This map of 29-June-2005 covers
from 15:20z to 14:34z. MUF was a little above
144 MHz (max. 154 MHz) between southern Spain/Portugal and The Brithish
Isles/Belgium/The Netherlands, thanks to a cloud above the Atlantic, near the
northen coast of Spain (as so often seems to happen). The opening was
inconsistent and only a few QSO were made.
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This map shows the evolution, size and MUF of the sporadic-E cloud
that caused the opening on 144 MHz. and it is an estimation based on the
information I have picked up here and there of QSO and reports of European
stations and basically from DX-spots collected by DXMAPS. I don't claim it to be accurate but just an estimation that could help
understand what happened that day.
Also please notice that sometimes you will see MUF rise very
quickly. This is because of the almost complete lack of data for
frequencies between 51 and 144 MHz. that leads to shown MUF rising almost 90
MHz in one minute. You should understand that this is not the usual
behaviour of MUF, but the result of that lack of data.
You can help develop these maps!.
After the openings, please send me your logs of 50, 70 and 144 MHz QSO
via sporadic-E (Much preferably in ADIF format)
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