PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-19:42:30
G01     316.6          24.4                7.6 +/-    1.08      15.1 +/-    1.08  0.300 / 0.250
G08     253.2          11.0                8.7 +/-   15.77      23.7 +/-   15.77  0.130 / 0.230
G10     88.1           48.3               24.3 +/-    1.12      31.4 +/-    1.12  0.040 / 0.050
G14     297.9          69.3                9.4 +/-    0.73      10.0 +/-    0.73  0.040 / 0.050
G20     110.6          22.9               10.4 +/-    1.57      21.3 +/-    1.57  0.140 / 0.390
G22     303.3          12.5                8.9 +/-    1.89      23.6 +/-    1.89  0.150 / 0.420
G25     97.4           10.1                0.0 +/-   40.27       0.1 +/-   40.27  0.200 / 0.350
G31     174.2          47.4               11.1 +/-    1.18      14.4 +/-    1.18  0.160 / 0.310
G32     19.0           63.0                8.7 +/-    0.77       9.6 +/-    0.77  0.050 / 0.050