PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/03-17:58:00
G02     237.3          72.7               11.4 +/-    0.86      11.9 +/-    0.86  0.090 / 0.250
G05     172.4          15.1               11.7 +/-    2.28      29.0 +/-    2.28  0.080 / 0.250
G06     41.2           57.2               11.6 +/-    0.53      13.6 +/-    0.53  0.040 / 0.050
G12     322.8          55.2                8.1 +/-    1.19       9.6 +/-    1.19  0.040 / 0.050
G17     70.5           22.2               11.5 +/-    1.05      23.9 +/-    1.05  0.140 / 0.360
G19     53.4           41.9               11.6 +/-    0.89      16.4 +/-    0.89  0.120 / 0.320
G24     244.4          35.2               13.7 +/-    1.15      21.7 +/-    1.15  0.040 / 0.050
G25     316.5          12.0                9.6 +/-    2.76      25.6 +/-    2.76  0.030 / 0.050