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               11.7 +/-    1.25      18.7 +/-    1.25  0.050 / 0.040
G13     45.4           22.5                6.3 +/-    0.85      13.0 +/-    0.85  0.040 / 0.040
G15     66.9           52.6                8.6 +/-    0.34      10.6 +/-    0.34  0.130 / 0.300
G16     287.7          13.9                8.0 +/-    1.51      20.5 +/-    1.51  0.150 / 0.260
G20     285.2          56.8               10.6 +/-    0.85      12.4 +/-    0.85  0.060 / 0.090
G21     349.4          67.1               -2.8 +/-    0.45      -3.0 +/-    0.45  0.080 / 0.100
G24     126.2          10.1              -16.4 +/-   22.93     -45.7 +/-   22.93  0.130 / 0.300
G26     260.2          11.2               10.2 +/-    1.93      27.7 +/-    1.93  0.130 / 0.340
G27     321.7          12.2                6.0 +/-    3.98      15.8 +/-    3.98  0.070 / 0.250
G29     165.0          36.8               12.3 +/-    0.70      18.9 +/-    0.70  0.070 / 0.220