PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/27-23:27:40
G10     300.4          52.9                7.8 +/-    0.90       9.5 +/-    0.90  0.070 / 0.080
G14     210.8          12.8                7.6 +/-   12.91      20.0 +/-   12.91  0.070 / 0.090
G15     46.3           30.2                6.8 +/-    0.78      11.8 +/-    0.78  0.030 / 0.040
G20     291.5          42.8                6.5 +/-    1.53       9.0 +/-    1.53  0.040 / 0.050
G21     100.0          74.1                8.9 +/-    0.53       9.2 +/-    0.53  0.100 / 0.460
G24     93.5           26.9               10.0 +/-    1.04      18.7 +/-    1.04  0.100 / 0.550
G27     298.7          34.8                9.5 +/-    1.09      15.2 +/-    1.09  0.080 / 0.110
G32     211.0          35.7               10.3 +/-    0.73      16.1 +/-    0.73  0.090 / 0.160