PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/31-04:57:40
G08     316.4          14.8                9.4 +/-   33.39      23.4 +/-   33.39  0.050 / 0.110
G10     320.3          58.2               14.3 +/-   32.44      16.6 +/-   32.44  0.050 / 0.080
G14     214.1          23.9               14.5 +/-   33.73      29.1 +/-   33.73  0.040 / 0.090
G15     45.8           15.6                9.1 +/-   36.14      22.3 +/-   36.14  0.040 / 0.060
G20     22.5           62.9               14.6 +/-   32.41      16.2 +/-   32.41  0.100 / 0.340
G21     125.2          63.7                6.8 +/-   32.33       7.5 +/-   32.33  0.110 / 0.270
G24     82.6           29.7               11.6 +/-   33.82      20.3 +/-   33.82  0.030 / 0.100
G27     286.2          37.4               13.3 +/-   32.93      20.3 +/-   32.93  0.040 / 0.040
G32     217.4          41.7               17.2 +/-   31.82      24.3 +/-   31.82  0.100 / 0.420