PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/12-03:43:10
G08     266.0          18.4                7.3 +/-    1.77      16.7 +/-    1.77  0.100 / 0.270
G10     58.7           59.4                3.7 +/-    1.06       4.2 +/-    1.06  0.160 / 0.310
G11     310.4          18.9                8.7 +/-    1.50      19.7 +/-    1.50  0.100 / 0.160
G14     268.8          67.5                4.8 +/-    0.82       5.1 +/-    0.82  0.190 / 0.160
G18     90.5           37.8                5.0 +/-    1.50       7.6 +/-    1.50  0.030 / 0.040
G21     154.1          15.6                3.0 +/-    1.16       7.4 +/-    1.16  0.030 / 0.040
G24     40.5           11.8                4.2 +/-    1.46      11.3 +/-    1.46  0.050 / 0.060
G27     230.8          15.8                8.5 +/-    2.83      20.8 +/-    2.83  0.040 / 0.060
G31     178.7          29.4                7.7 +/-    2.11      13.6 +/-    2.11  0.090 / 0.160
G32     331.4          74.4                6.4 +/-    1.15       6.6 +/-    1.15  0.110 / 0.160