PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/27-02:42:30
G08     299.6          22.3                5.8 +/-    1.73      12.2 +/-    1.73  0.060 / 0.080
G10     353.3          62.4                7.0 +/-    0.68       7.8 +/-    0.68  0.070 / 0.100
G14     224.5          38.4               11.2 +/-    0.90      16.7 +/-    0.90  0.060 / 0.130
G20     13.1           65.6                8.5 +/-    0.38       9.3 +/-    0.38  0.060 / 0.130
G21     142.9          48.0               10.3 +/-    1.18      13.3 +/-    1.18  0.050 / 0.110
G24     61.3           27.3                7.2 +/-    0.60      13.4 +/-    0.60  0.050 / 0.110
G27     262.0          34.6               10.1 +/-    1.18      16.2 +/-    1.18  0.040 / 0.030
G32     235.6          64.1               10.2 +/-    0.77      11.2 +/-    0.77  0.040 / 0.030