PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/08-00:42:40
G02     350.7          77.8                8.6 +/-    0.62       8.8 +/-    0.62  0.040 / 0.040
G05     162.7          35.2               16.4 +/-    1.02      26.0 +/-    1.02  0.030 / 0.040
G06     41.9           39.1                7.4 +/-    0.38      10.9 +/-    0.38  0.140 / 0.200
G12     309.9          72.2               10.2 +/-    0.88      10.6 +/-    0.88  0.130 / 0.170
G17     85.4           14.0               10.2 +/-    0.98      26.0 +/-    0.98  0.050 / 0.080
G19     75.1           27.9               10.1 +/-    1.19      18.5 +/-    1.19  0.040 / 0.070
G24     227.7          22.2               17.6 +/-    1.58      36.7 +/-    1.58  0.090 / 0.130
G25     317.2          28.8                8.0 +/-    1.54      14.3 +/-    1.54  0.100 / 0.120