PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-23:42:40
G10     259.1          33.3               10.1 +/-    2.04      16.6 +/-    2.04  0.120 / 0.220
G13     46.2           23.8                8.5 +/-    1.93      17.0 +/-    1.93  0.130 / 0.340
G15     72.9           56.3                9.6 +/-    0.88      11.3 +/-    0.88  0.040 / 0.040
G16     284.8          14.6                8.1 +/-    1.53      20.3 +/-    1.53  0.040 / 0.040
G20     264.8          32.8               13.8 +/-    2.44      22.9 +/-    2.44  0.250 / 0.370
G21     345.1          66.1               10.0 +/-    0.39      10.8 +/-    0.39  0.200 / 0.420
G24     125.2          9.8               -10.0 +/-   31.86     -28.1 +/-   31.86  0.130 / 0.260
G26     257.8          11.5               11.6 +/-    3.78      31.4 +/-    3.78  0.110 / 0.230
G27     321.5          12.5                4.3 +/-   15.00      11.5 +/-   15.00  0.080 / 0.250
G29     167.3          40.7               11.0 +/-    1.41      15.8 +/-    1.41  0.070 / 0.280