PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-00:27:40
G08     290.4          23.9                9.5 +/-    1.18      19.1 +/-    1.18  0.070 / 0.110
G10     9.9            63.0                7.6 +/-    0.67       8.4 +/-    0.67  0.070 / 0.110
G14     230.5          46.6               10.7 +/-    0.78      14.1 +/-    0.78  0.040 / 0.080
G18     317.6          10.8               -5.3 +/-   22.27     -14.5 +/-   22.27  0.040 / 0.080
G20     337.2          62.0               10.9 +/-    0.38      12.2 +/-    0.38  0.060 / 0.080
G21     147.2          40.8               11.8 +/-    1.27      16.9 +/-    1.27  0.050 / 0.080
G24     53.8           23.9                7.9 +/-    0.63      15.8 +/-    0.63  0.070 / 0.120
G27     253.8          31.3               11.8 +/-    1.57      20.1 +/-    1.57  0.090 / 0.110
G32     249.8          70.4               10.8 +/-    0.58      11.3 +/-    0.58  0.140 / 0.180