PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-21:27:50
G01     251.3          35.8               10.9 +/-    1.01      17.1 +/-    1.01  0.100 / 0.250
G03     316.2          43.0                7.2 +/-    2.09      10.0 +/-    2.09  0.070 / 0.200
G11     236.2          11.9                9.3 +/-    3.76      24.9 +/-    3.76  0.040 / 0.040
G14     60.1           40.6                9.0 +/-    1.05      12.9 +/-    1.05  0.040 / 0.040
G16     163.4          17.4               11.1 +/-    1.39      26.1 +/-    1.39  0.060 / 0.100
G22     305.3          65.2                9.0 +/-    1.27       9.8 +/-    1.27  0.070 / 0.100
G23     285.5          17.4                8.4 +/-    2.09      19.7 +/-    2.09  0.080 / 0.230
G26     139.1          37.0               11.8 +/-    1.10      18.0 +/-    1.10  0.120 / 0.300
G31     40.8           62.5                9.5 +/-    0.79      10.5 +/-    0.79  0.050 / 0.110
G32     76.5           23.7                9.0 +/-    1.40      18.0 +/-    1.40  0.060 / 0.110