PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/16-04:57:30
G10     250.7          26.6                8.7 +/-    1.68      16.5 +/-    1.68  0.110 / 0.750
G13     53.6           30.0                5.6 +/-    1.12       9.9 +/-    1.12  0.110 / 0.540
G15     85.9           57.4                6.7 +/-    0.91       7.8 +/-    0.91  0.110 / 0.130
G16     294.8          15.6                4.8 +/-    2.48      11.8 +/-    2.48  0.130 / 0.140
G20     300.0          68.3                5.2 +/-    0.75       5.6 +/-    0.75  0.030 / 0.050
G21     333.4          60.1                5.8 +/-    0.72       6.6 +/-    0.72  0.030 / 0.040
G26     266.3          15.6                8.3 +/-    3.07      20.2 +/-    3.07  0.060 / 0.130
G29     165.2          50.3                8.5 +/-    1.27      10.6 +/-    1.27  0.060 / 0.150