PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/22-22:42:40
G05     50.8           15.4                9.6 +/-    0.98      23.6 +/-    0.98  0.090 / 0.300
G10     241.1          16.8               16.6 +/-    1.82      39.5 +/-    1.82  0.110 / 0.320
G13     68.3           36.4               12.3 +/-    0.57      19.0 +/-    0.57  0.030 / 0.050
G15     114.2          55.9               14.8 +/-    0.46      17.5 +/-    0.46  0.030 / 0.040
G16     309.8          13.1               11.0 +/-    1.15      28.7 +/-    1.15  0.030 / 0.080
G18     252.7          47.0               13.9 +/-    1.08      18.2 +/-    1.08  0.040 / 0.070
G20     34.8           58.7               12.7 +/-    0.22      14.6 +/-    0.22  0.090 / 0.290
G21     320.2          52.2               13.8 +/-    1.76      16.9 +/-    1.76  0.090 / 0.260
G26     282.6          18.8               11.4 +/-    2.11      25.9 +/-    2.11  0.060 / 0.120
G29     158.9          60.9               15.5 +/-    1.22      17.4 +/-    1.22  0.060 / 0.120