PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-08:13:10
G10     243.6          21.5                6.5 +/-    2.28      13.7 +/-    2.28  0.060 / 0.110
G13     61.9           33.3                4.7 +/-    1.66       7.7 +/-    1.66  0.060 / 0.140
G15     102.6          57.1                6.8 +/-    0.87       7.9 +/-    0.87  0.150 / 0.250
G16     309.2          12.5                2.0 +/-    1.99       5.3 +/-    1.99  0.170 / 0.250
G20     259.5          45.3                6.3 +/-    2.94       8.5 +/-    2.94  0.120 / 0.280
G26     281.1          17.4                4.3 +/-    0.87      10.0 +/-    0.87  0.160 / 0.300
G29     157.6          54.3                7.2 +/-    0.49       8.7 +/-    0.49  0.030 / 0.030