PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/15-04:12:30
G01     228.1          18.9                7.1 +/-    1.79      16.1 +/-    1.79  0.040 / 0.040
G03     294.8          65.0                5.0 +/-    0.80       5.5 +/-    0.80  0.030 / 0.040
G09     293.9          10.2              -16.7 +/-    6.88     -46.5 +/-    6.88  0.040 / 0.060
G14     84.0           26.4                4.5 +/-    0.99       8.5 +/-    0.99  0.040 / 0.050
G16     146.6          43.3                8.1 +/-    0.78      11.2 +/-    0.78  0.130 / 0.350
G22     225.9          72.5                5.6 +/-    0.60       5.8 +/-    0.60  0.130 / 0.370
G23     305.0          34.9                5.3 +/-    0.92       8.4 +/-    0.92  0.100 / 0.170
G26     100.4          53.5                7.0 +/-    1.24       8.5 +/-    1.24  0.100 / 0.210
G31     44.6           33.7                3.0 +/-    0.67       4.8 +/-    0.67  0.040 / 0.100