[Elecraft] K3 sub-receiver usefulness?

[Jon K Hellan]

James Sarte wrote:

> On a separate note, apart from diversity receive, I’m curious to know 
> how other people are utilizing their sub receiver?  The reason I ask is 
> I’m finalizing my purchase of a K3, and am trying to determine whether 
> it’s necessary to fully load up both receivers now.  At this point, I’m 
> ready to purchase 2 general coverage modules plus 2 each of the 
> following filters: 250KHz, 400KHz, 2.8Khz, 6KHz, 13KHz.  I’d like to 
> have the ability to monitor PSK31, FM or SW broadcast on the sub, while 
> monitoring phone or engaging in a phone QSO on the main; both receivers 
> being on separate bands.  That’s just one example.  Another could be to 
> monitor SW broadcast on the main while listening to 10m FM on the sub.  
> Do I need to install the AM or FM filters in the sub to monitor SW or FM 
> or can the sub’s DSP take care of it?

Will you ever be monitoring two broadcasts at the same time, or FM and broadcast at the same time?
If not, one each of general coverage and FM should suffice.

Personally, I don't have a subreceiver (yet?), no general coverage, and my widest filter is the stock SSB one.

73
Jon LA4RT, Trondheim, Norway