PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/25-21:27:50
G08     270.9          20.5                9.2 +/-    2.41      20.0 +/-    2.41  0.070 / 0.120
G10     50.9           60.1                8.9 +/-    0.31      10.1 +/-    0.31  0.100 / 0.120
G14     255.0          62.6               10.7 +/-    0.69      11.9 +/-    0.69  0.150 / 0.230
G18     314.4          28.6               10.6 +/-    2.22      19.1 +/-    2.22  0.120 / 0.290
G20     89.6           40.3               11.0 +/-    0.46      15.9 +/-    0.46  0.050 / 0.050
G21     153.4          19.8               12.8 +/-    2.91      28.2 +/-    2.91  0.060 / 0.060
G24     40.6           11.2                9.3 +/-    2.97      25.3 +/-    2.97  0.090 / 0.310
G27     237.7          20.1               12.6 +/-    1.70      27.6 +/-    1.70  0.090 / 0.320
G31     180.1          23.8               12.8 +/-    2.62      25.6 +/-    2.62  0.150 / 0.280
G32     318.0          76.2               10.3 +/-    0.86      10.6 +/-    0.86  0.150 / 0.300