PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/23-19:57:50
G08     314.6          16.6               10.0 +/-    2.11      24.0 +/-    2.11  0.050 / 0.100
G10     318.1          57.5               10.6 +/-    0.60      12.3 +/-    0.60  0.070 / 0.080
G14     214.2          23.3               13.2 +/-    1.13      26.9 +/-    1.13  0.040 / 0.040
G15     45.9           20.2                7.7 +/-    2.76      16.8 +/-    2.76  0.040 / 0.060
G20     21.7           63.1               10.5 +/-    0.85      11.6 +/-    0.85  0.090 / 0.310
G21     124.9          63.4               13.8 +/-    1.32      15.3 +/-    1.32  0.100 / 0.330
G24     79.5           28.7               10.3 +/-    0.78      18.5 +/-    0.78  0.150 / 0.230
G27     287.1          36.9                9.4 +/-    2.15      14.4 +/-    2.15  0.130 / 0.260
G32     217.0          44.9               14.8 +/-    1.83      19.9 +/-    1.83  0.070 / 0.100