PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/28-02:43:00
G08     297.7          22.7                6.1 +/-    3.12      12.5 +/-    3.12  0.110 / 0.110
G10     357.3          62.6                7.4 +/-    0.62       8.2 +/-    0.62  0.090 / 0.150
G14     225.9          40.2               11.6 +/-    1.72      16.8 +/-    1.72  0.050 / 0.100
G20     16.1           65.7               10.1 +/-    0.99      11.0 +/-    0.99  0.060 / 0.090
G21     144.1          46.1               10.4 +/-    1.04      13.7 +/-    1.04  0.050 / 0.050
G24     59.4           26.6                7.5 +/-    1.30      14.1 +/-    1.30  0.040 / 0.040
G27     259.8          33.9               10.1 +/-    1.94      16.4 +/-    1.94  0.070 / 0.120
G32     238.6          65.8                9.6 +/-    2.49      10.4 +/-    2.49  0.060 / 0.090