PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-21:57:50
G01     320.6          12.2               -3.1 +/-   35.55      -8.3 +/-   35.55  0.110 / 0.210
G08     262.8          16.4               11.3 +/-    1.13      27.1 +/-    1.13  0.220 / 0.180
G10     67.4           57.4                9.8 +/-    1.18      11.4 +/-    1.18  0.170 / 0.280
G11     308.5          19.9                8.3 +/-    1.48      18.3 +/-    1.48  0.140 / 0.240
G14     278.7          69.0               10.8 +/-    0.53      11.5 +/-    0.53  0.080 / 0.080
G18     96.0           32.9               10.4 +/-    1.19      17.2 +/-    1.19  0.080 / 0.070
G27     227.6          12.8               11.3 +/-    1.60      29.6 +/-    1.60  0.030 / 0.020
G31     180.4          31.4               13.2 +/-    1.08      22.4 +/-    1.08  0.020 / 0.020
G32     343.4          72.7                9.9 +/-    0.33      10.3 +/-    0.33  0.040 / 0.040