PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-16:13:10
G10     246.8          23.9                9.5 +/-    1.50      19.0 +/-    1.50  0.040 / 0.040
G13     57.8           31.9                7.4 +/-    1.11      12.5 +/-    1.11  0.040 / 0.040
G15     100.4          58.7                9.9 +/-    0.72      11.4 +/-    0.72  0.060 / 0.110
G16     300.9          15.2                6.1 +/-    1.62      15.1 +/-    1.62  0.070 / 0.140
G20     264.0          47.8               10.0 +/-    3.63      12.9 +/-    3.63  0.120 / 0.380
G21     331.1          58.4                8.6 +/-    0.68       9.9 +/-    0.68  0.110 / 0.370
G26     273.8          17.0                8.0 +/-    4.34      19.0 +/-    4.34  0.030 / 0.030
G29     162.4          54.5               10.0 +/-    1.09      12.0 +/-    1.09  0.030 / 0.030