PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-15:12:30
G01     309.9          30.9                8.0 +/-    0.79      13.8 +/-    0.79  0.090 / 0.120
G10     102.3          42.8                6.9 +/-    0.89       9.6 +/-    0.89  0.080 / 0.140
G11     288.9          26.5                8.5 +/-    1.00      16.0 +/-    1.00  0.040 / 0.040
G14     343.5          68.7                4.8 +/-    0.37       5.1 +/-    0.37  0.040 / 0.040
G22     308.8          24.9                6.6 +/-    0.97      13.0 +/-    0.97  0.040 / 0.030
G25     86.3           15.7                7.7 +/-    1.73      18.8 +/-    1.73  0.030 / 0.070
G31     167.9          62.0                7.1 +/-    0.37       7.9 +/-    0.37  0.130 / 0.220
G32     33.4           54.2                6.0 +/-    1.34       7.2 +/-    1.34  0.120 / 0.170