K3 Band switch

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K3 Band switch

Ron Durie SIL.org
I have programmed the keypad as band switches and programmed M1-M4 on each
band.  
I have also programmed frequencies into my memory locations.  This works
well but takes some getting used to.  

The keypad and keys around it are now the most "Busy" area on my front
panel.  

I don't know what to think about The Band Switch nor how to use it.
 
Maybe I should think of it not as a Band Switch but as a frequency Stacking
register.  
Any frequency can be put into any stacked position.  
Maybe I should put my commercial broadcast and short wave frequencies in
these stacks.
This would free up more memory locations.

I am sure Elecraft is re-thinking the total frequency management scheme to
see if it can be made more intuitive for us all.  

I really like my K3.  It is neat to have the flexibility that downloaded
firmware provides.  

Ron Durie
WB4OOA
K3# 604


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Re: K3 Band switch

Don Wilhelm-4
Ron,

Warning: RANT ON --

Before we get more confused with terminology, it is not a "stacking"
memory if you can retrieve from any slot in the memory - that is random
access.

A "stack" can only be loaded/unloaded from one end (usually referred to
as the top) and one must sequentially remove entries until the one
wanted is present.  The K3 regular band switch is more akin to a
"stack", but not quite since it wraps around and one can move in either
direction.

I don't care what other manufacturers and hams have called things, but
many have certainly strayed far away from what they are supposed to
mean.  For instance, what is commonly referred to as a 'zepp' antenna is
nothing like the original, the G5RV has been quite mutilated, and L.B.
Cebik (sadly now SK) had long been an advocate for striking the word
'counterpoise' from the ham language because it has become so misused
that we now have a term for something that has no clear definition of
what it is, so we always have to ask for details.  Please, let's not
start this with memory naming - the programming field has long had
meaningful definitions for such things and they make sense - it would be
nice to keep it that way.

RANT OFF

73,
Don W3FPR

Ron Durie wrote:

> I have programmed the keypad as band switches and programmed M1-M4 on each
> band.  
> I have also programmed frequencies into my memory locations.  This works
> well but takes some getting used to.  
>
>
>  
> Maybe I should think of it not as a Band Switch but as a frequency Stacking
> register.  
> Any frequency can be put into any stacked position.  
>  
>
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Re: K3 Band switch

Stewart Baker
How about the "End Fed Dipole"  :-))

73
Stewart G3RXQ
On Wed, 07 May 2008 10:51:42 -0400, Don Wilhelm wrote:
> Ron,
>
> Warning: RANT ON --
>
> Before we get more confused with terminology, it is not a
"stacking"
> memory if you can retrieve from any slot in the memory - that is
random
> access.
>
> A "stack" can only be loaded/unloaded from one end (usually
referred to
> as the top) and one must sequentially remove entries until the
one
> wanted is present.  The K3 regular band switch is more akin to a
> "stack", but not quite since it wraps around and one can move in
either
> direction.
>
> I don't care what other manufacturers and hams have called
things, but
> many have certainly strayed far away from what they are supposed
to
> mean.  For instance, what is commonly referred to as a 'zepp'
antenna is
> nothing like the original, the G5RV has been quite mutilated,
and L.B.
> Cebik (sadly now SK) had long been an advocate for striking the
word
> 'counterpoise' from the ham language because it has become so
misused
> that we now have a term for something that has no clear
definition of
> what it is, so we always have to ask for details.  Please, let's
not
> start this with memory naming - the programming field has long
had
> meaningful definitions for such things and they make sense - it
would be
> nice to keep it that way.
>
> RANT OFF
>
> 73,
> Don W3FPR

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Re: K3 Band switch

Doug Faunt N6TQS +1-510-655-8604
Err, that ones sorta correct in my head, since the E ad M patterns are
the same as a centerfed dipole.  Seaparate the electrical
characteristics from the physical.

