PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-22:58:10
G10     274.8          43.6               11.6 +/-    1.05      15.9 +/-    1.05  0.080 / 0.180
G13     39.0           12.2                7.8 +/-    2.93      20.6 +/-    2.93  0.070 / 0.160
G15     53.4           43.8                9.9 +/-    0.93      13.6 +/-    0.93  0.060 / 0.040
G20     310.9          62.6               10.0 +/-    0.63      11.1 +/-    0.63  0.070 / 0.040
G21     18.9           74.9               10.4 +/-    0.59      10.8 +/-    0.59  0.120 / 0.230
G24     116.1          17.8               11.7 +/-    1.16      27.1 +/-    1.16  0.110 / 0.290
G27     315.8          23.2                9.1 +/-    1.42      18.6 +/-    1.42  0.040 / 0.050
G29     167.6          24.6               10.8 +/-    2.21      21.4 +/-    2.21  0.040 / 0.050
G32     205.2          14.3               14.7 +/-    2.62      37.1 +/-    2.62  0.250 / 0.410