PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-17:28:00
G08     319.3          12.2                7.6 +/-    1.92      20.2 +/-    1.92  0.060 / 0.100
G10     307.6          54.6                7.7 +/-    1.10       9.2 +/-    1.10  0.050 / 0.080
G14     212.5          18.7               10.7 +/-    1.57      24.3 +/-    1.57  0.190 / 0.260
G15     45.4           20.6                7.2 +/-    2.18      15.6 +/-    2.18  0.140 / 0.280
G18     18.0           63.6                8.1 +/-    1.19       9.0 +/-    1.19  0.090 / 0.090
G20     75.8           15.5                6.4 +/-    2.58      15.8 +/-    2.58  0.090 / 0.080
G21     118.6          63.4                9.4 +/-    0.75      10.4 +/-    0.75  0.360 / 0.500
G24     90.8           29.0                8.3 +/-    2.31      14.8 +/-    2.31  0.150 / 0.520
G27     290.5          37.3                7.3 +/-    3.78      11.1 +/-    3.78  0.040 / 0.040
G32     214.5          38.1               11.4 +/-    1.31      17.1 +/-    1.31  0.030 / 0.030