PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/08-20:13:00
G01     318.0          21.8                7.1 +/-    2.47      15.0 +/-    2.47  0.040 / 0.040
G08     256.2          12.6                7.7 +/-    5.04      20.3 +/-    5.04  0.050 / 0.040
G10     83.8           50.1                8.4 +/-    0.50      10.5 +/-    0.50  0.200 / 0.260
G11     303.9          21.5                8.4 +/-    1.50      17.8 +/-    1.50  0.350 / 0.190
G14     290.0          68.7                9.3 +/-    0.58       9.9 +/-    0.58  0.260 / 0.340
G20     108.1          25.3                9.4 +/-    0.89      18.2 +/-    0.89  0.260 / 0.390
G31     174.9          44.2               10.9 +/-    0.77      14.9 +/-    0.77  0.050 / 0.050
G32     14.0           65.4                8.0 +/-    0.44       8.7 +/-    0.44  0.050 / 0.050