PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-09:28:10
G10     274.2          42.8                4.4 +/-    0.66       6.1 +/-    0.66  0.060 / 0.080
G13     39.3           12.9                1.6 +/-    1.00       4.2 +/-    1.00  0.060 / 0.070
G15     53.1           43.1                4.4 +/-    0.29       6.0 +/-    0.29  0.100 / 0.190
G20     310.7          62.8                3.6 +/-    1.08       4.0 +/-    1.08  0.110 / 0.170
G21     36.7           75.2               -6.9 +/-    0.45      -7.1 +/-    0.45  0.050 / 0.120
G24     113.3          17.9                5.9 +/-    1.03      13.7 +/-    1.03  0.050 / 0.130
G27     316.7          21.7                2.1 +/-    2.41       4.4 +/-    2.41  0.030 / 0.050
G29     165.6          20.3                6.1 +/-    1.14      13.4 +/-    1.14  0.030 / 0.050
G32     206.2          11.2              -15.6 +/-   22.29     -42.3 +/-   22.29  0.070 / 0.280