PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-22:27:50
G05     49.6           18.0                9.2 +/-    0.90      21.3 +/-    0.90  0.040 / 0.050
G10     239.0          14.6               18.4 +/-    1.90      46.3 +/-    1.90  0.050 / 0.070
G13     72.2           37.1               12.1 +/-    0.61      18.5 +/-    0.61  0.170 / 0.250
G15     119.5          54.4               14.9 +/-    0.83      17.9 +/-    0.83  0.120 / 0.240
G16     312.6          12.3               10.2 +/-    1.80      27.1 +/-    1.80  0.200 / 0.280
G18     249.4          44.8               14.3 +/-    1.90      19.3 +/-    1.90  0.110 / 0.180
G20     32.4           61.6               13.2 +/-    0.38      14.7 +/-    0.38  0.050 / 0.150
G21     317.2          50.2               12.8 +/-    1.28      16.1 +/-    1.28  0.050 / 0.160
G26     285.8          19.3               11.9 +/-    1.95      26.7 +/-    1.95  0.030 / 0.040
G29     157.2          64.3               14.5 +/-    1.03      15.9 +/-    1.03  0.040 / 0.040