LF: Fluctuating background noise

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LF: Fluctuating background noise

from [Dick Rollema]

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To:	"LF-Group" <[email protected]>
Subject:	LF: Fluctuating background noise
From:	"Dick Rollema" <[email protected]>
Date:	Sun, 01 Feb 2004 15:13:35 +0100
Reply-to:	[email protected]
Sender:	<[email protected]>

To All from PA0SE,

When looking for VO1NA using SPECTRAN I noticed that at some moments the background noise more or less suddenly decreased and then Joe's signal became visible. The low noise leven was restricted to a narrow band of a few Hertz wide.
Has this been observed by others?
Because it occurred in such a narrow frequency band I think it may be caused by selective fading within the noise spectrum. And if so may we conclude that the noise arrived via space wave?
Hw?

73, Dick, PA0SE

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