PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-03:58:00
G01     220.3          12.6                6.5 +/-    2.12      17.1 +/-    2.12  0.150 / 0.480
G03     272.1          69.9                5.6 +/-    0.55       5.9 +/-    0.55  0.140 / 0.520
G09     297.6          11.9                5.4 +/-    3.32      14.4 +/-    3.32  0.040 / 0.050
G14     90.4           22.4                2.4 +/-    1.16       5.1 +/-    1.16  0.040 / 0.040
G16     138.3          50.6                6.6 +/-    0.79       8.3 +/-    0.79  0.100 / 0.280
G22     209.4          65.8                6.6 +/-    0.76       7.2 +/-    0.76  0.100 / 0.340
G23     313.2          43.6                3.8 +/-    1.11       5.3 +/-    1.11  0.240 / 0.420
G26     85.4           54.0                4.3 +/-    0.53       5.2 +/-    0.53  0.220 / 0.400
G31     48.3           25.6                4.2 +/-    0.84       8.1 +/-    0.84  0.040 / 0.090