PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-20:12:50
G05     50.4           13.7                7.7 +/-    0.67      19.8 +/-    0.67  0.050 / 0.070
G10     239.4          18.0               13.9 +/-    2.48      32.1 +/-    2.48  0.060 / 0.080
G13     68.1           34.4                9.5 +/-    0.59      15.2 +/-    0.59  0.120 / 0.430
G15     116.8          55.4               12.5 +/-    0.66      14.9 +/-    0.66  0.110 / 0.410
G16     309.3          14.2                9.0 +/-    1.67      22.8 +/-    1.67  0.060 / 0.130
G20     253.7          41.5               13.1 +/-    0.73      18.6 +/-    0.73  0.050 / 0.130
G21     318.0          49.6               12.4 +/-    0.83      15.7 +/-    0.83  0.060 / 0.200
G26     282.2          19.5               10.8 +/-    1.60      24.0 +/-    1.60  0.060 / 0.160
G29     157.1          66.8               11.9 +/-    1.11      12.9 +/-    1.11  0.030 / 0.050