PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-22:12:40
G10     262.8          35.8               13.1 +/-    1.74      20.4 +/-    1.74  0.140 / 0.410
G13     43.9           21.1                8.9 +/-    0.58      19.0 +/-    0.58  0.120 / 0.390
G15     68.0           55.0               10.2 +/-    0.54      12.1 +/-    0.54  0.050 / 0.040
G16     281.0          13.7               10.6 +/-    1.16      27.1 +/-    1.16  0.050 / 0.050
G20     262.6          22.8                8.1 +/-    0.95      16.7 +/-    0.95  0.130 / 0.360
G21     351.0          68.6               11.0 +/-    0.88      11.7 +/-    0.88  0.130 / 0.380
G24     121.9          12.0               13.4 +/-    3.86      35.7 +/-    3.86  0.070 / 0.320
G27     320.4          15.3                8.3 +/-    2.18      20.6 +/-    2.18  0.070 / 0.250
G29     167.9          36.8               13.5 +/-    1.27      20.8 +/-    1.27  0.090 / 0.330