PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-22:58:10
G10     275.4          42.9                8.9 +/-    0.81      12.4 +/-    0.81  0.100 / 0.140
G13     39.0           12.3                7.9 +/-    2.18      21.0 +/-    2.18  0.090 / 0.150
G15     54.5           46.4                8.2 +/-    1.47      10.8 +/-    1.47  0.040 / 0.040
G20     273.9          32.8                6.4 +/-    1.06      10.6 +/-    1.06  0.040 / 0.040
G21     20.7           75.6                9.6 +/-    0.74       9.8 +/-    0.74  0.130 / 0.270
G24     112.2          18.5               11.4 +/-    1.85      26.1 +/-    1.85  0.120 / 0.330
G27     314.9          24.1                7.8 +/-    1.89      15.6 +/-    1.89  0.120 / 0.300
G29     168.9          24.7               11.8 +/-    1.58      23.2 +/-    1.58  0.130 / 0.300
G32     205.0          17.6               17.5 +/-    4.21      40.9 +/-    4.21  0.040 / 0.050