PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-09:12:50
G01     245.2          33.4                6.8 +/-    0.99      11.2 +/-    0.99  0.080 / 0.100
G03     315.0          50.5                6.4 +/-    0.88       8.1 +/-    0.88  0.080 / 0.100
G14     64.2           38.3                4.4 +/-    0.68       6.7 +/-    0.68  0.040 / 0.040
G16     161.8          21.0               -1.7 +/-   14.58      -3.7 +/-   14.58  0.040 / 0.030
G18     216.3          23.6                6.6 +/-    1.18      13.4 +/-    1.18  0.050 / 0.070
G22     295.4          71.3                6.2 +/-    0.63       6.5 +/-    0.63  0.050 / 0.080
G23     290.8          24.0                5.4 +/-    1.78      10.8 +/-    1.78  0.060 / 0.110
G26     133.6          41.1                7.9 +/-    1.11      11.2 +/-    1.11  0.050 / 0.110
G31     41.1           53.4                4.0 +/-    0.39       4.9 +/-    0.39  0.090 / 0.260
G32     79.2           22.7                2.5 +/-    0.62       5.2 +/-    0.62  0.090 / 0.190