[Elecraft] K3 BC Reception

Joe Subich, W4TV lists at subich.com
Sun Aug 2 17:42:53 EDT 2009


Before we get synchronous AM receive we need the ability to 
transmit AM and ESSB using the FM (13 KHz) filter.  That would 
avoid the need to tie up two slots with both the FM (13 KHz) 
and AM (6 KHz) filters.  I've checked both AM transmit through 
the 13 KHz filter (calling in 6 KHz in the filter configuration) 
using the SDR-IQ as a spectrum analyzer and receive (with AGC 
off) 30 KHz away from a 50 KW (daytime) AM station only two 
miles from me and there are no detectable transmit or receive 
image issues. 

73, 

   ... Joe, W4TV 
 


> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net 
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Grant Youngman
> Sent: Sunday, August 02, 2009 3:25 PM
> To: Elecraft Reflector
> Subject: Re: [Elecraft] K3 BC Reception
> 
> 
> What we really need for SWBC (and ham AM) is the long 
> promised and as  
> yet undelivered SAM detector.  Perhaps if enough people ask 
> for it it  
> will eventually make it to the lower priority feature list 
> applicable  
> to the non-contest user group.  I'm getting a bit concerned that the  
> next version of the manual will just delete all references 
> and make it  
> go away.  I haven't heard any rumors about it being a part of the  
> coming firmware update ... so I guess it is still just in the 
> dregs at  
> the bottom of the bucket  :-(
> 
> 
> Grant/NQ5T
> 
> 
> On Aug 2, 2009, at 1:48 PM, N5GE wrote:
> 
> > Michael M. Raskin wrote:
> >> Just curious:  is anyone using the KBPF3 (general coverage receive
> >> module) in BOTH main and sub-receivers for diversity reception?
> >>
> >> Mike, W4UM
> >>
> > [snip]
> >
> > Yes, It works quite well.  I've been using an 80m f/w loop here.
> >
> > Tom, N5GE
> >
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