PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-02:13:10
G05     47.1           21.0                7.8 +/-    0.60      16.8 +/-    0.60  0.070 / 0.160
G13     83.8           36.3               11.1 +/-    0.77      17.2 +/-    0.77  0.070 / 0.190
G15     133.9          47.8               16.0 +/-    1.68      20.7 +/-    1.68  0.040 / 0.090
G16     318.3          10.7               -3.4 +/-   17.94      -9.5 +/-   17.94  0.040 / 0.110
G20     244.2          38.0               17.0 +/-    0.74      25.6 +/-    0.74  0.130 / 0.210
G21     307.0          42.5               11.3 +/-    1.09      15.8 +/-    1.09  0.160 / 0.240
G25     202.8          15.8               18.3 +/-    1.95      44.5 +/-    1.95  0.080 / 0.120
G26     292.3          21.1               10.3 +/-    1.82      22.1 +/-    1.82  0.070 / 0.130
G29     149.0          80.4               12.6 +/-    0.74      12.7 +/-    0.74  0.030 / 0.030