PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/25-17:57:50
G02     301.2          80.8               14.0 +/-    0.99      14.2 +/-    0.99  0.080 / 0.160
G05     170.7          25.3               17.2 +/-    2.70      33.3 +/-    2.70  0.070 / 0.180
G06     40.7           45.2               10.7 +/-    0.73      14.4 +/-    0.73  0.090 / 0.180
G12     317.0          66.6               11.7 +/-    1.12      12.7 +/-    1.12  0.100 / 0.170
G17     83.7           11.8               13.6 +/-    2.77      36.5 +/-    2.77  0.030 / 0.040
G19     72.1           28.5               12.7 +/-    0.58      23.0 +/-    0.58  0.030 / 0.040
G24     234.0          26.6               16.1 +/-    3.27      30.4 +/-    3.27  0.140 / 0.330
G25     317.6          28.4               11.6 +/-    1.10      21.0 +/-    1.10  0.110 / 0.350