PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-20:43:10
G08     318.1          13.2               17.3 +/-    2.07      44.8 +/-    2.07  0.060 / 0.100
G10     318.8          58.0               20.7 +/-    0.78      24.0 +/-    0.78  0.060 / 0.100
G14     213.9          19.8               27.9 +/-    2.46      61.6 +/-    2.46  0.040 / 0.050
G15     45.8           17.4               14.9 +/-    0.97      35.0 +/-    0.97  0.040 / 0.060
G20     22.8           62.7               16.8 +/-    0.43      18.7 +/-    0.43  0.150 / 0.500
G21     122.8          66.0               20.5 +/-    0.67      22.2 +/-    0.67  0.140 / 0.450
G24     86.0           30.1               18.7 +/-    0.94      32.7 +/-    0.94  0.130 / 0.310
G27     286.8          37.8               19.8 +/-    1.51      29.9 +/-    1.51  0.130 / 0.330
G32     215.9          44.3               26.9 +/-    1.62      36.6 +/-    1.62  0.100 / 0.130