PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-16:42:50
G10     250.5          28.5               10.6 +/-    2.40      19.2 +/-    2.40  0.040 / 0.060
G13     53.0           28.6                9.2 +/-    0.78      16.7 +/-    0.78  0.040 / 0.050
G15     83.5           56.6               11.9 +/-    0.56      13.9 +/-    0.56  0.140 / 0.660
G16     295.0          16.0                8.0 +/-    2.99      19.3 +/-    2.99  0.150 / 0.790
G20     272.0          52.7               12.4 +/-    0.59      15.2 +/-    0.59  0.040 / 0.060
G21     334.1          59.7               11.1 +/-    0.98      12.6 +/-    0.98  0.030 / 0.050
G26     268.3          15.5               10.0 +/-    2.45      24.6 +/-    2.45  0.080 / 0.120
G29     163.8          51.3               11.7 +/-    1.40      14.5 +/-    1.40  0.070 / 0.110