PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-09:28:00
G01     126.7          10.5               -4.1 +/-   30.26     -11.4 +/-   30.26  0.020 / 0.030
G07     55.1           68.7                5.2 +/-    0.90       5.5 +/-    0.90  0.030 / 0.030
G08     54.0           44.0                4.0 +/-    0.88       5.5 +/-    0.88  0.200 / 0.300
G09     177.9          37.7                5.8 +/-    1.00       8.8 +/-    1.00  0.070 / 0.090
G11     121.0          35.4                5.0 +/-    1.00       7.9 +/-    1.00  0.050 / 0.070
G13     321.0          11.6               -0.6 +/-   12.19      -1.7 +/-   12.19  0.100 / 0.250
G17     200.2          10.6               -7.4 +/-   10.99     -20.3 +/-   10.99  0.110 / 0.310
G18     104.3          16.0                3.9 +/-    2.13       9.4 +/-    2.13  0.050 / 0.060
G28     267.2          46.5                7.2 +/-    4.10       9.5 +/-    4.10  0.160 / 0.230
G30     329.9          58.9                4.0 +/-    0.45       4.6 +/-    0.45  0.030 / 0.030