PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-17:58:00
G05     47.0           22.3                5.6 +/-    2.34      11.6 +/-    2.34  0.050 / 0.080
G10     233.5          11.2               -7.9 +/-   37.09     -21.5 +/-   37.09  0.080 / 0.090
G13     79.6           35.3                9.9 +/-    1.38      15.7 +/-    1.38  0.060 / 0.110
G15     129.6          49.9                9.0 +/-    0.66      11.4 +/-    0.66  0.060 / 0.130
G16     316.8          11.3                1.5 +/-   15.12       3.9 +/-   15.12  0.040 / 0.050
G20     245.4          35.3               11.1 +/-    1.78      17.6 +/-    1.78  0.030 / 0.050
G21     309.6          43.8                8.3 +/-    1.00      11.3 +/-    1.00  0.380 / 0.670
G25     201.9          14.9                9.9 +/-    2.70      24.6 +/-    2.70  0.370 / 0.080
G26     291.4          20.3                7.8 +/-    2.15      17.0 +/-    2.15  0.120 / 0.390
G29     148.1          77.8                8.2 +/-    0.30       8.4 +/-    0.30  0.260 / 0.300