PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/30-20:27:40
G08     314.9          16.0               11.2 +/-    3.35      27.3 +/-    3.35  0.050 / 0.080
G10     316.6          56.9               10.6 +/-    0.74      12.4 +/-    0.74  0.050 / 0.080
G14     214.5          24.6               16.1 +/-    1.90      31.7 +/-    1.90  0.080 / 0.120
G15     45.7           16.5                9.7 +/-    0.62      23.3 +/-    0.62  0.080 / 0.120
G18     26.8           62.0               10.9 +/-    0.65      12.2 +/-    0.65  0.040 / 0.050
G20     80.3           10.8               10.2 +/-    1.66      28.1 +/-    1.66  0.040 / 0.060
G21     125.6          60.9               12.5 +/-    0.59      14.1 +/-    0.59  0.110 / 0.430
G24     84.6           30.2               11.6 +/-    0.59      20.3 +/-    0.59  0.090 / 0.460
G27     283.2          38.1               11.0 +/-    1.19      16.5 +/-    1.19  0.040 / 0.060
G32     217.9          42.2               15.4 +/-    0.68      21.7 +/-    0.68  0.030 / 0.060