PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/16-20:42:40
G08     308.7          19.9               11.6 +/-    1.29      25.7 +/-    1.29  0.080 / 0.080
G10     331.7          60.0                7.6 +/-    0.68       8.7 +/-    0.68  0.080 / 0.090
G14     217.7          30.1               14.4 +/-    3.27      25.2 +/-    3.27  0.040 / 0.040
G15     46.8           14.3                7.2 +/-    1.62      18.1 +/-    1.62  0.040 / 0.060
G20     36.6           60.6               10.5 +/-    0.66      11.9 +/-    0.66  0.080 / 0.170
G21     133.8          56.8               10.8 +/-    0.88      12.7 +/-    0.88  0.070 / 0.180
G24     71.2           28.6                8.4 +/-    1.10      15.2 +/-    1.10  0.110 / 0.260
G27     277.4          37.1               11.6 +/-    1.22      17.7 +/-    1.22  0.120 / 0.270
G32     222.6          52.4               13.7 +/-    2.24      16.8 +/-    2.24  0.090 / 0.170