PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/30-02:42:30
G01     320.3          13.4                7.8 +/-    2.15      20.2 +/-    2.15  0.110 / 0.230
G08     260.7          15.9               11.6 +/-    4.02      28.3 +/-    4.02  0.120 / 0.270
G10     69.3           57.0                8.1 +/-    0.66       9.5 +/-    0.66  0.030 / 0.030
G11     306.4          21.9                6.9 +/-    1.83      14.5 +/-    1.83  0.020 / 0.030
G14     284.2          70.0                9.4 +/-    0.66      10.0 +/-    0.66  0.040 / 0.050
G18     96.3           33.6                8.2 +/-    0.52      13.3 +/-    0.52  0.050 / 0.050
G21     154.8          9.7                 9.3 +/-    3.00      26.2 +/-    3.00  0.140 / 0.260
G27     226.6          11.9               10.6 +/-    3.57      28.4 +/-    3.57  0.140 / 0.260
G31     178.3          34.8               11.4 +/-    1.03      18.1 +/-    1.03  0.130 / 0.270
G32     347.9          71.9                9.1 +/-    0.66       9.5 +/-    0.66  0.130 / 0.440