PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-17:28:10
G02     216.4          57.5               13.1 +/-    1.12      15.2 +/-    1.12  0.040 / 0.080
G06     57.4           74.2               11.1 +/-    0.28      11.5 +/-    0.28  0.040 / 0.080
G12     319.1          37.1                8.9 +/-    1.12      13.6 +/-    1.12  0.050 / 0.090
G17     59.7           29.7               10.6 +/-    0.41      18.7 +/-    0.41  0.060 / 0.090
G19     42.5           47.2               10.5 +/-    0.69      13.8 +/-    0.69  0.060 / 0.100
G24     267.3          41.4               11.6 +/-    1.19      16.5 +/-    1.19  0.070 / 0.110
G28     123.4          12.9               12.2 +/-    1.72      32.0 +/-    1.72  0.030 / 0.030