PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/23-19:28:10
G10     297.0          51.9               10.1 +/-    1.25      12.5 +/-    1.25  0.070 / 0.110
G14     210.0          11.2               -0.8 +/-   25.59      -2.1 +/-   25.59  0.080 / 0.110
G15     46.7           31.8                7.4 +/-    1.08      12.6 +/-    1.08  0.040 / 0.050
G20     351.4          65.4                7.2 +/-    1.77       7.9 +/-    1.77  0.040 / 0.040
G21     96.7           73.5               10.2 +/-    0.62      10.6 +/-    0.62  0.320 / 0.830
G24     94.4           25.9               14.4 +/-    1.91      27.5 +/-    1.91  0.430 / 0.650
G27     302.4          33.0               11.2 +/-    1.45      18.4 +/-    1.45  0.090 / 0.140
G32     210.2          31.9                8.9 +/-    1.65      14.9 +/-    1.65  0.100 / 0.160