PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-22:43:00
G10     277.8          44.1               11.3 +/-    1.82      15.4 +/-    1.82  0.070 / 0.160
G13     38.4           10.7                8.2 +/-    4.51      22.5 +/-    4.51  0.120 / 0.180
G15     53.1           44.9                9.1 +/-    0.93      12.3 +/-    0.93  0.040 / 0.040
G20     274.3          31.5               16.2 +/-    0.69      27.5 +/-    0.69  0.030 / 0.040
G21     28.1           76.4                9.9 +/-    0.82      10.1 +/-    0.82  0.120 / 0.220
G24     110.3          19.6               11.7 +/-    2.35      26.0 +/-    2.35  0.120 / 0.180
G27     313.6          25.5                9.1 +/-    1.57      17.7 +/-    1.57  0.110 / 0.470
G29     169.0          22.7               13.3 +/-    1.48      27.4 +/-    1.48  0.080 / 0.600
G32     205.5          19.5               17.0 +/-    3.59      37.9 +/-    3.59  0.040 / 0.040