PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-21:27:40
G08     276.0          20.6                9.1 +/-    1.75      19.8 +/-    1.75  0.130 / 0.230
G10     50.3           59.4                9.8 +/-    0.60      11.1 +/-    0.60  0.130 / 0.260
G11     317.2          10.7               -2.6 +/-   22.12      -7.2 +/-   22.12  0.040 / 0.060
G14     249.3          58.5               12.0 +/-    0.95      13.9 +/-    0.95  0.040 / 0.060
G20     89.4           39.6               10.7 +/-    0.45      15.7 +/-    0.45  0.090 / 0.160
G21     153.9          22.9               12.5 +/-    2.34      25.7 +/-    2.34  0.070 / 0.120
G24     43.8           16.0                7.5 +/-    1.95      18.3 +/-    1.95  0.150 / 0.280
G27     237.2          21.1               13.0 +/-    1.43      27.8 +/-    1.43  0.120 / 0.300
G31     178.9          23.9               12.5 +/-    1.51      25.0 +/-    1.51  0.120 / 0.260
G32     313.8          76.7                9.8 +/-    0.93      10.0 +/-    0.93  0.130 / 0.310