PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-13:28:10
G02     210.5          46.1                8.7 +/-    0.68      11.5 +/-    0.68  0.090 / 0.050
G06     98.6           79.1                8.5 +/-    0.37       8.6 +/-    0.37  0.080 / 0.060
G12     315.6          30.0                5.0 +/-    1.19       8.7 +/-    1.19  0.080 / 0.120
G17     50.2           37.3                5.4 +/-    1.35       8.3 +/-    1.35  0.080 / 0.090
G19     19.4           58.7                7.5 +/-    1.24       8.7 +/-    1.24  0.090 / 0.160
G24     275.7          43.5                8.0 +/-    0.84      11.1 +/-    0.84  0.090 / 0.150
G28     115.0          21.8                8.1 +/-    1.45      17.1 +/-    1.45  0.040 / 0.050