PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/25-02:27:50
G01     255.3          37.3                8.3 +/-    2.07      12.6 +/-    2.07  0.070 / 0.090
G03     316.5          39.0                3.2 +/-    1.04       4.7 +/-    1.04  0.060 / 0.080
G11     239.1          13.8                8.0 +/-    2.05      20.4 +/-    2.05  0.050 / 0.040
G14     55.9           43.5                4.8 +/-    0.99       6.6 +/-    0.99  0.040 / 0.040
G18     222.2          29.9                7.2 +/-    1.60      12.7 +/-    1.60  0.060 / 0.060
G22     308.6          61.9                4.5 +/-    0.84       5.0 +/-    0.84  0.060 / 0.060
G25     40.9           10.4                2.2 +/-    3.53       6.2 +/-    3.53  0.100 / 0.380
G26     138.6          35.3                8.6 +/-    2.05      13.5 +/-    2.05  0.140 / 0.530
G31     42.4           61.8                5.1 +/-    0.59       5.7 +/-    0.59  0.110 / 0.320
G32     74.7           24.3                5.6 +/-    1.16      11.1 +/-    1.16  0.090 / 0.320