PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-02:13:10
G01     318.1          21.3                6.6 +/-    2.29      14.0 +/-    2.29  0.150 / 0.390
G08     259.8          12.4               11.2 +/-    3.45      29.5 +/-    3.45  0.210 / 0.320
G10     84.0           50.3                9.1 +/-    1.14      11.4 +/-    1.14  0.050 / 0.060
G11     301.7          23.2                7.8 +/-    1.15      15.8 +/-    1.15  0.050 / 0.060
G14     299.5          70.6               10.3 +/-    0.67      10.8 +/-    0.67  0.110 / 0.280
G18     302.2          42.7               11.0 +/-    1.06      15.3 +/-    1.06  0.110 / 0.270
G20     107.5          27.3                9.1 +/-    1.66      16.8 +/-    1.66  0.030 / 0.040
G22     302.0          11.1                1.4 +/-   11.64       3.7 +/-   11.64  0.030 / 0.050
G31     173.7          45.6               12.8 +/-    1.16      17.1 +/-    1.16  0.080 / 0.160
G32     10.5           66.4                7.4 +/-    0.63       8.0 +/-    0.63  0.100 / 0.200