PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-20:42:50
G08     291.8          23.2               10.6 +/-    0.95      21.6 +/-    0.95  0.100 / 0.090
G10     7.3            63.1                8.7 +/-    0.64       9.6 +/-    0.64  0.120 / 0.110
G14     231.0          48.0               11.8 +/-    1.63      15.3 +/-    1.63  0.040 / 0.080
G18     65.5           50.0               10.5 +/-    1.27      13.3 +/-    1.27  0.060 / 0.090
G21     145.9          35.9               12.1 +/-    1.10      18.8 +/-    1.10  0.040 / 0.020
G24     56.5           26.3                8.9 +/-    2.04      16.9 +/-    2.04  0.030 / 0.020
G27     251.9          31.0               11.4 +/-    3.16      19.5 +/-    3.16  0.080 / 0.110
G32     246.1          66.2               11.7 +/-    0.52      12.7 +/-    0.52  0.070 / 0.070