PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-20:12:30
G10     286.0          47.8               14.6 +/-    2.73      19.0 +/-    2.73  0.080 / 0.080
G15     49.5           39.6               10.6 +/-    1.23      15.6 +/-    1.23  0.110 / 0.110
G20     332.1          65.0               14.5 +/-    0.64      15.8 +/-    0.64  0.040 / 0.040
G21     64.6           76.9               14.0 +/-    0.46      14.3 +/-    0.46  0.040 / 0.040
G24     103.0          22.8               12.4 +/-    1.40      25.4 +/-    1.40  0.040 / 0.060
G27     309.5          28.9               13.0 +/-    0.86      23.2 +/-    0.86  0.060 / 0.130
G29     168.5          15.5               18.3 +/-    3.37      45.1 +/-    3.37  0.160 / 0.130
G32     207.4          24.5               19.4 +/-    1.48      38.2 +/-    1.48  0.110 / 0.150