PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-08:42:40
G01     227.9          19.8                5.4 +/-    2.81      12.0 +/-    2.81  0.040 / 0.030
G03     294.2          67.0                5.2 +/-    0.88       5.6 +/-    0.88  0.030 / 0.030
G14     82.6           26.7                2.9 +/-    1.15       5.4 +/-    1.15  0.040 / 0.040
G16     150.1          40.3                4.5 +/-    0.76       6.6 +/-    0.76  0.030 / 0.040
G22     224.9          72.9                5.9 +/-    0.63       6.1 +/-    0.63  0.190 / 0.280
G23     306.3          37.6                4.4 +/-    1.69       6.7 +/-    1.69  0.220 / 0.300
G26     105.6          53.2                5.2 +/-    0.46       6.3 +/-    0.46  0.090 / 0.160
G31     44.4           34.4                3.0 +/-    1.19       4.7 +/-    1.19  0.090 / 0.200
G32     95.4           10.1                3.7 +/-    1.94      10.3 +/-    1.94  0.060 / 0.100