     81.4           66.3                3.5 +/-    0.51       3.8 +/-    0.51  0.040 / 0.050
G08     44.2           29.2                2.2 +/-    0.83       3.9 +/-    0.83  0.020 / 0.040
G09     175.1          23.4                4.6 +/-    1.43       9.4 +/-    1.43  0.030 / 0.040
G11     104.6          40.0                5.1 +/-    1.18       7.4 +/-    1.18  0.030 / 0.040
G13     317.5          19.9                2.3 +/-    3.74       5.1 +/-    3.74  0.040 / 0.030
G17     201.0          26.4                4.7 +/-    2.43       8.9 +/-    2.43  0.120 / 0.330
G18     93.3           20.8                4.6 +/-    1.72       9.9 +/-    1.72  0.130 / 0.300
G28     292.5          57.3                4.3 +/-    1.06       5.0 +/-    1.06  0.120 / 0.220
G30     343.2          67.5                2.0 +/-    0.88       2.2 +/-    0.88  0.120 / 0.220