PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-02:27:40
G01     222.6          15.1                6.1 +/-    1.61      15.1 +/-    1.61  0.050 / 0.050
G03     283.9          68.3                4.1 +/-    0.59       4.3 +/-    0.59  0.040 / 0.040
G14     86.8           25.3                5.1 +/-    0.96       9.9 +/-    0.96  0.170 / 0.250
G16     141.8          47.4                7.9 +/-    1.32      10.3 +/-    1.32  0.250 / 0.370
G22     216.9          69.0                5.3 +/-    0.70       5.6 +/-    0.70  0.050 / 0.090
G23     309.9          40.3                5.3 +/-    1.02       7.7 +/-    1.02  0.040 / 0.080
G26     92.2           54.1                5.9 +/-    0.80       7.1 +/-    0.80  0.110 / 0.170
G31     46.8           28.8                1.3 +/-    1.01       2.3 +/-    1.01  0.110 / 0.180