PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/10-13:27:50
G03     316.0          31.9                4.9 +/-    1.52       8.3 +/-    1.52  0.060 / 0.060
G10     129.3          17.8                7.2 +/-    2.87      16.8 +/-    2.87  0.080 / 0.060
G11     253.3          20.6                6.2 +/-    4.10      13.3 +/-    4.10  0.140 / 0.190
G14     38.6           53.0                7.3 +/-    1.60       8.9 +/-    1.60  0.110 / 0.150
G18     236.4          39.9                8.7 +/-    0.97      12.7 +/-    0.97  0.180 / 0.370
G22     314.5          55.7                5.2 +/-    0.97       6.2 +/-    0.97  0.180 / 0.350
G25     53.8           17.4                6.7 +/-    4.07      15.7 +/-    4.07  0.070 / 0.050
G31     55.0           72.6                6.9 +/-    0.38       7.2 +/-    0.38  0.070 / 0.050
G32     64.4           31.7                5.3 +/-    1.21       9.0 +/-    1.21  0.120 / 0.120