PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/25-00:58:10
G10     246.8          22.5               15.0 +/-    2.07      31.1 +/-    2.07  0.110 / 0.210
G13     59.0           33.5                9.1 +/-    1.27      14.9 +/-    1.27  0.120 / 0.170
G15     101.1          58.5               11.4 +/-    0.66      13.1 +/-    0.66  0.130 / 0.260
G16     301.5          14.6                6.4 +/-    2.58      16.1 +/-    2.58  0.110 / 0.230
G18     261.5          51.7               10.7 +/-    1.15      13.2 +/-    1.15  0.050 / 0.060
G20     40.7           51.1                8.8 +/-    0.36      11.0 +/-    0.36  0.040 / 0.060
G21     327.6          57.0               10.1 +/-    0.80      11.8 +/-    0.80  0.040 / 0.050
G26     273.7          17.1               10.8 +/-    2.79      25.4 +/-    2.79  0.030 / 0.050
G29     162.9          53.1               12.6 +/-    0.55      15.3 +/-    0.55  0.040 / 0.060