[K3] SN 00128 and comments on DSP version 1.45

[g4zfe]

I am pleased to say that K3 serial number 128 is built and working. The
build process took a little longer than expected (10 hours) but as this
was my first Elecraft kit I progressed slowly and surely. No major
issues were encountered and the radio worked first time. I have a few
photos of the build process and some comments on the radio at

http://www.g4zfe.com/K3.html

The wait was long but worth it.I am most impressed by the selectivity
and look forward to using the K3 in a contest.

I started off with DSP version 1.43 and I was very impressed by the
Noise Reduction facility as I live in an electrically noisy suburban
area. The NR made listening so much easier on the ears although care was
needed as too high a NR value would result in weaker CW stations not
being heard at all! I have now upgraded to DSP version 1.45 (plus MCU
1.48) and the NR feature seems to not work as well. I have tried the
higher settings (3 and 4) of all NR 4 modes in CW and the noise
reduction doesn't seem to be working as well as before. Has anyone else
noticed this?

73 de Rich, G4ZFE

K3/100 #128



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[KK7P]

> ...the noise
> reduction doesn't seem to be working as well as before. Has anyone else
> noticed this?

Yes.

The filed test group is currently testing a new code release that
addresses this, and adds... oops, I shouldn't say that yet!

73,

Lyle KK7P

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[Thom LaCosta]

On Thu, 13 Dec 2007, Lyle Johnson wrote:

>> ...the noise reduction doesn't seem to be working as well as before. Has
>> anyone else noticed this?
>
> Yes.
>
> The filed test group is currently testing a new code release that addresses
> this, and adds... oops, I shouldn't say that yet!

I haven't gotten my K3 yet, so haven't tried to update....but it appears the
download page doesn't say what's new/deleted in a firmware version.

Is that information part of the upgrade? In another File?

Thom,EIEIO
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[KK7P]

> I haven't gotten my K3 yet, so haven't tried to update....but it appears
> the download page doesn't say what's new/deleted in a firmware version.
>
> Is that information part of the upgrade? In another File?

With each firmware release there is a notes file that is fetched and
displayed by the K3 Utility when new firmware is seen by the program.
It can also be viewed at any time from the Utility by selecting

        Help ->K3 Firmware Release Notes...

73,

Lyle KK7P

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[Thom LaCosta]

>
> With each firmware release there is a notes file that is fetched and
> displayed by the K3 Utility when new firmware is seen by the program. It can
> also be viewed at any time from the Utility by selecting

Thanks...I found the download page....and I think that the same information is
contained in the RTF files?

Thom,EIEIO
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[KK7P]

> Thanks...I found the download page....and I think that the same
> information is contained in the RTF files?

It *is* the info in one of the RTF files.

Lyle

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[Vic K2VCO]

Richard Everitt wrote:

> I have now upgraded to DSP version 1.45 (plus MCU
> 1.48) and the NR feature seems to not work as well. I have tried the
> higher settings (3 and 4) of all NR 4 modes in CW and the noise
> reduction doesn't seem to be working as well as before. Has anyone else
> noticed this?

It's true, but very shortly a new version of the firmware will be
released. It is presently in beta testing (I don't think Elecraft will
object to my saying this) and in my opinion has returned the NR function
to all of its former glory.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
K3 no. 00007
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[Dick Dievendorff]

Firmware authors update hfwnotes.rtf periodically.  As firmware is made
available to the Elecraft file server, an updated hfwnotes.rtf file is
copied to the K3/firmware directory on Elecraft's FTP server, the same
directory as the firmware files.

The K3 Utility copies hfwnotes.rtf from the Elecraft file server to your
"firmware folder" whenever any firmware files are transferred.  The K3
Utility Help menu Firmware Release Notes function displays the hfwnotes.rtf
that is in your firmware folder.

Dick, K6KR

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Lyle Johnson
Sent: Thursday, December 13, 2007 3:01 PM
To: Thom LaCosta
Cc: [hidden email]
Subject: Re: [Elecraft] [K3] SN 00128 and comments on DSP version 1.45

> Thanks...I found the download page....and I think that the same
> information is contained in the RTF files?

It *is* the info in one of the RTF files.

Lyle

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[g4zfe]

Lyle Johnson wrote:

>> ...the noise reduction doesn't seem to be working as well as before.
>> Has anyone else noticed this?
>
> Yes.
>
> The filed test group is currently testing a new code release that
> addresses this, and adds... oops, I shouldn't say that yet!
>
> 73,
>
> Lyle KK7P
>
>

Hi Lyle,

Thank you for the reply. I am pleased to report that Noise Reduction in
DSP 1.46 is back to as it was. It is very useful in my noisy urban
environment.

I also spend time as a BC SWL so I was pleased to see AM in the latest
firmware.  I assume that synchronous AM will be arriving later

Thanks for the all the work on the frequent firmware updates.

73 de Rich, G4ZFE

K3 #128


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