PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/25-09:43:00
G01     127.2          10.1              -11.2 +/-   29.76     -31.2 +/-   29.76  0.030 / 0.030
G07     53.6           68.7                5.4 +/-    0.93       5.7 +/-    0.93  0.030 / 0.030
G08     54.7           44.7                4.8 +/-    0.67       6.5 +/-    0.67  0.050 / 0.080
G09     178.0          38.5                6.4 +/-    0.87       9.5 +/-    0.87  0.050 / 0.060
G11     121.5          35.0                6.3 +/-    1.37      10.0 +/-    1.37  0.110 / 0.360
G13     321.1          11.1               -3.4 +/-   14.13      -9.3 +/-   14.13  0.100 / 0.320
G18     104.8          15.6                4.4 +/-    1.77      10.8 +/-    1.77  0.070 / 0.050
G28     266.4          46.2                6.1 +/-    3.96       8.0 +/-    3.96  0.060 / 0.050
G30     329.5          58.5                3.9 +/-    0.27       4.4 +/-    0.27  0.030 / 0.040