PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-02:42:40
G10     260.0          34.9               12.5 +/-    1.08      19.9 +/-    1.08  0.140 / 0.210
G13     45.4           22.5                6.8 +/-    2.19      14.2 +/-    2.19  0.140 / 0.260
G15     66.9           52.6                7.4 +/-    0.96       9.1 +/-    0.96  0.110 / 0.080
G16     287.7          13.9                7.4 +/-    1.84      18.8 +/-    1.84  0.110 / 0.100
G20     285.2          56.8                9.2 +/-    2.09      10.7 +/-    2.09  0.040 / 0.040
G21     349.4          67.1                9.7 +/-    0.74      10.4 +/-    0.74  0.050 / 0.050
G24     126.2          10.1               -8.4 +/-   34.36     -23.3 +/-   34.36  0.150 / 0.320
G26     260.2          11.2               10.4 +/-    7.04      28.2 +/-    7.04  0.170 / 0.440
G27     321.7          12.2                2.2 +/-   20.70       5.8 +/-   20.70  0.090 / 0.280
G29     165.0          36.8               12.1 +/-    1.05      18.5 +/-    1.05  0.160 / 0.280