PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/30-22:27:50
G05     54.1           9.8                11.1 +/-    2.04      31.1 +/-    2.04  0.090 / 0.300
G10     247.0          22.6               17.0 +/-    2.44      35.1 +/-    2.44  0.100 / 0.290
G13     59.2           33.7               14.2 +/-    1.70      23.1 +/-    1.70  0.040 / 0.040
G15     97.5           58.0               15.7 +/-    0.33      18.1 +/-    0.33  0.030 / 0.040
G16     302.6          14.1               10.4 +/-    2.73      26.5 +/-    2.73  0.220 / 0.240
G18     262.5          52.8               15.1 +/-    1.70      18.5 +/-    1.70  0.120 / 0.240
G20     40.2           51.6               13.1 +/-    0.62      16.2 +/-    0.62  0.050 / 0.090
G21     329.0          57.8               13.3 +/-    0.79      15.4 +/-    0.79  0.060 / 0.140
G26     274.9          16.8               14.0 +/-    3.27      33.3 +/-    3.27  0.300 / 0.420
G29     162.0          51.5               15.0 +/-    0.49      18.5 +/-    0.49  0.080 / 0.350