PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-21:12:50
G08     270.0          19.4                8.4 +/-    3.00      18.9 +/-    3.00  0.130 / 0.330
G10     53.3           60.2                7.6 +/-    0.96       8.6 +/-    0.96  0.130 / 0.260
G11     313.6          15.2                8.8 +/-    1.96      21.8 +/-    1.96  0.070 / 0.170
G14     260.7          64.8                7.9 +/-    0.78       8.6 +/-    0.78  0.060 / 0.130
G18     89.1           37.6                9.0 +/-    0.77      13.7 +/-    0.77  0.060 / 0.160
G21     152.7          15.1               11.2 +/-    3.25      27.9 +/-    3.25  0.070 / 0.190
G24     41.8           13.8                6.4 +/-    1.19      16.3 +/-    1.19  0.170 / 0.400
G27     233.2          17.8               11.4 +/-    0.94      26.6 +/-    0.94  0.170 / 0.450
G31     181.3          24.1               12.0 +/-    2.26      24.0 +/-    2.26  0.060 / 0.060
G32     317.0          75.2                8.5 +/-    0.70       8.8 +/-    0.70  0.060 / 0.060