PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-03:42:40
G08     275.7          21.7               10.0 +/-    2.37      21.2 +/-    2.37  0.020 / 0.020
G10     38.6           62.2                6.7 +/-    1.02       7.5 +/-    1.02  0.020 / 0.020
G11     315.9          12.4                2.0 +/-   13.68       5.2 +/-   13.68  0.100 / 0.160
G14     249.2          61.0                9.8 +/-    0.69      11.0 +/-    0.69  0.110 / 0.190
G18     80.2           43.9              -11.3 +/-   48.20     -15.4 +/-   48.20  0.200 / 0.130
G21     151.9          25.2                8.0 +/-    2.51      15.6 +/-    2.51  0.250 / 0.260
G24     45.5           18.5                7.3 +/-    2.90      16.6 +/-    2.90  0.030 / 0.020
G27     238.4          22.3               10.7 +/-    1.43      22.3 +/-    1.43  0.030 / 0.020
G31     180.5          19.8               12.1 +/-    1.49      26.8 +/-    1.49  0.050 / 0.050
G32     291.2          75.3                8.1 +/-    0.40       8.4 +/-    0.40  0.060 / 0.040