PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-17:42:30
G02     34.5           54.3                6.6 +/-    1.01       8.0 +/-    1.01  0.030 / 0.030
G05     131.3          65.8                7.7 +/-    0.46       8.4 +/-    0.46  0.030 / 0.030
G06     57.3           10.0                7.9 +/-    1.10      22.1 +/-    1.10  0.030 / 0.050
G12     185.7          58.1                8.5 +/-    1.09       9.8 +/-    1.09  0.040 / 0.040
G19     102.6          9.9                 9.2 +/-    2.60      25.8 +/-    2.60  0.050 / 0.040
G25     287.1          57.2                5.6 +/-    2.80       6.5 +/-    2.80  0.040 / 0.040
G29     310.0          30.3                7.8 +/-    1.36      13.6 +/-    1.36  0.180 / 0.170