PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/29-17:43:00
G01     318.5          19.8                9.1 +/-    1.24      20.0 +/-    1.24  0.150 / 0.280
G08     253.6          12.2                8.9 +/-    1.82      23.8 +/-    1.82  0.150 / 0.310
G10     83.3           51.3               11.5 +/-    0.75      14.2 +/-    0.75  0.040 / 0.040
G11     300.0          24.8                9.8 +/-    2.06      19.3 +/-    2.06  0.040 / 0.050
G14     305.6          71.5               10.4 +/-    0.41      10.9 +/-    0.41  0.030 / 0.040
G18     299.9          45.0                9.9 +/-    1.35      13.3 +/-    1.35  0.030 / 0.040
G20     107.2          27.4               11.7 +/-    1.93      21.7 +/-    1.93  0.100 / 0.230
G22     301.9          11.9                7.9 +/-    2.28      21.2 +/-    2.28  0.140 / 0.220
G31     179.5          40.3               13.0 +/-    2.27      18.8 +/-    2.27  0.170 / 0.390
G32     8.3            66.9               11.1 +/-    0.55      11.9 +/-    0.55  0.180 / 0.320