PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-17:27:50
G08     272.9          20.8                9.3 +/-    3.35      20.0 +/-    3.35  0.350 / 0.520
G10     52.0           59.0                8.8 +/-    1.29      10.1 +/-    1.29  0.170 / 0.420
G14     249.6          57.9               10.1 +/-    1.22      11.7 +/-    1.22  0.140 / 0.240
G20     91.0           37.8               10.1 +/-    1.25      15.2 +/-    1.25  0.190 / 0.330
G21     153.7          21.0                9.9 +/-    2.15      21.2 +/-    2.15  0.170 / 0.200
G24     43.4           15.3                7.3 +/-    2.29      17.9 +/-    2.29  0.100 / 0.220
G27     236.4          20.6                9.3 +/-    1.64      20.2 +/-    1.64  0.040 / 0.060
G31     179.8          23.4               11.7 +/-    1.36      23.7 +/-    1.36  0.060 / 0.060
G32     320.9          76.7               10.8 +/-    0.78      11.1 +/-    0.78  0.100 / 0.270