PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-21:43:00
G05     49.1           15.9                6.9 +/-    2.12      16.9 +/-    2.12  0.140 / 0.370
G13     72.7           35.2                8.3 +/-    1.01      13.2 +/-    1.01  0.150 / 0.370
G15     121.8          53.5                9.9 +/-    0.32      12.0 +/-    0.32  0.050 / 0.070
G16     313.0          12.8                7.5 +/-    5.84      19.7 +/-    5.84  0.040 / 0.080
G20     249.8          38.1               10.1 +/-    1.47      15.1 +/-    1.47  0.080 / 0.110
G21     314.5          47.2                9.5 +/-    0.82      12.4 +/-    0.82  0.070 / 0.120
G25     199.2          10.6               10.3 +/-    3.36      28.4 +/-    3.36  0.030 / 0.040
G26     286.2          20.0                6.2 +/-    1.53      13.6 +/-    1.53  0.030 / 0.040
G29     154.0          70.4               10.2 +/-    0.50      10.8 +/-    0.50  0.110 / 0.300