K3 and whats next from Elecraft

[Bill Frantz]

Terry - Thanks for your long and educational email.

I have used my P3 with a short wire antenna for environmental RF
noise location. It seems to work well, although the tuning UI
was not designed with that application in mind. :-)

Walking around with it, a separate battery, and antenna is a bit
of a PITA however. CCing Rose to see if she has a solution.

Cheers - Bill, AE6JV/1

On 8/20/13 at 10:28 PM, [hidden email] wrote:

>I... BTW, the Elecraft P3 IS A DDC RECEIVER, with a 14-bit ADC,
>sampling at about 60Ms/s, and feeding an ASIC DDC chip, then a
>dsPIC chip for FFT and other DSP work.  Yes, it samples the
>8.215MHz IF from the K3, but as Elecraft states, it can be used
>on other radios as well.  It does take advantage of the K3's RF
>front end, including preamps, filtering, etc.  I would NOT hook
>an antenna directly to it!
-----------------------------------------------------------------------
Bill Frantz        | "The only thing we have to   | Periwinkle
[phone]      | fear is fear itself." - FDR  | 16345
Englewood Ave
www.pwpconsult.com | Inaugural address, 3/4/1933  | Los Gatos,
CA 95032

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[k6dgw]

On 8/19/2013 10:28 PM, [hidden email] wrote:
> Warning:  rather long reply follows.
> If you don't care, or have your mind made up, please skip this email.
> Fred asked for some education, so here goes...  I'm not an expert, but
> these are my personal ramblings from what I think that I have learned.
> If you don't agree, and the moderator doesn’t like this discussion here,
> maybe we can find another place to discuss?  Or directly?

Hi Terry, thanks for the reply.  I'm thinking I'm not the only one
seeking the education so I'll reply to the list.  If that's
inappropriate, I'll take it off-list.  I'm also not going to quote your
reply, those interested already have it.

So far, I've learned that 32-bit ADC's have apparently not become as
ubiquitous as I had surmised.  I have looked at the I'net SDR at Twente
University in the Netherlands, and I understand the concept and the
desirability of digitizing directly from the entire HF spectrum for it.
  That cool receiver wouldn't work for everyone if it didn't.  I
understand DSP also, or at least most of the math behind it.

I want to focus my questions on a communications receiver and its
performance however, because that's what I'm certain I don't fully
understand.  In this focus, I'm attempting to receive a single fairly
narrow-band HF signal in the presence of noise and other signals close
by.  Let's say a 2KHz BW signal just for discussion.

Let's say I'm digitizing at the antenna connector everything up to
30MHz.  We know that I have to sample at a rate at least twice the
highest frequency being sampled so I'll stipulate that we're sampling at
120MHz, [4x 30MHz] and that there exists some sort of low-pass filter
with a cutoff frequency of 30MHz, zero attenuation below, and 1,000dB
above in front of the ADC [trying to get rid of "discussion noise" here]

My K3 reads S9 with 50uV into the 50ohm connector which is 5e-11 watts,
or -73dBm.  I have a KBPF3 [or whatever it's called] and I can find
non-ham signals in the .5-30MHz range that will put the S-meter at or
close to full-scale [60 over S9].  For the sake of discussion, let's
assume the S-meter is accurate and the strongest signal I can find is 60
over S9 or -13dBm.  Were the LORAN-C station at Middletown CA still
operating, it would easily exceed anything I can find at HF, on my
service monitor it generally ran around -10dBm at night with my flagpole
as the antenna.

I'll assume that the 2KHz BW signal I want to hear is S2, or 42dB below
S9 or -115dBm which I don't think is unreasonable.  I would calculate
then that the digitizing mechanism directly at the antenna connector
needs to have a minimum dynamic range of 102dBm or a voltage ratio of
125,893 [rounding up].  2^18 gives me +/-131,072 steps so an 18-bit ADC
should work. Right so far?

In my K3, the .5-30MHz spectrum is filtered by the L-C BP filters prior
to the first mixer, significantly reducing the effect of far but very
strong signals on the mixer.  The 8MHz 1st IF is then filtered again by,
in my case, a 2.7KHz xtal filter, so when this all gets to the ADC, it's
3KHz wide or so.

And thus my first question [slightly rephrased]:

"Ignoring the display possibilities of digitizing at the antenna
connector, and concentrating on a communications receiver attempting to
receive a 2KHz BW signal, what are the performance advantages of moving
the A->D conversion to the antenna connector?"

