PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-03:27:40
G08     275.1          21.5               10.1 +/-    0.94      21.4 +/-    0.94  0.020 / 0.020
G10     40.0           62.1                6.3 +/-    0.68       7.1 +/-    0.68  0.020 / 0.020
G11     315.7          12.8                5.3 +/-   11.54      14.0 +/-   11.54  0.030 / 0.020
G14     250.2          61.4                9.2 +/-    0.80      10.4 +/-    0.80  0.040 / 0.020
G18     81.0           43.5               -0.6 +/-   34.24      -0.8 +/-   34.24  0.100 / 0.190
G21     152.1          24.5                7.9 +/-    2.36      15.7 +/-    2.36  0.090 / 0.170
G24     45.2           18.1                6.9 +/-    2.66      15.9 +/-    2.66  0.140 / 0.230
G27     237.9          21.9                9.8 +/-    2.06      20.6 +/-    2.06  0.140 / 0.330
G31     180.5          20.3                9.3 +/-    2.50      20.3 +/-    2.50  0.040 / 0.050
G32     293.3          75.3                7.3 +/-    0.55       7.5 +/-    0.55  0.050 / 0.050