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[Moon-net] Re: [linrad] Out of band QRM. Worst case ?
For an example of what we have in the UK, his scan was a few years
ago at my QTH:
David Anderson, GM4JJJ E-mail: david@xxxxxxxxxxxx
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On 13 Mar 2004, at 12:10 am, Leif Åsbrink wrote:
> As far as I know there is nothing here in SM but I do know
> there are pagers just below 144 MHz in the UK. It will be
> fairly easy to design filters that make performance limited
> by the mast mounted preamplifier for signals that are more
> than 4 MHz outside the band edges if one wants full sensitivity
> from 144 to 146 MHz. Likewise it would be fairly easy to make
> the system limited by the preamplifier for signals below 142.5
> or above 146 MHz if one wants full sensitivity from 144 to
> 144.5 MHz only.
> My question is: Is there a real need for better than this?
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