PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/02-13:58:00
G02     210.1          51.2               12.5 +/-    0.88      15.6 +/-    0.88  0.120 / 0.270
G06     102.1          80.3               12.1 +/-    0.97      12.2 +/-    0.97  0.080 / 0.280
G12     315.6          28.2                8.0 +/-    1.08      14.6 +/-    1.08  0.050 / 0.120
G17     52.5           35.5                8.1 +/-    0.96      12.7 +/-    0.96  0.060 / 0.130
G19     32.1           53.1               10.0 +/-    1.00      12.1 +/-    1.00  0.070 / 0.080
G24     279.0          41.9                8.0 +/-    1.79      11.3 +/-    1.79  0.050 / 0.100
G28     117.3          19.0               11.6 +/-    1.88      26.1 +/-    1.88  0.030 / 0.030