PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-00:57:50
G08     297.9          23.0                7.9 +/-    1.59      16.1 +/-    1.59  0.060 / 0.080
G10     354.8          62.5                6.8 +/-    0.58       7.5 +/-    0.58  0.090 / 0.100
G14     225.0          40.0               10.8 +/-    1.51      15.6 +/-    1.51  0.050 / 0.060
G20     337.3          62.1               24.2 +/-    0.62      27.0 +/-    0.62  0.050 / 0.080
G21     143.3          47.5                8.6 +/-    1.15      11.2 +/-    1.15  0.030 / 0.040
G24     60.3           26.8                8.4 +/-    1.15      15.8 +/-    1.15  0.030 / 0.040
G27     261.4          34.4                9.5 +/-    1.10      15.2 +/-    1.10  0.070 / 0.130
G32     236.5          64.7               11.8 +/-    0.97      12.9 +/-    0.97  0.070 / 0.110