Agreed (but not "meaningless)!
The additional narrow cw filters clearly provide a BIG improvement over the
wider SSB Filters(e.g., the 400 HZ filter shows a 16 db improvement in 3IMDDR
and 35 db improvement in BDR over the stock 2700 Hz SSB Filters). Meaning it
"is" very helpful to cw operators to know how the radio performs with the more
narrow cw filters. The ARRL Table in the K3 2009 review shows the figures.
Can't tell how the rig would have tested if the DSP was narrowed to, say, 400
HZ while using the wider SSB filter....
Bob/AA6VB
From: Bill Breeden <breede...@cableone.net>
To: elecraft@mailman.qth.net
Sent: Sunday, July 26, 2015 2:02 PM
Subject: Re: [Elecraft] 200 Hz 5-pole filter
Since Sherwood's Dynamic Range Narrow Spaced measurement is of great
interest to CW operators, it only makes sense to make the measurement
using a CW filter, optional or not. The measurement would be
meaningless to CW operators if made using the stock sideband filter.
73,
Bill - NA5DX
On 7/25/2015 1:47 PM, elecraft-requ...@mailman.qth.net wrote:
> Message: 27
> Date: Sat, 25 Jul 2015 11:04:20 -0700 (MST)
> From: XE3/K5ENS via Elecraft<elecraft@mailman.qth.net>
> To:elecraft@mailman.qth.net
> Subject: Re: [Elecraft] 200 Hz 5-pole filter
> Message-ID:<1437847460881-7605322.p...@n2.nabble.com>
> Content-Type: text/plain; charset=us-ascii
>
> Apples and oranges.
>
> The K3 is still no 2 with the 200 Hz 5-pole filter. You just can no longer
> buy the radio with that filter.
>
> I have always found it a little strange that Sherwood never stated that
> the filters used in his test were optional on the K3?
>
> If the K3 was tested with the stock filter it may make it into the top 10.
>
> Don't get me wrong I have a K3S on order. I'm just looking at the data
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