This afternoon I left the WSPR beacon running on 10m. Although the band was quiet, there was a weak trace that appeared and then faded out. It turned out to be G3JKV some 123kms away by tropo. On the stronger traces around 1422z you can see additional Doppler shifted lines as a result of aircraft reflection.
9 Sept 2009
10m WSPR (inter-G)
This afternoon I left the WSPR beacon running on 10m. Although the band was quiet, there was a weak trace that appeared and then faded out. It turned out to be G3JKV some 123kms away by tropo. On the stronger traces around 1422z you can see additional Doppler shifted lines as a result of aircraft reflection.
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