PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-21:12:50
G05     48.9           16.6                6.3 +/-    0.82      15.1 +/-    0.82  0.110 / 0.420
G10     236.6          14.7               11.6 +/-    3.63      29.0 +/-    3.63  0.130 / 0.410
G13     73.4           35.2                9.2 +/-    0.80      14.5 +/-    0.80  0.060 / 0.100
G15     123.1          53.1               10.0 +/-    0.77      12.2 +/-    0.77  0.040 / 0.080
G16     313.3          12.7                7.4 +/-    3.56      19.5 +/-    3.56  0.190 / 0.300
G20     249.3          37.8               12.0 +/-    1.18      18.2 +/-    1.18  0.130 / 0.260
G21     313.9          46.8                7.8 +/-    0.98      10.2 +/-    0.98  0.100 / 0.230
G26     286.7          20.0                8.0 +/-    1.41      17.6 +/-    1.41  0.140 / 0.280
G29     153.6          71.3                8.2 +/-    0.98       8.6 +/-    0.98  0.050 / 0.130