PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-23:13:10
G10     302.0          53.4               10.3 +/-    1.06      12.5 +/-    1.06  0.070 / 0.070
G14     211.1          13.9               17.7 +/-    2.80      45.2 +/-    2.80  0.090 / 0.080
G15     46.2           29.3                8.2 +/-    0.91      14.5 +/-    0.91  0.030 / 0.030
G20     291.0          41.5               21.8 +/-    0.66      31.0 +/-    0.66  0.030 / 0.030
G21     103.2          73.4               10.3 +/-    0.61      10.7 +/-    0.61  0.080 / 0.180
G24     92.2           27.2               10.6 +/-    1.15      19.7 +/-    1.15  0.080 / 0.120
G27     297.5          35.2               11.1 +/-    2.77      17.6 +/-    2.77  0.140 / 0.760
G32     211.5          36.7               14.7 +/-    1.27      22.6 +/-    1.27  0.110 / 0.630