PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/04-00:12:30
G08     293.6          23.8                9.4 +/-    1.09      18.9 +/-    1.09  0.050 / 0.090
G10     3.0            62.9                7.2 +/-    0.98       8.0 +/-    0.98  0.050 / 0.120
G14     227.8          43.9               12.5 +/-    1.65      17.1 +/-    1.65  0.090 / 0.120
G20     329.8          59.6               27.3 +/-    1.00      31.1 +/-    1.00  0.100 / 0.120
G21     145.6          43.9               11.1 +/-    0.75      15.1 +/-    0.75  0.170 / 0.170
G24     56.6           25.2                8.0 +/-    2.09      15.6 +/-    2.09  0.090 / 0.150
G27     257.3          32.8                9.4 +/-    2.18      15.5 +/-    2.18  0.040 / 0.070
G32     243.0          67.9                9.8 +/-    0.57      10.5 +/-    0.57  0.050 / 0.070