73, doug

   From: Stewart Baker <[hidden email]>
   Date: Wed, 7 May 2008 15:59:39 +0100

   How about the "End Fed Dipole"  :-))

   73
   Stewart G3RXQ
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Re: K3 Band switch

Geoffrey Mackenzie-Kennedy
In reply to this post by Stewart Baker
That's allowed  :-)

73,
Geoff
GM4ESD

Stewart Baker wrote on Wednesday, May 07, 2008 3:59 PM

How about the "End Fed Dipole"  :-))

73
Stewart G3RXQ


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Re: K3 Band switch

Stewart Baker
In reply to this post by Doug Faunt N6TQS +1-510-655-8604
I know, but it goes against the grain (gain) Sic...
73
Stewart G3RXQ
On Wed, 7 May 2008 11:18:59 -0400 (EDT), Doug Faunt N6TQS
+1-510-655-8604 wrote:
> Err, that ones sorta correct in my head, since the E ad M
patterns are

> the same as a centerfed dipole.  Seaparate the electrical
> characteristics from the physical.
>
> 73, doug
>
> From: Stewart Baker <[hidden email]>
> Date: Wed, 7 May 2008 15:59:39 +0100
>
> How about the "End Fed Dipole"  :-))
>
> 73
> Stewart G3RXQ


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Re: K3 Band switch

Dave KQ3T
In reply to this post by Don Wilhelm-4
I believe  that would be called a "circular queue".

73,
Dave KQ3T


Don Wilhelm wrote:

> ...
> A "stack" can only be loaded/unloaded from one end (usually referred
> to as the top) and one must sequentially remove entries until the one
> wanted is present.  The K3 regular band switch is more akin to a
> "stack", but not quite since it wraps around and one can move in
> either direction.
>
> ...
> 73,
> Don W3FPR

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Re: K3 Band switch

drewko
In reply to this post by Don Wilhelm-4
On Wed, 07 May 2008 10:51:42 -0400, Don W3FPR wrote:

>Ron,
>
>
>A "stack" can only be loaded/unloaded from one end (usually referred to
>as the top) and one must sequentially remove entries until the one
>wanted is present.  The K3 regular band switch is more akin to a
>"stack", but not quite since it wraps around and one can move in either
>direction.
>

I miss FORTH [sigh]...

But back to radios... I wonder if it would be useful to implement a
Very-Coarse tuning rate, say 5 MHz per full turn of the VFO knob.
That would be your band switch.

With such a rate you could quickly get to any band, ham or SWL or
whatever. However, if you should select a ham band with this coarse
tune VFO, it would automatically recall your previous settings for
that band (same as the Band buttons work)

It could be accessed by holding "Coarse" while turning the VFO knob.
Perhaps this could be managed with one hand?

[OK, I don't have a K3 and haven't read much of the manual, so
probably shouldn't be making comments at all. The above is just a
suggestion. If it isn't a useful one just ignore it; I'm not really
looking for any feedback on it.]

73,
Drew
AF2Z

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RE: K3 Band switch

Craig Smith
<> I wonder if it would be useful to implement a
<> Very-Coarse tuning rate, say 5 MHz per full turn of the VFO knob.

This idea sounds appealing to me, Drew.   A lot less to remember than when
using memory access, etc.  I get the feeling that Elecraft is rethinking the
whole bandswitching matter, and rightfully so.  To me, at least, the present
situation is rather confusing.  I hope they will consider your idea.

      73
               ... Craig  AC0DS


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Re: K3 Band switch

Ed K1EP
In reply to this post by drewko
At 5/7/2008 02:19 PM, [hidden email] wrote:


>But back to radios... I wonder if it would be useful to implement a
>Very-Coarse tuning rate, say 5 MHz per full turn of the VFO knob.
>That would be your band switch.

There is a coarse tuning knob.  Maybe not 5MHz, but it might be 1 or 2.

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Re: K3 Band switch

n6wg
In reply to this post by Craig Smith
I would suggest a 1 MHz step, along the lines used in
the old Collins 51J series of receivers.  They tuned
1 MHz segments, so had to step up to the next 1 MHz
segment.
A 1 MHz step would touch every hamband directly,
while 5 MHz would miss all of them.
73, Bob N6WG

----- Original Message -----
From: "Craig D. Smith" <[hidden email]>
To: <[hidden email]>
Sent: Wednesday, May 07, 2008 12:30 PM
Subject: RE: [Elecraft] K3 Band switch


<> I wonder if it would be useful to implement a
<> Very-Coarse tuning rate, say 5 MHz per full turn of the VFO knob.

