Re: [Elecraft] K3 not turning off

2010-04-29 Thread Glenn VK4FZ

Thanks to all that replied...I removed the ACC/RS232 PCB and cleaned the
pins...
All works OK now
Thanks again
Glenn
VK4FZ
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread Rick Tavan N6XI
And if someone can format K3 ref material for Blackberry, I suspect
Eric will bless that, too. It "WBVN" to have at least a Quick Ref!

Rick N6XI

On 4/27/10, Eric Swartz - WA6HHQ, Elecraft  wrote:
> Mike,  Thanks for doing this. Looks good.
>
> In general, please ask us for permission first before reproducing our
> copyrighted material for wide distribution. In general we'll likely OK
> it for free apps like this, but it is a legal requirement for us to
> protect our copyrights.
>
> I'm officially giving our OK for this one. :-)
>
> Please add "K3 Programmer's Reference (c) 2010 Elecraft, Inc., Used with
> permission" to your app.
>
> 73, Eric   WA6HHQ
> (Wearing my Elecraft COO hat.)
> ===
>
>
>
> On 4/26/2010 4:47 PM, Michael Downs wrote:
>> For those of you who have an iPhone and would like to have the K3
>> Programmer's Reference as a handy reference on your iPhone, read on.
>>
>> I have developed an iPhone app that puts the entire K3 Programmer's
>> Reference document in iPhone format for your use. It also includes
>> appropriate supplemental information from the K3 Owner's Manual
>> incorporated into the reference to make less cross checking necessary as
>> you program your PC to control the K3 or write macros.
>>
>> It is a free application available in Apple's App Store. You can find it
>> by using the search terms K3 Programmer's Guide, or just K3 or ks7d. It is
>> categorized by Apple as Reference.
>>
>> It currently is the only iPhone app available that supports the K3.
>> Hopefully some of the other K3 users will develop other iPhone apps for
>> the K3. Enjoy.
>>
>> Mike, ks7d
>>
>>
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-- 
Sent from my mobile device


Rick Tavan N6XI
Truckee, CA
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[Elecraft] K3 Speaker toggle macro

2010-04-29 Thread Mike
Julian VK4CMV, posted what I thought was a great idea, plugging 
headphones into the jack on the back of the K3, and toggling the 
external speaker(s) with a button. See P. 21 of the user manual for 
Julian's method.

I did it with a macro  MN097;UP;MN255;  using the K3 utility.

73, Mike NF4L

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Re: [Elecraft] K3 Speaker toggle macro

2010-04-29 Thread Ken K3IU
This function is available in the CONFIG menu [CONFIG:SPKR+PH] which can 
easily be assigned to one of the programmable buttons on the right hand 
side of the K3 Front Panel. It works great! I have mine on M3(Hold) and 
it cycles between "speaker and phones" and just "phones".
73,
Ken K3IU

On 4/29/2010 6:03 AM, Mike wrote:
> Julian VK4CMV, posted what I thought was a great idea, plugging
> headphones into the jack on the back of the K3, and toggling the
> external speaker(s) with a button. See P. 21 of the user manual for
> Julian's method.
>
> I did it with a macro  MN097;UP;MN255;  using the K3 utility.
>
> 73, Mike NF4L
>
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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-29 Thread Mike Scott
>>By the same reasoning, we might obtain improvement to our analog solid 
state transceivers by adding some front end vacuum tube gear! :-)

Sweet! Now we are talking about real radios!


Mike Scott - AE6WA
Tarzana, CA (DM04 / near LA)
NAQCC 3535
K3-100 #508 / KX1  #1311


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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread Phil Hystad
Actually, I was thinking that formatting such information for the iPad would be
more useful.  I have been thinking about the myriad of applications that might
be fitting for an iPad in my shack.  What I need is the time to create them and
unfortunately I will not have that time this year but maybe someone else can
do it.

Aside from the documentation features, I am curious about using the iPad USB
audio capability for doing digital modes using something like the Signalink USB
device.

Or, a smart circuit diagram would be nice.  The fact that you have a touch 
screen
with very fast scroll  and positioning ability through finger swipes and other 
gestures allows you to create a very nice 3-dimensional circuit diagram reader.
The diagram would be complete in 2-dimensions, that is, no separate pages for
continuation.  And, zooming (even using finger gestures for zoom control) allows
you to go into deeper detail.  For example, the top level can be like a block 
diagram of the circuit layout but zooming in gives you access to greater detail
of the circuit.  Of course, who is to stop this from going all the way to a 
great
circuit analysis program -- maybe we could call it iCap.

Just a few things I would like to see or even build myself if I have the time.
Unfortunately, my day job, vacations, other hobbies (woodworking), and just
POHR (plain old ham radio) cut into my available time.

73, phil, K7PEH


On Apr 29, 2010, at 2:45 AM, Rick Tavan N6XI wrote:

> And if someone can format K3 ref material for Blackberry, I suspect
> Eric will bless that, too. It "WBVN" to have at least a Quick Ref!
> 
> Rick N6XI
> 
> On 4/27/10, Eric Swartz - WA6HHQ, Elecraft  wrote:
>> Mike,  Thanks for doing this. Looks good.
>> 
>> In general, please ask us for permission first before reproducing our
>> copyrighted material for wide distribution. In general we'll likely OK
>> it for free apps like this, but it is a legal requirement for us to
>> protect our copyrights.
>> 
>> I'm officially giving our OK for this one. :-)
>> 
>> Please add "K3 Programmer's Reference (c) 2010 Elecraft, Inc., Used with
>> permission" to your app.
>> 
>> 73, Eric   WA6HHQ
>> (Wearing my Elecraft COO hat.)
>> ===
>> 
>> 
>> 
>> On 4/26/2010 4:47 PM, Michael Downs wrote:
>>> For those of you who have an iPhone and would like to have the K3
>>> Programmer's Reference as a handy reference on your iPhone, read on.
>>> 
>>> I have developed an iPhone app that puts the entire K3 Programmer's
>>> Reference document in iPhone format for your use. It also includes
>>> appropriate supplemental information from the K3 Owner's Manual
>>> incorporated into the reference to make less cross checking necessary as
>>> you program your PC to control the K3 or write macros.
>>> 
>>> It is a free application available in Apple's App Store. You can find it
>>> by using the search terms K3 Programmer's Guide, or just K3 or ks7d. It is
>>> categorized by Apple as Reference.
>>> 
>>> It currently is the only iPhone app available that supports the K3.
>>> Hopefully some of the other K3 users will develop other iPhone apps for
>>> the K3. Enjoy.
>>> 
>>> Mike, ks7d
>>> 
>>> 
>> __
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> 
> -- 
> Sent from my mobile device
> 
> 
> Rick Tavan N6XI
> Truckee, CA
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Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem

2010-04-29 Thread Radio Amateur N5GE
On Wed, 28 Apr 2010 09:20:13 -0700, Phil Hystad 
wrote:

Phil,

I'm confused.  