It seems like it should make sense to sample right at the antenna, if
you can digitize at an adequate rate and precision, but I just can't
make it work in my mind that subjecting the ADC to the full spectrum is
good if I'm a single-op and all I'm interested in is the new mult.

Follow-up question [watched too much 'West Wing' I guess]:

Is all this "full-SDR" based on getting conversion and DSP processing
rates high enough that it doesn't matter how far strong signals removed
from the desired signal?  There is inevitable distortion that arises in
the analog amplifiers, filters, and mixers, sufficiently long
word-lengths in the DSP stages could minimize that.

That's enough questions for now.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org










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[wb4jfi]

In order to limit off-topic posts, I responded directly to Fred.

One salient point is that my K3's S-meter does NOT show linear/accurate
readings above about S9 +25.  It hits S9+60 at about -30dBm, which should
read only about S9+40.  This could throw off the assumed dynamic range of
102dB.  However, Dr. Mitola's suggestion that HF needs about 130dB of
dynamic range is still a good target, albeit tough for ANY radio without RF
filtering (analog OR SDR).

I provided several other comments, but I don’t think a manufacturer's
reflector is the proper forum to continue the discussion.  I'm not hiding
anything, as I think Elecraft makes at least two of the best radios on the
market (K3/P3 & KX3), and I'm not planning to part with either of mine.
73, Terry, WB4JFI

-----Original Message-----
From: Fred Jensen
Sent: Tuesday, August 20, 2013 7:50 PM
To: Elecraft Reflector
Subject: Re: [Elecraft] K3 and whats next from Elecraft

On 8/19/2013 10:28 PM, [hidden email] wrote:
> Warning:  rather long reply follows.
> If you don't care, or have your mind made up, please skip this email.
> Fred asked for some education, so here goes...  I'm not an expert, but
> these are my personal ramblings from what I think that I have learned.
> If you don't agree, and the moderator doesn’t like this discussion here,
> maybe we can find another place to discuss?  Or directly?

Hi Terry, thanks for the reply.  I'm thinking I'm not the only one
seeking the education so I'll reply to the list.  If that's
inappropriate, I'll take it off-list.  I'm also not going to quote your
reply, those interested already have it.

So far, I've learned that 32-bit ADC's have apparently not become as
ubiquitous as I had surmised.  I have looked at the I'net SDR at Twente
University in the Netherlands, and I understand the concept and the
desirability of digitizing directly from the entire HF spectrum for it.
  That cool receiver wouldn't work for everyone if it didn't.  I
understand DSP also, or at least most of the math behind it.

I want to focus my questions on a communications receiver and its
performance however, because that's what I'm certain I don't fully
understand.  In this focus, I'm attempting to receive a single fairly
narrow-band HF signal in the presence of noise and other signals close
by.  Let's say a 2KHz BW signal just for discussion.

Let's say I'm digitizing at the antenna connector everything up to
30MHz.  We know that I have to sample at a rate at least twice the
highest frequency being sampled so I'll stipulate that we're sampling at
120MHz, [4x 30MHz] and that there exists some sort of low-pass filter
with a cutoff frequency of 30MHz, zero attenuation below, and 1,000dB
above in front of the ADC [trying to get rid of "discussion noise" here]

My K3 reads S9 with 50uV into the 50ohm connector which is 5e-11 watts,
or -73dBm.  I have a KBPF3 [or whatever it's called] and I can find
non-ham signals in the .5-30MHz range that will put the S-meter at or
close to full-scale [60 over S9].  For the sake of discussion, let's
assume the S-meter is accurate and the strongest signal I can find is 60
over S9 or -13dBm.  Were the LORAN-C station at Middletown CA still
operating, it would easily exceed anything I can find at HF, on my
service monitor it generally ran around -10dBm at night with my flagpole
as the antenna.

I'll assume that the 2KHz BW signal I want to hear is S2, or 42dB below
S9 or -115dBm which I don't think is unreasonable.  I would calculate
then that the digitizing mechanism directly at the antenna connector
needs to have a minimum dynamic range of 102dBm or a voltage ratio of
125,893 [rounding up].  2^18 gives me +/-131,072 steps so an 18-bit ADC
should work. Right so far?

In my K3, the .5-30MHz spectrum is filtered by the L-C BP filters prior
to the first mixer, significantly reducing the effect of far but very
strong signals on the mixer.  The 8MHz 1st IF is then filtered again by,
in my case, a 2.7KHz xtal filter, so when this all gets to the ADC, it's
3KHz wide or so.

