PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-03:42:50
G08     271.9          20.6                8.9 +/-    2.81      19.2 +/-    2.81  0.030 / 0.020
G10     46.5           61.3                5.3 +/-    0.79       6.0 +/-    0.79  0.020 / 0.020
G11     314.0          15.0                5.6 +/-    1.84      13.8 +/-    1.84  0.330 / 0.200
G14     255.7          63.7                7.3 +/-    0.59       8.0 +/-    0.59  0.320 / 0.160
G18     84.3           41.7                5.5 +/-    0.64       7.9 +/-    0.64  0.030 / 0.020
G21     152.9          21.5                5.0 +/-    2.74      10.6 +/-    2.74  0.040 / 0.020
G24     43.4           16.1                5.1 +/-    1.96      12.5 +/-    1.96  0.120 / 0.190
G27     235.4          19.8                9.3 +/-    3.02      20.7 +/-    3.02  0.080 / 0.230
G31     179.8          23.4                6.4 +/-    0.61      12.9 +/-    0.61  0.050 / 0.040
G32     307.0          75.6                6.2 +/-    0.46       6.4 +/-    0.46  0.050 / 0.040