PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/23-00:43:10
G10     297.6          51.4               14.7 +/-    1.29      18.3 +/-    1.29  0.080 / 0.130
G14     210.3          14.3               18.6 +/-    2.18      47.2 +/-    2.18  0.060 / 0.120
G15     46.2           28.9               10.9 +/-    0.40      19.6 +/-    0.40  0.110 / 0.610
G18     358.1          66.0               12.9 +/-    1.20      14.0 +/-    1.20  0.220 / 0.710
G20     72.4           16.5               11.1 +/-    0.89      26.6 +/-    0.89  0.040 / 0.050
G21     99.8           73.1               15.8 +/-    0.80      16.4 +/-    0.80  0.040 / 0.040
G24     98.1           26.8               15.9 +/-    0.59      29.9 +/-    0.59  0.110 / 0.110
G27     297.7          35.5               14.1 +/-    0.73      22.2 +/-    0.73  0.080 / 0.110
G32     211.6          31.3               17.0 +/-    1.27      29.0 +/-    1.27  0.180 / 0.330