PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-04:57:50
G08     272.8          19.4                6.0 +/-    1.14      13.4 +/-    1.14  0.130 / 0.440
G10     56.5           58.5                4.7 +/-    0.83       5.4 +/-    0.83  0.140 / 0.340
G14     258.5          64.1                5.6 +/-    0.73       6.2 +/-    0.73  0.020 / 0.030
G18     314.0          29.9                3.8 +/-    1.00       6.7 +/-    1.00  0.040 / 0.040
G20     92.0           39.0                4.4 +/-    1.33       6.5 +/-    1.33  0.130 / 0.250
G21     154.5          19.1                2.5 +/-    3.07       5.7 +/-    3.07  0.100 / 0.240
G24     41.3           12.4                2.4 +/-    3.16       6.3 +/-    3.16  0.070 / 0.060
G27     235.2          18.7                5.1 +/-    4.76      11.6 +/-    4.76  0.070 / 0.050
G31     178.2          27.5                5.3 +/-    0.68       9.8 +/-    0.68  0.130 / 0.250
G32     316.1          75.5                4.9 +/-    0.53       5.0 +/-    0.53  0.150 / 0.270