You say that your side tone pitch is changing, but from your statement
below it sounds to me as though you are talking about the received
signal from the station you are working.  If that is true, then the
problem would not be with the K3 side tone, but with the stability of
the transmitter at the other end.  When this occurs after "a slight
pause in the senders signal", then it would mean that the sender's
transmitted frequency has changed during the pause.  Many older tube
type rigs exhibit this behavior for many reasons.  You will hear this
sort of behavior from many of the Cuban stations on the air, because
they have no access to modern radio equipment (unless they are a "good
Party Member").

TOM, N5GE BT 73 ES GUD LUK
AR DE N5GE SK

http://www.n5ge.com

>A while back I raised the question of whether others had the same symptoms I 
>had been hearing of the CW sidetone pitch of a received signal all of a sudden 
>changing by so-many Hz (maybe up to 50 Hz but just guessing).  It appears to 
>happen when there is a slight pause in the senders signal and it almost sounds 
>like some other station, a few Hz away has jumped into the party but that is 
>not the case -- only a single station sending.
[snip]

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Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem

2010-04-29 Thread Bill W4ZV


Radio Amateur N5GE wrote:
> 
> You say that your side tone pitch is changing, but from your statement
> below it sounds to me as though you are talking about the received
> signal from the station you are working.  If that is true, then the
> problem would not be with the K3 side tone, but with the stability of
> the transmitter at the other end.  
> 

I believe Phil is referring to the pitch of received signals over ~S9. 
Here's his original post and thread from over a month ago:

http://elecraft.365791.n2.nabble.com/K3-Subtle-Change-in-CW-monitor-tone-td4717926.html#a4721510

The pitch change is very subtle (<1 Hz change) and seems to occur mainly on
strong received signals.  Rather than being a transmit artifact of the
external signal, it seems to be something inside the K3...noticeable only if
you can discern very slight frequency changes.  It's not annoying to me but
more of a curiosity as to what may be causing it.

73,  Bill

73,  Bill
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread lstavenhagen

I'm also sorely tempted to get an iPad, even tho it's a One-point-Oh version
and surely infested with the usual bugs of a One-point-Oh. But if it really
pans out over time as a good multimedia device, I could see it as a neat
alternative for doing digital modes; i.e. the sound card ones like PSK and
AFSK in particular. Especially for portable ops due to its size.

I'm going to go check it out at the local appl store this week (still trying
to determine exactly what I/O capabilities it actually has)

LS
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread Matt Palmer
Think your better off with a netbook for that kind of stuff, ipad
doesn't have i/o at all, no audio input and a fairly limited
processor, its more of a dumb tablet for web browsing and running
little apps. And for the price, you could pick up 3 netbooks and put
whatever flavor of *nix or windows on it that you like (even os x).
Not to say tablets dont have potential but currently they seem to be
little more than internet 'appliances'.

Matt
W8ESE
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Re: [Elecraft] Fw: PR6 6 Meter Preamp Installation

2010-04-29 Thread Terry Schieler
True, Ken.  However, my ultimate request was whether anyone has investigated
the possibility of putting the PR6 totally *INSIDE* the K3?

Terry, W0FM

-Original Message-
From: Ken Kopp [mailto:k...@rfwave.net] 
Sent: Wednesday, April 28, 2010 8:56 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Fw: PR6 6 Meter Preamp Installation




 My PR6 is connected with two 6" BNC <-> BNC cables.
Connecting it using two "double male" BNC's seems
like certain damage, sooner or later. (;-)
 
 73! Ken Kopp - K0PP
   elecraftcov...@rfwave.net




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Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem

2010-04-29 Thread Rick Prather
Wow <1Hz change?

You guys violinists for the SF Symphony?

I'm impressed!

Rick
K6LE

On 4/29/2010, at 8:40 , Bill W4ZV wrote:
> 
> The pitch change is very subtle (<1 Hz change) 
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread Monty Shultes
I will have my iPad tomorrow, with cell phone modem.  Contrary to other 
posts, you can add a USB port - already have that little gizmo ready to 
attach.

Monty  K2DLJ
>
> I'm also sorely tempted to get an iPad, even tho it's a One-point-Oh 
> version
> and surely infested with the usual bugs of a One-point-Oh. But if it 
> really
> pans out over time as a good multimedia device, I could see it as a neat
> alternative for doing digital modes; i.e. the sound card ones like PSK and
> AFSK in particular. Especially for portable ops due to its size.
>
> 

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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread Kok Chen

On Apr 29, 2010, at 4/299:26 AM, Matt Palmer wrote:

> ... ipad doesn't have i/o at all, no audio input...

You are probably not aware that the iPad's "Camera Connection Kit"  
supports a USB Class Compliant sound card.

73
Chen, W7AY

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Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem

2010-04-29 Thread Bob McGraw - K4TAX
More likely the low level distortion created in the analog audio path 
typically occurring with the stronger signals.  That distortion is therefore 
multiples of the fundamental and the human hearing will allow the higher 
frequency components to be dominate, often described as masking effect thus 
perceived to be louder.  It is the combination of F + Fx2 + Fx3 and etc. 
This is usually the result of the dither component of digitally processed 
signals.  A 2nd point with stronger signals the background noise, always 
higher in frequency content, will be suppressed thus the timbre of the 
signal will change as the reference point of hearing changes.

A very common psychoacoustic condition with two legged folks referred to as 
human.

73
Bob, K4TAX

- Original Message - 
From: "Rick Prather" 
To: "Bill W4ZV" 
Cc: 
Sent: Thursday, April 29, 2010 11:44 AM
Subject: Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem


> Wow <1Hz change?
>
> You guys violinists for the SF Symphony?
>
> I'm impressed!
>
> Rick
> K6LE
>
> On 4/29/2010, at 8:40 , Bill W4ZV wrote:
>>
>> The pitch change is very subtle (<1 Hz change)
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> 


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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread Matt Palmer
And then an app needs to be written that supports all that, I'll still
stick to cheap available hardware over vapor ware myself. And wait
until tablets come into their own (again, I had an original newton too
bad they didn't take off with that). I do suppose someone has to be a
trail blazer.
Matt
W8ESE




On Thu, Apr 29, 2010 at 12:04 PM, Kok Chen  wrote:
>
> On Apr 29, 2010, at 4/29    9:26 AM, Matt Palmer wrote:
>
>> ... ipad doesn't have i/o at all, no audio input...
>
> You are probably not aware that the iPad's "Camera Connection Kit"
> supports a USB Class Compliant sound card.
>
> 73
> Chen, W7AY
>
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread Darin Land
You are talking to the right guy (W7AY) about software, maybe we'll see 
CocoaModem on the iPad.  :)

On 4/29/2010 10:11 AM, Matt Palmer wrote:
> And then an app needs to be written that supports all that, I'll still
> stick to cheap available hardware over vapor ware myself. And wait
> until tablets come into their own (again, I had an original newton too
> bad they didn't take off with that). I do suppose someone has to be a
> trail blazer.
> Matt
> W8ESE
>
>
>
>
> On Thu, Apr 29, 2010 at 12:04 PM, Kok Chen  wrote:
>
>> On Apr 29, 2010, at 4/299:26 AM, Matt Palmer wrote:
>>
>>  
>>> ... ipad doesn't have i/o at all, no audio input...
>>>
>> You are probably not aware that the iPad's "Camera Connection Kit"
>> supports a USB Class Compliant sound card.
>>
>> 73
>> Chen, W7AY
>>
>> __
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>>  
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread Kok Chen

On Apr 29, 2010, at 4/2910:11 AM, Matt Palmer wrote:

> And then an app needs to be written that supports all that...

