PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-18:42:50
G08     269.4          20.1                8.2 +/-    2.88      18.1 +/-    2.88  0.090 / 0.280
G10     53.7           59.5                7.6 +/-    0.65       8.6 +/-    0.65  0.100 / 0.210
G11     313.6          15.4                8.4 +/-    2.07      20.6 +/-    2.07  0.050 / 0.060
G14     257.9          64.1                8.5 +/-    0.64       9.3 +/-    0.64  0.060 / 0.050
G20     91.0           39.4                8.6 +/-    0.61      12.7 +/-    0.61  0.030 / 0.030
G21     153.3          17.1                7.3 +/-    1.76      17.3 +/-    1.76  0.030 / 0.030
G27     237.4          19.4               10.9 +/-    1.45      24.4 +/-    1.45  0.130 / 0.210
G31     181.3          23.4               10.3 +/-    1.67      20.9 +/-    1.67  0.100 / 0.230
G32     318.9          75.8                9.8 +/-    0.84      10.1 +/-    0.84  0.130 / 0.230