PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-12:43:00
G01     125.9          12.4               -6.2 +/-   17.28     -16.4 +/-   17.28  0.110 / 0.260
G07     63.4           67.4               32.8 +/-   17.86      35.2 +/-   17.86  0.050 / 0.030
G08     48.9           36.8              -11.3 +/-   13.78     -17.3 +/-   13.78  0.040 / 0.030
G11     114.0          34.7               18.9 +/-   12.48      30.1 +/-   12.48  0.030 / 0.030
G13     321.6          10.7               -5.4 +/-   12.77     -14.9 +/-   12.77  0.030 / 0.030
G17     199.3          18.3                3.2 +/-    2.00       7.3 +/-    2.00  0.210 / 0.280
G28     278.5          53.5              -62.2 +/-   48.19     -75.3 +/-   48.19  0.150 / 0.280
G30     331.8          59.5              -11.3 +/-    9.22     -12.9 +/-    9.22  0.170 / 0.330