PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-23:28:00
G05     48.3           20.5                7.5 +/-    4.59      16.2 +/-    4.59  0.280 / 0.580
G10     236.2          11.3               -1.6 +/-   40.53      -4.3 +/-   40.53  0.280 / 0.540
G13     77.6           37.4               13.4 +/-    1.83      20.3 +/-    1.83  0.200 / 0.260
G15     127.6          51.7               11.6 +/-    2.87      14.4 +/-    2.87  0.190 / 0.280
G16     315.8          11.3                8.2 +/-    3.27      22.1 +/-    3.27  0.060 / 0.060
G18     245.0          41.0              -27.2 +/-   60.02     -38.9 +/-   60.02  0.040 / 0.060
G20     29.5           65.3               12.4 +/-    3.46      13.6 +/-    3.46  0.140 / 0.230
G21     312.6          47.1               24.4 +/-   21.21      31.9 +/-   21.21  0.110 / 0.270
G26     289.6          19.9                2.4 +/-   14.35       5.2 +/-   14.35  0.090 / 0.120
G29     154.7          69.9                9.0 +/-    2.64       9.5 +/-    2.64  0.110 / 0.160