PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-00:58:10
G08     291.6          23.7                9.6 +/-    1.64      19.3 +/-    1.64  0.120 / 0.110
G10     8.1            63.0                9.0 +/-    0.84      10.0 +/-    0.84  0.080 / 0.120
G14     229.8          45.6               14.5 +/-    1.68      19.4 +/-    1.68  0.080 / 0.080
G20     345.5          64.0               11.6 +/-    1.17      12.8 +/-    1.17  0.040 / 0.100
G21     146.8          41.5               13.0 +/-    1.61      18.4 +/-    1.61  0.060 / 0.110
G24     54.6           24.3                8.1 +/-    0.90      16.2 +/-    0.90  0.060 / 0.110
G27     254.6          31.7               13.2 +/-    1.74      22.4 +/-    1.74  0.080 / 0.110
G32     248.0          69.8               12.7 +/-    0.87      13.4 +/-    0.87  0.080 / 0.090