PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/04-20:57:50
G03     201.2          46.6               11.8 +/-    1.51      15.5 +/-    1.51  0.070 / 0.120
G07     265.2          21.3               11.0 +/-    1.36      23.5 +/-    1.36  0.050 / 0.110
G09     314.7          35.7               10.2 +/-    1.07      16.1 +/-    1.07  0.130 / 0.200
G16     71.7           63.0               10.5 +/-    0.60      11.7 +/-    0.60  0.110 / 0.260
G22     184.6          30.8               11.6 +/-    1.31      20.0 +/-    1.31  0.030 / 0.050
G23     343.0          69.6                9.7 +/-    0.76      10.3 +/-    0.76  0.030 / 0.040
G26     46.9           35.0                7.7 +/-    0.56      12.3 +/-    0.56  0.030 / 0.060
G27     125.3          17.9               11.2 +/-    2.01      26.0 +/-    2.01  0.030 / 0.040