PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-17:57:50
G08     305.4          20.8                7.2 +/-    1.35      15.5 +/-    1.35  0.060 / 0.170
G10     346.1          61.7                6.7 +/-    0.65       7.4 +/-    0.65  0.060 / 0.180
G14     220.5          30.7                8.9 +/-    1.90      15.3 +/-    1.90  0.070 / 0.090
G20     50.7           56.4                8.1 +/-    0.32       9.6 +/-    0.32  0.050 / 0.080
G21     138.9          52.2               11.0 +/-    0.52      13.5 +/-    0.52  0.060 / 0.070
G24     69.8           30.1                7.9 +/-    0.68      13.8 +/-    0.68  0.050 / 0.070
G27     268.4          36.9               10.2 +/-    0.79      15.6 +/-    0.79  0.040 / 0.040
G32     227.3          58.7               10.0 +/-    1.54      11.5 +/-    1.54  0.040 / 0.040