PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-06:13:00
G08     318.4          12.8                4.6 +/-    2.24      12.1 +/-    2.24  0.100 / 0.420
G10     314.8          56.6                4.7 +/-    0.76       5.5 +/-    0.76  0.200 / 0.500
G14     214.4          17.9                7.5 +/-    0.65      17.4 +/-    0.65  0.030 / 0.040
G15     45.7           18.8                2.1 +/-    1.46       4.8 +/-    1.46  0.040 / 0.040
G20     46.3           54.8                4.6 +/-    0.33       5.4 +/-    0.33  0.050 / 0.080
G21     122.0          66.3                7.1 +/-    0.95       7.6 +/-    0.95  0.060 / 0.080
G24     84.6           29.5                4.2 +/-    0.56       7.4 +/-    0.56  0.040 / 0.040
G27     286.8          37.5                6.4 +/-    1.53       9.6 +/-    1.53  0.030 / 0.040
G32     216.1          44.9               10.0 +/-    0.76      13.5 +/-    0.76  0.130 / 0.250