PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-09:58:10
G01     309.6          31.2                5.0 +/-    1.66       8.5 +/-    1.66  0.050 / 0.060
G10     102.9          42.2                5.1 +/-    0.60       7.2 +/-    0.60  0.050 / 0.040
G11     286.3          27.4                3.5 +/-    1.43       6.5 +/-    1.43  0.080 / 0.140
G14     336.4          68.7                4.1 +/-    0.94       4.4 +/-    0.94  0.070 / 0.140
G18     283.2          48.7                4.8 +/-    1.00       6.2 +/-    1.00  0.060 / 0.200
G22     309.7          27.7                2.8 +/-    1.86       5.1 +/-    1.86  0.080 / 0.200
G25     85.7           15.8                2.8 +/-    1.25       6.8 +/-    1.25  0.030 / 0.050
G31     165.0          63.6                7.3 +/-    1.17       8.1 +/-    1.17  0.040 / 0.050
G32     35.0           53.1                3.6 +/-    0.48       4.3 +/-    0.48  0.070 / 0.130