PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-19:12:30
G10     256.6          33.0               13.1 +/-    1.99      21.6 +/-    1.99  0.060 / 0.050
G13     47.6           24.6               11.8 +/-    2.17      23.3 +/-    2.17  0.050 / 0.050
G15     73.6           55.3               12.0 +/-    0.98      14.3 +/-    0.98  0.070 / 0.170
G16     288.6          15.3                8.8 +/-    1.76      21.7 +/-    1.76  0.080 / 0.230
G20     281.2          55.9               13.3 +/-    2.21      15.7 +/-    2.21  0.040 / 0.040
G21     342.2          64.1               12.4 +/-    1.07      13.7 +/-    1.07  0.040 / 0.040
G26     262.0          12.8               12.6 +/-    1.61      33.2 +/-    1.61  0.160 / 0.610
G29     165.5          43.5               14.5 +/-    0.73      20.0 +/-    0.73  0.150 / 0.670