PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-08:58:00
G01     244.5          33.0                7.2 +/-    1.02      11.9 +/-    1.02  0.090 / 0.140
G03     314.8          50.9                4.7 +/-    1.03       5.9 +/-    1.03  0.080 / 0.130
G14     64.8           37.9                3.0 +/-    0.82       4.6 +/-    0.82  0.040 / 0.040
G16     161.3          21.7                3.8 +/-    6.79       7.9 +/-    6.79  0.040 / 0.040
G18     216.0          23.1                6.6 +/-    1.64      13.5 +/-    1.64  0.050 / 0.060
G22     294.3          71.6                4.7 +/-    1.06       4.9 +/-    1.06  0.060 / 0.060
G23     291.4          24.6                5.0 +/-    1.63       9.9 +/-    1.63  0.060 / 0.110
G26     132.9          41.6                7.0 +/-    1.28       9.9 +/-    1.28  0.050 / 0.110
G31     41.1           52.7                2.7 +/-    0.62       3.3 +/-    0.62  0.100 / 0.220
G32     79.8           22.2                2.3 +/-    1.29       4.7 +/-    1.29  0.070 / 0.180