PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-00:42:50
G08     293.2          21.5                7.9 +/-    1.05      16.9 +/-    1.05  0.120 / 0.160
G10     21.4           62.5                9.0 +/-    0.31      10.0 +/-    0.31  0.120 / 0.140
G14     233.3          49.1                9.9 +/-    1.85      12.7 +/-    1.85  0.070 / 0.120
G18     317.9          14.3                5.1 +/-    2.09      13.0 +/-    2.09  0.060 / 0.110
G20     72.0           49.4                7.8 +/-    0.97       9.9 +/-    0.97  0.050 / 0.080
G21     149.2          36.7                8.9 +/-    0.99      13.7 +/-    0.99  0.040 / 0.090
G24     52.8           23.9                7.4 +/-    2.41      14.8 +/-    2.41  0.130 / 0.190
G27     249.9          29.6               10.2 +/-    2.20      18.0 +/-    2.20  0.170 / 0.190
G31     181.9          11.5               -1.0 +/-   22.11      -2.6 +/-   22.11  0.120 / 0.290
G32     255.4          71.1                8.1 +/-    0.45       8.6 +/-    0.45  0.280 / 0.360