PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-01:28:00
G08     272.1          20.6               11.5 +/-    2.87      25.0 +/-    2.87  0.040 / 0.020
G10     46.7           61.3               11.1 +/-    0.86      12.4 +/-    0.86  0.030 / 0.030
G11     314.4          14.4                8.5 +/-    2.36      21.3 +/-    2.36  0.100 / 0.230
G14     255.5          63.5               12.4 +/-    0.55      13.7 +/-    0.55  0.170 / 0.310
G18     84.9           40.8               10.5 +/-    0.58      15.0 +/-    0.58  0.110 / 0.260
G21     152.7          20.6               11.3 +/-    2.34      24.5 +/-    2.34  0.110 / 0.210
G24     43.4           16.1                9.2 +/-    2.11      22.4 +/-    2.11  0.200 / 0.370
G27     235.4          19.8               13.6 +/-    4.51      30.1 +/-    4.51  0.130 / 0.360
G31     180.8          22.3               15.2 +/-    1.25      31.6 +/-    1.25  0.090 / 0.200
G32     301.8          75.1               11.3 +/-    0.65      11.7 +/-    0.65  0.120 / 0.150