PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-17:12:50
G02     227.3          67.3               10.7 +/-    1.76      11.5 +/-    1.76  0.080 / 0.150
G05     174.7          10.4               -8.8 +/-   22.42     -24.3 +/-   22.42  0.110 / 0.280
G06     43.6           62.7               10.4 +/-    0.38      11.5 +/-    0.38  0.030 / 0.030
G12     322.4          50.0                9.6 +/-    0.81      12.1 +/-    0.81  0.040 / 0.040
G17     66.2           25.2                8.9 +/-    1.06      17.4 +/-    1.06  0.030 / 0.050
G19     47.1           45.5                9.4 +/-    0.65      12.6 +/-    0.65  0.030 / 0.050
G24     250.5          38.2               13.5 +/-    0.79      20.2 +/-    0.79  0.080 / 0.100