PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-14:28:10
G02     37.9           51.5                6.0 +/-    0.63       7.4 +/-    0.63  0.030 / 0.040
G05     135.9          64.9                7.8 +/-    1.04       8.5 +/-    1.04  0.040 / 0.050
G06     55.4           15.6                5.3 +/-    1.35      13.1 +/-    1.35  0.080 / 0.180
G12     197.7          64.0                8.3 +/-    0.61       9.2 +/-    0.61  0.130 / 0.170
G20     199.5          29.6                8.5 +/-    1.56      15.0 +/-    1.56  0.030 / 0.040
G25     288.5          56.8                7.3 +/-    1.35       8.6 +/-    1.35  0.030 / 0.040
G29     313.5          36.6                7.4 +/-    1.47      11.4 +/-    1.47  0.130 / 0.310