PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-18:27:50
G08     267.0          19.1               10.1 +/-    3.72      22.6 +/-    3.72  0.170 / 0.410
G10     58.4           58.6               10.5 +/-    1.21      12.0 +/-    1.21  0.200 / 0.400
G11     312.0          17.0                9.6 +/-    1.95      22.8 +/-    1.95  0.060 / 0.050
G14     263.1          65.7               13.0 +/-    1.25      14.1 +/-    1.25  0.050 / 0.050
G20     93.6           37.8               11.6 +/-    1.18      17.5 +/-    1.18  0.100 / 0.180
G21     153.7          14.5               12.3 +/-    2.35      30.9 +/-    2.35  0.150 / 0.210
G27     235.5          17.8               10.8 +/-    3.00      25.2 +/-    3.00  0.080 / 0.110
G31     181.0          25.6               11.5 +/-    1.72      22.1 +/-    1.72  0.090 / 0.120
G32     328.6          75.1               11.7 +/-    0.46      12.1 +/-    0.46  0.190 / 0.310