PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-12:58:10
G01     318.0          21.1                3.9 +/-    2.10       8.3 +/-    2.10  0.180 / 0.260
G08     253.4          11.7                5.0 +/-    3.62      13.5 +/-    3.62  0.200 / 0.210
G10     85.1           50.4                4.7 +/-    1.11       6.0 +/-    1.11  0.030 / 0.020
G11     299.0          25.1                4.1 +/-    1.16       8.1 +/-    1.16  0.030 / 0.020
G14     310.1          71.7                5.3 +/-    0.61       5.5 +/-    0.61  0.050 / 0.040
G18     299.0          45.3                5.1 +/-    2.66       6.8 +/-    2.66  0.060 / 0.050
G20     108.3          26.5                4.8 +/-    0.77       9.1 +/-    0.77  0.030 / 0.040
G22     303.3          15.4                2.1 +/-    2.02       5.2 +/-    2.02  0.030 / 0.030
G31     177.4          43.4                5.5 +/-    1.73       7.6 +/-    1.73  0.110 / 0.150
G32     4.2            67.7                4.7 +/-    0.46       5.1 +/-    0.46  0.100 / 0.160