PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/24-18:27:40
G10     265.0          37.3               10.9 +/-    1.48      16.6 +/-    1.48  0.190 / 0.210
G13     42.8           19.5                8.5 +/-    0.82      19.0 +/-    0.82  0.120 / 0.210
G15     64.4           53.2                9.3 +/-    0.68      11.4 +/-    0.68  0.040 / 0.040
G16     281.0          12.8                9.0 +/-    1.95      23.6 +/-    1.95  0.040 / 0.040
G20     293.9          59.4                9.6 +/-    1.24      11.0 +/-    1.24  0.130 / 0.360
G21     1.4            71.0                9.1 +/-    1.16       9.6 +/-    1.16  0.140 / 0.360
G24     118.8          13.5               11.4 +/-    2.51      29.4 +/-    2.51  0.130 / 0.330
G27     320.2          15.9                6.9 +/-    2.50      16.8 +/-    2.50  0.150 / 0.340
G29     167.4          33.2               10.6 +/-    2.02      17.4 +/-    2.02  0.080 / 0.250