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                7.1 +/-    1.67      15.3 +/-    1.67  0.080 / 0.180
G10     52.0           59.0                7.3 +/-    0.53       8.3 +/-    0.53  0.090 / 0.160
G14     249.6          57.9                8.9 +/-    1.11      10.3 +/-    1.11  0.140 / 0.320
G20     91.0           37.8                8.8 +/-    1.00      13.3 +/-    1.00  0.180 / 0.310
G21     153.7          21.0               10.1 +/-    1.27      21.6 +/-    1.27  0.050 / 0.060
G24     43.4           15.3                6.9 +/-    1.30      17.1 +/-    1.30  0.050 / 0.060
G27     236.4          20.6                9.9 +/-    2.18      21.5 +/-    2.18  0.100 / 0.150
G31     179.8          23.4               10.2 +/-    1.93      20.8 +/-    1.93  0.100 / 0.210
G32     320.9          76.7                8.6 +/-    0.81       8.8 +/-    0.81  0.130 / 0.260