VOLMET on 5450 kHz 20171208T1734ZBelow are time-differences for a VOLMET signal using USB modulation. The cross-correlation peaks are not very sharp due to the limited bandwidth. For the cross-correlations, intervals of 1 seconds have been used.
|time-differences for 5450 kHz 20171208T1734Z (VOLMET)|
The resulting TDoA maps look like this:
|TDoA for 5450 kHz 20171208T1734Z (VOLMET)|
Note that all these results are biased by ionospheric propagation delays and many other sources of systematic errors.