A very basic PSK31 app for the iPod Touch has been available through  
the Apple app store for a while now.

http://itunes.apple.com/us/app/i-psk31/id329842689?mt=8
http://www.youtube.com/watch?v=e4SIB6wCMfs

You tune the old fashion way, using the rig's knob, urgh.  But, it  
does decode BPSK31 and has a small (500 Hz wide) spectrum display --  
not too shabby given the slow iPod Touch processor.

(iPhone OS 4.0 will have internal support for stuff like convolutions  
and FFTs, probably mirroring the vDSP framework in Mac OS X.)

73
Chen, W7AY

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Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem

2010-04-29 Thread Bill W4ZV


Rick Prather-2 wrote:
> 
> Wow <1Hz change?
> 
> You guys violinists for the SF Symphony?
> 
> I'm impressed!
> 

It's a gift from God and you could have it too!  Click "Adaptive Pitch" to
the right here:

http://tonometric.com/adaptivepitch/

"This adaptive pitch test will play a series of two short tones and ask you
if the second tone is higher or lower than the first tone. This test
measures your pitch perception abilities by adapting to your responses: The
better you are, the closer and closer the stimuli will become. As you
advance in the test, it may sound as if the two tones are identical. This is
never the case: they will always be a different pitch, even if that
difference is imperceptible."

I forget the exact histogram breakpoints but I believe ~20% of folks can
resolve <1 Hz.  If you take the test, you'll see the histogram and where you
fall on it. 

Have fun!

73,  Bill


-- 
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread lstavenhagen

Well the problems with the tablets of the past have typically been poor
performance and just being too crippled to really do anything useful. I.e.,
you touch it to do something and it grinds and grinds and then maybe pops u
a window etc

I guess it remains to be seen if the iPad gets around those problems. From
the videos of it the UI seems to have good performance. Hopefully the USB
support will be enough to do real I/O (tho having to buy expensive
accessories might not be good for its long-term health in the marketplace). 
Also, it seems you can hook a keyboard up to it through its dock (tho it's
not clear to me yet what that actually does for you I/O-wise). And apple has
already released an SDK for it 

So we'll see. It'd be really dandy for use with a portable PSK station for
example (something along the lines of the iPod app Chen posted a little
while ago)

73,
LS
W5QD
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Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem

2010-04-29 Thread briana
Rick Prather-2 wrote:

>>Wow <1Hz change?
>>
>>You guys violinists for the SF Symphony?
>>
>>I'm impressed!
>>
>>
>>
Yeah that's the good news.  The bad news is that they can only hear from 
500- 600 Hz.

It would seem that the lower the frequency the better one should be able 
to resolve pitch differences.
Wonder if that is so.

73 de Brian/K3KO
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread Jon Moody
Phil,

Those are some good ideas.   Now a days in retirement I write iDevice Apps
for fun and profit and I have been noticing more and more Ham Radio based
apps.  There is already a digital mode app for the iPad in case you were
interested.  It is called I-Psk31 but it has had mixed reviews.  I too have
been doing a lot of thinking about how to take advantage of the iPad.  I
think I might take on a digital mode app as I think that would be a great
use of the iPad.  There are also several other Ham Radio apps that I have
been using.  PockeSat3 which is pretty good on the iPhone;  but what you
could do with that  data on the iPad is just mind boggling (I am
easily boggled ;).  ARRL Study exams even though that is really an iPhone
application it really works well on the iPad.  3D Sun while technically not
a Ham Radio app is still just really really cool.  HF Beacons isn't too bad
either but it is just a port of the PC versions and is just screaming for a
more multi touch based interface.  Using these apps in conjunction with
either The Weather Channel App or the WunderMap really gives you a lot of
the information that you  need in one place for chasing DX or Sats.

I also think the iPad could be a way to centralize operation and control of
all of your radios in one place either in the shack or even remotely. Can
you imagine using an iPad in a Contest as a single operator multiple radios
and moving frequencies around between the radios with just a flick of a
finger?  Or having a database that stored configurations that you could
change at the flick of a finger ?  I can imagine having one radio set to a
really important frequency that you are monitoring in the background.  When
it hears something interesting it can then make that radio move from the
background to the foreground alerting you and making control of that
radio immediately available.

It is definitely very interesting technology.   If there are other ideas out
their for the iDevices that you either don't have time or the expertise to
implement I would be glad to discuss with you.

-- 
Thanks
Jon KG6VDW
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-29 Thread Jeff KB2M
 What the  iPad really is, it's a way for schools to save tons of money on
textbooks. My HS teacher GF is already talking about it among her pears'. I
bet in 5 years the book will be history like the audio record, VHS cassette,
non DSP radios(to keep on K3 topic),etc

73 Jeff kb2m
 

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Matt Palmer
Sent: Thursday, April 29, 2010 12:27 PM
To: lstavenhagen
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 Programmer's Reference iPhone App Available

Think your better off with a netbook for that kind of stuff, ipad
doesn't have i/o at all, no audio input and a fairly limited
processor, its more of a dumb tablet for web browsing and running
little apps. And for the price, you could pick up 3 netbooks and put
whatever flavor of *nix or windows on it that you like (even os x).
Not to say tablets dont have potential but currently they seem to be
little more than internet 'appliances'.

Matt
W8ESE

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[Elecraft] PR6 6 meter antenna connections

2010-04-29 Thread Gil WA5YKK
For the six meter PR6 owners and users;

  I've followed the factory guides on the PR6, no problems with 
installing it, but I'm totally befuddled about where the 6 meter antenna 
itself is connected! All the text does is refer to different K3 
connections, in terms that are fuzzy to me at best, bearing in mind that 
my brain is still "fuzzed over" from a case of the flu, and a lot of 
items aren't making sense right now anyhow.
   Would the experts in the group kindly give me an explanation of what 
cable goes where, to make this system work? The Elecraft tech support 
goes into a vernacular which makes little to no sense to a late '50s era 
beginner, "before logic gates and bypass modes".
   Sorry for sounding like a babe in the woods, but I have almost no 
time for thinking things through, too many work items to accomplish with 
a spine that's telling me I'm nearly headed for a wheelchair!

