Elecraft

Remote Matching Thought

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Dick Dickinson

Remote Matching Thought

>From Julius Fazekas N2WN...

...I would go for a remote ATU from Elecraft too (nudge nudge wink wink)...

I've fond of remote matching units and use them routinely. Perhaps Elecraft
can consider aquiring a small startup tuner manufacturer. Would that be
helpful in getting into remote matching?

73,
Dick - KA5KKT

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Bill K9YEQ

Re: Remote Matching Thought

Ed,

Me too! I even wrote Wayne directly almost begging Elecraft to interface
their current technology with simple remoting system. It would be nice to
have options including one requiring no more that power line and RF with
included interface for the W2. I would want this in a high power version as
well. No one that I am aware other than MFJ has units that work remotely,
but I like the Elecraft designs best and it would be greater to have
available in kit form too.

73,

Bill
K9YEQ

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Edward Dickinson, III
Sent: Tuesday, January 05, 2010 12:00 PM
To: [hidden email]
Subject: [Elecraft] Remote Matching Thought

>From Julius Fazekas N2WN...

...I would go for a remote ATU from Elecraft too (nudge nudge wink wink)...

I've fond of remote matching units and use them routinely. Perhaps Elecraft
can consider aquiring a small startup tuner manufacturer. Would that be
helpful in getting into remote matching?

73,
Dick - KA5KKT

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Dick Dickinson

Re: Remote Matching Thought

In reply to this post by Dick Dickinson

Bill - Thanks for chiming in. As I recall the two amplifiers that Elecraft
has worked on were 800 and 1500 Watts. Maybe an 800 Watt unit would be a
good place to start on the high end.

73,
Dick - KA5KKT

--------------------------------------------------------------------------
Ed,

Me too! I even wrote Wayne directly almost begging Elecraft to interface
their current technology with simple remoting system. It would be nice to
have options including one requiring no more that power line and RF with
included interface for the W2. I would want this in a high power version as
well. No one that I am aware other than MFJ has units that work remotely,
but I like the Elecraft designs best and it would be greater to have
available in kit form too.

73,

Bill
K9YEQ
--------------------------------------------------------------------------

>From Julius Fazekas N2WN...

...I would go for a remote ATU from Elecraft too (nudge nudge wink wink)...

I've fond of remote matching units and use them routinely. Perhaps Elecraft
can consider aquiring a small startup tuner manufacturer. Would that be
helpful in getting into remote matching?

73,
Dick - KA5KKT

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juergen piezo

Re: Remote Matching Thought/Stationmaster

In reply to this post by Dick Dickinson

Hi Dick

A tuner like the SGC230 from Elecraft would be a nice product. A high power version would even better. To do this properly would require the use of vacuum components, this would make it cost prohibitive for most hams.

What we dont need is another limited range remote tuner. The Chinese are flooding the market with these SGC230 knockoffs. We need something like the RF Harris 1kw remote tuner thats big and heavy duty. Most importantly it must be lightning proof and designed properly. The RF Harris antenna tuner can tune anything with good efficiency, even end fed half wave wires.

I just noticed on the Microham web page that their new Stationmaster has a stepper motor drive unit that can drive several stepper motors. It would be a easy matter to build a high performance remote antenna tuner using their product. The advantage using this product is that it could be controlled from any HF radio.

I am planning on trying the new Stationmaster to remote my HF amp. My amp needs 5 stepper motors to tune it properly. Antenna switching would also be possible using this new Stationmaster.

Another application for this new Stationmaster would be a homebrew Steppir vertical or something like that! It looks like a good product.

John

--- On Tue, 1/5/10, Edward Dickinson, III <[hidden email]> wrote:

> From: Edward Dickinson, III <[hidden email]>
> Subject: [Elecraft] Remote Matching Thought
> To: [hidden email]
> Date: Tuesday, January 5, 2010, 10:00 AM
> >From Julius Fazekas N2WN...
>
> ...I would go for a remote ATU from Elecraft too (nudge
> nudge wink wink)...
>
> I've fond of remote matching units and use them
> routinely. Perhaps Elecraft
> can consider aquiring a small startup tuner
> manufacturer. Would that be
> helpful in getting into remote matching?
>
>
> 73,
> Dick - KA5KKT
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

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Joe Subich, W4TV-4

Re: Remote Matching Thought/Stationmaster

> I just noticed on the Microham web page that their new
> Stationmaster has a stepper motor drive unit that can drive
> several stepper motors. It would be a easy matter to build a
> high performance remote antenna tuner using their product.
> The advantage using this product is that it could be
> controlled from any HF radio.

This feature is available in Station Master Deluxe only.

Station Master deluxe is not yet available for sale and
the stepper motor control will be limited to "stored
position" control only (e.g., it is not suitable for
use with a bridge for automatic tuning).

73,

... Joe, W4TV

> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of juergen
> Sent: Tuesday, January 05, 2010 4:34 PM
> To: [hidden email]
> Subject: Re: [Elecraft] Remote Matching Thought/Stationmaster
>
>
> Hi Dick
>
> A tuner like the SGC230 from Elecraft would be a nice
> product. A high power version would even better. To do this
> properly would require the use of vacuum components, this
> would make it cost prohibitive for most hams.
>
> What we dont need is another limited range remote tuner. The
> Chinese are flooding the market with these SGC230 knockoffs.
> We need something like the RF Harris 1kw remote tuner thats
> big and heavy duty. Most importantly it must be lightning
> proof and designed properly. The RF Harris antenna tuner can
> tune anything with good efficiency, even end fed half wave wires.
>
> I just noticed on the Microham web page that their new
> Stationmaster has a stepper motor drive unit that can drive
> several stepper motors. It would be a easy matter to build a
> high performance remote antenna tuner using their product.
> The advantage using this product is that it could be
> controlled from any HF radio.
>
> I am planning on trying the new Stationmaster to remote my HF
> amp. My amp needs 5 stepper motors to tune it properly.
> Antenna switching would also be possible using this new
> Stationmaster.
>
> Another application for this new Stationmaster would be a
> homebrew Steppir vertical or something like that! It looks
> like a good product.
>
> John
>
>
> --- On Tue, 1/5/10, Edward Dickinson, III
> <[hidden email]> wrote:
>
> > From: Edward Dickinson, III <[hidden email]>
> > Subject: [Elecraft] Remote Matching Thought
> > To: [hidden email]
> > Date: Tuesday, January 5, 2010, 10:00 AM
> > >From Julius Fazekas N2WN...
> >
> > ...I would go for a remote ATU from Elecraft too (nudge
> > nudge wink wink)...
> >
> > I've fond of remote matching units and use them
> > routinely. Perhaps Elecraft
> > can consider aquiring a small startup tuner
> > manufacturer. Would that be
> > helpful in getting into remote matching?
> >
> >
> > 73,
> > Dick - KA5KKT
> >
> > ______________________________________________________________
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:[hidden email]
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> >
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

K1LI

Re: Remote Matching Thought

In reply to this post by Dick Dickinson

This seems like a potential application for the KRC2. Could it not be
co-located with a relay-controlled array of matching components? I know that
one of the big concerns is the length of the AUXBUS cable; perhaps BCD
control via something akin to rotor cable would be more appropriate.

Yes, the per-band-segment selection of control relay values would have to be
determined a priori, but once identified should be repeatably selectable
with the KRC2's 36 output drivers.

--
73 -- Brian -- K1LI
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