Contest this weekendw

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Contest this weekendw

Paul Gates, KD3JF
Can anyone tell me where I can find the rules for the SS
for this weekend?
Paul, KD3JF
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Re: Contest this weekendw

Mark J. Schreiner
Rules should be available on the ARRL website since it is an ARRL sponsored event.  

Yup, here it is:

http://www.arrl.org/contests/rules/2006/novss.html

Fun event, one of my favorites every year.  Unfortunately I've usually got something else going on the weekend of the CW event, but I put in a pretty good effort on the Phone event last year (QRP).  

72 & good luck!

Mark, NK8Q


>From: "Paul Gates, KD3JF" <[hidden email]>
>Date: 2006/11/02 Thu AM 06:37:57 CST
>To: [hidden email]
>Subject: [Elecraft] Contest this weekendw

>Can anyone tell me where I can find the rules for the SS
>for this weekend?
>Paul, KD3JF
>_______________________________________________
>Elecraft mailing list
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>You must be a subscriber to post to the list.
>Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft   
>
>Help: http://mailman.qth.net/subscribers.htm
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Audio Filter mini module

Darwin, Keith
In reply to this post by Paul Gates, KD3JF
I bought one a few weeks ago but preaching duties at church kept me from
having any free time to look at it.  Our new pastor has arrived so I can
return to non-preaching status which puts some free time back into my
life.

Time for that AF mini module!

Last night I put it together.  The entire kit took 2 hours.  I did not
install the battery box or the rubber feet since I plan to eventually
mount the module in an enclosure.

Assembly was easy, as is typical with mini modules and Elecraft stuff in
general.  I hooked it up to my K2, applied power and was rewarded with a
red LED and filtered sound in my headphones.

The low pass filter is very nice.  When activated it cuts some highs
even with the cutoff freq set to the highest setting.  I listened to 20
USB this morning wondering if the amount of cut would affect SSB
usability and it didn't.  The hiss was reduced and signals were still
adequately clear and crisp in the "cans".

The band pass filters however, don't do nice things on SSB.  Too much is
filtered.

On CW, the band pass filters are pretty nice indeed.  I find the first
one to be wonderful for must uses.  It doesn't ring enough to bother me
and the sweepable center freq is nice.  I did notice that the freq range
is rather non-linear.  With a 600 Hz tone peaked, the frequency control
is most of the way "up".

The 2nd band pass filter is noticeably more "focused" than the first.
The additional filtering comes at a price of increased ringing.  It
isn't enough to keep me from using this setting when needed but it won't
be my normal setting for rag chewing under typical band conditions.
Contest conditions may require it however.

What would I change with it?  Glad you asked.  I'd love a blend control
rather than a switch.  Something that can smoothly change from no BPF to
full BPF  I reviewing the schematic I think it would be an simple mod
but with the big switch already mounted, it would not be an easy thing
to actually do.

- Keith KD1E -
- K2 5411 -
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Re: Contest this weekendw

Tom Hammond-3
In reply to this post by Paul Gates, KD3JF
Hi Paul:

>Can anyone tell me where I can find the rules for the SS
>for this weekend?
>Paul, KD3JF


Rules: http://www.arrl.org/contests/rules/2006/novss.html

Entry Forms: (ASCII) http://www.arrl.org/contests/forms/sscw.frm.html
                (PDF) http://www.arrl.org/contests/forms/sscw.pdf

Log Sheets:    (PDF) http://www.arrl.org/contests/forms/novsslog.pdf

Havew fun.

73,

Tom   N0SS


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Re: Audio Filter mini module

Rick Dettinger-2
In reply to this post by Darwin, Keith
I have been wondering if this filter is the same design as the KAF2 without
the clock.  I have often wished I could use my KAF2 with other rigs.  Having
an outboard filter works well to clean up the harsh sidetones of many rigs.
Like the K1.  I have been using a SCAF outboard filter but maybe the mini
module would be an improvement.  Any opinions?
Thanks and 73
Rick Dettinger
K7MW

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RE: Audio Filter mini module

Darwin, Keith
Before I bought the AF mini-module, I compared the schematic to the K2
AF.  Nope, not the same.  The mini-module has the benefit of more
controls and a built-in AF amp.  Listening to them, I think the KAF2
rings more in the narrow position than the mini-module does but it's
been a while since I listened to the KAF2 so I may be off base.

I'd love to try the SCAF but went with the AF mini-module because it
combined a variable LPF (very similar to SCAF) along with two stages of
frequency sweepable band pass filtering.

I'd love to hear from someone who has run the SCAF and the AF
mini-module side by side.

- Keith KD1E -
- K2 5411 -

-----Original Message-----

I have been wondering if this filter is the same design as the KAF2
without the clock.  
...
I have been using a SCAF outboard filter but maybe the mini module would
be an improvement.  Any opinions?
Thanks and 73
Rick Dettinger
K7MW
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