PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-03:57:40
G01     310.0          31.0                4.5 +/-    2.40       7.8 +/-    2.40  0.070 / 0.170
G10     102.5          42.2                6.0 +/-    0.86       8.5 +/-    0.86  0.080 / 0.170
G11     284.7          28.2                5.8 +/-    1.00      10.6 +/-    1.00  0.030 / 0.060
G14     344.7          68.7                4.5 +/-    0.73       4.8 +/-    0.73  0.060 / 0.060
G18     282.6          49.2                5.3 +/-    1.52       6.8 +/-    1.52  0.100 / 0.160
G20     111.1          43.9                7.8 +/-    1.32      10.7 +/-    1.32  0.090 / 0.190
G22     308.4          22.8                3.9 +/-    1.18       8.0 +/-    1.18  0.040 / 0.060
G25     84.8           15.3                3.5 +/-    1.04       8.7 +/-    1.04  0.040 / 0.060
G31     165.2          63.0                8.5 +/-    1.04       9.4 +/-    1.04  0.070 / 0.170
G32     34.6           53.4                3.9 +/-    0.69       4.7 +/-    0.69  0.070 / 0.200