PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-17:12:40
G10     259.7          35.2               17.6 +/-    1.42      27.7 +/-    1.42  0.140 / 0.240
G13     45.5           22.5               10.0 +/-    3.46      20.8 +/-    3.46  0.110 / 0.280
G15     66.8           52.4               13.9 +/-    0.55      17.0 +/-    0.55  0.140 / 0.400
G16     285.3          14.7                7.5 +/-    5.27      18.7 +/-    5.27  0.110 / 0.260
G20     287.5          58.2               14.3 +/-    2.20      16.5 +/-    2.20  0.040 / 0.040
G21     347.9          66.5               14.8 +/-    0.59      16.0 +/-    0.59  0.040 / 0.040
G24     128.2          9.7               -16.7 +/-   18.85     -46.9 +/-   18.85  0.200 / 0.320
G26     259.4          11.3               11.8 +/-    4.01      32.0 +/-    4.01  0.130 / 0.310
G27     321.5          12.7                5.3 +/-   11.76      14.0 +/-   11.76  0.110 / 0.300
G29     166.2          40.4               18.1 +/-    1.43      26.1 +/-    1.43  0.040 / 0.040