PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-09:43:00
G02     70.9           22.4                3.7 +/-    1.22       7.7 +/-    1.22  0.070 / 0.120
G05     47.1           48.4                3.8 +/-    0.40       4.9 +/-    0.40  0.060 / 0.130
G12     183.5          20.9                7.1 +/-    1.06      15.3 +/-    1.06  0.040 / 0.050
G13     118.5          23.6                8.1 +/-    1.31      16.4 +/-    1.31  0.030 / 0.050
G15     155.3          23.1                8.1 +/-    2.12      16.5 +/-    2.12  0.050 / 0.050
G20     220.9          68.5                7.7 +/-    0.96       8.2 +/-    0.96  0.050 / 0.050
G21     282.8          27.3                4.2 +/-    1.87       7.7 +/-    1.87  0.050 / 0.080
G25     222.8          41.9                6.9 +/-    0.55       9.7 +/-    0.55  0.040 / 0.080
G26     319.8          10.1              -20.8 +/-   10.91     -58.0 +/-   10.91  0.020 / 0.030
G29     339.7          69.0                4.9 +/-    1.20       5.2 +/-    1.20  0.030 / 0.040