PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/28-10:58:10
G08     271.3          20.3                5.9 +/-    1.54      13.0 +/-    1.54  0.100 / 0.210
G10     53.1           59.4                4.0 +/-    0.58       4.6 +/-    0.58  0.090 / 0.210
G14     256.8          64.1                6.4 +/-    0.43       7.1 +/-    0.43  0.030 / 0.020
G18     314.0          30.0                4.6 +/-    1.09       8.0 +/-    1.09  0.030 / 0.020
G20     90.6           39.7                4.0 +/-    0.80       5.8 +/-    0.80  0.020 / 0.020
G21     153.3          17.7                4.3 +/-    0.71      10.0 +/-    0.71  0.020 / 0.030
G24     41.2           12.1                2.6 +/-    2.66       6.8 +/-    2.66  0.050 / 0.050
G27     237.4          19.9                5.3 +/-    2.35      11.6 +/-    2.35  0.040 / 0.050
G31     180.4          23.9                5.6 +/-    2.48      11.2 +/-    2.48  0.180 / 0.190
G32     298.8          74.5                6.3 +/-    0.67       6.6 +/-    0.67  0.170 / 0.230