PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-18:57:50
G02     201.7          28.1               13.5 +/-    2.25      24.7 +/-    2.25  0.070 / 0.110
G06     167.0          61.8               13.8 +/-    0.97      15.5 +/-    0.97  0.060 / 0.120
G17     28.7           54.7               10.1 +/-    0.72      12.1 +/-    0.72  0.040 / 0.100
G19     349.0          68.3                9.7 +/-    0.69      10.3 +/-    0.69  0.040 / 0.100
G24     303.6          34.8               10.6 +/-    1.32      16.9 +/-    1.32  0.070 / 0.120
G28     93.0           39.5               10.5 +/-    0.32      15.3 +/-    0.32  0.080 / 0.150