PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/15-02:28:10
G10     300.9          52.9                9.6 +/-    0.65      11.7 +/-    0.65  0.060 / 0.090
G14     211.3          11.7                2.6 +/-   37.18       7.1 +/-   37.18  0.060 / 0.100
G15     46.1           28.1                6.5 +/-    1.19      11.9 +/-    1.19  0.220 / 0.570
G20     325.0          62.0               17.0 +/-    1.09      19.0 +/-    1.09  0.110 / 0.450
G21     101.9          73.5               12.1 +/-    0.76      12.5 +/-    0.76  0.080 / 0.140
G24     93.7           27.2               10.7 +/-    1.31      19.9 +/-    1.31  0.080 / 0.130
G27     297.9          35.1               10.7 +/-    0.72      17.0 +/-    0.72  0.040 / 0.050
G32     211.3          36.1               13.0 +/-    2.00      20.2 +/-    2.00  0.040 / 0.050