And thus my first question [slightly rephrased]:

"Ignoring the display possibilities of digitizing at the antenna
connector, and concentrating on a communications receiver attempting to
receive a 2KHz BW signal, what are the performance advantages of moving
the A->D conversion to the antenna connector?"

It seems like it should make sense to sample right at the antenna, if
you can digitize at an adequate rate and precision, but I just can't
make it work in my mind that subjecting the ADC to the full spectrum is
good if I'm a single-op and all I'm interested in is the new mult.

Follow-up question [watched too much 'West Wing' I guess]:

Is all this "full-SDR" based on getting conversion and DSP processing
rates high enough that it doesn't matter how far strong signals removed
from the desired signal?  There is inevitable distortion that arises in
the analog amplifiers, filters, and mixers, sufficiently long
word-lengths in the DSP stages could minimize that.

That's enough questions for now.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org










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[Grant Youngman]

> One salient point is that my K3's S-meter does NOT show linear/accurate readings above about S9 +25.  

Honest to goodness, people. Get a grip ... :/
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[alsopb]

Interesting.  My measurements up to S9+40 show it pretty linear with a
slope of 1.001 db/SMH unit.  I didn't go above this.  I'll send you the
curve.

The generator used is an HP8657B.  This was done with a 400 Hz filter in
the CW mode.

73 de Brian/K3KO

On 8/21/2013 23:19, [hidden email] wrote:

> In order to limit off-topic posts, I responded directly to Fred.
>
> One salient point is that my K3's S-meter does NOT show linear/accurate
> readings above about S9 +25.  It hits S9+60 at about -30dBm, which
> should read only about S9+40.  This could throw off the assumed dynamic
> range of 102dB.  However, Dr. Mitola's suggestion that HF needs about
> 130dB of dynamic range is still a good target, albeit tough for ANY
> radio without RF filtering (analog OR SDR).
>
> I provided several other comments, but I don’t think a manufacturer's
> reflector is the proper forum to continue the discussion.  I'm not
> hiding anything, as I think Elecraft makes at least two of the best
> radios on the market (K3/P3 & KX3), and I'm not planning to part with
> either of mine.
> 73, Terry, WB4JFI
>
> -----Original Message----- From: Fred Jensen
> Sent: Tuesday, August 20, 2013 7:50 PM
> To: Elecraft Reflector
> Subject: Re: [Elecraft] K3 and whats next from Elecraft
>
> On 8/19/2013 10:28 PM, [hidden email] wrote:
>> Warning:  rather long reply follows.
>> If you don't care, or have your mind made up, please skip this email.
>> Fred asked for some education, so here goes...  I'm not an expert, but
>> these are my personal ramblings from what I think that I have learned.
>> If you don't agree, and the moderator doesn’t like this discussion here,
>> maybe we can find another place to discuss?  Or directly?
>
> Hi Terry, thanks for the reply.  I'm thinking I'm not the only one
> seeking the education so I'll reply to the list.  If that's
> inappropriate, I'll take it off-list.  I'm also not going to quote your
> reply, those interested already have it.
>
> So far, I've learned that 32-bit ADC's have apparently not become as
> ubiquitous as I had surmised.  I have looked at the I'net SDR at Twente
> University in the Netherlands, and I understand the concept and the
> desirability of digitizing directly from the entire HF spectrum for it.
>   That cool receiver wouldn't work for everyone if it didn't.  I
> understand DSP also, or at least most of the math behind it.
>
> I want to focus my questions on a communications receiver and its
> performance however, because that's what I'm certain I don't fully
> understand.  In this focus, I'm attempting to receive a single fairly
> narrow-band HF signal in the presence of noise and other signals close
> by.  Let's say a 2KHz BW signal just for discussion.
>
> Let's say I'm digitizing at the antenna connector everything up to
> 30MHz.  We know that I have to sample at a rate at least twice the
> highest frequency being sampled so I'll stipulate that we're sampling at

> 120MHz, [4x 30MHz] and that there exists some sort of low-pass filter
> with a cutoff frequency of 30MHz, zero attenuation below, and 1,000dB
> above in front of the ADC [trying to get rid of "discussion noise" here]
>
> My K3 reads S9 with 50uV into the 50ohm connector which is 5e-11 watts,
> or -73dBm.  I have a KBPF3 [or whatever it's called] and I can find
> non-ham signals in the .5-30MHz range that will put the S-meter at or
> close to full-scale [60 over S9].  For the sake of discussion, let's

