PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-15:13:00
G02     333.0          78.3                8.4 +/-    0.57       8.6 +/-    0.57  0.280 / 0.220
G05     166.4          33.5                9.9 +/-    1.45      16.1 +/-    1.45  0.130 / 0.320
G06     42.3           37.3                6.3 +/-    0.78       9.6 +/-    0.78  0.100 / 0.120
G12     304.6          76.3                8.1 +/-    0.41       8.3 +/-    0.41  0.080 / 0.100
G19     74.5           29.7                7.9 +/-    1.78      14.0 +/-    1.78  0.030 / 0.020
G24     224.1          20.4                9.5 +/-    2.79      20.7 +/-    2.79  0.040 / 0.020
G25     316.4          33.2                6.1 +/-    1.12      10.0 +/-    1.12  0.040 / 0.070