PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-00:27:40
G08     277.4          22.0                8.5 +/-    1.03      17.8 +/-    1.03  0.090 / 0.150
G10     38.9           61.7                8.3 +/-    0.64       9.3 +/-    0.64  0.070 / 0.160
G14     245.4          57.4               10.5 +/-    1.35      12.2 +/-    1.35  0.040 / 0.050
G18     316.4          22.7                7.9 +/-    1.27      16.3 +/-    1.27  0.040 / 0.050
G20     83.2           44.0                9.8 +/-    1.30      13.4 +/-    1.30  0.100 / 0.220
G21     152.2          26.5               11.2 +/-    1.02      21.2 +/-    1.02  0.090 / 0.180
G24     44.1           16.0                7.6 +/-    2.07      18.5 +/-    2.07  0.090 / 0.180
G27     241.8          23.6               11.5 +/-    2.06      23.3 +/-    2.06  0.100 / 0.200
G31     180.1          19.7               11.8 +/-    3.59      26.2 +/-    3.59  0.190 / 0.300
G32     295.7          76.6                9.2 +/-    0.44       9.5 +/-    0.44  0.250 / 0.350