PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/06-17:58:10
G08     288.3          23.9               10.0 +/-    1.41      20.0 +/-    1.41  0.030 / 0.030
G10     15.1           62.9                8.0 +/-    0.57       8.8 +/-    0.57  0.030 / 0.030
G14     232.4          49.5               11.9 +/-    1.27      15.1 +/-    1.27  0.110 / 0.160
G20     69.5           50.5                9.0 +/-    0.30      11.3 +/-    0.30  0.110 / 0.190
G21     147.5          34.8               10.5 +/-    0.82      16.8 +/-    0.82  0.050 / 0.100
G24     50.2           20.9                6.4 +/-    0.61      13.7 +/-    0.61  0.050 / 0.100
G27     254.0          30.4               10.2 +/-    1.90      17.6 +/-    1.90  0.080 / 0.120
G32     251.3          69.4                9.5 +/-    1.06      10.1 +/-    1.06  0.090 / 0.120