PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-21:57:50
G08     314.7          16.2               12.8 +/-    2.58      30.9 +/-    2.58  0.040 / 0.070
G10     316.5          56.8               14.2 +/-    0.80      16.7 +/-    0.80  0.040 / 0.070
G14     214.5          25.0               20.3 +/-    1.22      39.7 +/-    1.22  0.080 / 0.110
G15     45.7           17.0               12.1 +/-    0.75      28.7 +/-    0.75  0.060 / 0.130
G18     25.7           62.3               14.2 +/-    0.70      15.8 +/-    0.70  0.040 / 0.050
G20     80.5           10.2               12.4 +/-    2.98      34.4 +/-    2.98  0.050 / 0.050
G21     125.3          61.9               16.2 +/-    0.68      18.1 +/-    0.68  0.060 / 0.080
G24     84.6           30.2               16.0 +/-    0.87      27.8 +/-    0.87  0.050 / 0.080
G27     283.1          38.1               15.2 +/-    1.11      22.8 +/-    1.11  0.080 / 0.280
G32     218.0          41.4               18.9 +/-    1.18      26.9 +/-    1.18  0.100 / 0.260