PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-03:28:10
G05     51.1           11.3                7.8 +/-    2.67      21.2 +/-    2.67  0.080 / 0.330
G10     239.8          16.4               18.1 +/-    1.23      43.6 +/-    1.23  0.090 / 0.290
G13     68.9           35.7               10.6 +/-    0.90      16.7 +/-    0.90  0.070 / 0.050
G15     115.6          55.4               13.1 +/-    0.49      15.5 +/-    0.49  0.050 / 0.050
G16     308.4          14.5                9.6 +/-    2.75      24.1 +/-    2.75  0.170 / 0.140
G20     260.1          53.6               15.1 +/-    1.85      18.3 +/-    1.85  0.450 / 0.210
G21     317.9          50.2               13.2 +/-    0.58      16.7 +/-    0.58  0.080 / 0.110
G26     280.2          20.0               13.5 +/-    1.65      29.6 +/-    1.65  0.050 / 0.100
G29     159.9          66.8               12.4 +/-    0.45      13.4 +/-    0.45  0.030 / 0.030