PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/25-02:43:00
G01     222.9          13.8                8.6 +/-    1.47      22.0 +/-    1.47  0.200 / 0.470
G03     277.7          68.3                5.0 +/-    0.75       5.3 +/-    0.75  0.290 / 0.380
G09     297.1          11.3                2.9 +/-   28.81       8.0 +/-   28.81  0.040 / 0.050
G14     91.3           20.3                5.0 +/-    1.67      10.9 +/-    1.67  0.040 / 0.040
G16     149.5          47.3                8.2 +/-    0.73      10.7 +/-    0.73  0.050 / 0.080
G22     209.4          67.4                7.5 +/-    0.72       8.0 +/-    0.72  0.030 / 0.070
G23     309.8          39.2                4.7 +/-    1.14       6.9 +/-    1.14  0.040 / 0.070
G26     96.8           56.4                5.8 +/-    0.61       6.9 +/-    0.61  0.050 / 0.100
G31     45.5           32.6                2.8 +/-    1.19       4.6 +/-    1.19  0.220 / 0.410