PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/27-19:28:00
G08     318.8          13.2                8.4 +/-    2.43      21.8 +/-    2.43  0.120 / 0.410
G10     307.7          55.1                6.8 +/-    1.10       8.1 +/-    1.10  0.120 / 0.340
G14     212.0          17.6               10.8 +/-    1.68      25.3 +/-    1.68  0.080 / 0.130
G15     45.8           25.4                8.6 +/-    2.63      16.6 +/-    2.63  0.090 / 0.120
G20     8.0            64.6                7.8 +/-    0.70       8.5 +/-    0.70  0.030 / 0.040
G21     114.5          68.4               10.1 +/-    0.62      10.7 +/-    0.62  0.040 / 0.040
G24     86.5           27.8                8.6 +/-    1.25      15.8 +/-    1.25  0.060 / 0.090
G27     294.8          35.6                7.0 +/-    1.06      11.0 +/-    1.06  0.060 / 0.100
G32     213.4          38.7                9.3 +/-    1.38      13.9 +/-    1.38  0.170 / 0.270