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               11.0 +/-    2.43      20.1 +/-    2.43  0.080 / 0.120
G07     280.7          31.5               11.7 +/-    1.10      19.9 +/-    1.10  0.060 / 0.130
G08     152.0          18.2               11.9 +/-    2.89      27.5 +/-    2.89  0.040 / 0.080
G09     320.0          52.3               11.6 +/-    1.58      14.2 +/-    1.58  0.040 / 0.090
G16     46.7           47.1               10.7 +/-    0.61      14.0 +/-    0.61  0.030 / 0.030
G22     177.7          12.2                9.5 +/-    1.68      25.3 +/-    1.68  0.030 / 0.030
G23     70.4           81.7                9.5 +/-    0.71       9.6 +/-    0.71  0.090 / 0.320
G26     42.9           18.3                9.6 +/-    0.55      22.1 +/-    0.55  0.130 / 0.340
G27     109.6          29.1               12.0 +/-    1.11      21.4 +/-    1.11  0.070 / 0.150