Thanks for any input that clears the clouds.
73's
Gil WA5YKK
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Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem

2010-04-29 Thread Rick Johnson


Haa  I guess .1875 isn't too bad for a 72 year old goatAnd I can also 
hear the occasional pitch change in sidetone...about 2 hz I guestimate.It does 
not bother me tho.

Rick  W3BI~~

> Date: Thu, 29 Apr 2010 10:44:16 -0700
> From: btipp...@alum.mit.edu
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem
> 
> 
> 
> Rick Prather-2 wrote:
> > 
> > Wow <1Hz change?
> > 
> > You guys violinists for the SF Symphony?
> > 
> > I'm impressed!
> > 
> 
> It's a gift from God and you could have it too!  Click "Adaptive Pitch" to
> the right here:
> 
> http://tonometric.com/adaptivepitch/
> 
> "This adaptive pitch test will play a series of two short tones and ask you
> if the second tone is higher or lower than the first tone. This test
> measures your pitch perception abilities by adapting to your responses: The
> better you are, the closer and closer the stimuli will become. As you
> advance in the test, it may sound as if the two tones are identical. This is
> never the case: they will always be a different pitch, even if that
> difference is imperceptible."
> 
> I forget the exact histogram breakpoints but I believe ~20% of folks can
> resolve <1 Hz.  If you take the test, you'll see the histogram and where you
> fall on it. 
> 
> Have fun!
> 
> 73,  Bill
> 
> 
> -- 
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K3-CW-Sidetone-Pitch-Change-Problem-tp4975385p4981305.html
> Sent from the [K3] mailing list archive at Nabble.com.
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The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with 
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Re: [Elecraft] Fw: PR6 6 Meter Preamp Installation

2010-04-29 Thread Eric Swartz - WA6HHQ, Elecraft
We designed thePR6 to mount with the double male BNCs and sell the 
BNC-MM's just for this purpose. Its quite strong and we have never seen 
a problem using it this way.

Of course you can also use short lengths of Male-Male BNC cables to do 
the same thing.

I don't see an easy way to mount it inside the K3.

73, Eric


On 4/29/2010 9:29 AM, Terry Schieler wrote:
> True, Ken.  However, my ultimate request was whether anyone has investigated
> the possibility of putting the PR6 totally *INSIDE* the K3?
>
> Terry, W0FM
>
> -Original Message-
> From: Ken Kopp [mailto:k...@rfwave.net]
> Sent: Wednesday, April 28, 2010 8:56 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Fw: PR6 6 Meter Preamp Installation
>
>   My PR6 is connected with two 6" BNC<->  BNC cables.
> Connecting it using two "double male" BNC's seems
> like certain damage, sooner or later. (;-)
>
>
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available [End of thread]

2010-04-29 Thread Eric Swartz - WA6HHQ, Elecraft
Let's end this thread today to avoid list email overload.  We're 
drifting afield from Ham Radio and Elecraft topic relevance.

73, Eric
Elecraft List moderator


On 4/29/2010 11:31 AM, Jeff KB2M wrote:
>   What the  iPad really is, it's a way for schools to save tons of money on
> textbooks.
>
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Re: [Elecraft] PR6 6 meter antenna connections

2010-04-29 Thread Lew Phelps K6LMP
Don't feel alone, Gil.

I went through the same head-scratching several months ago, when I bought my 
PR6.

connection is actually quite simple. 

Your 6 m antenna connects to the HF antenna jack on the back of the rig ( 
ANT-1.)

Connect the 6 m preamp to the "receive only" bnc jacks on the transverter 
interface.  connect  12 V power to the preamp using the supplied RCA plug that 
goes into the auxiliary 12  RCA-style 12 V jack on the back of the rig, enter 
connects to the preamp with the small 3-pin  connector attached with red and 
black wires to the RCA plug. Make sure it is oriented properly; the red wire 
goes toward the rig and the white wire away from it. The plug is not polarized, 
so it is possible to put it in backwards. No harm if you do, but the preamp 
won't work.

You have one additional setup question to deal with. Do you want to preamp to 
be powered whenever the rig is on, or only when the rig is tuned to the 6 m 
band? If "always on" is your preference, your setup is done. If you want the 
preamp to be powered only when the rig is tuned to 6 m, then you need to remove 
the jumper from J2  (see  instruction manual),  and connect the supplied db-15 
connector with one  white wire coming out of it to the AUX
 DB-15 jack on the back of the rig. Go into the config menu  and set DIGOUT1  
to "on" with the rig tuned to 6 m, and to make sure that DIGOUT1 is set to 
"off" for all other bands. That  configuration will power up the preamp when 
you switch the rig to 6 m.

To engage the preamp,  simply tune your  rig to the 6 m band and press the RX 
ANT button on the front of the rig,  (near the power button). When you do that, 
the K3  will automatically route the receive signal to the RX ANT module,  
through the  6 m preamp, and back to the front to end of the K3  receiver.  
When you transmit, the  rig  will automatically bypasses the receive  antenna 
circuitry, and sends the transmit signal directly out through the ANT-1  
connector.

For normal use on 6 m, you don't connect anything to the "outboard" pair of bnc 
jacks on the preamp.   those basically exist to provide the receive only 
antenna functionality for every band other than 6 m,   since the preamp is 
bypassed when the preamp is  powered off.   in this mode, a receive only signal 
goes directly from the "outboard" pair of BNC jacks to the "inboard" pair that 
are connected to the rig itself.

When you first hook this thing up, it's natural to assume that the 6 m antenna 
ought to connect to the 6 m preamp, but it doesn't. The 6 m received signal 
simply takes a little detour from  the main antenna input jack through the 
preamp, and then back into the receiver. It's like stopping at Starbucks for an 
espresso to give yourself a boost before you go on a long trip (through the 
receiver).

Hope this helps.

Lew  k6lmp


> For the six meter PR6 owners and users;
> 
>  I've followed the factory guides on the PR6, no problems with 
> installing it, but I'm totally befuddled about where the 6 meter antenna 
> itself is connected! All the text does is refer to different K3 
> connections, in terms that are fuzzy to me at best, bearing in mind that 
> my brain is still "fuzzed over" from a case of the flu, and a lot of 
> items aren't making sense right now anyhow.
>   Would the experts in the group kindly give me an explanation of what 
> cable goes where, to make this system work? The Elecraft tech support 
> goes into a vernacular which makes little to no sense to a late '50s era 
> beginner, "before logic gates and bypass modes".
>   Sorry for sounding like a babe in the woods, but I have almost no 
> time for thinking things through, too many work items to accomplish with 
> a spine that's telling me I'm nearly headed for a wheelchair!
> 

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Re: [Elecraft] K3 Speaker toggle macro

2010-04-29 Thread Leigh L. Klotz Jr WA5ZNU

I put it on RIT (for the "receive" mnemonic) and have the XIT button set to
bring up the MIC SEL menu.
Leigh/WA5ZNU
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Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem

2010-04-29 Thread Rick Prather
That's very interesting.

