PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/16-19:42:50
G10     287.6          48.5               10.3 +/-    1.54      13.2 +/-    1.54  0.070 / 0.110
G15     48.8           38.1                8.4 +/-    0.58      12.6 +/-    0.58  0.090 / 0.110
G20     335.2          65.2                9.3 +/-    0.89      10.1 +/-    0.89  0.040 / 0.040
G21     71.1           76.5               10.7 +/-    0.35      11.0 +/-    0.35  0.030 / 0.040
G24     101.5          23.4               12.1 +/-    2.18      24.5 +/-    2.18  0.040 / 0.070
G27     308.6          29.5               10.3 +/-    1.71      18.3 +/-    1.71  0.050 / 0.060
G29     168.4          14.2               13.7 +/-    3.40      34.9 +/-    3.40  0.100 / 0.130
G32     207.8          25.6               12.1 +/-    1.06      23.3 +/-    1.06  0.070 / 0.120