PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/04-17:43:00
G08     273.6          21.0                8.8 +/-    3.03      18.9 +/-    3.03  0.320 / 0.150
G10     50.7           59.3                7.2 +/-    1.15       8.2 +/-    1.15  0.280 / 0.350
G14     248.6          57.3                8.9 +/-    0.99      10.4 +/-    0.99  0.040 / 0.050
G20     90.3           38.3                7.6 +/-    1.49      11.4 +/-    1.49  0.040 / 0.060
G21     153.6          21.7                9.9 +/-    1.81      21.0 +/-    1.81  0.110 / 0.300
G24     43.7           15.8                6.4 +/-    2.43      15.7 +/-    2.43  0.100 / 0.260
G27     236.9          21.1                8.3 +/-    2.22      17.9 +/-    2.22  0.100 / 0.250
G31     179.9          22.9                9.7 +/-    2.20      20.0 +/-    2.20  0.120 / 0.280
G32     317.8          76.9                8.6 +/-    0.98       8.8 +/-    0.98  0.130 / 0.170