PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-22:13:10
G08     306.9          19.5               11.5 +/-    1.59      25.5 +/-    1.59  0.060 / 0.080
G10     347.7          61.8               10.6 +/-    0.74      11.9 +/-    0.74  0.100 / 0.080
G14     221.0          34.0               14.1 +/-    1.23      22.8 +/-    1.23  0.060 / 0.070
G20     49.9           57.1               12.3 +/-    0.46      14.4 +/-    0.46  0.060 / 0.070
G21     139.8          52.2               13.4 +/-    0.95      16.4 +/-    0.95  0.080 / 0.170
G24     68.5           29.8               11.3 +/-    0.79      19.8 +/-    0.79  0.090 / 0.160
G27     267.5          36.5               13.8 +/-    1.68      21.3 +/-    1.68  0.170 / 0.240
G32     228.5          58.5               15.0 +/-    0.95      17.3 +/-    0.95  0.110 / 0.240