PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-17:13:00
G01     244.9          31.9               11.8 +/-    1.41      19.9 +/-    1.41  0.030 / 0.070
G03     313.6          53.2                8.9 +/-    1.66      10.9 +/-    1.66  0.030 / 0.050
G14     65.1           38.7                8.6 +/-    0.97      12.7 +/-    0.97  0.030 / 0.040
G16     160.5          23.7               12.5 +/-    0.96      25.2 +/-    0.96  0.040 / 0.040
G22     291.2          72.9               10.1 +/-    1.16      10.5 +/-    1.16  0.070 / 0.230
G23     291.9          24.5               11.1 +/-    1.40      21.9 +/-    1.40  0.090 / 0.210
G26     129.3          43.0               11.8 +/-    1.11      16.4 +/-    1.11  0.050 / 0.120
G31     40.5           51.5                7.9 +/-    0.45       9.8 +/-    0.45  0.040 / 0.140
G32     82.7           18.5                9.8 +/-    0.66      22.4 +/-    0.66  0.090 / 0.130