PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-17:27:50
G05     52.6           11.2                9.8 +/-    3.07      26.5 +/-    3.07  0.050 / 0.060
G10     244.0          21.3               12.8 +/-    0.92      27.4 +/-    0.92  0.040 / 0.060
G13     61.6           33.4               10.0 +/-    1.11      16.3 +/-    1.11  0.140 / 0.500
G15     109.7          58.1               11.0 +/-    0.46      12.7 +/-    0.46  0.140 / 0.610
G16     303.8          15.1                7.2 +/-    2.71      17.8 +/-    2.71  0.120 / 0.280
G20     259.8          45.3               11.1 +/-    1.65      14.8 +/-    1.65  0.170 / 0.270
G21     326.0          55.4                9.3 +/-    0.85      11.0 +/-    0.85  0.050 / 0.140
G26     276.6          18.1               10.1 +/-    1.66      23.4 +/-    1.66  0.050 / 0.110
G29     161.4          59.1               12.7 +/-    0.65      14.5 +/-    0.65  0.040 / 0.040