PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-19:28:10
G01     220.8          11.4               10.2 +/-    5.47      27.7 +/-    5.47  0.120 / 0.250
G03     254.5          71.0                8.2 +/-    0.54       8.6 +/-    0.54  0.110 / 0.260
G09     298.6          11.8                8.9 +/-    4.35      23.9 +/-    4.35  0.050 / 0.040
G14     93.3           20.2                9.2 +/-    1.16      20.1 +/-    1.16  0.040 / 0.040
G16     140.0          52.6               12.5 +/-    0.87      15.3 +/-    0.87  0.070 / 0.130
G22     200.0          62.7               12.2 +/-    0.84      13.5 +/-    0.84  0.080 / 0.120
G23     314.2          44.1                8.7 +/-    1.16      11.8 +/-    1.16  0.090 / 0.360
G26     81.6           54.1                9.1 +/-    0.72      10.9 +/-    0.72  0.080 / 0.280
G31     48.7           25.2                8.3 +/-    0.70      16.1 +/-    0.70  0.030 / 0.030