PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-23:27:50
G10     257.9          32.4               11.5 +/-    2.25      19.1 +/-    2.25  0.400 / 0.280
G13     47.0           24.7                8.8 +/-    2.20      17.3 +/-    2.20  0.490 / 0.340
G15     75.3           56.9               10.6 +/-    0.94      12.4 +/-    0.94  0.030 / 0.040
G16     286.0          14.9                8.5 +/-    3.14      21.1 +/-    3.14  0.040 / 0.030
G20     263.0          30.4                7.0 +/-    2.40      12.2 +/-    2.40  0.150 / 0.270
G21     343.2          65.2                9.2 +/-    0.63      10.1 +/-    0.63  0.130 / 0.320
G26     258.8          12.1               13.2 +/-    1.89      35.0 +/-    1.89  0.110 / 0.260
G27     321.8          11.4               -8.4 +/-   27.94     -22.6 +/-   27.94  0.110 / 0.160
G29     167.1          42.0               11.6 +/-    0.61      16.3 +/-    0.61  0.030 / 0.030