This idea sounds appealing to me, Drew.   A lot less to remember than
when
using memory access, etc.  I get the feeling that Elecraft is
rethinking the
whole bandswitching matter, and rightfully so.  To me, at least, the
present
situation is rather confusing.  I hope they will consider your idea.

      73
               ... Craig  AC0DS


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Re: K3 Band switch

Don Wilhelm-4
In reply to this post by Craig Smith
Craig,

I am not certain why you believe the current bandswitching method is
confusing - unless you are trying to follow the several suggestions for
changing the band selection.

I find the BAND up/down switch similar to the old rotary bandswitches.  
You go one way (usually clockwise) to go to a higher band and the other
way to go to a lower band.  And you had to do it one switch detent at a
time, there was no hopping from one band direct to another unless they
were adjacent.

One can easily count finger taps on the band button just as easily as
counting rotary switch detent positions - one just has to remember how
many bands apart the present one is from the desired one.
Just my opinion.

73,
Don W3FPR

Craig D. Smith wrote:
>   To me, at least, the present
> situation is rather confusing.  I hope they will consider your idea.
>
>       73
>  
>  
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Re: K3 Band switch

drewko
In reply to this post by n6wg
On Wed, 07 May 2008 12:49:16 -0700, Bob N6WG wrote:

>I would suggest a 1 MHz step, along the lines used in
>the old Collins 51J series of receivers.  They tuned
>1 MHz segments, so had to step up to the next 1 MHz
>segment.
>A 1 MHz step would touch every hamband directly,
>while 5 MHz would miss all of them.
>73, Bob N6WG
>

No, I meant a tuning rate of 5 MHz per full turn of the VFO knob...
but it WOULD increment the frequency readout in 1 MHz steps, as you
suggest.

5 MHz per one full turn would, for instance, let you go from 7.0xx MHz
to 15.1xx MHz in about one and a half turns of the VFO knob, acting
more like a band switch than a VFO. Perhaps 10 MHz per turn would be
even better. The current Coarse Tune rate (1 or 2 MHz?) is not coarse
enough to act as a band switch.

73,
Drew
AF2Z

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Re: K3 Band switch

Augie "Gus" Hansen
[hidden email] wrote:

> ...
> No, I meant a tuning rate of 5 MHz per full turn of the VFO knob...
> but it WOULD increment the frequency readout in 1 MHz steps, as you
> suggest.
>
> 5 MHz per one full turn would, for instance, let you go from 7.0xx MHz
> to 15.1xx MHz in about one and a half turns of the VFO knob, acting
> more like a band switch than a VFO. Perhaps 10 MHz per turn would be
> even better. The current Coarse Tune rate (1 or 2 MHz?) is not coarse
> enough to act as a band switch.

Instead of tuning knob rotation, how about press and hold COARSE while
tapping the ^ or v BAND buttons to move by 1 MHz increments? These
combinations are currently not used and this technique would be more in
keeping with the way many modern rigs use their up/down buttons. Then
the stepping rate is determined by how fast you tap.

Gus Hansen
KB0YH

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Re: K3 Band switch

N4LQ-2
In reply to this post by Don Wilhelm-4

Well stated....So....Let's go back to the rotary bandswitch. It was faster
to change bands than bumping this button half dozen times.
Nowadays a lot of hams have amplifiers, tuners and rotary beams that follow
the bandswitching. Imagine what happens to all those relays and motors when
quickly scrolling through each band.

Steve Ellington
[hidden email]
----- Original Message -----
From: "Don Wilhelm" <[hidden email]>
To: <[hidden email]>
Cc: <[hidden email]>
Sent: Wednesday, May 07, 2008 3:50 PM
Subject: Re: [Elecraft] K3 Band switch


> Craig,
>
> I am not certain why you believe the current bandswitching method is
> confusing - unless you are trying to follow the several suggestions for
> changing the band selection.
> I find the BAND up/down switch similar to the old rotary bandswitches.
> You go one way (usually clockwise) to go to a higher band and the other
> way to go to a lower band.  And you had to do it one switch detent at a
> time, there was no hopping from one band direct to another unless they
> were adjacent.
> One can easily count finger taps on the band button just as easily as
> counting rotary switch detent positions - one just has to remember how
> many bands apart the present one is from the desired one.
> Just my opinion.
>
> 73,
> Don W3FPR
>
> Craig D. Smith wrote:
>>   To me, at least, the present
>> situation is rather confusing.  I hope they will consider your idea.
>>
>>       73
>>
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Re: K3 Band switch

alsopb
In reply to this post by Augie "Gus" Hansen
Augie,

And what success do you expect in hitting 10.101 or 18.068?

