PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-23:27:40
G08     316.8          14.9                7.5 +/-    2.66      18.8 +/-    2.66  0.050 / 0.070
G10     312.1          56.1                9.4 +/-    1.75      11.1 +/-    1.75  0.050 / 0.060
G14     213.1          19.7               16.5 +/-    2.29      36.6 +/-    2.29  0.040 / 0.040
G15     45.8           23.7                8.3 +/-    2.69      16.7 +/-    2.69  0.030 / 0.040
G20     297.8          45.4               23.4 +/-    0.70      31.3 +/-    0.70  0.090 / 0.110
G21     118.3          68.6               11.3 +/-    0.45      12.0 +/-    0.45  0.090 / 0.090
G24     85.0           28.7               11.8 +/-    1.63      21.3 +/-    1.63  0.180 / 0.520
G27     289.9          37.0                9.8 +/-    1.79      15.0 +/-    1.79  0.260 / 0.420
G32     214.8          43.1               13.8 +/-    0.94      19.2 +/-    0.94  0.180 / 0.340