PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-22:58:10
G08     288.6          22.0               10.2 +/-    1.58      21.4 +/-    1.58  0.060 / 0.130
G10     28.0           62.1                8.5 +/-    1.54       9.5 +/-    1.54  0.060 / 0.130
G14     236.1          50.8               10.9 +/-    2.10      13.6 +/-    2.10  0.080 / 0.090
G18     317.8          16.8                8.4 +/-    2.70      19.9 +/-    2.70  0.100 / 0.100
G20     76.5           47.0                9.7 +/-    1.76      12.7 +/-    1.76  0.280 / 0.380
G21     150.5          33.7               11.6 +/-    0.83      18.9 +/-    0.83  0.310 / 0.320
G24     50.6           22.5                8.4 +/-    2.65      17.4 +/-    2.65  0.110 / 0.200
G27     246.8          27.9               11.5 +/-    1.76      21.0 +/-    1.76  0.110 / 0.190
G31     181.2          14.0               17.6 +/-    2.17      44.7 +/-    2.17  0.030 / 0.030
G32     265.5          73.7                9.1 +/-    0.35       9.4 +/-    0.35  0.040 / 0.030