PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-18:28:10
G02     33.6           54.9               10.0 +/-    0.75      11.9 +/-    0.75  0.020 / 0.030
G05     133.7          64.9               11.2 +/-    1.20      12.3 +/-    1.20  0.030 / 0.040
G06     56.5           11.1                8.7 +/-    1.31      23.7 +/-    1.31  0.040 / 0.050
G12     187.0          60.1               11.1 +/-    1.32      12.6 +/-    1.32  0.040 / 0.050
G19     101.7          10.5                9.9 +/-    1.53      27.2 +/-    1.53  0.050 / 0.060
G25     289.9          56.4                7.8 +/-    1.20       9.2 +/-    1.20  0.030 / 0.050
G29     309.1          29.4                8.1 +/-    0.88      14.3 +/-    0.88  0.120 / 0.170