PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-18:57:50
G10     296.3          51.1               13.6 +/-    1.55      16.9 +/-    1.55  0.070 / 0.100
G14     210.2          12.4               12.1 +/-   18.13      32.0 +/-   18.13  0.080 / 0.100
G15     46.0           27.4               11.3 +/-    1.68      21.0 +/-    1.68  0.030 / 0.050
G18     1.1            65.9               12.9 +/-    0.59      14.0 +/-    0.59  0.030 / 0.050
G20     70.8           19.4               11.8 +/-    1.27      26.4 +/-    1.27  0.080 / 0.140
G21     102.4          70.6               13.6 +/-    1.31      14.4 +/-    1.31  0.070 / 0.120
G24     99.2           26.5               15.3 +/-    1.35      28.9 +/-    1.35  0.070 / 0.210
G27     299.1          35.0               13.5 +/-    0.67      21.5 +/-    0.67  0.080 / 0.200
G32     211.1          30.1               14.9 +/-    2.20      26.1 +/-    2.20  0.090 / 0.120