PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-14:27:50
G05     48.5           18.7                4.2 +/-    1.09       9.6 +/-    1.09  0.080 / 0.170
G10     236.6          15.2                5.0 +/-    1.48      12.3 +/-    1.48  0.140 / 0.160
G13     73.1           35.0                6.8 +/-    1.40      10.8 +/-    1.40  0.100 / 0.270
G15     117.7          53.4                8.8 +/-    0.79      10.7 +/-    0.79  0.110 / 0.290
G16     312.4          13.3                1.5 +/-    2.91       3.8 +/-    2.91  0.030 / 0.020
G20     250.5          40.5                7.8 +/-    1.83      11.2 +/-    1.83  0.020 / 0.020
G21     315.1          47.8                6.3 +/-    0.69       8.2 +/-    0.69  0.040 / 0.070
G25     198.8          10.7                4.9 +/-    4.05      13.6 +/-    4.05  0.030 / 0.080
G26     286.7          19.9                2.9 +/-    3.19       6.3 +/-    3.19  0.100 / 0.270
G29     154.2          72.5                8.3 +/-    0.61       8.7 +/-    0.61  0.220 / 0.310