PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-06:43:00
G01     318.4          20.3                2.9 +/-    2.22       6.4 +/-    2.22  0.130 / 0.240
G08     257.2          12.6                6.0 +/-   14.57      15.8 +/-   14.57  0.170 / 0.330
G10     83.1           50.9                5.0 +/-    0.78       6.3 +/-    0.78  0.030 / 0.030
G11     301.3          23.8                2.8 +/-    2.32       5.7 +/-    2.32  0.050 / 0.040
G14     302.3          71.3                5.2 +/-    1.05       5.4 +/-    1.05  0.130 / 0.290
G18     302.3          42.8                4.8 +/-    1.91       6.7 +/-    1.91  0.220 / 0.240
G20     107.0          27.9                5.4 +/-    0.72       9.8 +/-    0.72  0.040 / 0.050
G22     302.3          13.1                6.3 +/-    3.64      16.5 +/-    3.64  0.040 / 0.050
G31     174.7          44.3                6.9 +/-    0.57       9.4 +/-    0.57  0.260 / 0.320
G32     4.1            68.1                3.9 +/-    0.73       4.2 +/-    0.73  0.390 / 0.360