PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/23-01:58:10
G08     267.3          19.0               10.0 +/-    1.41      22.6 +/-    1.41  0.060 / 0.080
G10     58.2           58.9               10.2 +/-    0.61      11.7 +/-    0.61  0.060 / 0.110
G11     312.1          16.8               -7.0 +/-   14.46     -16.6 +/-   14.46  0.090 / 0.310
G14     261.8          64.3                9.8 +/-    1.33      10.8 +/-    1.33  0.090 / 0.270
G18     313.2          30.5               10.9 +/-    2.73      18.8 +/-    2.73  0.030 / 0.040
G20     49.6           67.8               11.9 +/-    0.75      12.7 +/-    0.75  0.030 / 0.030
G21     154.8          18.1                9.6 +/-    3.95      22.2 +/-    3.95  0.070 / 0.140
G27     233.4          17.2               10.9 +/-    2.95      25.7 +/-    2.95  0.070 / 0.120
G31     177.0          30.3               12.9 +/-    1.97      22.4 +/-    1.97  0.130 / 0.280
G32     340.3          74.6                9.7 +/-    0.78      10.0 +/-    0.78  0.140 / 0.340