PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/21-21:12:50
G01     301.3          37.0                8.8 +/-    1.58      13.5 +/-    1.58  0.070 / 0.120
G10     112.2          34.8                9.9 +/-    0.59      15.8 +/-    0.59  0.070 / 0.130
G11     273.1          27.9                7.6 +/-    1.24      13.9 +/-    1.24  0.060 / 0.050
G14     10.5           63.6                8.1 +/-    0.76       8.9 +/-    0.76  0.040 / 0.060
G22     311.7          30.1                7.9 +/-    1.10      13.8 +/-    1.10  0.070 / 0.080
G25     71.0           16.5                7.5 +/-    1.73      17.9 +/-    1.73  0.080 / 0.100
G31     164.5          70.0               11.4 +/-    1.12      12.0 +/-    1.12  0.090 / 0.280
G32     42.3           48.3                6.7 +/-    0.38       8.7 +/-    0.38  0.090 / 0.280