PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-18:57:40
G02     51.4           40.4                8.3 +/-    0.45      12.0 +/-    0.45  0.030 / 0.030
G05     74.5           67.5               10.0 +/-    0.47      10.7 +/-    0.47  0.030 / 0.040
G12     182.2          37.1               12.1 +/-    1.58      18.5 +/-    1.58  0.260 / 0.620
G13     133.7          10.0               -7.3 +/-   20.85     -20.4 +/-   20.85  0.220 / 0.660
G21     264.8          11.4                9.2 +/-    3.78      25.0 +/-    3.78  0.080 / 0.090
G25     248.0          56.5                9.6 +/-    0.93      11.2 +/-    0.93  0.050 / 0.070
G29     322.3          45.9                7.7 +/-    1.27      10.3 +/-    1.27  0.050 / 0.060