PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-14:58:00
G02     295.7          79.8                7.5 +/-    0.76       7.7 +/-    0.76  0.100 / 0.180
G05     169.1          26.9                9.5 +/-    1.00      17.9 +/-    1.00  0.090 / 0.170
G06     40.7           43.6                5.3 +/-    0.42       7.3 +/-    0.42  0.030 / 0.040
G12     316.7          69.6                6.9 +/-    0.62       7.3 +/-    0.62  0.030 / 0.030
G17     83.0           12.6                6.7 +/-    1.58      17.5 +/-    1.58  0.050 / 0.110
G19     67.9           33.7                6.8 +/-    0.80      11.1 +/-    0.80  0.080 / 0.100
G24     229.3          25.2                9.4 +/-    1.39      18.4 +/-    1.39  0.050 / 0.050
G25     317.4          27.0                4.8 +/-    2.46       8.9 +/-    2.46  0.030 / 0.060