PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/28-05:57:40
G08     320.3          11.1               -5.0 +/-   32.06     -13.6 +/-   32.06  0.210 / 0.600
G10     309.6          55.4                4.1 +/-    0.76       4.9 +/-    0.76  0.290 / 0.450
G14     213.3          15.1                8.1 +/-    4.45      20.2 +/-    4.45  0.030 / 0.040
G15     45.6           21.5                2.8 +/-    0.64       5.9 +/-    0.64  0.030 / 0.040
G20     40.0           57.3                4.6 +/-    0.67       5.3 +/-    0.67  0.050 / 0.080
G21     116.4          68.9                5.9 +/-    0.55       6.3 +/-    0.55  0.050 / 0.080
G24     88.1           28.9                5.5 +/-    0.60       9.9 +/-    0.60  0.070 / 0.110
G27     290.7          37.0                7.1 +/-    1.24      10.8 +/-    1.24  0.080 / 0.120
G32     214.3          41.8                8.3 +/-    1.11      11.7 +/-    1.11  0.190 / 0.350