PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-09:27:50
G01     238.6          29.0                5.5 +/-    0.93       9.8 +/-    0.93  0.040 / 0.030
G03     311.3          56.9                5.6 +/-    1.80       6.6 +/-    1.80  0.040 / 0.030
G14     70.8           34.2                4.2 +/-    1.99       6.7 +/-    1.99  0.050 / 0.050
G16     158.5          27.3                6.0 +/-    2.09      11.2 +/-    2.09  0.040 / 0.050
G18     212.0          18.3                3.9 +/-    8.44       9.0 +/-    8.44  0.080 / 0.190
G22     274.3          75.3                5.8 +/-    0.73       5.9 +/-    0.73  0.130 / 0.150
G23     295.9          28.2                4.7 +/-    2.14       8.6 +/-    2.14  0.050 / 0.140
G26     126.0          46.2                6.2 +/-    0.97       8.3 +/-    0.97  0.070 / 0.120
G31     41.3           46.7                3.4 +/-    1.06       4.4 +/-    1.06  0.080 / 0.140
G32     84.8           18.6                3.1 +/-    2.91       7.2 +/-    2.91  0.050 / 0.170