PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-20:43:00
G10     246.3          23.3               20.7 +/-    1.90      42.0 +/-    1.90  0.040 / 0.070
G13     58.4           32.3               13.5 +/-    0.83      22.5 +/-    0.83  0.050 / 0.060
G15     108.4          59.4               17.8 +/-    0.69      20.3 +/-    0.69  0.170 / 0.580
G16     300.1          15.7               10.9 +/-    3.34      26.7 +/-    3.34  0.200 / 0.630
G20     263.2          47.3               18.1 +/-    0.73      23.6 +/-    0.73  0.070 / 0.120
G21     327.7          56.5               15.1 +/-    1.05      17.7 +/-    1.05  0.070 / 0.130
G26     272.4          17.4               17.3 +/-    1.92      40.5 +/-    1.92  0.030 / 0.040
G29     163.3          56.5               18.7 +/-    1.10      22.0 +/-    1.10  0.030 / 0.050