PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-18:12:50
G01     245.5          32.2               11.2 +/-    1.41      18.7 +/-    1.41  0.060 / 0.100
G03     314.0          51.7                9.6 +/-    1.06      11.9 +/-    1.06  0.060 / 0.120
G11     235.4          10.0               10.7 +/-    2.09      29.9 +/-    2.09  0.030 / 0.050
G14     64.9           38.7                8.7 +/-    1.48      13.0 +/-    1.48  0.030 / 0.050
G16     161.2          22.8               12.9 +/-    1.60      26.5 +/-    1.60  0.030 / 0.040
G22     293.9          71.7                9.7 +/-    0.67      10.1 +/-    0.67  0.020 / 0.050
G23     291.2          23.6                9.5 +/-    1.67      19.2 +/-    1.67  0.080 / 0.100
G26     130.6          42.4               12.2 +/-    0.85      17.0 +/-    0.85  0.090 / 0.120
G31     40.4           52.6                8.2 +/-    0.62      10.0 +/-    0.62  0.050 / 0.060
G32     82.1           19.1                9.0 +/-    1.06      20.2 +/-    1.06  0.030 / 0.050