PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-07:57:40
G01     115.9          18.7                5.6 +/-    2.15      12.6 +/-    2.15  0.030 / 0.030
G07     87.1           64.3                5.4 +/-    0.46       5.9 +/-    0.46  0.030 / 0.030
G08     44.9           31.9                3.1 +/-    1.02       5.3 +/-    1.02  0.030 / 0.040
G09     175.7          23.6                5.3 +/-    2.15      10.7 +/-    2.15  0.030 / 0.050
G11     106.6          41.9                6.8 +/-    0.87       9.7 +/-    0.87  0.070 / 0.220
G13     316.3          22.0                0.9 +/-    1.70       1.9 +/-    1.70  0.070 / 0.210
G17     201.8          24.4                3.8 +/-    2.75       7.5 +/-    2.75  0.100 / 0.210
G18     91.7           21.5                5.5 +/-    1.08      11.6 +/-    1.08  0.080 / 0.220
G28     285.0          53.1                5.2 +/-    0.83       6.4 +/-    0.83  0.150 / 0.300
G30     344.7          68.8                4.4 +/-    1.06       4.6 +/-    1.06  0.150 / 0.300