PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/01-16:58:00
G02     230.0          69.3                8.8 +/-    0.88       9.3 +/-    0.88  0.150 / 0.430
G05     174.0          11.4                6.8 +/-   19.53      18.4 +/-   19.53  0.290 / 0.540
G06     42.5           63.1                9.5 +/-    0.49      10.5 +/-    0.49  0.030 / 0.050
G12     320.6          45.7                7.3 +/-    0.99       9.8 +/-    0.99  0.040 / 0.050
G17     64.3           28.3                6.6 +/-    0.35      11.9 +/-    0.35  0.040 / 0.090
G19     52.6           40.5                9.2 +/-    0.41      13.2 +/-    0.41  0.050 / 0.080
G24     251.8          37.3               10.0 +/-    1.61      15.2 +/-    1.61  0.080 / 0.110
G28     128.1          10.6                8.3 +/-    4.18      23.0 +/-    4.18  0.060 / 0.100