PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-17:42:40
G02     243.3          74.6               10.0 +/-    0.45      10.4 +/-    0.45  0.220 / 0.360
G05     171.5          17.2               13.8 +/-    3.02      32.6 +/-    3.02  0.120 / 0.220
G06     40.7           54.7               10.0 +/-    0.54      12.0 +/-    0.54  0.110 / 0.110
G12     322.7          58.0                8.0 +/-    0.95       9.2 +/-    0.95  0.170 / 0.110
G17     72.7           20.5                9.4 +/-    2.45      20.3 +/-    2.45  0.040 / 0.050
G19     56.0           40.5                8.7 +/-    1.70      12.6 +/-    1.70  0.040 / 0.040
G24     241.7          33.7               11.9 +/-    2.21      19.3 +/-    2.21  0.140 / 0.370
G25     316.9          14.2                7.6 +/-    1.76      19.2 +/-    1.76  0.110 / 0.280