PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/20-23:58:00
G01     312.3          30.0               11.7 +/-    2.58      20.4 +/-    2.58  0.070 / 0.120
G10     98.0           43.4                9.4 +/-    0.49      13.0 +/-    0.49  0.130 / 0.160
G11     291.8          25.9                9.8 +/-    1.24      18.8 +/-    1.24  0.090 / 0.130
G14     329.1          70.1                9.3 +/-    0.76       9.8 +/-    0.76  0.090 / 0.120
G18     288.7          48.4               10.5 +/-    0.87      13.5 +/-    0.87  0.040 / 0.060
G20     116.0          18.5                9.5 +/-    1.18      21.7 +/-    1.18  0.050 / 0.050
G22     306.8          18.3               10.3 +/-    1.43      23.6 +/-    1.43  0.160 / 0.300
G25     90.7           13.6                7.9 +/-    1.83      20.3 +/-    1.83  0.170 / 0.230
G31     169.3          57.4               10.7 +/-    1.03      12.5 +/-    1.03  0.050 / 0.070
G32     28.0           57.8                8.4 +/-    0.86       9.7 +/-    0.86  0.040 / 0.060