PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/23-16:13:10
G05     50.0           15.0                8.2 +/-    1.33      20.3 +/-    1.33  0.150 / 0.150
G10     238.5          14.2               11.2 +/-    1.23      28.4 +/-    1.23  0.090 / 0.280
G13     72.7           36.9                9.9 +/-    0.68      15.2 +/-    0.68  0.040 / 0.050
G15     116.3          54.2               10.6 +/-    0.65      12.8 +/-    0.65  0.050 / 0.060
G16     315.7          10.5               -5.3 +/-   11.69     -14.6 +/-   11.69  0.030 / 0.040
G18     249.7          46.4               12.2 +/-    4.19      16.1 +/-    4.19  0.040 / 0.030
G20     28.2           64.9                9.1 +/-    0.45       9.9 +/-    0.45  0.090 / 0.170
G21     320.4          52.7                9.3 +/-    0.53      11.4 +/-    0.53  0.100 / 0.180
G26     287.3          19.1                9.6 +/-    1.74      21.6 +/-    1.74  0.140 / 0.270
G29     155.0          62.6               10.8 +/-    0.61      12.0 +/-    0.61  0.040 / 0.080