PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/06-20:12:30
G10     281.2          45.7               11.5 +/-    1.44      15.4 +/-    1.44  0.080 / 0.130
G15     51.5           42.9                9.1 +/-    0.66      12.6 +/-    0.66  0.080 / 0.160
G20     323.4          64.4                0.0 +/-    0.61       0.0 +/-    0.61  0.050 / 0.040
G21     47.4           76.9               -2.7 +/-    0.56      -2.8 +/-    0.56  0.030 / 0.050
G24     106.7          21.1               12.4 +/-    0.57      26.6 +/-    0.57  0.040 / 0.050
G27     312.4          26.6                8.7 +/-    1.16      16.5 +/-    1.16  0.040 / 0.050
G29     168.5          19.1               11.7 +/-    1.68      26.2 +/-    1.68  0.090 / 0.160
G32     206.3          21.0               11.2 +/-    2.64      24.1 +/-    2.64  0.080 / 0.130