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 <[email protected]> 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:[email protected]] On Behalf Of
> [email protected]
> Sent: Saturday, November 19, 2016 1:17 PM
> To: Bill
> Cc: [email protected]
> 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" <[email protected]>
> To: <[email protected]>
> 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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