PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-16:42:40
G10     263.8          36.6                7.7 +/-    1.50      11.9 +/-    1.50  0.150 / 0.250
G13     43.4           20.3                6.7 +/-    1.38      14.6 +/-    1.38  0.130 / 0.360
G15     64.9           53.0                8.0 +/-    0.47       9.7 +/-    0.47  0.150 / 0.350
G16     282.8          13.1                8.0 +/-    3.19      20.9 +/-    3.19  0.110 / 0.300
G20     291.8          58.9                9.5 +/-    0.97      10.9 +/-    0.97  0.140 / 0.360
G21     1.4            70.7                8.9 +/-    0.57       9.4 +/-    0.57  0.140 / 0.350
G24     119.2          12.9               10.5 +/-    1.48      27.4 +/-    1.48  0.040 / 0.050
G27     320.7          14.6                5.3 +/-    4.39      13.2 +/-    4.39  0.040 / 0.050
G29     166.8          33.9               10.5 +/-    1.53      17.0 +/-    1.53  0.040 / 0.090