PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/19-22:43:10
G05     48.9           19.3               10.0 +/-    0.82      22.4 +/-    0.82  0.120 / 0.340
G10     237.7          13.1               13.5 +/-    1.96      35.3 +/-    1.96  0.120 / 0.270
G13     74.7           37.3               14.5 +/-    0.41      22.1 +/-    0.41  0.160 / 0.410
G15     123.2          53.3               15.1 +/-    0.69      18.3 +/-    0.69  0.160 / 0.460
G16     314.2          11.8               10.0 +/-    2.03      26.9 +/-    2.03  0.050 / 0.070
G18     247.3          43.1               15.0 +/-    1.10      20.8 +/-    1.10  0.060 / 0.100
G20     31.0           63.4               12.0 +/-    0.53      13.2 +/-    0.53  0.030 / 0.040
G21     315.1          48.8               12.1 +/-    0.94      15.5 +/-    0.94  0.030 / 0.040
G26     287.6          19.6               11.9 +/-    2.01      26.5 +/-    2.01  0.060 / 0.150
G29     156.1          66.8               14.8 +/-    1.10      15.9 +/-    1.10  0.060 / 0.150