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               12.1 +/-    3.45      15.5 +/-    3.45  0.070 / 0.110
G15     48.7           37.9               12.5 +/-    1.22      18.8 +/-    1.22  0.080 / 0.100
G20     336.6          65.2               13.4 +/-    0.58      14.5 +/-    0.58  0.040 / 0.030
G21     72.9           76.5               14.7 +/-    0.83      15.0 +/-    0.83  0.040 / 0.030
G24     101.1          23.6               14.2 +/-    0.96      28.7 +/-    0.96  0.060 / 0.060
G27     308.0          30.0               12.8 +/-    1.61      22.4 +/-    1.61  0.060 / 0.040
G29     168.4          13.7               16.3 +/-    0.96      41.9 +/-    0.96  0.080 / 0.160
G32     208.0          26.3               15.8 +/-    2.44      30.0 +/-    2.44  0.110 / 0.140