PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/25-09:12:40
G01     310.0          30.9                5.6 +/-    1.63       9.7 +/-    1.63  0.040 / 0.050
G10     102.4          42.5                5.9 +/-    0.60       8.3 +/-    0.60  0.040 / 0.050
G11     286.6          27.5                5.6 +/-    1.23      10.4 +/-    1.23  0.070 / 0.110
G14     335.6          68.9                4.4 +/-    0.40       4.6 +/-    0.40  0.080 / 0.130
G18     283.8          48.6               -1.9 +/-    1.57      -2.5 +/-    1.57  0.160 / 0.150
G22     309.4          26.7                3.7 +/-    1.73       6.9 +/-    1.73  0.140 / 0.140
G25     86.1           15.6                2.2 +/-    1.35       5.4 +/-    1.35  0.080 / 0.180
G31     165.3          63.1                6.0 +/-    0.68       6.6 +/-    0.68  0.110 / 0.190
G32     34.6           53.4                4.4 +/-    1.50       5.3 +/-    1.50  0.140 / 0.140