PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/24-22:13:00
G08     279.7          22.3               17.1 +/-    1.56      35.6 +/-    1.56  0.070 / 0.160
G10     32.2           62.7               14.5 +/-    0.81      16.1 +/-    0.81  0.060 / 0.130
G14     244.0          57.8               17.3 +/-    1.33      20.1 +/-    1.33  0.070 / 0.130
G18     78.3           44.0               15.1 +/-    0.71      20.7 +/-    0.71  0.070 / 0.220
G21     150.4          25.6               21.1 +/-    1.26      40.7 +/-    1.26  0.110 / 0.190
G24     47.5           20.4               13.7 +/-    1.01      29.9 +/-    1.01  0.060 / 0.210
G27     241.2          24.3               17.5 +/-    2.60      34.8 +/-    2.60  0.100 / 0.320
G31     183.8          13.8               20.7 +/-    3.42      53.0 +/-    3.42  0.180 / 0.330
G32     274.4          73.1               16.7 +/-    0.73      17.4 +/-    0.73  0.030 / 0.030