PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/31-20:12:30
G08     294.9          23.6                8.7 +/-    2.21      17.5 +/-    2.21  0.070 / 0.120
G10     1.3            62.8                7.5 +/-    0.62       8.3 +/-    0.62  0.080 / 0.120
G14     226.9          43.6               10.9 +/-    1.42      14.9 +/-    1.42  0.050 / 0.070
G20     60.7           53.9                7.6 +/-    0.68       9.2 +/-    0.68  0.040 / 0.080
G21     144.6          42.3               10.4 +/-    0.94      14.6 +/-    0.94  0.090 / 0.110
G24     56.1           24.5                8.2 +/-    1.40      16.1 +/-    1.40  0.080 / 0.120
G27     260.0          33.2                7.8 +/-    1.74      12.9 +/-    1.74  0.100 / 0.160
G32     239.9          65.4               11.1 +/-    1.34      12.1 +/-    1.34  0.090 / 0.160