PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/24-19:58:00
G08     313.2          17.5               10.1 +/-    1.05      23.7 +/-    1.05  0.060 / 0.080
G10     321.4          58.2               11.0 +/-    0.69      12.6 +/-    0.69  0.060 / 0.060
G14     215.0          25.0               12.7 +/-    1.71      24.8 +/-    1.71  0.050 / 0.050
G15     46.0           18.6                8.2 +/-    0.69      18.6 +/-    0.69  0.040 / 0.050
G20     25.6           62.6               10.8 +/-    0.73      12.0 +/-    0.73  0.120 / 0.240
G21     127.5          61.7               12.8 +/-    1.26      14.4 +/-    1.26  0.090 / 0.210
G24     77.4           28.7                9.4 +/-    0.90      16.9 +/-    0.90  0.050 / 0.110
G27     284.8          37.1               10.8 +/-    0.96      16.6 +/-    0.96  0.060 / 0.100
G32     218.3          46.8               12.6 +/-    1.07      16.5 +/-    1.07  0.080 / 0.150