PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-17:42:30
G02     255.2          77.3                8.1 +/-    0.35       8.3 +/-    0.35  0.180 / 0.140
G05     170.1          20.5               10.0 +/-    1.96      21.7 +/-    1.96  0.130 / 0.170
G06     40.4           51.0                7.2 +/-    0.49       8.9 +/-    0.49  0.130 / 0.100
G12     322.2          62.0                6.3 +/-    0.85       7.1 +/-    0.85  0.080 / 0.110
G17     75.7           18.3                6.5 +/-    1.99      14.9 +/-    1.99  0.030 / 0.040
G19     59.8           38.2                7.8 +/-    1.10      11.6 +/-    1.10  0.030 / 0.040
G24     238.1          31.4                9.3 +/-    1.75      15.9 +/-    1.75  0.340 / 0.240
G25     317.4          17.5                6.7 +/-    1.73      15.7 +/-    1.73  0.130 / 0.240