Unfortunately the ham bands don't all start with .000 lower limits.

What is really needed is one button press to get to the band you want.
Two to six button presses alone or in combo with knob twisting  simply
isn't acceptable.  
Standing on your head while twisting a knob behind one's back isn't  either.

73 de Brian/K3KO

Augie Hansen wrote:

> [hidden email] wrote:
>
>> ...
>> No, I meant a tuning rate of 5 MHz per full turn of the VFO knob...
>> but it WOULD increment the frequency readout in 1 MHz steps, as you
>> suggest.
>> 5 MHz per one full turn would, for instance, let you go from 7.0xx MHz
>> to 15.1xx MHz in about one and a half turns of the VFO knob, acting
>> more like a band switch than a VFO. Perhaps 10 MHz per turn would be
>> even better. The current Coarse Tune rate (1 or 2 MHz?) is not coarse
>> enough to act as a band switch.
>
>
> Instead of tuning knob rotation, how about press and hold COARSE while
> tapping the ^ or v BAND buttons to move by 1 MHz increments? These
> combinations are currently not used and this technique would be more
> in keeping with the way many modern rigs use their up/down buttons.
> Then the stepping rate is determined by how fast you tap.
>
> Gus Hansen
> KB0YH
>
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Re: K3 Band switch

ab2tc
Fix the problem with ham bands disappearing when tuning to frequencies outside the ham bands as suggested by Wayne (the "virtual" SWL band) earlier today and there will be nothing confusing about the band button. Lots of other radios do it this way.

Knut - AB2TC
K3 #82

K3KO wrote
Augie,

And what success do you expect in hitting 10.101 or 18.068?

Unfortunately the ham bands don't all start with .000 lower limits.

What is really needed is one button press to get to the band you want.
Two to six button presses alone or in combo with knob twisting  simply
isn't acceptable.  
Standing on your head while twisting a knob behind one's back isn't  either.

73 de Brian/K3KO

(snip)
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K3 Band switch action

Ken Kopp-3
At least it -does- step both directions.  Not all do. (:-))

The only "improvement" I'd ask for is to be able to
bypass "unused" bands in the stepping process.

73! Ken Kopp - K0PP
       [hidden email]
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Re: K3 Band switch action

ab2tc
I second that. That would be a nice addition to the menu system.

Knut - AB2TC
K3 #82

Ken Kopp-3 wrote
At least it -does- step both directions.  Not all do. (:-))

The only "improvement" I'd ask for is to be able to
bypass "unused" bands in the stepping process.

73! Ken Kopp - K0PP
       ElecraftCovers@rfwave.net
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Re: K3 Band switch

Augie "Gus" Hansen
In reply to this post by alsopb
HI Brian,
> And what success do you expect in hitting 10.101 or 18.068?

None.

> Unfortunately the ham bands don't all start with .000 lower limits.

We're addressing two different issues. I'm responding to the original
statement about achieving 1 MHz steps as in general coverage. For
example, my Icom 765 has UP and DOWN buttons that step up and down by 1
MHz from the frequency being displayed. Hence UP from 7.050 MHz brings
you to 8.050 MHz, not 8.000 MHz. If you happen to land within a ham
band, so be it.

> What is really needed is one button press to get to the band you want.

Agreed. Direct band selection is a must-have feature. I and many others
requested this item way back when the discussions about what features an
"improved" K2 should have first began.

> ...  Standing on your head while twisting a knob behind one's back
> isn't  either.

Your concept of "operating position" is radically different from mine! I
usually sit in a chair facing my radio.

Cheers,
Gus Hansen


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