PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-03:27:50
G05     50.9           11.7                7.5 +/-    0.98      20.2 +/-    0.98  0.110 / 0.330
G10     239.5          16.1               18.3 +/-    1.46      44.3 +/-    1.46  0.080 / 0.340
G13     69.5           35.8               11.1 +/-    0.77      17.3 +/-    0.77  0.050 / 0.060
G15     116.4          55.1               12.4 +/-    0.67      14.8 +/-    0.67  0.070 / 0.060
G16     308.8          14.4               10.6 +/-    2.67      26.8 +/-    2.67  0.110 / 0.280
G20     259.4          53.3               15.4 +/-    0.90      18.7 +/-    0.90  0.140 / 0.340
G21     317.5          49.9               12.9 +/-    1.23      16.3 +/-    1.23  0.060 / 0.130
G26     280.7          20.1               14.5 +/-    1.30      31.9 +/-    1.30  0.050 / 0.120
G29     159.7          67.4               12.1 +/-    1.14      13.0 +/-    1.14  0.030 / 0.040