PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-03:28:00
G08     275.1          21.5               10.3 +/-    1.56      21.8 +/-    1.56  0.070 / 0.130
G10     40.0           62.1                6.5 +/-    0.38       7.2 +/-    0.38  0.060 / 0.120
G11     315.7          12.8                8.2 +/-    3.30      21.6 +/-    3.30  0.030 / 0.040
G14     250.2          61.4                9.5 +/-    1.49      10.7 +/-    1.49  0.030 / 0.040
G18     81.0           43.5                7.9 +/-    0.68      10.9 +/-    0.68  0.100 / 0.160
G21     152.1          24.5                8.0 +/-    1.42      15.8 +/-    1.42  0.090 / 0.170
G24     45.2           18.1                7.1 +/-    1.03      16.3 +/-    1.03  0.070 / 0.220
G27     237.9          21.9               12.2 +/-    3.17      25.7 +/-    3.17  0.110 / 0.230
G31     180.5          20.3                8.5 +/-    2.17      18.5 +/-    2.17  0.050 / 0.060
G32     293.3          75.3                8.5 +/-    0.26       8.7 +/-    0.26  0.050 / 0.080