PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-21:28:10
G08     309.8          18.4                7.8 +/-    1.49      17.9 +/-    1.49  0.030 / 0.040
G10     340.1          61.2                9.8 +/-    0.82      11.0 +/-    0.82  0.030 / 0.050
G14     218.9          30.3               14.4 +/-    1.66      25.0 +/-    1.66  0.120 / 0.230
G20     43.9           58.6                9.8 +/-    0.74      11.3 +/-    0.74  0.130 / 0.200
G21     136.6          55.8               12.0 +/-    0.58      14.1 +/-    0.58  0.110 / 0.220
G24     72.8           30.4                9.7 +/-    1.20      16.8 +/-    1.20  0.100 / 0.210
G27     272.2          37.4               11.3 +/-    1.88      17.2 +/-    1.88  0.050 / 0.070
G32     224.6          55.1               13.2 +/-    2.27      15.7 +/-    2.27  0.080 / 0.080