PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-18:27:20
G03     201.9          50.3               17.4 +/-    1.04      21.8 +/-    1.04  0.090 / 0.120
G07     261.1          18.1               16.5 +/-    1.08      38.1 +/-    1.08  0.130 / 0.120
G09     312.6          31.5               12.2 +/-    1.08      20.8 +/-    1.08  0.060 / 0.030
G16     81.2           64.0               16.6 +/-    0.57      18.3 +/-    0.57  0.080 / 0.050
G22     184.7          34.6               16.3 +/-    0.99      26.1 +/-    0.99  0.210 / 0.290
G23     339.1          66.5               14.0 +/-    0.35      15.2 +/-    0.35  0.330 / 0.450
G27     129.4          14.5               19.0 +/-    2.36      47.8 +/-    2.36  0.030 / 0.050