> assume the S-meter is accurate and the strongest signal I can find is 60

> over S9 or -13dBm.  Were the LORAN-C station at Middletown CA still
> operating, it would easily exceed anything I can find at HF, on my
> service monitor it generally ran around -10dBm at night with my flagpole

> as the antenna.
>
> I'll assume that the 2KHz BW signal I want to hear is S2, or 42dB below
> S9 or -115dBm which I don't think is unreasonable.  I would calculate
> then that the digitizing mechanism directly at the antenna connector
> needs to have a minimum dynamic range of 102dBm or a voltage ratio of
> 125,893 [rounding up].  2^18 gives me +/-131,072 steps so an 18-bit ADC
> should work. Right so far?
>
> In my K3, the .5-30MHz spectrum is filtered by the L-C BP filters prior
> to the first mixer, significantly reducing the effect of far but very
> strong signals on the mixer.  The 8MHz 1st IF is then filtered again by,

> in my case, a 2.7KHz xtal filter, so when this all gets to the ADC, it's

> 3KHz wide or so.
>
> And thus my first question [slightly rephrased]:
>
> "Ignoring the display possibilities of digitizing at the antenna
> connector, and concentrating on a communications receiver attempting to
> receive a 2KHz BW signal, what are the performance advantages of moving
> the A->D conversion to the antenna connector?"
>
> It seems like it should make sense to sample right at the antenna, if
> you can digitize at an adequate rate and precision, but I just can't
> make it work in my mind that subjecting the ADC to the full spectrum is
> good if I'm a single-op and all I'm interested in is the new mult.
>
> Follow-up question [watched too much 'West Wing' I guess]:
>
> Is all this "full-SDR" based on getting conversion and DSP processing
> rates high enough that it doesn't matter how far strong signals removed
> from the desired signal?  There is inevitable distortion that arises in
> the analog amplifiers, filters, and mixers, sufficiently long
> word-lengths in the DSP stages could minimize that.
>
> That's enough questions for now.
>
> 73,
>
> Fred K6DGW
> - Northern California Contest Club
> - CU in the 2013 Cal QSO Party 5-6 Oct 2013
> - www.cqp.org
>
>
>
>
>
>
>
>
>
>
> ______________________________________________________________
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> Please help support this email list: http://www.qsl.net/donate.html
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>
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[Scott Manthe-2]

Since when does the S-meter have anything to do with dynamic range? My
old Kenwood TS-2000 had a pretty tight S-meter, but that didn't help
its, um, pedestrian (to be kind) dynamic range numbers.

73,
Scott, N9AA


On 8/21/13 7:19 PM, [hidden email] wrote:
>
> One salient point is that my K3's S-meter does NOT show
> linear/accurate readings above about S9 +25.  It hits S9+60 at about
> -30dBm, which should read only about S9+40.  This could throw off the
> assumed dynamic range of 102dB.
>

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[k6dgw]

S-Meter readings have exactly NOTHING to do with dynamic range, Scott.
This was a discussion, semi-pertinent to Elecraft radios, and that I
offered to take off list and now will.  I asked for education about
SDR's that sampled at the antenna connector vs those, like the K3, that
sampled after some superhet and filter magic, and honestly, I'm
learning.  There are a lot of really smart and knowledgeable folks on
this list if you just ask questions.

I made an assumption, for the discussion, that my K3 S-meter was linear
[in terms of dB which of course we all know is actually logarithmic].
It was an assumption for the purpose of the discussion, nothing more, to
set up the real question I had, and for which I have since gotten a
really sensible answer.  It might help if folks read the entire thread,
S-meter readings had almost nothing to do with it.

I have no idea if my K3 S-meter is accurate above or below S9 and I
don't care, I set it there for 50uV=S9.  The rest was an assumption for
the discussion.  And thanks to those who helped me understand a bit more
of this.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org
On 8/21/2013 4:53 PM, Scott Manthe wrote:
> Since when does the S-meter have anything to do with dynamic range? My
> old Kenwood TS-2000 had a pretty tight S-meter, but that didn't help
> its, um, pedestrian (to be kind) dynamic range numbers.



