PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/22-17:13:10
G10     258.6          32.1               14.9 +/-    1.09      24.9 +/-    1.09  0.100 / 0.210
G13     47.2           25.5               12.8 +/-    1.98      24.8 +/-    1.98  0.080 / 0.190
G15     68.7           53.1               14.6 +/-    0.39      17.8 +/-    0.39  0.040 / 0.040
G16     292.3          12.8               11.6 +/-    1.29      30.3 +/-    1.29  0.030 / 0.040
G18     286.5          62.2               14.1 +/-    1.09      15.7 +/-    1.09  0.250 / 0.350
G20     47.8           42.9               13.5 +/-    1.09      18.8 +/-    1.09  0.290 / 0.320
G21     356.1          69.0               14.4 +/-    0.65      15.3 +/-    0.65  0.060 / 0.060
G26     263.0          11.6               14.0 +/-    2.44      37.6 +/-    2.44  0.050 / 0.060
G27     321.0          13.6               11.8 +/-    1.72      30.3 +/-    1.72  0.160 / 0.150
G29     164.4          34.7               16.6 +/-    0.77      26.5 +/-    0.77  0.180 / 0.150