PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-14:27:30
G02     228.6          70.6               10.2 +/-    1.02      10.8 +/-    1.02  0.050 / 0.090
G06     43.1           65.8                8.0 +/-    0.41       8.6 +/-    0.41  0.060 / 0.070
G12     321.1          45.9                8.3 +/-    1.39      11.1 +/-    1.39  0.050 / 0.110
G17     68.1           23.4                9.1 +/-    1.31      18.4 +/-    1.31  0.050 / 0.110
G19     53.5           40.5               10.2 +/-    1.28      14.7 +/-    1.28  0.030 / 0.030
G24     253.4          37.8                9.7 +/-    1.41      14.6 +/-    1.41  0.030 / 0.030