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[wb4jfi]

Agreed.  Since Fred's original questions referenced the use of an S-meter to
measure weak versus strong signals, I was simply trying to frame part of my
answer to match his reference, and show how errors could creep into that
methodology.
73, Terry, WB4JFI

-----Original Message-----
From: Scott Manthe
Sent: Wednesday, August 21, 2013 7:53 PM
To: [hidden email]
Subject: Re: [Elecraft] K3 and whats next from Elecraft

Since when does the S-meter have anything to do with dynamic range? My
old Kenwood TS-2000 had a pretty tight S-meter, but that didn't help
its, um, pedestrian (to be kind) dynamic range numbers.

73,
Scott, N9AA

<snip>

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[Scott Manthe-2]

Terry,
As I just told Fred, I looked at the discussion a little more and got a
better handle on the context of the comment. I missed the point of
reference and shouldn't have commented because of that. Sorry.

73,
Scott, N9AA


On 8/21/13 11:58 PM, [hidden email] wrote:
> Agreed.  Since Fred's original questions referenced the use of an
> S-meter to measure weak versus strong signals, I was simply trying to
> frame part of my answer to match his reference, and show how errors
> could creep into that methodology.
> 73, Terry, WB4JFI
>
>
>
>

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The K3 is a fine radio and not much could be added to such a
fine piece of work.


But, doing research on the internet I found that if you
could degauss the ion slip stream, ratchet up the electronobulator, and then
put in some plasticized radionic grease on the shafts …Elecraft could increase
the affection factor by 1278.3410.  Now…we’re
talking.

Of course, you would have to add a situational magna-inducer
to the final stage that would increase the efficiency to 178.6 percent while
reducing the total joules per second to a minimal and safe level.  This would make the FCC very happy because
the Frozone Zone would be infinitesimally small thus saving millions of lives.

Coupled with the new radically opposed singularity, the K3
could take an operator to the far reaches of propagation with resounding
clarity and brightness.   Work could be done to super-charge the
eletronobulator to increase the density of the induction Hickcock field coils
which would give you enormous amounts of gain both transmit and receive
throughout the spectrum, here and on worlds not yet discovered.

Now we know that the flux-capacity is old hat and should not
even be considered, but the new cranial cold fusion super flux capacitor would
fit well into the box and provide output that we’ve never seen as amateur radio
operators.  Then, there is the possibility
that you could run two cranial cold fusion super flux capacitors in parallel
without marginalizing the receiver but keeping the QSO rate well above 1,000
per hour.

I will continue to research new developments on the Internet
to see what new features could be incorporated in the K3 in the far distance
future.

Lee - K0WA

 
In our day and age it seems that Common Sense is in short supply.  If you don't have any Common Sense - get some Common Sense and use it.  If you can't find any Common Sense, ask for help from somebody who has some Common Sense.  Is Common Sense divine?

Common Sense is the image of the Creator expressing revealed truth in my mind. -  John W. (Kansas)

Never interfere with anything that isn't bothering you.
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[Don Wilhelm-4]

If this trend continues, not only will we need aluminum foil hats, but
our computer display screens will need an aluminum foil covering as
well.:-)

73,
Don W3FPR

On 8/22/2013 5:25 PM, Lee Buller wrote:

>
> The K3 is a fine radio and not much could be added to such a
> fine piece of work.
>
>
> But, doing research on the internet I found that if you
> could degauss the ion slip stream, ratchet up the electronobulator, and then
> put in some plasticized radionic grease on the shafts …Elecraft could increase
> the affection factor by 1278.3410.  Now…we’re
> talking.
>
> Of course, you would have to add a situational magna-inducer
> to the final stage that would increase the efficiency to 178.6 percent while
> reducing the total joules per second to a minimal and safe level.  This would make the FCC very happy because
> the Frozone Zone would be infinitesimally small thus saving millions of lives.
>
> Coupled with the new radically opposed singularity, the K3
> could take an operator to the far reaches of propagation with resounding
> clarity and brightness.   Work could be done to super-charge the
> eletronobulator to increase the density of the induction Hickcock field coils
> which would give you enormous amounts of gain both transmit and receive
> throughout the spectrum, here and on worlds not yet discovered.
>
> Now we know that the flux-capacity is old hat and should not
> even be considered, but the new cranial cold fusion super flux capacitor would
> fit well into the box and provide output that we’ve never seen as amateur radio
> operators.  Then, there is the possibility
> that you could run two cranial cold fusion super flux capacitors in parallel
> without marginalizing the receiver but keeping the QSO rate well above 1,000
> per hour.
>
> I will continue to research new developments on the Internet
> to see what new features could be incorporated in the K3 in the far distance
> future.
>

