PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-19:58:00
G10     262.1          36.6               13.4 +/-    0.83      20.6 +/-    0.83  0.110 / 0.290
G13     44.1           20.9                9.7 +/-    2.71      20.8 +/-    2.71  0.180 / 0.290
G15     65.5           52.6               11.6 +/-    0.51      14.1 +/-    0.51  0.050 / 0.050
G16     283.4          14.1               10.3 +/-    2.50      26.2 +/-    2.50  0.050 / 0.040
G20     290.2          58.6               12.6 +/-    0.68      14.5 +/-    0.68  0.070 / 0.290
G21     350.9          67.9               10.7 +/-    0.58      11.5 +/-    0.58  0.080 / 0.290
G24     126.1          11.1               12.5 +/-   34.86      34.0 +/-   34.86  0.120 / 0.410
G26     257.3          10.2               13.0 +/-    2.64      36.0 +/-    2.64  0.130 / 0.320
G27     320.8          14.5                8.1 +/-    4.25      20.3 +/-    4.25  0.030 / 0.060
G29     166.5          37.3               14.6 +/-    1.67      22.2 +/-    1.67  0.030 / 0.050