PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-20:58:00
G10     280.5          46.3               11.3 +/-    1.12      15.0 +/-    1.12  0.080 / 0.140
G15     50.9           41.0                9.9 +/-    0.76      14.2 +/-    0.76  0.080 / 0.140
G20     322.9          64.3                9.2 +/-    0.82      10.1 +/-    0.82  0.060 / 0.050
G21     36.0           76.7               11.9 +/-    0.48      12.2 +/-    0.48  0.070 / 0.060
G24     112.5          20.3               11.8 +/-    1.07      25.7 +/-    1.07  0.040 / 0.060
G27     312.8          26.6               10.9 +/-    2.44      20.6 +/-    2.44  0.050 / 0.050
G29     168.1          20.6               12.6 +/-    1.99      27.2 +/-    1.99  0.110 / 0.440
G32     205.8          19.3               14.7 +/-    5.03      32.9 +/-    5.03  0.150 / 0.330