[Elecraft] K3: very quiet on CW

[Ken Arck]

Only if the bandwidth is narrower

(all things being equal, there is no difference in noise floor 
between SSB and CW if the bandwidth is identical)

Ken


At 11:11 AM 11/19/2016, Phil Wheeler wrote:
>CW or maybe it's just because CW is quieter than SSB?
>
>Phil W7OX-- Sent from my iPhone 5S
>
> > On Nov 19, 2016, at 10:59, Dale Parfitt <parinc1 at frontier.com> wrote:
> >
> > I don't understand the term quiet in this instance because at HF our noise
> > floor is limited by manmade, atmospheric and galactic noise. If your noise
> > floor does not increase when you connect the antenna, something is likely
> > set very wrong.
> >
> > Dale W4OP
> >
> > -----Original Message-----
> > From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of
> > Kbeckman at wi.rr.com
> > Sent: Saturday, November 19, 2016 1:17 PM
> > To: Bill
> > Cc: elecraft at mailman.qth.net
> > Subject: Re: [Elecraft] K3: very quiet on CW
> >
> > Welcome to the K3 on CW!
> >
> > Yes, it is that quiet!!  Try a KX3 it is even quieter!!!
> >
> > This radio opened a new world for me on CW a few years ago.
> >
> > Even though you don't have the CW filter, you can still utilize the filters
> > you have, and DSP filtering to narrow your bandwidth down to 50 Hz.
> >
> > Your K3 is an amazing rig.
> >
> > Keith
> > K9GL
> >
> > ----- Original Message -----
> > From: "Bill" <w2blc at nycap.rr.com>
> > To: <elecraft at mailman.qth.net>
> > Sent: Saturday, November 19, 2016 11:33 AM
> > Subject: [Elecraft] K3: very quiet on CW
> >
> >
> > I have not used my K3 for CW, so I have no experience with it. So, a
> > couple of days ago I decided to give it a try, after all - winter is
> > coming.
> >
> > When I switched to CW mode - things got deathly quiet. Quiet as in all
> > the background noise vanished - along with most of the signals. I could
> > see them unchanged on the P3 - but, had to turn up the audio gain to
> > hear them. With the audio gain up, I could hear everything that my other
> > rigs were hearing - except no background noise. Compared to my past
> > experience - this is not normal.
> >
> > I am using a K3 set up for SSB and only having the 2.7. 2.1, and 6 kc
> > filters. Some ACG changes have been made to afford improved arm chair
> > copy on 75 and 40 meters.
> >
> > My question: Have I been missing out on using the quietest CW rig ever
> > made or is there something wrong with my receiver? It just seems too quiet.
> >
> > Thanks,
> >
> > Bill W2BLC K-Line
> >
> > ___________________________________________________
>______________________________________________________________
>Elecraft mailing list
>Home: http://mailman.qth.net/mailman/listinfo/elecraft
>Help: http://mailman.qth.net/mmfaq.htm
>Post: mailto:Elecraft at mailman.qth.net
>
>This list hosted by: http://www.qsl.net
>Please help support this email list: http://www.qsl.net/donate.html
>Message delivered to ken at arcomcontrollers.com

------------------------------------------------------------------------------
President and CTO - Arcom Communications
Makers of repeater controllers and accessories.
http://www.arcomcontrollers.com/
Authorized Dealers for Kenwood and Telewave and
we offer complete repeater packages!
AH6LE/R - IRLP Node 3000
http://www.irlp.net
"We don't just make 'em. We use 'em!"