PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/22-22:42:30
G08     299.8          22.6                7.0 +/-    1.61      14.4 +/-    1.61  0.060 / 0.100
G10     351.5          62.2                4.9 +/-    0.66       5.5 +/-    0.66  0.070 / 0.120
G14     223.7          38.8                9.6 +/-    1.23      14.3 +/-    1.23  0.050 / 0.070
G20     53.8           56.3                7.2 +/-    0.43       8.5 +/-    0.43  0.050 / 0.070
G21     142.0          47.9                9.8 +/-    0.75      12.7 +/-    0.75  0.080 / 0.140
G24     61.2           26.8                7.5 +/-    1.02      14.1 +/-    1.02  0.080 / 0.110
G27     264.5          34.9                9.0 +/-    1.10      14.3 +/-    1.10  0.070 / 0.170
G32     233.6          62.3                9.7 +/-    0.93      10.8 +/-    0.93  0.080 / 0.180