PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/30-02:42:40
G08     316.1          15.2                7.0 +/-    3.65      17.3 +/-    3.65  0.050 / 0.070
G10     312.1          55.7                7.7 +/-    1.81       9.2 +/-    1.81  0.060 / 0.060
G14     213.4          23.1               12.5 +/-    1.90      25.6 +/-    1.90  0.040 / 0.030
G15     45.7           21.7                5.9 +/-    2.50      12.4 +/-    2.50  0.030 / 0.040
G18     16.7           64.0                7.8 +/-    0.35       8.6 +/-    0.35  0.080 / 0.100
G20     79.2           10.2                6.0 +/-    2.67      16.7 +/-    2.67  0.100 / 0.100
G21     120.5          66.5                8.6 +/-    1.05       9.3 +/-    1.05  0.070 / 0.050
G24     87.5           29.7                8.9 +/-    1.76      15.7 +/-    1.76  0.070 / 0.040
G27     286.2          37.9                7.1 +/-    0.95      10.7 +/-    0.95  0.310 / 0.270
G32     216.2          41.4                9.8 +/-    1.59      14.0 +/-    1.59  0.170 / 0.280