PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-09:58:10
G01     314.6          25.9                3.6 +/-    1.18       6.9 +/-    1.18  0.040 / 0.060
G10     94.1           47.2                5.3 +/-    0.30       6.9 +/-    0.30  0.050 / 0.060
G11     294.4          26.0                4.4 +/-    1.58       8.5 +/-    1.58  0.130 / 0.380
G14     315.4          69.7                4.9 +/-    0.66       5.2 +/-    0.66  0.130 / 0.340
G18     294.0          45.8                6.0 +/-    0.85       8.0 +/-    0.85  0.030 / 0.040
G22     306.7          22.1                3.1 +/-    3.29       6.4 +/-    3.29  0.030 / 0.050
G25     92.9           12.9                3.6 +/-    1.16       9.5 +/-    1.16  0.080 / 0.220
G31     170.2          55.3                7.2 +/-    1.75       8.5 +/-    1.75  0.060 / 0.180
G32     26.4           58.7                4.6 +/-    0.64       5.3 +/-    0.64  0.070 / 0.170