PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/17-23:58:00
G08     274.1          21.2                9.8 +/-    0.80      20.9 +/-    0.80  0.090 / 0.190
G10     45.5           60.9               11.3 +/-    0.47      12.7 +/-    0.47  0.090 / 0.200
G14     250.2          60.0               12.1 +/-    0.84      13.8 +/-    0.84  0.110 / 0.280
G18     315.5          25.6                7.2 +/-    1.89      14.0 +/-    1.89  0.130 / 0.230
G20     86.7           42.1               11.0 +/-    0.62      15.5 +/-    0.62  0.040 / 0.070
G21     153.1          23.3               12.0 +/-    3.68      24.4 +/-    3.68  0.040 / 0.060
G24     42.3           13.7                7.5 +/-    1.12      19.2 +/-    1.12  0.080 / 0.160
G27     239.2          21.6               12.1 +/-    3.24      25.6 +/-    3.24  0.080 / 0.160
G31     179.6          22.5               13.4 +/-    2.17      27.8 +/-    2.17  0.130 / 0.260
G32     309.7          76.6               11.3 +/-    0.72      11.5 +/-    0.72  0.120 / 0.300