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[Bill K9YEQ]

You mean you don’t already have these?
Bill
K9YEQ

-----Original Message-----
From: [hidden email] [mailto:[hidden email]] On Behalf Of Don Wilhelm
Sent: Thursday, August 22, 2013 4:38 PM
To: [hidden email]
Subject: Re: [Elecraft] K3 and whats next from Elecraft - my 2 cents

If this trend continues, not only will we need aluminum foil hats, but our computer display screens will need an aluminum foil covering as
well.:-)

73,
Don W3FPR

On 8/22/2013 5:25 PM, Lee Buller wrote:

>
> The K3 is a fine radio and not much could be added to such a fine
> piece of work.
>
>
> But, doing research on the internet I found that if you could degauss
> the ion slip stream, ratchet up the electronobulator, and then put in
> some plasticized radionic grease on the shafts …Elecraft could
> increase the affection factor by 1278.3410.  Now…we’re talking.
>
> Of course, you would have to add a situational magna-inducer to the
> final stage that would increase the efficiency to 178.6 percent while
> reducing the total joules per second to a minimal and safe level.  
> This would make the FCC very happy because the Frozone Zone would be infinitesimally small thus saving millions of lives.
>
> Coupled with the new radically opposed singularity, the K3 could take
> an operator to the far reaches of propagation with resounding
> clarity and brightness.   Work could be done to super-charge the
> eletronobulator to increase the density of the induction Hickcock
> field coils which would give you enormous amounts of gain both
> transmit and receive throughout the spectrum, here and on worlds not yet discovered.
>
> Now we know that the flux-capacity is old hat and should not even be
> considered, but the new cranial cold fusion super flux capacitor would
> fit well into the box and provide output that we’ve never seen as
> amateur radio operators.  Then, there is the possibility that you
> could run two cranial cold fusion super flux capacitors in parallel
> without marginalizing the receiver but keeping the QSO rate well above
> 1,000 per hour.
>
> I will continue to research new developments on the Internet to see
> what new features could be incorporated in the K3 in the far distance
> future.
>

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Elecraft mailing list
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Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

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[Deni F5VJC]

I think it's time for a K3 firmware update...

73, F5VJC


On 22 August 2013 23:25, Lee Buller <[hidden email]> wrote:

>
>
> The K3 is a fine radio and not much could be added to such a
> fine piece of work.
>
>
> But, doing research on the internet I found that if you
> could degauss the ion slip stream, ratchet up the electronobulator, and
> then
> put in some plasticized radionic grease on the shafts …Elecraft could
> increase
> the affection factor by 1278.3410.  Now…we’re
> talking.
>
> Of course, you would have to add a situational magna-inducer
> to the final stage that would increase the efficiency to 178.6 percent
> while
> reducing the total joules per second to a minimal and safe level.  This
> would make the FCC very happy because
> the Frozone Zone would be infinitesimally small thus saving millions of
> lives.
>
> Coupled with the new radically opposed singularity, the K3
> could take an operator to the far reaches of propagation with resounding
> clarity and brightness.   Work could be done to super-charge the
> eletronobulator to increase the density of the induction Hickcock field
> coils
> which would give you enormous amounts of gain both transmit and receive
> throughout the spectrum, here and on worlds not yet discovered.
>
> Now we know that the flux-capacity is old hat and should not
> even be considered, but the new cranial cold fusion super flux capacitor
> would
> fit well into the box and provide output that we’ve never seen as amateur
> radio
> operators.  Then, there is the possibility
> that you could run two cranial cold fusion super flux capacitors in
> parallel
> without marginalizing the receiver but keeping the QSO rate well above
> 1,000
> per hour.
>
> I will continue to research new developments on the Internet
> to see what new features could be incorporated in the K3 in the far
> distance
> future.
>
> Lee - K0WA
>
>
> In our day and age it seems that Common Sense is in short supply.  If you
> don't have any Common Sense - get some Common Sense and use it.  If you
> can't find any Common Sense, ask for help from somebody who has some Common
> Sense.  Is Common Sense divine?
>
> Common Sense is the image of the Creator expressing revealed truth in my
> mind. -  John W. (Kansas)
>
> Never interfere with anything that isn't bothering you.
> ______________________________________________________________
> 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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[AD6XY]

How about a serious VHF/UHF radio ?