PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/26-18:43:10
G10     250.4          25.7               21.3 +/-    3.04      41.0 +/-    3.04  0.050 / 0.070
G13     54.8           31.3               15.6 +/-    0.52      26.6 +/-    0.52  0.040 / 0.060
G15     85.7           57.0               15.4 +/-    0.96      18.0 +/-    0.96  0.150 / 0.320
G16     301.2          13.3               10.1 +/-    2.25      26.2 +/-    2.25  0.150 / 0.350
G18     269.8          56.7               16.8 +/-    1.05      19.7 +/-    1.05  0.050 / 0.050
G20     41.9           49.6               13.1 +/-    0.69      16.6 +/-    0.69  0.040 / 0.050
G21     337.6          62.2               14.5 +/-    0.49      16.1 +/-    0.49  0.150 / 0.430
G26     272.9          15.2               16.6 +/-    1.84      41.0 +/-    1.84  0.140 / 0.440
G29     161.9          44.0               18.9 +/-    1.06      25.9 +/-    1.06  0.050 / 0.130