PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-01:27:50
G08     283.7          23.3                8.7 +/-    2.53      17.7 +/-    2.53  0.100 / 0.110
G10     25.0           62.8                6.7 +/-    0.67       7.4 +/-    0.67  0.090 / 0.130
G14     237.4          52.1               10.1 +/-    0.73      12.4 +/-    0.73  0.070 / 0.100
G18     317.4          16.6                7.8 +/-    2.60      18.7 +/-    2.60  0.060 / 0.110
G20     7.5            67.2               25.6 +/-    0.87      27.6 +/-    0.87  0.030 / 0.040
G21     150.2          33.8                8.2 +/-    0.97      13.3 +/-    0.97  0.040 / 0.070
G24     48.5           20.4                5.8 +/-    1.31      12.7 +/-    1.31  0.090 / 0.180
G27     246.9          27.5                9.7 +/-    1.19      17.9 +/-    1.19  0.080 / 0.150
G31     180.7          14.7               10.9 +/-    3.39      27.3 +/-    3.39  0.050 / 0.080
G32     270.7          74.9                8.9 +/-    1.31       9.2 +/-    1.31  0.060 / 0.090