PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-08:43:00
G01     223.9          15.9                5.3 +/-    1.60      13.0 +/-    1.60  0.140 / 0.200
G03     280.0          70.0                5.5 +/-    0.46       5.8 +/-    0.46  0.100 / 0.220
G14     87.5           23.4                3.5 +/-    1.83       7.2 +/-    1.83  0.040 / 0.050
G16     145.5          45.8                6.9 +/-    0.99       9.3 +/-    0.99  0.040 / 0.040
G22     211.5          68.7                5.6 +/-    0.74       6.0 +/-    0.74  0.040 / 0.040
G23     310.7          41.6                4.4 +/-    1.83       6.3 +/-    1.83  0.030 / 0.040
G26     95.2           54.5                6.6 +/-    0.88       7.9 +/-    0.88  0.110 / 0.190
G31     46.4           29.6                2.3 +/-    1.06       4.0 +/-    1.06  0.120 / 0.250