PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-19:57:50
G02     60.8           32.1                9.0 +/-    1.53      15.1 +/-    1.53  0.080 / 0.060
G05     54.4           58.9               10.2 +/-    0.97      11.7 +/-    0.97  0.060 / 0.110
G12     184.1          30.5               11.6 +/-    1.74      20.1 +/-    1.74  0.120 / 0.220
G13     124.3          16.9               12.2 +/-    2.18      28.9 +/-    2.18  0.160 / 0.250
G15     162.2          14.8               12.5 +/-    3.40      31.1 +/-    3.40  0.100 / 0.320
G21     273.8          18.3               10.7 +/-    3.20      24.5 +/-    3.20  0.120 / 0.280
G25     233.8          50.1               10.4 +/-    2.71      13.1 +/-    2.71  0.120 / 0.190
G29     331.1          57.6                9.8 +/-    0.95      11.3 +/-    0.95  0.210 / 0.280