PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/12-19:57:40
G10     286.8          48.1               12.4 +/-    2.09      16.1 +/-    2.09  0.080 / 0.090
G15     49.1           38.8               10.3 +/-    1.62      15.3 +/-    1.62  0.080 / 0.080
G20     333.7          65.1               12.5 +/-    0.49      13.7 +/-    0.49  0.040 / 0.030
G21     67.8           76.7               13.2 +/-    0.30      13.6 +/-    0.30  0.040 / 0.030
G24     102.3          23.1               11.6 +/-    0.84      23.7 +/-    0.84  0.050 / 0.060
G27     309.0          29.2               11.2 +/-    1.53      20.0 +/-    1.53  0.040 / 0.050
G29     168.4          14.8               13.6 +/-    2.10      34.1 +/-    2.10  0.080 / 0.130
G32     207.6          25.1               14.2 +/-    2.22      27.7 +/-    2.22  0.080 / 0.170