PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-22:58:00
G10     280.6          44.7               13.1 +/-    1.03      17.7 +/-    1.03  0.060 / 0.050
G13     38.4           10.4               10.7 +/-    1.99      29.6 +/-    1.99  0.070 / 0.040
G15     50.1           39.4               13.3 +/-    0.78      19.5 +/-    0.78  0.160 / 0.190
G18     328.8          66.8               13.2 +/-    0.32      14.3 +/-    0.32  0.130 / 0.210
G20     63.3           25.5               13.0 +/-    1.25      25.2 +/-    1.25  0.040 / 0.040
G21     50.5           76.9               13.8 +/-    0.82      14.1 +/-    0.82  0.040 / 0.040
G24     111.0          20.8               14.9 +/-    1.86      32.1 +/-    1.86  0.080 / 0.100
G27     310.1          28.9               12.0 +/-    1.02      21.6 +/-    1.02  0.110 / 0.110
G29     167.1          15.5               15.3 +/-    1.58      37.5 +/-    1.58  0.110 / 0.120
G32     207.4          18.3               17.1 +/-    2.00      39.1 +/-    2.00  0.070 / 0.140