[Elecraft] K3: very quiet on CW

Phil Wheeler w7ox at socal.rr.com
Sat Nov 19 14:11:14 EST 2016


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
> 
> ___________________________________________________


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