PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/23-00:28:10
G08     276.8          21.9               10.4 +/-    2.08      21.8 +/-    2.08  0.080 / 0.180
G10     37.1           62.3                9.5 +/-    0.69      10.6 +/-    0.69  0.070 / 0.210
G11     316.8          11.0               -3.5 +/-   20.21      -9.4 +/-   20.21  0.060 / 0.140
G14     247.7          60.1               12.4 +/-    1.11      14.0 +/-    1.11  0.060 / 0.160
G18     80.3           43.3               10.0 +/-    0.88      13.8 +/-    0.88  0.020 / 0.040
G21     151.4          24.6               12.2 +/-    1.41      24.0 +/-    1.41  0.030 / 0.040
G24     46.0           19.0                8.6 +/-    1.10      19.4 +/-    1.10  0.080 / 0.220
G27     239.1          22.8               11.0 +/-    1.53      22.7 +/-    1.53  0.100 / 0.280
G31     182.1          17.4               16.7 +/-    1.78      39.1 +/-    1.78  0.040 / 0.070
G32     281.9          73.8               10.8 +/-    0.57      11.2 +/-    0.57  0.040 / 0.060