PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/13-03:42:50
G08     264.7          17.8                7.9 +/-    1.43      18.3 +/-    1.43  0.030 / 0.030
G10     61.4           58.9                4.7 +/-    1.01       5.4 +/-    1.01  0.040 / 0.050
G11     309.4          19.7                7.5 +/-    1.29      16.7 +/-    1.29  0.140 / 0.360
G14     272.3          68.2                6.6 +/-    1.57       7.1 +/-    1.57  0.160 / 0.320
G18     91.9           36.9                7.0 +/-    1.09      10.7 +/-    1.09  0.110 / 0.180
G24     39.9           10.8                5.2 +/-    2.94      14.1 +/-    2.94  0.120 / 0.160
G27     229.7          14.8                9.3 +/-    1.61      23.2 +/-    1.61  0.040 / 0.060
G31     178.5          30.9               11.0 +/-    2.57      18.9 +/-    2.57  0.040 / 0.050
G32     336.4          73.9                7.6 +/-    0.77       7.9 +/-    0.77  0.070 / 0.110