PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/11-19:27:40
G08     266.6          17.7               11.7 +/-    1.77      27.1 +/-    1.77  0.340 / 0.320
G10     61.8           58.6                8.4 +/-    0.56       9.6 +/-    0.56  0.270 / 0.280
G11     311.3          17.3               10.1 +/-    1.97      23.9 +/-    1.97  0.100 / 0.280
G14     269.5          66.9                9.2 +/-    1.03       9.9 +/-    1.03  0.070 / 0.410
G18     93.5           34.3                9.6 +/-    1.13      15.4 +/-    1.13  0.070 / 0.100
G24     39.8           10.5                9.0 +/-    3.32      25.0 +/-    3.32  0.080 / 0.100
G27     230.0          14.9               11.8 +/-    1.24      29.4 +/-    1.24  0.020 / 0.010
G31     179.6          29.6               10.7 +/-    1.64      18.9 +/-    1.64  0.030 / 0.020
G32     337.6          73.9                8.4 +/-    0.38       8.7 +/-    0.38  0.030 / 0.030