[Elecraft] Subreceiver

[d.cutter at ntlworld.com]

When buying new filters, can one specify the offset required?

David
G3UNA

---- Bill W4ZV <btippett at alum.mit.edu> wrote: 
> 

> > 
> > 
> 
> It depends on how much you plan to use it in contests.  If you are a
> *serious* SSB/CW contester who plans to use a KRX3 during contests, you
> probably need both the 1.8 and 0.5.  If not, you don't need extra filters. 
> If you do plan to add a 500 to the KRX3 for diversity use, you should note
> the offset of your existing 0.5 and attempt to get one close to it.  It's
> not critical that 500 offsets be perfectly matched...just within ~50 Hz and
> then set the common offset to the approximate midpoint.  
> 
> BTW my 200 in Main and 500 in Sub differ by 130 Hz in offset, yet I notice
> no beating when using that combination.  However my case may be unique and
> you should always use matched offsets for identical filters.
> 
> Beware...once you use true diversity, you will never want another rig
> without it!
> 
> 73,  Bill
>