PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-09:27:30
G10     273.6          42.6                5.6 +/-    0.99       7.8 +/-    0.99  0.030 / 0.040
G13     39.4           13.3                3.0 +/-    2.27       7.9 +/-    2.27  0.030 / 0.040
G15     53.5           43.4                4.7 +/-    0.85       6.5 +/-    0.85  0.280 / 0.250
G20     309.8          62.7                5.0 +/-    0.46       5.5 +/-    0.46  0.110 / 0.340
G21     34.9           75.1               -5.7 +/-    0.39      -5.9 +/-    0.39  0.140 / 0.410
G24     113.7          17.6                6.1 +/-    1.33      14.2 +/-    1.33  0.060 / 0.050
G27     317.0          21.3                2.8 +/-    2.50       5.9 +/-    2.50  0.060 / 0.040
G29     165.6          20.8                6.4 +/-    3.29      13.9 +/-    3.29  0.130 / 0.190
G32     206.1          10.8              -14.8 +/-   16.64     -40.6 +/-   16.64  0.100 / 0.180