PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-02:13:00
G10     274.1          42.1               13.4 +/-    1.05      18.9 +/-    1.05  0.080 / 0.140
G13     39.4           13.3                7.2 +/-    0.83      18.7 +/-    0.83  0.110 / 0.130
G15     54.4           45.5                9.7 +/-    0.81      13.0 +/-    0.81  0.080 / 0.080
G20     294.8          56.1               11.6 +/-    0.90      13.7 +/-    0.90  0.050 / 0.060
G21     18.2           75.1               13.8 +/-    0.67      14.2 +/-    0.67  0.040 / 0.040
G24     113.9          17.9               11.7 +/-    1.63      27.0 +/-    1.63  0.040 / 0.040
G27     315.3          23.6                8.8 +/-    1.92      17.7 +/-    1.92  0.100 / 0.300
G29     168.9          25.5               13.3 +/-    2.04      25.8 +/-    2.04  0.100 / 0.310
G32     204.9          16.6               19.5 +/-    3.35      46.6 +/-    3.35  0.050 / 0.140