PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/02-17:43:10
G03     191.9          27.9               10.7 +/-    3.11      19.5 +/-    3.11  0.110 / 0.160
G07     280.7          31.5               12.8 +/-    1.11      21.7 +/-    1.11  0.120 / 0.190
G08     152.0          18.2               12.2 +/-    5.19      28.1 +/-    5.19  0.030 / 0.030
G09     320.0          52.3                9.9 +/-    0.60      12.1 +/-    0.60  0.030 / 0.030
G16     46.7           47.1               10.4 +/-    0.73      13.6 +/-    0.73  0.090 / 0.090
G22     177.7          12.2               10.5 +/-    1.93      27.8 +/-    1.93  0.090 / 0.110
G23     70.4           81.7                9.6 +/-    0.60       9.6 +/-    0.60  0.300 / 0.300
G26     42.9           18.3                9.6 +/-    3.73      22.1 +/-    3.73  0.230 / 0.360
G27     109.6          29.1               11.3 +/-    0.64      20.2 +/-    0.64  0.050 / 0.070