PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-12:12:50
G08     267.2          18.9                5.8 +/-    1.12      13.2 +/-    1.12  0.130 / 0.270
G10     60.3           58.0                5.4 +/-    0.36       6.2 +/-    0.36  0.140 / 0.280
G11     311.7          17.3               -3.8 +/-   12.28      -9.0 +/-   12.28  0.030 / 0.030
G14     265.1          66.6                4.3 +/-    0.62       4.6 +/-    0.62  0.030 / 0.030
G18     312.0          33.7                2.3 +/-    1.33       3.7 +/-    1.33  0.040 / 0.040
G20     94.5           37.1                7.3 +/-    1.66      11.1 +/-    1.66  0.040 / 0.050
G21     153.8          13.3                4.7 +/-    2.70      12.3 +/-    2.70  0.040 / 0.030
G27     234.6          17.3                6.0 +/-    1.35      14.0 +/-    1.35  0.030 / 0.030
G31     180.1          27.2                4.5 +/-    1.53       8.4 +/-    1.53  0.050 / 0.110
G32     317.3          74.7                4.7 +/-    0.73       4.9 +/-    0.73  0.070 / 0.100