PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/24-22:27:50
G10     297.1          51.3               16.7 +/-    1.46      20.7 +/-    1.46  0.040 / 0.050
G14     210.2          13.7               20.4 +/-    1.66      52.5 +/-    1.66  0.040 / 0.050
G15     46.1           28.1               11.7 +/-    1.06      21.3 +/-    1.06  0.080 / 0.150
G18     359.3          66.0               14.5 +/-    0.98      15.7 +/-    0.98  0.070 / 0.180
G20     71.8           17.6               12.4 +/-    1.11      29.0 +/-    1.11  0.080 / 0.140
G21     100.4          72.4               15.0 +/-    0.69      15.6 +/-    0.69  0.080 / 0.140
G24     98.6           26.7               16.1 +/-    0.67      30.2 +/-    0.67  0.130 / 0.510
G27     298.3          35.3               15.9 +/-    0.49      25.0 +/-    0.49  0.190 / 0.710
G32     211.6          29.6               20.4 +/-    1.49      36.1 +/-    1.49  0.080 / 0.230