PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/06-19:28:00
G08     275.6          20.9                9.4 +/-    1.44      20.3 +/-    1.44  0.220 / 0.170
G10     43.2           61.6                7.2 +/-    0.33       8.1 +/-    0.33  0.260 / 0.310
G11     316.6          11.3               -0.9 +/-   15.36      -2.4 +/-   15.36  0.100 / 0.130
G14     251.0          60.9                9.2 +/-    0.44      10.4 +/-    0.44  0.100 / 0.140
G18     84.3           40.2                7.6 +/-    1.57      11.0 +/-    1.57  0.290 / 0.200
G21     151.3          18.7               10.3 +/-    1.73      23.4 +/-    1.73  0.330 / 0.160
G24     44.3           17.1                7.7 +/-    2.60      18.1 +/-    2.60  0.040 / 0.040
G27     237.2          21.1                9.2 +/-    2.78      19.6 +/-    2.78  0.040 / 0.040
G31     181.5          20.1               13.2 +/-    1.50      28.9 +/-    1.50  0.110 / 0.250
G32     298.9          75.6                9.0 +/-    0.41       9.3 +/-    0.41  0.100 / 0.220