PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-21:28:10
G01     320.7          12.0                1.8 +/-   25.49       4.8 +/-   25.49  0.190 / 0.360
G08     263.1          16.5               10.3 +/-    2.03      24.6 +/-    2.03  0.240 / 0.340
G10     67.1           57.4                6.9 +/-    0.49       8.1 +/-    0.49  0.160 / 0.410
G11     308.7          19.7                8.3 +/-    0.83      18.4 +/-    0.83  0.150 / 0.360
G14     278.0          68.8                8.6 +/-    0.65       9.2 +/-    0.65  0.060 / 0.110
G18     96.0           32.9                8.0 +/-    1.15      13.3 +/-    1.15  0.050 / 0.090
G27     227.8          12.9               12.0 +/-    4.17      31.4 +/-    4.17  0.050 / 0.050
G31     180.1          31.5               11.0 +/-    2.41      18.7 +/-    2.41  0.050 / 0.060
G32     343.8          72.7                8.3 +/-    0.74       8.6 +/-    0.74  0.030 / 0.030