PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-23:12:30
G10     285.6          47.5               19.4 +/-    1.18      25.3 +/-    1.18  0.070 / 0.120
G15     49.4           39.4               16.2 +/-    0.58      23.7 +/-    0.58  0.070 / 0.120
G20     281.4          37.4               11.3 +/-    1.07      17.2 +/-    1.07  0.030 / 0.050
G21     56.1           77.7               19.9 +/-    0.85      20.3 +/-    0.85  0.040 / 0.060
G24     104.5          22.7               21.1 +/-    2.13      43.4 +/-    2.13  0.120 / 0.230
G27     308.9          29.6               17.1 +/-    1.80      30.2 +/-    1.80  0.090 / 0.230
G29     169.0          16.6               24.0 +/-    1.58      57.4 +/-    1.58  0.040 / 0.060
G32     207.1          25.4               26.2 +/-    2.40      50.8 +/-    2.40  0.040 / 0.060