PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-02:13:00
G08     281.6          22.9                9.7 +/-    1.10      20.0 +/-    1.10  0.030 / 0.030
G10     26.3           63.0                7.9 +/-    0.82       8.7 +/-    0.82  0.030 / 0.030
G14     240.9          56.4               10.5 +/-    1.37      12.3 +/-    1.37  0.050 / 0.180
G18     74.2           46.7                8.6 +/-    0.62      11.4 +/-    0.62  0.060 / 0.160
G21     150.0          30.2               11.1 +/-    1.46      19.4 +/-    1.46  0.060 / 0.140
G24     49.3           21.9                7.6 +/-    0.95      15.9 +/-    0.95  0.070 / 0.110
G27     243.3          25.9               11.9 +/-    2.17      22.8 +/-    2.17  0.040 / 0.070
G31     182.3          14.0               14.4 +/-    1.63      36.7 +/-    1.63  0.040 / 0.080
G32     268.3          72.5                9.6 +/-    0.47      10.0 +/-    0.47  0.110 / 0.140