Thanks,

Rick
K6LE

On 4/29/2010, at 10:44 , Bill W4ZV wrote:

> 
> 
> Rick Prather-2 wrote:
>> 
>> Wow <1Hz change?
>> 
>> You guys violinists for the SF Symphony?
>> 
>> I'm impressed!
>> 
> 
> It's a gift from God and you could have it too!  Click "Adaptive Pitch" to
> the right here:
> 
> http://tonometric.com/adaptivepitch/
> 
> "This adaptive pitch test will play a series of two short tones and ask you
> if the second tone is higher or lower than the first tone. This test
> measures your pitch perception abilities by adapting to your responses: The
> better you are, the closer and closer the stimuli will become. As you
> advance in the test, it may sound as if the two tones are identical. This is
> never the case: they will always be a different pitch, even if that
> difference is imperceptible."
> 
> I forget the exact histogram breakpoints but I believe ~20% of folks can
> resolve <1 Hz.  If you take the test, you'll see the histogram and where you
> fall on it. 
> 
> Have fun!
> 
> 73,  Bill
> 

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Re: [Elecraft] OT MFJ 259B analyzer SOLD pending payment

2010-04-29 Thread David Christ
He is waiting for the check

At 2:08 PM -0500 4/28/10, David Christ wrote:
>Antennas and SWR seem to be an ongoing topic on this list so I
>thought I would mention that a friend of mine has an almost new MFJ
>259B antenna analyzer for sale.  He wants to get something more
>advanced.  He was mentioning $200.  I think that included some
>accessories.
>
>If interested contact him directly as I have no further information.
>Bill  K7BVO   be...@cox.net
>
>
>David K0LUM
>--
>Education should be an accumulation of understanding, not just an
>accumulation of facts.
>Dr. David M. Pozar
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-- 
Education should be an accumulation of understanding, not just an 
accumulation of facts.
Dr. David M. Pozar
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[Elecraft] CW/CW-REV config option

2010-04-29 Thread Rich - K1HTV
Am I the only one who prefers to tune 'Up the Band' into a CW signal rather than
from a frequency above a CW signal to receive it? Apparently not, since there is
a 'CW-REV' button on the K3 as well as on many other radios. 

Over the past 5 decades, I've become accustomed to tuning in CW stations from
below the signal's transmitted frequency. Not all radios define 'CW' and
'CW-REV' the same way. The Kenwood TS850 and other Kenwood transceivers have the
user tuning into CW signals from below. Using narrow bandwith, a CW signal
quickly disappears as the receiver is tuned above the signal frequency. Icom
radios and the K3 are the opposite, where the 'CW' mode has the user tuning in
CW stations from above the signal's frequency.  Users who wish to tune from
below and into a signal must switch to 'CW-REV'. This is not a problem since the
K3 remembers this preference on each band. 

However, when rig controlling software programs such as CT, N1MM, RXCLUS, etc.
are used, every time the 'CW' mode command is sent by the program to the K3, the
radio switches to the 'CW' mode rather that the prefered 'CW-REV' mode. 

Would it be possible to have a CONFIG setting which would allow the user to
define 'CW' and 'CW-REV' modes, that is, the way of tuning into CW signal
frequencies (lower to higher or higher to lower)?  If this option was available,
when radio controlling software sent a generic 'CW' mode change to the K3,  it
would respond by switching to the user's prefered way (CW or CW-REV) of tuning
into CW signals.

What say?

73,
Rich - K1HTV

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Re: [Elecraft] [K3] CW Sidetone Pitch Change Problem - key clicks

2010-04-29 Thread paulb

Good morning folks

Noticed the odd pitch change a while ago, it is
on strong sigs over s9.
It is heard on some signals more
than others. The only thing  I have found is
CW with moderate to bad key clicks seem to have this
odd tonal shift, compared to clean CW at the same
received level.

regards

Paul 
zl1ajy
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Re: [Elecraft] PR6 6 meter antenna connections

2010-04-29 Thread Elliott Lawrence
Or it you have a dedicated 6M antenna and the ATUconnect it to Ant-2 and 
make sure that ant position is selected for 6M!
73
Elliott WA6TLA
- Original Message - 
From: "Lew Phelps K6LMP" 
To: "Elecraft" 
Cc: "Gil WA5YKK" 
Sent: Thursday, April 29, 2010 12:32 PM
Subject: Re: [Elecraft] PR6 6 meter antenna connections


> Don't feel alone, Gil.
>
> I went through the same head-scratching several months ago, when I bought 
> my PR6.
>
> connection is actually quite simple.
>
> Your 6 m antenna connects to the HF antenna jack on the back of the rig 
> ( ANT-1.)
>
> Connect the 6 m preamp to the "receive only" bnc jacks on the transverter 
> interface.  connect  12 V power to the preamp using the supplied RCA plug 
> that goes into the auxiliary 12  RCA-style 12 V jack on the back of the 
> rig, enter connects to the preamp with the small 3-pin  connector attached 
> with red and black wires to the RCA plug. Make sure it is oriented 
> properly; the red wire goes toward the rig and the white wire away from 
> it. The plug is not polarized, so it is possible to put it in backwards. 
> No harm if you do, but the preamp won't work.
>
> You have one additional setup question to deal with. Do you want to preamp 
> to be powered whenever the rig is on, or only when the rig is tuned to the 
> 6 m band? If "always on" is your preference, your setup is done. If you 
> want the preamp to be powered only when the rig is tuned to 6 m, then you 
> need to remove the jumper from J2  (see  instruction manual),  and connect 
> the supplied db-15 connector with one  white wire coming out of it to the 
> AUX
> DB-15 jack on the back of the rig. Go into the config menu  and set 
> DIGOUT1  to "on" with the rig tuned to 6 m, and to make sure that DIGOUT1 
> is set to "off" for all other bands. That  configuration will power up the 
> preamp when you switch the rig to 6 m.
>
> To engage the preamp,  simply tune your  rig to the 6 m band and press the 
> RX ANT button on the front of the rig,  (near the power button). When you 
> do that, the K3  will automatically route the receive signal to the RX ANT 
> module,  through the  6 m preamp, and back to the front to end of the K3 
> receiver.  When you transmit, the  rig  will automatically bypasses the 
> receive  antenna circuitry, and sends the transmit signal directly out 
> through the ANT-1  connector.
>
> For normal use on 6 m, you don't connect anything to the "outboard" pair 
> of bnc jacks on the preamp.   those basically exist to provide the receive 
> only antenna functionality for every band other than 6 m,   since the 
> preamp is bypassed when the preamp is  powered off.   in this mode, a 
> receive only signal goes directly from the "outboard" pair of BNC jacks to 
> the "inboard" pair that are connected to the rig itself.
>
> When you first hook this thing up, it's natural to assume that the 6 m 
> antenna ought to connect to the 6 m preamp, but it doesn't. The 6 m 
> received signal simply takes a little detour from  the main antenna input 
> jack through the preamp, and then back into the receiver. It's like 
> stopping at Starbucks for an espresso to give yourself a boost before you 
> go on a long trip (through the receiver).
>
> Hope this helps.
>
> Lew  k6lmp
>
>
>> For the six meter PR6 owners and users;
>>
>>  I've followed the factory guides on the PR6, no problems with
>> installing it, but I'm totally befuddled about where the 6 meter antenna
>> itself is connected! All the text does is refer to different K3
>> connections, in terms that are fuzzy to me at best, bearing in mind that
>> my brain is still "fuzzed over" from a case of the flu, and a lot of
>> items aren't making sense right now anyhow.
>>   Would the experts in the group kindly give me an explanation of what
>> cable goes where, to make this system work? The Elecraft tech support
>> goes into a vernacular which makes little to no sense to a late '50s era
>> beginner, "before logic gates and bypass modes".
>>   Sorry for sounding like a babe in the woods, but I have almost no
>> time for thinking things through, too many work items to accomplish with
>> a spine that's telling me I'm nearly headed for a wheelchair!
>>
>
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Re: [Elecraft] Fw: PR6 6 Meter Preamp Installation

