PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-07:12:30
G08     288.5          23.0                5.8 +/-    1.16      11.9 +/-    1.16  0.130 / 0.100
G10     21.6           62.6                3.2 +/-    0.97       3.6 +/-    0.97  0.140 / 0.120
G14     234.4          51.5                7.2 +/-    2.31       8.9 +/-    2.31  0.070 / 0.090
G18     317.7          15.7                1.4 +/-    2.12       3.5 +/-    2.12  0.060 / 0.110
G20     72.6           49.2                3.5 +/-    1.31       4.5 +/-    1.31  0.070 / 0.020
G21     149.0          34.5                6.8 +/-    1.79      10.9 +/-    1.79  0.050 / 0.030
G24     51.3           22.5                3.4 +/-    2.78       7.0 +/-    2.78  0.050 / 0.020
G27     250.5          29.3                7.9 +/-    1.77      14.0 +/-    1.77  0.050 / 0.030
G31     182.7          10.8               -4.0 +/-   14.53     -10.9 +/-   14.53  0.090 / 0.090
G32     252.5          68.0                4.9 +/-    0.42       5.2 +/-    0.42  0.090 / 0.100