PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/19-09:43:00
G08     265.7          17.8                6.3 +/-    1.09      14.8 +/-    1.09  0.150 / 0.300
G10     65.0           56.8                3.7 +/-    0.78       4.4 +/-    0.78  0.220 / 0.270
G11     310.1          18.6                2.2 +/-    3.02       5.0 +/-    3.02  0.030 / 0.020
G14     270.8          67.9                4.3 +/-    0.82       4.6 +/-    0.82  0.030 / 0.020
G18     311.0          35.0                3.9 +/-    1.19       6.2 +/-    1.19  0.050 / 0.060
G20     97.0           35.4                3.9 +/-    0.73       6.1 +/-    0.73  0.040 / 0.050
G21     154.7          12.6                2.7 +/-    2.46       7.2 +/-    2.46  0.030 / 0.020
G27     232.2          15.6                6.1 +/-    2.06      15.1 +/-    2.06  0.030 / 0.030
G31     178.5          31.1                5.2 +/-    1.61       9.0 +/-    1.61  0.220 / 0.270
G32     323.9          74.1                3.9 +/-    0.84       4.0 +/-    0.84  0.290 / 0.230