PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-15:27:50
G02     240.7          73.1                7.5 +/-    0.37       7.8 +/-    0.37  0.120 / 0.120
G05     172.4          15.6                9.0 +/-    2.37      22.0 +/-    2.37  0.110 / 0.130
G06     40.4           57.0                7.0 +/-    0.64       8.2 +/-    0.64  0.060 / 0.140
G12     321.3          52.1                7.1 +/-    0.73       8.8 +/-    0.73  0.070 / 0.110
G17     69.2           24.5                8.0 +/-    1.53      15.9 +/-    1.53  0.060 / 0.050
G19     58.3           36.7                8.4 +/-    2.46      13.0 +/-    2.46  0.060 / 0.080
G24     245.9          34.4               10.1 +/-    1.97      16.3 +/-    1.97  0.030 / 0.040
G25     316.3          11.6               -7.8 +/-   29.63     -21.1 +/-   29.63  0.030 / 0.040