PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-06:43:10
G08     310.7          17.8                4.7 +/-    1.29      10.9 +/-    1.29  0.110 / 0.200
G10     333.5          60.2                2.9 +/-    0.55       3.3 +/-    0.55  0.120 / 0.190
G14     219.0          27.2                7.0 +/-    1.41      13.0 +/-    1.41  0.080 / 0.070
G15     47.1           10.1                1.9 +/-    2.81       5.2 +/-    2.81  0.060 / 0.080
G20     61.2           47.9                4.7 +/-    0.76       6.1 +/-    0.76  0.030 / 0.040
G21     135.2          56.7                7.5 +/-    0.71       8.8 +/-    0.71  0.040 / 0.050
G24     72.5           29.8                5.2 +/-    0.56       9.1 +/-    0.56  0.030 / 0.030
G27     273.2          37.3                7.5 +/-    0.97      11.4 +/-    0.97  0.040 / 0.040
G32     224.2          55.1                9.1 +/-    1.72      10.8 +/-    1.72  0.050 / 0.070