PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-20:58:10
G08     274.6          20.9               15.1 +/-    2.10      32.4 +/-    2.10  0.290 / 0.160
G10     44.0           61.6               12.4 +/-    0.32      13.9 +/-    0.32  0.360 / 0.350
G11     316.0          12.1                8.2 +/-   11.57      21.8 +/-   11.57  0.170 / 0.280
G14     252.2          61.6               14.4 +/-    0.84      16.1 +/-    0.84  0.120 / 0.250
G18     84.5           40.3               12.1 +/-    1.08      17.6 +/-    1.08  0.190 / 0.190
G21     151.7          19.4               14.3 +/-    1.99      31.8 +/-    1.99  0.240 / 0.150
G24     44.1           16.9               10.9 +/-    3.14      26.0 +/-    3.14  0.140 / 0.120
G27     236.7          20.8               15.6 +/-    2.51      33.6 +/-    2.51  0.090 / 0.120
G31     182.1          19.7               16.4 +/-    1.64      36.4 +/-    1.64  0.040 / 0.040
G32     298.0          75.3               13.4 +/-    0.31      13.8 +/-    0.31  0.050 / 0.050