PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-20:42:30
G08     293.7          23.1                8.4 +/-    1.64      17.1 +/-    1.64  0.080 / 0.120
G10     3.1            63.0                6.6 +/-    0.48       7.3 +/-    0.48  0.080 / 0.110
G14     229.3          46.3               13.0 +/-    1.03      17.2 +/-    1.03  0.060 / 0.110
G18     63.1           51.0                8.3 +/-    0.66      10.3 +/-    0.66  0.050 / 0.110
G21     145.0          37.8               10.5 +/-    0.98      15.9 +/-    0.98  0.040 / 0.110
G24     58.3           27.0                9.3 +/-    0.76      17.3 +/-    0.76  0.050 / 0.100
G27     253.9          32.0               10.2 +/-    1.73      17.1 +/-    1.73  0.030 / 0.030
G32     242.7          64.6                9.3 +/-    0.51      10.1 +/-    0.51  0.040 / 0.030