PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-00:57:50
G05     50.3           13.3                6.8 +/-    2.04      17.7 +/-    2.04  0.070 / 0.380
G10     238.7          15.3               13.2 +/-    1.30      32.5 +/-    1.30  0.100 / 0.370
G13     70.8           35.9               11.1 +/-    0.92      17.3 +/-    0.92  0.050 / 0.060
G15     121.0          54.5               11.9 +/-    0.69      14.3 +/-    0.69  0.070 / 0.070
G16     309.6          14.3                6.7 +/-    2.53      16.9 +/-    2.53  0.050 / 0.090
G20     249.0          32.3               12.6 +/-    1.60      21.0 +/-    1.60  0.060 / 0.080
G21     316.1          48.9                9.3 +/-    0.97      11.9 +/-    0.97  0.020 / 0.020
G26     281.9          20.4                9.2 +/-    3.03      20.0 +/-    3.03  0.030 / 0.030
G29     159.1          69.1               10.9 +/-    0.44      11.6 +/-    0.44  0.030 / 0.040