PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-09:43:00
G01     227.1          19.0                5.5 +/-    1.91      12.4 +/-    1.91  0.040 / 0.040
G03     290.3          68.4                4.5 +/-    0.70       4.9 +/-    0.70  0.040 / 0.030
G14     83.9           25.8                3.0 +/-    2.32       5.7 +/-    2.32  0.040 / 0.030
G16     149.9          41.3                6.5 +/-    0.86       9.3 +/-    0.86  0.030 / 0.030
G22     218.9          72.0                5.1 +/-    0.48       5.3 +/-    0.48  0.240 / 0.380
G23     306.8          37.8                4.2 +/-    1.80       6.4 +/-    1.80  0.360 / 0.320
G26     104.0          53.7                4.9 +/-    0.45       5.9 +/-    0.45  0.100 / 0.160
G31     44.8           33.6                2.5 +/-    0.75       4.0 +/-    0.75  0.100 / 0.160
G32     96.1           9.8                 4.7 +/-    1.75      13.3 +/-    1.75  0.080 / 0.110