PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/23-21:58:10
G08     261.1          16.3               10.9 +/-    2.35      26.3 +/-    2.35  0.170 / 0.280
G10     70.0           55.9                6.7 +/-    0.79       8.0 +/-    0.79  0.320 / 0.450
G11     307.4          20.7                6.1 +/-    1.70      13.2 +/-    1.70  0.160 / 0.540
G14     278.2          68.7               10.1 +/-    0.77      10.7 +/-    0.77  0.150 / 0.510
G18     308.8          37.3                9.0 +/-    1.98      13.8 +/-    1.98  0.040 / 0.060
G20     99.8           33.4               11.4 +/-    1.68      18.7 +/-    1.68  0.040 / 0.060
G21     155.2          10.0               13.5 +/-    1.29      37.7 +/-    1.29  0.210 / 0.370
G27     229.8          13.2               13.4 +/-    5.35      34.7 +/-    5.35  0.160 / 0.390
G31     178.0          34.5               13.4 +/-    1.57      21.5 +/-    1.57  0.080 / 0.290
G32     354.7          71.5                8.6 +/-    0.64       9.1 +/-    0.64  0.080 / 0.260