PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-18:13:00
G02     50.2           41.8               10.0 +/-    0.97      14.1 +/-    0.97  0.210 / 0.610
G05     77.1           68.7               10.4 +/-    0.59      11.1 +/-    0.59  0.230 / 0.520
G12     183.3          38.1               11.0 +/-    2.07      16.6 +/-    2.07  0.030 / 0.040
G13     133.6          10.1               -8.8 +/-    8.81     -24.6 +/-    8.81  0.030 / 0.030
G21     265.3          12.3               12.1 +/-    3.30      32.0 +/-    3.30  0.040 / 0.090
G25     246.2          56.4               10.4 +/-    0.36      12.2 +/-    0.36  0.050 / 0.090
G29     322.9          46.6                9.2 +/-    0.97      12.1 +/-    0.97  0.230 / 0.590