PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-17:28:00
G08     309.1          19.4               18.2 +/-    1.86      40.6 +/-    1.86  0.090 / 0.070
G10     337.3          60.8                7.8 +/-    0.61       8.8 +/-    0.61  0.070 / 0.060
G14     218.2          26.5               11.8 +/-    0.89      22.2 +/-    0.89  0.100 / 0.220
G20     43.7           58.3                8.1 +/-    0.95       9.3 +/-    0.95  0.110 / 0.170
G21     135.1          56.2               11.1 +/-    0.70      13.0 +/-    0.70  0.040 / 0.030
G24     74.8           30.6                9.0 +/-    0.46      15.6 +/-    0.46  0.030 / 0.030
G27     274.0          37.8               10.0 +/-    0.94      15.1 +/-    0.94  0.030 / 0.070
G32     222.9          54.6                8.8 +/-    0.81      10.5 +/-    0.81  0.030 / 0.060