[Elecraft] OT: ICE still functioning?

[Gary Gregory]

Alan,

:-)

Now don't that just beat all?

OH yeah, I forgot...that's why we got the K3 eh?

Gary

On 29 April 2011 04:17, Alan Bloom <n1al at sonic.net> wrote:

> One application for band-pass filters is explained in the article, HF
> Yagi Triplexer Especially for ARRL Field Day" in June 2010 QST.  By
> adding series-tuned filters to a set of store-bought band-pass filters
> they were able to use a single tri-band beam with three transceivers at
> the same time.
>
> Here's an interesting comment from the article where they did some
> interference tests using various transceivers with a dummy load for an
> antenna.  That is a worst-case test since the QRM is not covered up by
> band noise.
>
>    "While this represented an artificial situation, nevertheless
>    it was a useful way to expose underlying interference issues,
>    which we did see in most cases.  The only exception was an
>    absence of any interference between two Elecraft K3 transceivers."
>
> :=)
>
> Al N1AL
>
>
> On Thu, 2011-04-28 at 13:23 -0300, gary bartlett wrote:
> > In the interest of reducing interference from/to our K2/sK3s and
> > the equipment of our friends at multi-transmitter events, I'd like to see
> > the topic taken one step further:  a short explanation of why the need
> for
> > band pass filters with Elecraft equipment exists in the first place.
> >
> >
> >
> > *         Whose radio am I protecting, mine or the other guy's?
> >
> > *         What am I protecting it from?
> >
> > *         Why doesn't the radio take care of this problem itself?
> >
> > *         What is transmitted phase noise and what do I do about it?
> >
> > *         Where does the K3 stack up in the world of transmitted phase
> noise
> > in amateur radio equipment?  (I believe the answer is that the K3 is very
> > quiet and that I am more apt to be to victim, rather than the source, of
> > this problem]
> >
> > *         Other relevant stuff I don't know about
> >
> >
> >
> >             Can anyone point to a source of basic operational application
> of
> > band pass filters explained at this level and with the emphasis removed
> > about the insides of the filters themselves?
> >
> >
> >
> >             73,
> >
> >             Gary, VE1RGB
> >
> >
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: elecraft-bounces at mailman.qth.net
> > [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ron D'Eau Claire
> > Sent: April 28, 2011 12:40 PM
> > To: elecraft at mailman.qth.net; 'Rick Stealey'
> > Subject: Re: [Elecraft] OT: ICE still functioning?
> >
> >
> >
> > Rick, that has never been true in practice in the 10+ years I've
> > participated in this reflector, nor can I find any mention of that in the
> > official list guidelines at www.elecraft.com
> >
> >
> >
> > IMX, anything related to Ham radio that someone owning an Elecraft rig
> might
> > be interested in is welcome for discussion here.
> >
> >
> >
> > 73,
> >
> >
> >
> > Ron AC7AC
> >
> >
> >
> > -----Original Message-----
> >
> >
> >
> > With all due respect guys...........
> >
> > If it is OT it BY DEFINITION doesn't belong on this reflector,
> >
> > no matter how interesting, no matter that everyone in the ham
> >
> > world is interested in the fascinating topic.  No matter that
> >
> > the participants on this reflector are some of the most
> >
> > knowledgeable people on earth (which they are), and also
> >
> > the nicest.  If it isn't Elecraft related it doesn't belong here.
> >
> > Eric has to come on here periodically and remind us all.
> >
> > CME, ICE are not Elecraft topics.
> >
> >
> >
> > There, I feel better now.
> >
> >
> >
> > Rick  K2XT
> >
> >
> >
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> >
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