PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-00:58:10
G02     203.5          39.2               12.9 +/-    1.10      19.1 +/-    1.10  0.110 / 0.270
G06     155.9          71.9               11.7 +/-    1.21      12.2 +/-    1.21  0.130 / 0.230
G12     309.0          16.9                8.9 +/-    2.60      21.1 +/-    2.60  0.050 / 0.090
G17     35.1           50.3                7.7 +/-    0.63       9.7 +/-    0.63  0.040 / 0.100
G19     6.3            63.7                8.2 +/-    0.54       9.1 +/-    0.54  0.020 / 0.050
G24     295.0          39.2               10.2 +/-    1.64      15.1 +/-    1.64  0.020 / 0.050
G28     105.6          28.8               10.9 +/-    0.55      19.6 +/-    0.55  0.070 / 0.160