PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-11:27:50
G08     279.4          19.7                6.6 +/-    1.77      14.6 +/-    1.77  0.050 / 0.050
G10     46.6           61.1                6.1 +/-    1.05       6.9 +/-    1.05  0.040 / 0.050
G11     317.0          10.6               -5.4 +/-    5.67     -14.9 +/-    5.67  0.260 / 0.520
G14     250.5          58.4                7.3 +/-    1.11       8.4 +/-    1.11  0.170 / 0.310
G18     315.6          24.6                5.0 +/-    1.00       9.9 +/-    1.00  0.190 / 0.320
G21     153.0          21.7                7.0 +/-    2.07      14.8 +/-    2.07  0.200 / 0.310
G24     43.1           15.3                3.4 +/-    1.64       8.4 +/-    1.64  0.170 / 0.310
G27     236.7          20.4                7.5 +/-    1.08      16.3 +/-    1.08  0.080 / 0.160
G31     178.6          24.4                6.5 +/-    1.49      12.8 +/-    1.49  0.090 / 0.220
G32     315.9          76.5                7.1 +/-    0.57       7.3 +/-    0.57  0.120 / 0.160