PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-03:12:40
G08     317.1          14.2                6.2 +/-    2.45      15.7 +/-    2.45  0.340 / 0.540
G10     315.0          56.7                8.0 +/-    1.62       9.4 +/-    1.62  0.210 / 0.430
G14     214.2          19.5               10.8 +/-    2.14      24.1 +/-    2.14  0.050 / 0.060
G15     45.7           20.2                7.7 +/-    2.40      16.9 +/-    2.40  0.060 / 0.070
G20     352.8          64.9                9.1 +/-    0.78       9.9 +/-    0.78  0.040 / 0.030
G21     121.9          66.6               10.6 +/-    0.47      11.5 +/-    0.47  0.040 / 0.040
G24     83.8           29.3                8.2 +/-    1.11      14.5 +/-    1.11  0.190 / 0.280
G27     287.2          37.4               10.9 +/-    2.06      16.6 +/-    2.06  0.140 / 0.320
G32     216.1          44.9               11.0 +/-    0.94      14.9 +/-    0.94  0.070 / 0.110