PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-18:12:40
G08     273.3          20.8                9.3 +/-    1.60      20.1 +/-    1.60  0.070 / 0.120
G10     51.9           59.1                8.2 +/-    0.45       9.4 +/-    0.45  0.070 / 0.150
G14     249.3          57.5               11.3 +/-    0.82      13.1 +/-    0.82  0.040 / 0.050
G20     90.8           38.0                8.1 +/-    0.79      12.1 +/-    0.79  0.040 / 0.060
G21     153.8          21.3                9.8 +/-    1.01      20.8 +/-    1.01  0.040 / 0.030
G24     43.4           15.4                8.0 +/-    0.83      19.6 +/-    0.83  0.030 / 0.030
G27     236.4          20.6               11.2 +/-    2.72      24.3 +/-    2.72  0.140 / 0.210
G31     179.6          23.6               10.2 +/-    1.78      20.5 +/-    1.78  0.160 / 0.290
G32     320.3          76.7                9.4 +/-    0.49       9.6 +/-    0.49  0.110 / 0.180