PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-01:42:50
G08     274.6          18.9                9.0 +/-    1.07      20.3 +/-    1.07  0.140 / 0.300
G10     58.1           58.1                9.0 +/-    0.38      10.4 +/-    0.38  0.150 / 0.320
G14     258.5          63.5                8.3 +/-    0.67       9.2 +/-    0.67  0.050 / 0.060
G18     313.8          30.1                9.3 +/-    1.55      16.3 +/-    1.55  0.040 / 0.060
G20     92.9           38.4                8.3 +/-    0.45      12.4 +/-    0.45  0.160 / 0.380
G21     154.8          19.0               10.9 +/-    1.67      24.6 +/-    1.67  0.170 / 0.330
G24     41.4           12.5                6.3 +/-    1.67      16.6 +/-    1.67  0.040 / 0.030
G27     234.2          18.2               11.2 +/-    3.58      25.7 +/-    3.58  0.030 / 0.030
G31     177.6          28.6               10.7 +/-    1.62      19.2 +/-    1.62  0.110 / 0.200
G32     325.9          75.5                9.3 +/-    0.63       9.6 +/-    0.63  0.110 / 0.240