PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-16:58:10
G10     259.9          34.1               10.1 +/-    1.84      16.3 +/-    1.84  0.070 / 0.030
G13     45.6           23.1                9.1 +/-    2.21      18.7 +/-    2.21  0.060 / 0.030
G15     71.0           55.5               10.4 +/-    0.67      12.3 +/-    0.67  0.130 / 0.300
G16     286.3          14.0                8.3 +/-    0.87      21.1 +/-    0.87  0.140 / 0.320
G20     285.1          56.9               10.0 +/-    2.14      11.7 +/-    2.14  0.270 / 0.360
G21     352.7          68.2                9.6 +/-    0.63      10.3 +/-    0.63  0.270 / 0.290
G24     122.4          10.6                7.1 +/-   37.62      19.6 +/-   37.62  0.070 / 0.240
G26     260.2          11.1                9.0 +/-   21.89      24.6 +/-   21.89  0.100 / 0.250
G27     321.9          11.6               -5.1 +/-   28.84     -13.7 +/-   28.84  0.040 / 0.030
G29     166.3          38.2               12.8 +/-    0.78      19.2 +/-    0.78  0.040 / 0.030