PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-20:12:30
G10     288.4          48.8               12.5 +/-    1.41      16.1 +/-    1.41  0.060 / 0.110
G15     48.7           37.9               12.2 +/-    0.71      18.4 +/-    0.71  0.070 / 0.100
G20     336.6          65.2               12.5 +/-    0.77      13.6 +/-    0.77  0.040 / 0.040
G21     72.9           76.5               14.2 +/-    0.48      14.6 +/-    0.48  0.040 / 0.040
G24     101.1          23.6               14.8 +/-    1.32      29.8 +/-    1.32  0.070 / 0.180
G27     308.0          30.0               12.0 +/-    2.14      21.0 +/-    2.14  0.080 / 0.190
G29     168.4          13.7               17.5 +/-    2.82      44.9 +/-    2.82  0.040 / 0.060
G32     208.0          26.3               15.2 +/-    1.45      28.8 +/-    1.45  0.050 / 0.070