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6by EGELAND,ALV“... transmitter stations (Kemi on 92.8 mc, Ylivieska on 94.0 mc and Jyvaskyla on 92.2 mc was investigated...”
Published 1961
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7“...OBLIQUE AURORAL ECHOES AT 92.8 Mc from the Kemi FM-transmitter station, situated 310 km south...”
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8by Egeland,Alv“...-transmitter in Ostersund (87.9 Mc/s) and the Finnish one in Kemi (92.8 Mc/s) were recorded simultaneously...”
Published 1961
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