PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-21:58:00
G10     286.9          48.9               10.6 +/-    1.21      13.6 +/-    1.21  0.050 / 0.040
G15     48.4           36.2                8.8 +/-    0.91      13.6 +/-    0.91  0.040 / 0.040
G20     333.7          65.0                9.2 +/-    0.51      10.0 +/-    0.51  0.080 / 0.120
G21     58.2           77.3               11.6 +/-    0.39      11.9 +/-    0.39  0.080 / 0.120
G24     107.7          22.9               12.7 +/-    2.30      26.1 +/-    2.30  0.110 / 0.210
G27     309.1          29.7               10.7 +/-    1.47      18.8 +/-    1.47  0.110 / 0.230
G29     168.0          15.6               15.1 +/-    1.45      37.0 +/-    1.45  0.040 / 0.080
G32     207.2          23.7               15.8 +/-    2.14      31.9 +/-    2.14  0.040 / 0.080