PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/15-00:13:00
G08     309.7          17.9                7.9 +/-    1.09      18.2 +/-    1.09  0.060 / 0.150
G10     343.8          61.5                6.7 +/-    0.51       7.5 +/-    0.51  0.070 / 0.160
G14     220.0          33.4                8.5 +/-    3.06      13.8 +/-    3.06  0.050 / 0.100
G20     45.6           58.4                7.6 +/-    0.44       8.8 +/-    0.44  0.080 / 0.080
G21     138.4          53.9                9.5 +/-    0.84      11.4 +/-    0.84  0.030 / 0.030
G24     70.1           29.9                6.4 +/-    0.62      11.2 +/-    0.62  0.040 / 0.030
G27     270.0          36.9                8.3 +/-    2.21      12.7 +/-    2.21  0.050 / 0.060
G32     226.6          56.0               10.9 +/-    1.53      12.8 +/-    1.53  0.060 / 0.060