PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/31-16:43:10
G05     48.5           19.4                6.4 +/-    1.43      14.4 +/-    1.43  0.080 / 0.060
G10     236.7          13.5               10.0 +/-    2.04      25.8 +/-    2.04  0.060 / 0.070
G13     74.3           36.0                9.1 +/-    1.28      14.2 +/-    1.28  0.130 / 0.300
G15     128.2          52.5               11.0 +/-    1.58      13.5 +/-    1.58  0.120 / 0.280
G16     313.6          12.6                6.4 +/-    2.70      16.7 +/-    2.70  0.070 / 0.110
G20     248.9          37.6               10.7 +/-    2.48      16.2 +/-    2.48  0.080 / 0.130
G21     315.3          48.6                6.4 +/-    0.58       8.2 +/-    0.58  0.070 / 0.140
G26     287.5          19.9                8.7 +/-    1.14      19.2 +/-    1.14  0.090 / 0.170
G29     155.1          71.1               11.7 +/-    1.40      12.3 +/-    1.40  0.020 / 0.050