LF: Re: Re: 500kHz qrg range

["DENNIS EASTERLING" <dennis.easterling@btinternet.com>]

Hi Jim

I think your suggestion to widen rx band a good idea.

73 Dennis M0JXM  (Not the Dennis you had in mind I guess)


----- Original Message ----- 
From: "James Moritz" <james.moritz@btopenworld.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Tuesday, August 18, 2009 10:12 PM
Subject: LF: Re: 500kHz qrg range


> Dear Dennis, LF Group,
>
> > So I ask myself and now You :) , would You say it's important to keep the 
> > full rx range from 495kHz to 510kHz and >pay the price of a worse 
> > stopband attenuation, or do You think, it's unlikely to hear any 
> > transmission at the band corners?
> Certainly some of the US stations were operating beacons above 507kHz last 
> winter, so I would make the upper cut-off frequency 510k or above - it 
> would very frustrating if you could not receive signals because your own 
> preselector rejected them! If you need better stopband rejection, you 
> could add an extra resonator to the filter.
> Cheers, Jim Moritz
> 73 de M0BMU