PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/05-22:43:10
G02     203.8          38.5               22.7 +/-    1.24      33.8 +/-    1.24  0.100 / 0.170
G06     152.8          72.5               18.8 +/-    0.84      19.6 +/-    0.84  0.100 / 0.140
G12     309.3          17.8               14.3 +/-    1.25      33.2 +/-    1.25  0.040 / 0.040
G17     35.2           50.2               15.2 +/-    0.81      19.1 +/-    0.81  0.060 / 0.050
G19     4.6            64.1               15.7 +/-    0.55      17.2 +/-    0.55  0.070 / 0.170
G24     294.6          39.5               16.3 +/-    0.74      23.9 +/-    0.74  0.060 / 0.130
G28     105.5          29.0               17.7 +/-    0.65      31.6 +/-    0.65  0.080 / 0.080