PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-21:27:30
G08     305.1          20.3               11.4 +/-    2.61      25.0 +/-    2.61  0.060 / 0.090
G10     350.8          62.1                8.7 +/-    0.70       9.7 +/-    0.70  0.080 / 0.080
G14     221.9          34.9               12.6 +/-    0.80      20.0 +/-    0.80  0.030 / 0.080
G20     52.7           56.2               10.1 +/-    0.42      11.9 +/-    0.42  0.050 / 0.060
G21     140.9          50.7               12.0 +/-    0.87      15.0 +/-    0.87  0.070 / 0.170
G24     67.1           29.6                9.4 +/-    0.51      16.6 +/-    0.51  0.080 / 0.140
G27     265.7          36.1               12.8 +/-    1.35      19.9 +/-    1.35  0.160 / 0.280
G32     230.2          60.1               12.5 +/-    1.14      14.2 +/-    1.14  0.150 / 0.310