PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-21:13:10
G10     280.2          46.2               10.9 +/-    1.06      14.5 +/-    1.06  0.050 / 0.040
G15     50.9           41.0                7.4 +/-    0.76      10.6 +/-    0.76  0.050 / 0.040
G20     322.2          64.2                8.5 +/-    0.52       9.4 +/-    0.52  0.070 / 0.160
G21     35.2           76.6               11.0 +/-    0.63      11.3 +/-    0.63  0.080 / 0.140
G24     112.6          20.2               12.0 +/-    0.91      26.2 +/-    0.91  0.040 / 0.050
G27     313.0          26.5               10.2 +/-    0.61      19.3 +/-    0.61  0.040 / 0.060
G29     168.1          20.7               11.0 +/-    1.40      23.7 +/-    1.40  0.060 / 0.060
G32     205.8          19.0               13.8 +/-    1.93      31.0 +/-    1.93  0.060 / 0.080