PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/24-05:58:00
G05     51.5           10.4                3.0 +/-    3.53       8.2 +/-    3.53  0.040 / 0.050
G10     240.3          16.8                6.9 +/-    1.24      16.4 +/-    1.24  0.050 / 0.040
G13     68.2           35.7                5.7 +/-    0.90       8.9 +/-    0.90  0.070 / 0.310
G15     112.3          55.6                6.5 +/-    0.52       7.7 +/-    0.52  0.100 / 0.360
G16     308.2          14.4                1.9 +/-    3.57       4.7 +/-    3.57  0.260 / 0.240
G20     292.2          72.3                5.8 +/-    0.54       6.1 +/-    0.54  0.300 / 0.310
G21     319.2          51.2                4.3 +/-    0.59       5.4 +/-    0.59  0.050 / 0.060
G26     279.8          19.8                4.3 +/-    1.37       9.4 +/-    1.37  0.050 / 0.040
G29     160.0          65.4                6.5 +/-    0.40       7.1 +/-    0.40  0.030 / 0.030