PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-00:12:40
G10     282.4          46.1               10.4 +/-    1.46      13.8 +/-    1.46  0.070 / 0.100
G15     50.5           41.0                6.6 +/-    0.85       9.4 +/-    0.85  0.060 / 0.100
G20     285.1          44.0                6.8 +/-    0.76       9.2 +/-    0.76  0.100 / 0.150
G21     44.8           77.5                7.7 +/-    0.84       7.8 +/-    0.84  0.090 / 0.190
G24     107.2          21.5               11.0 +/-    0.95      23.4 +/-    0.95  0.040 / 0.070
G27     310.9          28.1                8.1 +/-    1.79      14.7 +/-    1.79  0.050 / 0.050
G29     169.0          18.9               11.7 +/-    1.62      26.5 +/-    1.62  0.070 / 0.230
G32     206.4          23.0               12.8 +/-    4.22      26.2 +/-    4.22  0.060 / 0.250