PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-01:13:00
G10     297.9          51.5                8.8 +/-    2.23      10.9 +/-    2.23  0.120 / 0.160
G14     210.3          14.5               11.6 +/-    3.98      29.2 +/-    3.98  0.160 / 0.150
G15     46.2           29.0                9.4 +/-    1.37      16.8 +/-    1.37  0.030 / 0.030
G18     357.9          66.0                8.2 +/-    0.60       8.9 +/-    0.60  0.030 / 0.030
G20     72.6           16.3                8.0 +/-    1.57      19.4 +/-    1.57  0.070 / 0.120
G21     99.9           73.2               10.2 +/-    0.56      10.6 +/-    0.56  0.060 / 0.110
G24     98.0           26.9                9.7 +/-    0.97      18.1 +/-    0.97  0.100 / 0.070
G27     297.5          35.6                9.7 +/-    1.42      15.3 +/-    1.42  0.080 / 0.060
G32     211.6          31.7               11.0 +/-    2.13      18.7 +/-    2.13  0.080 / 0.070