PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/20-01:43:00
G01     318.5          20.4                5.9 +/-    2.01      12.8 +/-    2.01  0.200 / 0.290
G08     260.7          12.9                7.8 +/-    2.99      20.4 +/-    2.99  0.230 / 0.240
G10     82.5           50.9                7.5 +/-    0.79       9.3 +/-    0.79  0.040 / 0.050
G11     302.8          22.7                6.1 +/-    1.12      12.7 +/-    1.12  0.040 / 0.060
G14     295.6          70.3                6.6 +/-    0.81       6.9 +/-    0.81  0.050 / 0.070
G18     303.4          41.9                7.8 +/-    1.38      11.0 +/-    1.38  0.060 / 0.080
G20     106.7          27.9                7.3 +/-    1.66      13.4 +/-    1.66  0.030 / 0.020
G31     174.0          44.4                8.7 +/-    0.78      11.8 +/-    0.78  0.030 / 0.020
G32     9.0            67.0                5.3 +/-    1.15       5.7 +/-    1.15  0.150 / 0.260