PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-23:27:30
G08     307.6          18.9                8.0 +/-    1.47      18.0 +/-    1.47  0.040 / 0.060
G10     347.8          61.9               10.0 +/-    0.63      11.2 +/-    0.63  0.040 / 0.070
G14     221.1          34.7               13.7 +/-    1.76      21.9 +/-    1.76  0.150 / 0.180
G20     49.4           57.3               11.8 +/-    0.64      13.8 +/-    0.64  0.150 / 0.140
G21     139.9          52.1               13.8 +/-    0.88      16.9 +/-    0.88  0.110 / 0.250
G24     68.1           29.7               11.2 +/-    0.91      19.8 +/-    0.91  0.110 / 0.230
G27     267.5          36.5               12.0 +/-    1.27      18.5 +/-    1.27  0.070 / 0.050
G32     228.6          58.1               13.6 +/-    1.90      15.8 +/-    1.90  0.050 / 0.070