PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-17:13:00
G02     58.3           33.8                8.8 +/-    0.86      14.3 +/-    0.86  0.050 / 0.080
G05     65.0           65.9               10.0 +/-    0.61      10.9 +/-    0.61  0.050 / 0.090
G12     186.2          35.2               11.6 +/-    1.27      18.4 +/-    1.27  0.040 / 0.070
G13     131.3          13.8               11.7 +/-    3.29      29.9 +/-    3.29  0.070 / 0.090
G15     164.5          10.6                1.9 +/-   34.06       5.3 +/-   34.06  0.030 / 0.040
G20     206.8          57.7               13.0 +/-    1.20      15.1 +/-    1.20  0.030 / 0.030
G21     270.3          18.0               10.6 +/-    2.88      24.6 +/-    2.88  0.090 / 0.300
G25     236.0          52.8               11.4 +/-    0.96      14.0 +/-    0.96  0.120 / 0.270
G29     331.4          57.6                8.4 +/-    0.75       9.7 +/-    0.75  0.040 / 0.060