PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-19:27:40
G10     264.3          36.8               13.0 +/-    1.25      20.0 +/-    1.25  0.130 / 0.300
G13     43.1           20.0               12.1 +/-    1.16      26.7 +/-    1.16  0.180 / 0.280
G15     66.1           54.3               12.7 +/-    0.33      15.2 +/-    0.33  0.040 / 0.040
G16     281.3          13.0               10.0 +/-    1.10      26.0 +/-    1.10  0.040 / 0.040
G20     292.6          59.1               13.6 +/-    0.90      15.6 +/-    0.90  0.200 / 0.380
G21     358.6          70.4               14.3 +/-    0.54      15.1 +/-    0.54  0.130 / 0.290
G24     119.7          13.0               14.9 +/-    1.61      39.0 +/-    1.61  0.120 / 0.370
G27     320.3          15.6                8.8 +/-    2.21      21.5 +/-    2.21  0.110 / 0.350
G29     167.5          34.2               15.2 +/-    2.22      24.5 +/-    2.22  0.080 / 0.180