PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/19-09:42:50
G08     265.7          17.8                6.6 +/-    1.98      15.2 +/-    1.98  0.030 / 0.030
G10     65.0           56.8                2.8 +/-    0.83       3.3 +/-    0.83  0.030 / 0.040
G11     310.1          18.6                5.1 +/-    1.62      11.6 +/-    1.62  0.080 / 0.330
G14     270.8          67.9                3.6 +/-    0.72       3.8 +/-    0.72  0.080 / 0.320
G18     311.0          35.0                4.7 +/-    2.91       7.5 +/-    2.91  0.090 / 0.170
G20     97.0           35.4                3.5 +/-    0.78       5.5 +/-    0.78  0.080 / 0.160
G21     154.7          12.6                2.8 +/-    4.49       7.3 +/-    4.49  0.110 / 0.250
G27     232.2          15.6                5.3 +/-    1.98      13.0 +/-    1.98  0.150 / 0.240
G31     178.5          31.1                5.8 +/-    3.19       9.9 +/-    3.19  0.040 / 0.050
G32     323.9          74.1                4.4 +/-    0.63       4.6 +/-    0.63  0.040 / 0.050