PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/25-09:43:00
G08     255.8          12.6                7.7 +/-    4.03      20.2 +/-    4.03  0.160 / 0.340
G10     82.9           51.1                5.9 +/-    0.61       7.4 +/-    0.61  0.110 / 0.390
G11     300.9          24.2                5.8 +/-    1.14      11.6 +/-    1.14  0.030 / 0.040
G14     303.8          71.5                5.1 +/-    0.57       5.4 +/-    0.57  0.030 / 0.040
G18     301.8          43.3                4.9 +/-    1.00       6.8 +/-    1.00  0.050 / 0.050
G20     107.0          27.7                5.5 +/-    1.75      10.0 +/-    1.75  0.040 / 0.060
G22     302.9          15.4                3.4 +/-    2.19       8.4 +/-    2.19  0.080 / 0.230
G31     176.0          43.2                7.5 +/-    0.88      10.4 +/-    0.88  0.080 / 0.190
G32     358.9          69.0                5.1 +/-    0.74       5.4 +/-    0.74  0.260 / 0.420