PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-16:43:10
G10     262.3          35.7                9.1 +/-    1.44      14.2 +/-    1.44  0.110 / 0.210
G13     44.1           21.3                6.8 +/-    1.09      14.4 +/-    1.09  0.100 / 0.210
G15     66.9           53.9                7.5 +/-    0.53       9.1 +/-    0.53  0.050 / 0.060
G16     284.1          13.4                6.8 +/-    1.25      17.6 +/-    1.25  0.050 / 0.050
G20     289.3          58.2                9.3 +/-    0.75      10.8 +/-    0.75  0.130 / 0.280
G21     358.2          69.9                8.6 +/-    0.61       9.1 +/-    0.61  0.120 / 0.310
G24     120.3          12.1                9.9 +/-    1.53      26.4 +/-    1.53  0.090 / 0.300
G26     258.2          10.0                8.8 +/-    3.03      24.7 +/-    3.03  0.080 / 0.290
G27     321.2          13.5                6.5 +/-    2.17      16.8 +/-    2.17  0.080 / 0.270
G29     166.6          35.4                9.5 +/-    0.59      15.0 +/-    0.59  0.070 / 0.270