2010-04-29 Thread Doug Joyce
Terry:  Another thought - I haven't ordered a PR6 yet but am planning to 
shortly.  Since I have minimal space behind the K3 on the operating shelf 
for cables etc I am planning to mount the PR6 to the double male BNC's on 
the back of the K3 but also use a pair of right angle BNCs as well so that 
the connectors from the PR6 will point up.   I haven't done any other 
measurements yet and it may cause interference with the plug from the 
microKEYER II going to the RS232 connector.  If it does I'll have to use the 
short length BNC to BNC cables as indicated by Eric.

Thought I'd mention it as a possibility.

73,  Doug   VE3MV

- Original Message - 
From: "Eric Swartz - WA6HHQ, Elecraft" 
To: "Terry Schieler" 
Cc: 
Sent: Thursday, April 29, 2010 3:13 PM
Subject: Re: [Elecraft] Fw: PR6 6 Meter Preamp Installation


> We designed thePR6 to mount with the double male BNCs and sell the
> BNC-MM's just for this purpose. Its quite strong and we have never seen
> a problem using it this way.
>
> Of course you can also use short lengths of Male-Male BNC cables to do
> the same thing.
>
> I don't see an easy way to mount it inside the K3.
>
> 73, Eric
>
>
> On 4/29/2010 9:29 AM, Terry Schieler wrote:
>> True, Ken.  However, my ultimate request was whether anyone has 
>> investigated
>> the possibility of putting the PR6 totally *INSIDE* the K3?
>>
>> Terry, W0FM
>>
>> -Original Message-
>> From: Ken Kopp [mailto:k...@rfwave.net]
>> Sent: Wednesday, April 28, 2010 8:56 PM
>> To: elecraft@mailman.qth.net
>> Subject: [Elecraft] Fw: PR6 6 Meter Preamp Installation
>>
>>   My PR6 is connected with two 6" BNC<->  BNC cables.
>> Connecting it using two "double male" BNC's seems
>> like certain damage, sooner or later. (;-)
>>
>>
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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Don Wilhelm
Rich,

The K3 CW tuning is the way I like it - tune to a higher frequency and 
the pitch of the note gets higher.  It just makes sense to me, and I 
hate radios that do it 'backwards'.

73,
Don W3FPR

Rich - K1HTV wrote:
> Am I the only one who prefers to tune 'Up the Band' into a CW signal rather 
> than
> from a frequency above a CW signal to receive it? Apparently not, since there 
> is
> a 'CW-REV' button on the K3 as well as on many other radios. 
>
>   
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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Duncan Carter
The CW-REV as configured on the K3 is essentially upper side band 
receive which is the way many receivers/transceivers such as my FT-101E 
were configured back in the Dark Ages.  I suspect many people are used 
to it.  Furthermore, the K3 tunes backwards compared to the FT-101E.  
I've had the K3 since October, 2009 and I seem to have adjusted, perhaps 
because the FT-101E hasn't been turned on since I got the K3.  I wonder why?

Dunc, W5DC
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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Juan EA5RS
Even though it is a matter of personal preference and not really critical, I
agree with Rich, I find it easier to visualize it this way:

higher pitch means the signal is higher in frequency and it fits with
(CW-REV)

you center the signal by turning VFO or RIT up(clockwise),
or center it in your passband if you shift it up (clockwise)
or notch an interferer to the right (clockwise) of the center frequency
(all three match)


If you use plain CW and the signal is high pitch then

you center the signal by turning VFO or RIT down(COUNTERCLOCKWISE),
or center in your passband if you shift it up (clockwise) -well reversed!-
or notch an interferer to the right (clockwise) of the center
(not all three movements match)


Juan,
EA5RS/EE5E

-Mensaje original-
De: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] En nombre de Don Wilhelm
Enviado el: jueves, 29 de abril de 2010 23:58
Para: Rich - K1HTV
CC: elecraft@mailman.qth.net; supp...@elecraft.com
Asunto: Re: [Elecraft] CW/CW-REV config option

Rich,

The K3 CW tuning is the way I like it - tune to a higher frequency and 
the pitch of the note gets higher.  It just makes sense to me, and I 
hate radios that do it 'backwards'.

73,
Don W3FPR

Rich - K1HTV wrote:
> Am I the only one who prefers to tune 'Up the Band' into a CW signal
rather than
> from a frequency above a CW signal to receive it? Apparently not, since
there is
> a 'CW-REV' button on the K3 as well as on many other radios. 
>
>   
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Este mensaje ha sido analizado con NOD32 antivirus system
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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread wb6rse1
For DXers, the standard for CW has always been USB. IE a higher pitch tone 
means a station higher in frequency. Very useful when looking for the "spot" 
when the DX is split and listening up. Also standard. CW USB on the K3 is 
indeed CW REV. LSB CW, for DXing,  is considered backwards. To each his own.

73 - Steve WB6RSE


On Apr 29, 2010, at 2:58 PM, Don Wilhelm wrote:

The K3 CW tuning is the way I like it - tune to a higher frequency and 
the pitch of the note gets higher.  It just makes sense to me, and I 
hate radios that do it 'backwards'.

73,
Don W3FPR

Rich - K1HTV wrote:
> Am I the only one who prefers to tune 'Up the Band' into a CW signal rather 
> than
> from a frequency above a CW signal to receive it? Apparently not, since there 
> is
> a 'CW-REV' button on the K3 as well as on many other radios. 

