PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-04:58:10
G10     242.4          19.0                8.0 +/-    1.28      18.1 +/-    1.28  0.120 / 0.510
G13     64.6           34.8                6.6 +/-    0.84      10.5 +/-    0.84  0.110 / 0.460
G15     107.4          56.7                6.7 +/-    0.32       7.8 +/-    0.32  0.110 / 0.300
G16     305.2          15.0                4.1 +/-    2.54      10.2 +/-    2.54  0.120 / 0.200
G20     279.7          66.6                6.6 +/-    0.72       7.1 +/-    0.72  0.040 / 0.070
G21     321.8          52.9                7.4 +/-    1.56       9.0 +/-    1.56  0.040 / 0.060
G26     276.6          19.2                5.9 +/-    1.60      13.3 +/-    1.60  0.040 / 0.050
G29     161.5          62.3                7.4 +/-    1.05       8.2 +/-    1.05  0.040 / 0.050