PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-11:57:30
G01     39.3           13.9                2.9 +/-    2.43       7.5 +/-    2.43  0.090 / 0.130
G06     172.9          41.5                6.2 +/-    1.00       8.8 +/-    1.00  0.100 / 0.130
G13     234.8          21.4                7.3 +/-    1.26      15.6 +/-    1.26  0.030 / 0.030
G15     270.6          11.4                5.6 +/-    1.80      15.1 +/-    1.80  0.030 / 0.030
G17     358.7          70.8                5.2 +/-    1.09       5.5 +/-    1.09  0.040 / 0.030
G19     286.0          71.3                4.9 +/-    0.91       5.2 +/-    0.91  0.030 / 0.030
G24     316.2          19.4                2.7 +/-    2.02       6.1 +/-    2.02  0.160 / 0.270
G28     66.4           51.3                3.9 +/-    1.51       4.8 +/-    1.51  0.190 / 0.180
G30     155.5          27.1                5.5 +/-    1.25      10.3 +/-    1.25  0.090 / 0.270