
I am using https://www.dxmaps.com/spots/mapg.php?Lan=E&Frec=MUF&ML=M&Map=EU
dx.maps.comb
See MUF ( radar picture of Maximum Usable Frequencie ) and predict posible 50 or 144MHz Sporadic-E QSO, or just folow online cluster information ….
See you on 144MH Sporadic-E.
Usualy started in May, have maximum in June and go on all summer…)

WHAT is soo interesting in this picture?
186MHz MUF ? Try to find why/how is isolated very high MUF posible.
I know the answer!
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Ico
Amateur Radio from 1980.
Member of 9A1CRS Radio Club " Slavonski Brod "
Member of SKCC #12919
Member of KiKi no:95
Working from 1,8 to 1296MHz
Like:DXing , Contesting, Amateurs Satellite, Home Made Antennas:(last job 3el Line Up Quad Antenna for 14MHz (9a2ki LUQA ))
Very proud on my 6 times operating from Velebit mountain ( largest Croatian mountain )
- 5 times in Alpe Adria VHF Contest: peaks: Vučjak 2x, Mali Rajinac, Visočica, Veliki Zavižan
- and one more time on Velebit , try to reach highest peak: Vaganski vrh, but stoped on lower peak Tadića glavica...
See you on the band.
73 de 9a2ki ico
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Is answer “High Frequency Active Auroral Research Program” or HAARP ? 🙂
73 de 9A3ICE
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Yes Ivica Matic!
But probably from some Rusian submarine.
Will try to find pictures from next days…after this one posted…
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