PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/19-22:57:40
G08     298.6          22.8                7.5 +/-    1.20      15.5 +/-    1.20  0.070 / 0.100
G10     354.1          62.4                5.9 +/-    0.60       6.6 +/-    0.60  0.060 / 0.120
G14     224.6          39.9               10.3 +/-    1.39      14.9 +/-    1.39  0.050 / 0.080
G20     55.7           55.6                7.7 +/-    0.46       9.1 +/-    0.46  0.070 / 0.070
G21     142.9          46.7                9.3 +/-    1.14      12.2 +/-    1.14  0.060 / 0.110
G24     60.0           26.4                7.7 +/-    1.01      14.5 +/-    1.01  0.070 / 0.110
G27     262.9          34.5                8.9 +/-    1.28      14.3 +/-    1.28  0.060 / 0.110
G32     235.4          63.5               10.3 +/-    0.73      11.3 +/-    0.73  0.050 / 0.110