PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/28-01:27:50
G05     50.6           12.7                9.9 +/-    0.60      26.1 +/-    0.60  0.040 / 0.060
G10     239.1          15.7               16.0 +/-    1.41      39.1 +/-    1.41  0.050 / 0.060
G13     70.1           35.8               11.9 +/-    0.58      18.6 +/-    0.58  0.080 / 0.150
G15     119.5          54.9               13.9 +/-    0.56      16.6 +/-    0.56  0.100 / 0.170
G16     309.1          14.4                8.3 +/-    2.08      20.8 +/-    2.08  0.080 / 0.300
G20     250.8          36.6               14.9 +/-    1.72      22.9 +/-    1.72  0.100 / 0.370
G21     316.7          49.3               12.0 +/-    0.72      15.3 +/-    0.72  0.100 / 0.190
G26     281.3          20.2               11.1 +/-    1.83      24.3 +/-    1.83  0.080 / 0.170
G29     159.4          68.3               13.6 +/-    1.54      14.6 +/-    1.54  0.020 / 0.040