PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/31-23:12:30
G08     305.1          19.9                6.1 +/-    0.88      13.4 +/-    0.88  0.040 / 0.070
G10     353.1          62.2                8.1 +/-    0.78       9.1 +/-    0.78  0.040 / 0.060
G14     222.7          36.9               11.5 +/-    1.75      17.7 +/-    1.75  0.090 / 0.150
G20     53.6           56.1                9.3 +/-    0.86      10.9 +/-    0.86  0.080 / 0.160
G21     141.8          49.7               10.6 +/-    0.54      13.4 +/-    0.54  0.050 / 0.050
G24     65.5           29.1                9.0 +/-    1.71      16.0 +/-    1.71  0.040 / 0.040
G27     264.4          35.7               11.3 +/-    1.77      17.7 +/-    1.77  0.110 / 0.240
G32     231.6          60.6               10.5 +/-    1.24      11.9 +/-    1.24  0.120 / 0.300