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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Claude Du Berger
I am using CW-REV on my K3 with N1MM.
On N1MM: Config/mode Control   = Select Use Radio Mode (Default)

73


  - Original Message - 
  From: Rich - K1HTV 
  To: supp...@elecraft.com 
  Cc: elecraft@mailman.qth.net 
  Sent: Thursday, April 29, 2010 5:42 PM
  Subject: [Elecraft] CW/CW-REV config option


  Am I the only one who prefers to tune 'Up the Band' into a CW signal rather 
than
  from a frequency above a CW signal to receive it? Apparently not, since there 
is
  a 'CW-REV' button on the K3 as well as on many other radios. 

  Over the past 5 decades, I've become accustomed to tuning in CW stations from
  below the signal's transmitted frequency. Not all radios define 'CW' and
  'CW-REV' the same way. The Kenwood TS850 and other Kenwood transceivers have 
the
  user tuning into CW signals from below. Using narrow bandwith, a CW signal
  quickly disappears as the receiver is tuned above the signal frequency. Icom
  radios and the K3 are the opposite, where the 'CW' mode has the user tuning in
  CW stations from above the signal's frequency.  Users who wish to tune from
  below and into a signal must switch to 'CW-REV'. This is not a problem since 
the
  K3 remembers this preference on each band. 

  However, when rig controlling software programs such as CT, N1MM, RXCLUS, etc.
  are used, every time the 'CW' mode command is sent by the program to the K3, 
the
  radio switches to the 'CW' mode rather that the prefered 'CW-REV' mode. 

  Would it be possible to have a CONFIG setting which would allow the user to
  define 'CW' and 'CW-REV' modes, that is, the way of tuning into CW signal
  frequencies (lower to higher or higher to lower)?  If this option was 
available,
  when radio controlling software sent a generic 'CW' mode change to the K3,  it
  would respond by switching to the user's prefered way (CW or CW-REV) of tuning
  into CW signals.

  What say?

  73,
  Rich - K1HTV

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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Bob McGraw - K4TAX
There is one radio on the market that I am aware of that uses UCW and LCW 
thus with the press of a button you have either of your choices.  Your 
preference doesn't seem at all strange to me.  The software that I use to 
control the radio offeres UCW and LCW modes.



73
Bob, K4TAX


- Original Message - 
From: "Rich - K1HTV" 
To: 
Cc: 
Sent: Thursday, April 29, 2010 4:42 PM
Subject: [Elecraft] CW/CW-REV config option


> Am I the only one who prefers to tune 'Up the Band' into a CW signal 
> rather than
> from a frequency above a CW signal to receive it? Apparently not, since 
> there is
> a 'CW-REV' button on the K3 as well as on many other radios.
>
> Over the past 5 decades, I've become accustomed to tuning in CW stations 
> from
> below the signal's transmitted frequency. Not all radios define 'CW' and
> 'CW-REV' the same way. The Kenwood TS850 and other Kenwood transceivers 
> have the
> user tuning into CW signals from below. Using narrow bandwith, a CW signal
> quickly disappears as the receiver is tuned above the signal frequency. 
> Icom
> radios and the K3 are the opposite, where the 'CW' mode has the user 
> tuning in
> CW stations from above the signal's frequency.  Users who wish to tune 
> from
> below and into a signal must switch to 'CW-REV'. This is not a problem 
> since the
> K3 remembers this preference on each band.
>
> However, when rig controlling software programs such as CT, N1MM, RXCLUS, 
> etc.
> are used, every time the 'CW' mode command is sent by the program to the 
> K3, the
> radio switches to the 'CW' mode rather that the prefered 'CW-REV' mode.
>
> Would it be possible to have a CONFIG setting which would allow the user 
> to
> define 'CW' and 'CW-REV' modes, that is, the way of tuning into CW signal
> frequencies (lower to higher or higher to lower)?  If this option was 
> available,
> when radio controlling software sent a generic 'CW' mode change to the K3, 
> it
> would respond by switching to the user's prefered way (CW or CW-REV) of 
> tuning
> into CW signals.
>
> What say?
>
> 73,
> Rich - K1HTV
>
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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Joe Subich, W4TV

On 4/29/2010 5:42 PM, Rich - K1HTV wrote:
 > However, when rig controlling software programs such as CT, N1MM,
 > RXCLUS, etc. are used, every time the 'CW' mode command is sent by
 > the program to the K3, the radio switches to the 'CW' mode rather
 > that the prefered 'CW-REV' mode.

There is no need to change the K3.  N1MM Logger and other well designed
programs (e.g., DXLab Suite) allow the user to select CW or CW-Rev as
the default when changing bands or "clicking on a spot."  RTFM ...

Why add something more to the K3 that will just provide more chance of
confusing the user when well designed software deals with the radio
just fine as it is?

73,

... Joe, W4TV


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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Don Wilhelm
Steve,

Interesting -- I never really gave it much thought, except I preferred 
LSB CW for the reason I stated - it keeps *my* head straight.  It may be 
a thing more common to the QRP community.  Anyway, Wayne designed the K2 
and K3 normal CW to be LSB, and the K1 is always LSB.
In the K2, just hold the REV button and it switches sidebands, and on 
the K3 the sideband is remembered per band, so that can keep all of us 
happy.  If you want it the other way 'round, just hold the REV button, 
and you have your preference.

73,
Don W3FPR

wb6r...@mac.com wrote:
> For DXers, the standard for CW has always been USB. IE a higher pitch tone 
> means a station higher in frequency. Very useful when looking for the "spot" 
> when the DX is split and listening up. Also standard. CW USB on the K3 is 
> indeed CW REV. LSB CW, for DXing,  is considered backwards. To each his own.
>
> 73 - Steve WB6RSE
>
>
> On Apr 29, 2010, at 2:58 PM, Don Wilhelm wrote:
>
> The K3 CW tuning is the way I like it - tune to a higher frequency and 
> the pitch of the note gets higher.  It just makes sense to me, and I 
> hate radios that do it 'backwards'.
>   
>
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[Elecraft] P3 weak sig detection / 2m internal transverter

2010-04-29 Thread Bill Davis Jr

Question#1

  This may be a question for Dick Divendorf or "P3 beta testers".

  I use a K3/10 as my IF for VHF/UHF and Microwave operations. I am always 
looking for WEAK signals. My K3 has a SoftRock driven by a buffer amp on the IF 
port for a Panadapter and it works very well. I can see signals too weak to 
work by about 5db using "Rocky" software spectrum display. Rocky's "slow 
waterfall" is slightly better in detecting weak signals, 
but to what degree in db, I have not determined.

  For me, other software like PowerSDR does not display the really weak signals 
as well.

  My question, is there anything in the P3's operation that would offer any 
better weak signal detection? Any direct observations between the P3 and other 
panadapter systems with the K3.

  


Question#2

  Anyone out there have any weak signal experience with the 2m internal 
transverter yet. It's tempting, but I need very low level 144Mhz (a few 
milliwatts) to drive the high band transverters as well 10watts or so for 2m 
drive for 2m amplifiers.
I am doing that with an external DEM 2m transverter at the moment. I may need 
more flexibility of levels than may be easily obtained with the internal 
xverter.

