PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/07-22:58:00
G08     264.0          17.6               19.5 +/-    2.68      45.6 +/-    2.68  0.100 / 0.190
G10     64.8           57.3               15.4 +/-    0.58      18.0 +/-    0.58  0.140 / 0.200
G11     309.7          19.0               12.8 +/-    0.99      28.9 +/-    0.99  0.130 / 0.510
G14     270.2          67.0               17.2 +/-    0.43      18.5 +/-    0.43  0.110 / 0.420
G18     310.9          34.5               13.7 +/-    1.33      21.9 +/-    1.33  0.150 / 0.270
G20     97.0           35.5               15.9 +/-    0.82      25.1 +/-    0.82  0.130 / 0.290
G21     154.9          13.3               22.0 +/-    1.85      57.1 +/-    1.85  0.040 / 0.070
G27     231.7          15.1               22.8 +/-    1.28      56.7 +/-    1.28  0.040 / 0.050
G31     178.1          32.0               23.7 +/-    3.46      39.9 +/-    3.46  0.130 / 0.260
G32     347.4          73.1               16.0 +/-    0.60      16.7 +/-    0.60  0.130 / 0.290