PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-18:57:50
G05     48.7           17.7                7.3 +/-    2.02      16.9 +/-    2.02  0.050 / 0.080
G10     236.6          14.8               10.7 +/-    3.31      26.7 +/-    3.31  0.080 / 0.080
G13     73.3           35.1                9.1 +/-    1.92      14.4 +/-    1.92  0.060 / 0.110
G15     123.6          53.1               10.2 +/-    0.64      12.4 +/-    0.64  0.070 / 0.120
G16     312.8          13.1                6.7 +/-    3.94      17.5 +/-    3.94  0.040 / 0.050
G20     249.7          38.7                9.6 +/-    0.98      14.3 +/-    0.98  0.030 / 0.040
G21     314.0          46.8                9.4 +/-    0.83      12.4 +/-    0.83  0.120 / 0.370
G25     199.5          11.1                9.8 +/-    2.57      26.8 +/-    2.57  0.130 / 0.380
G26     286.5          20.1                7.2 +/-    1.26      15.9 +/-    1.26  0.120 / 0.280
G29     154.0          72.0               10.8 +/-    0.48      11.2 +/-    0.48  0.100 / 0.260