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                9.1 +/-    2.14      20.8 +/-    2.14  0.020 / 0.020
G10     58.7           59.4                5.2 +/-    1.55       5.9 +/-    1.55  0.030 / 0.060
G11     310.4          18.9                6.7 +/-    2.23      15.1 +/-    2.23  0.080 / 0.120
G14     268.8          67.5                5.9 +/-    1.20       6.3 +/-    1.20  0.180 / 0.150
G18     90.5           37.8                4.8 +/-    1.12       7.2 +/-    1.12  0.030 / 0.030
G21     154.1          15.6                4.0 +/-    3.23       9.8 +/-    3.23  0.030 / 0.030
G24     40.5           11.8                4.3 +/-    2.04      11.6 +/-    2.04  0.130 / 0.260
G27     230.8          15.8                7.9 +/-    2.38      19.2 +/-    2.38  0.140 / 0.320
G31     178.7          29.4                6.5 +/-    1.00      11.5 +/-    1.00  0.150 / 0.180
G32     331.4          74.4                5.5 +/-    0.69       5.7 +/-    0.69  0.150 / 0.250