PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-15:57:40
G10     250.5          28.6                9.9 +/-    2.23      17.8 +/-    2.23  0.220 / 0.520
G13     52.9           28.6                7.4 +/-    2.16      13.4 +/-    2.16  0.220 / 0.440
G15     82.7           56.3                9.9 +/-    0.93      11.6 +/-    0.93  0.040 / 0.030
G16     295.0          16.0                0.8 +/-   18.06       1.9 +/-   18.06  0.050 / 0.040
G20     272.3          52.9               10.8 +/-    2.83      13.1 +/-    2.83  0.050 / 0.050
G21     334.5          59.9                8.2 +/-    0.93       9.3 +/-    0.93  0.050 / 0.050
G26     268.4          15.5                8.0 +/-    8.27      19.7 +/-    8.27  0.090 / 0.120
G29     163.8          51.4               11.4 +/-    0.87      14.1 +/-    0.87  0.060 / 0.100