PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-17:57:30
G02     313.5          80.6               13.9 +/-    0.60      14.0 +/-    0.60  0.030 / 0.040
G05     170.1          27.0               14.7 +/-    1.33      27.5 +/-    1.33  0.030 / 0.040
G06     41.1           43.4               11.7 +/-    0.83      16.1 +/-    0.83  0.100 / 0.130
G12     315.1          68.5               11.5 +/-    0.89      12.2 +/-    0.89  0.070 / 0.130
G17     85.2           10.8               13.3 +/-    2.57      36.6 +/-    2.57  0.090 / 0.150
G19     73.7           27.4               13.0 +/-    0.97      24.1 +/-    0.97  0.080 / 0.170
G24     232.4          25.4               15.5 +/-    0.86      30.0 +/-    0.86  0.050 / 0.110
G25     317.4          30.1               12.2 +/-    2.64      21.4 +/-    2.64  0.060 / 0.110