PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-20:28:00
G08     279.6          22.0               19.1 +/-    1.44      40.0 +/-    1.44  0.070 / 0.190
G10     33.7           62.5                8.8 +/-    0.66       9.8 +/-    0.66  0.080 / 0.150
G14     244.6          57.9               11.4 +/-    0.69      13.2 +/-    0.69  0.070 / 0.150
G18     79.5           43.1                9.2 +/-    1.10      12.7 +/-    1.10  0.070 / 0.170
G21     150.3          23.8               11.0 +/-    2.33      22.2 +/-    2.33  0.180 / 0.310
G24     47.1           19.9                9.4 +/-    1.40      20.8 +/-    1.40  0.230 / 0.240
G27     240.7          24.0                8.8 +/-    2.55      17.5 +/-    2.55  0.070 / 0.280
G31     182.9          15.3               12.8 +/-    0.92      31.5 +/-    0.92  0.100 / 0.310
G32     279.2          74.1               10.0 +/-    0.58      10.4 +/-    0.58  0.070 / 0.070