PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-17:27:30
G02     232.3          70.3               11.0 +/-    0.49      11.6 +/-    0.49  0.250 / 0.360
G05     173.4          13.0               13.7 +/-    3.71      35.7 +/-    3.71  0.210 / 0.250
G06     42.0           59.6               10.3 +/-    0.53      11.8 +/-    0.53  0.080 / 0.100
G12     322.7          53.0                9.4 +/-    0.45      11.5 +/-    0.45  0.050 / 0.130
G17     68.7           23.4                9.2 +/-    1.68      18.6 +/-    1.68  0.030 / 0.040
G19     50.6           43.5               10.1 +/-    1.61      13.9 +/-    1.61  0.040 / 0.030
G24     247.0          36.6               11.9 +/-    1.30      18.4 +/-    1.30  0.030 / 0.030