PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-21:43:10
G10     272.7          41.6               14.1 +/-    1.01      19.9 +/-    1.01  0.050 / 0.040
G13     39.7           14.1                8.7 +/-    1.41      22.0 +/-    1.41  0.050 / 0.040
G15     57.8           50.1               12.7 +/-    0.46      16.0 +/-    0.46  0.120 / 0.180
G20     307.8          62.4               11.7 +/-    1.09      13.1 +/-    1.09  0.100 / 0.150
G21     17.0           74.7               13.7 +/-    0.71      14.1 +/-    0.71  0.120 / 0.410
G24     113.7          17.4               16.1 +/-    2.21      37.8 +/-    2.21  0.090 / 0.350
G27     316.6          21.9                9.6 +/-    2.61      20.0 +/-    2.61  0.110 / 0.320
G29     168.5          26.5               18.6 +/-    0.89      35.2 +/-    0.89  0.140 / 0.300
G32     204.8          14.9               22.9 +/-    1.45      57.2 +/-    1.45  0.030 / 0.040