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LF: Re: Tree noise

To: [email protected]
Subject: LF: Re: Tree noise
From: "Dave Sergeant" <[email protected]>
Date: Thu, 20 Aug 2009 15:49:14 +0100
In-reply-to: <[email protected]>
References: <[email protected]>, <4D0A429582694836812C0FB6FDCADEDD@mjusamsung>, <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
On 20 Aug 2009 at 16:19, Dennis wrote:

> Think, some or several of my neighbours are using powerline
> communication systems.

However bad a system Powerline is, it does NOT generate noise at 
500kHz. It occupies 2-28MHz more or less with most of the devices 
having very deep notches in the amateur bands.

Wideband QRM like yours is far more likely to be switch mode psus (eg 
unfiltered PC supplies) or low energy lightbulbs.

73 Dave G3YMC

http://www.davesergeant.com



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