PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-21:28:00
G08     321.1          10.5              -12.5 +/-   34.92     -34.5 +/-   34.92  0.030 / 0.040
G10     300.7          52.5               12.5 +/-    0.54      15.3 +/-    0.54  0.030 / 0.040
G14     210.9          15.8               14.5 +/-    1.62      35.4 +/-    1.62  0.070 / 0.130
G15     45.7           25.5               12.0 +/-    0.89      23.1 +/-    0.89  0.060 / 0.140
G18     5.9            65.4               12.3 +/-    0.75      13.4 +/-    0.75  0.060 / 0.070
G20     73.4           16.4               12.1 +/-    1.89      29.2 +/-    1.89  0.050 / 0.080
G21     107.7          70.0               14.2 +/-    0.35      15.0 +/-    0.35  0.030 / 0.040
G24     95.9           27.6               14.8 +/-    1.10      27.2 +/-    1.10  0.030 / 0.050
G27     295.5          36.2               13.2 +/-    1.57      20.5 +/-    1.57  0.060 / 0.120
G32     212.7          31.8               13.5 +/-    1.24      22.8 +/-    1.24  0.060 / 0.080