PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-23:43:00
G10     295.3          50.6               14.2 +/-    1.49      17.7 +/-    1.49  0.070 / 0.150
G14     209.8          12.7               27.2 +/-    6.48      71.5 +/-    6.48  0.070 / 0.150
G15     46.4           29.8               11.9 +/-    0.86      20.9 +/-    0.86  0.040 / 0.040
G18     355.2          66.3               13.0 +/-    0.83      14.0 +/-    0.83  0.040 / 0.050
G20     71.1           17.9               12.1 +/-    1.26      28.1 +/-    1.26  0.090 / 0.120
G21     95.4           73.7               15.1 +/-    1.10      15.6 +/-    1.10  0.060 / 0.120
G24     100.0          26.2               17.4 +/-    0.65      33.1 +/-    0.65  0.080 / 0.460
G27     299.6          34.8               15.1 +/-    0.86      24.0 +/-    0.86  0.100 / 0.470
G32     211.0          29.1               20.3 +/-    1.50      36.2 +/-    1.50  0.070 / 0.190