 For you weak signal types... EME etc ... how is the internal xverter stacking 
up? 

THANKS and 73  Bill  K0AWU  EN37ed 

  
  
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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Gary, W7TEA

I agree Rich.  After a string of Kenwood rigs starting with a TS 820S, I've
gotten used to tuning from the bottom of the band.  MacLoggerDX allows me to
map the program so that clicking on a CW spot delivers CW-R.  

73
Gary W7TEA

-
73,

Gary W7TEA  K3 #1001
-- 
View this message in context: 
http://elecraft.365791.n2.nabble.com/CW-CW-REV-config-option-tp4982568p4983009.html
Sent from the [K3] mailing list archive at Nabble.com.
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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Ralph Parker
>There is no need to change the K3...
>Why add something more to the K3 that will just provide more chance of
confusing the user...

Well then, let's just freeze the K3 as it is today, and not make further
software or hardware changes.

VE7XF

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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Don Wilhelm
Bob,

If that "one" radio is something other than an Elecraft brand, change 
that "one" to "at least 5".  The K2 and the K3 will switch sidebands at 
the touch of a button too (actually a hold).  My Yaesu 847 has quick CW 
sideband switching as does the FT-817, and my Yaesu FT-900 also allows 
the user to select the CW sideband, but it is not as quick and easy as 
on the K2 or K3 or the other Yaesus.  I have all mine set to LSB CW!

The Yaesu default is to USB CW, while the K2 and K3 default is to LSB CW 
- it is very easily changed - just hold the REV button.
Interaction with logging software may be a different consideration, read 
the documentation for your preferred application for the details.  Some 
will follow the transceiver settings, while others may try to "do it 
their way".  If you have problems with that aspect, contact the software 
author.

73,
Don W3FPR

Bob McGraw - K4TAX wrote:
> There is one radio on the market that I am aware of that uses UCW and LCW 
> thus with the press of a button you have either of your choices.  Your 
> preference doesn't seem at all strange to me.  The software that I use to 
> control the radio offeres UCW and LCW modes.
>   
>
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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Jeff Cochrane - VK4BOF
- Original Message - 
  From: Ralph Parker 
  To: Elecraft@mailman.qth.net 
  Sent: Friday, April 30, 2010 9:50 AM
  Subject: Re: [Elecraft] CW/CW-REV config option


  >There is no need to change the K3...
  >Why add something more to the K3 that will just provide more chance of
  confusing the user...

  Well then, let's just freeze the K3 as it is today, and not make further
  software or hardware changes.

  VE7XF


  Then we could call it a KenYaecom!

  Jeff Cochrane - VK4BOF
  Innisfail, QLD
  Australia.
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Re: [Elecraft] K3 not turning off

2010-04-29 Thread JohnK1JD
Bill
I suspect that Glenn's K3 turns on OK from the front panel switch, like mine.

Glenn
Much of May 2009 was spent troubleshooting this exact issue with S/N 071:  the 
inability to power down the K3 from the front panel. Power on is fine. I 
performed numerous modifications (including the 12v sense, of course), 
diagnostics/measurements, replacement of a surface mount component, and 
replaced the FP board twice, all as directed but without resolution. However, 
the K3 shuts off using the "PS0;" command from the utility program. Given that 
workaround, my decision was to postpone sending it back for repair to see if a 
solution appeared over time - maybe something I could do myself. Our problems 
may not be identical, but if you're interested please contact me off reflector 
for the extensive troubleshooting email thread.

Elecraft support during the troubleshooting phase was excellent, as always, but 
some issues defy remote diagnoses. If I were willing to part with the beloved 
K3 for factory repair, the problem would have been resolved a long time ago!

73,
John K1JD




Date: Wed, 28 Apr 2010 04:55:17 -0700 (PDT)
From: Bill W4ZV 
Subject: Re: [Elecraft] K3 not turning off
To: elecraft@mailman.qth.net
Message-ID: <1272455717487-4974007.p...@n2.nabble.com>
Content-Type: text/plain; charset=us-ascii



Glenn VK4FZ wrote:
> 
> My K3 (S/N 544) is no longer turning off properlythe 12v sense mod is
> done, any ideas for further investigation
> 

I'd next try the remote Power Off command (PS0) via the K3 Utility.  If that
works and the power switch does not, then you might have a defective switch.

73,  Bill
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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Bob McGraw - K4TAX
No problem here with the radios or the logging software or the remote 
control software.  At least there is a choice.

73
Bob, K4TAX


- Original Message - 
From: "Don Wilhelm" 
To: "Bob McGraw - K4TAX" 
Cc: "Rich - K1HTV" ; ; 

Sent: Thursday, April 29, 2010 6:53 PM
Subject: Re: [Elecraft] CW/CW-REV config option


> Bob,
>
> If that "one" radio is something other than an Elecraft brand, change that 
> "one" to "at least 5".  The K2 and the K3 will switch sidebands at the 
> touch of a button too (actually a hold).  My Yaesu 847 has quick CW 
> sideband switching as does the FT-817, and my Yaesu FT-900 also allows the 
> user to select the CW sideband, but it is not as quick and easy as on the 
> K2 or K3 or the other Yaesus.  I have all mine set to LSB CW!
>
> The Yaesu default is to USB CW, while the K2 and K3 default is to LSB CW - 
> it is very easily changed - just hold the REV button.
> Interaction with logging software may be a different consideration, read 
> the documentation for your preferred application for the details.  Some 
> will follow the transceiver settings, while others may try to "do it their 
> way".  If you have problems with that aspect, contact the software author.
>
> 73,
> Don W3FPR
>
> Bob McGraw - K4TAX wrote:
>> There is one radio on the market that I am aware of that uses UCW and LCW 
>> thus with the press of a button you have either of your choices.  Your 
>> preference doesn't seem at all strange to me.  The software that I use to 
>> control the radio offeres UCW and LCW modes.
>>
> 


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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Ralph Parker
>Am I the only one who prefers to tune 'Up the Band' into a CW signal...
>...when rig controlling software programs such as CT, N1MM, RXCLUS, etc...
>...radio switches to the 'CW' mode rather that the prefered 'CW-REV' mode. 
>Would it be possible to have a CONFIG setting which would allow...

My pet peeve too!
I whined about this a number of months ago, and was assured that it was on
the "feature request" list.
Nothing yet - maybe on the next revision (hint, hint).

VE7XF

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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Joe Subich, W4TV

Rather let's not keep adding nit-picking changed to Wayne's list
so he can concentrate on more important items that add functionality
rather than repackage the same old features.

This is, after all, an Elecraft transceiver.  If you want a rig
that operates just like a Kenwood, go buy a Kenwood.  Similarly,
if you want a radio that operates like an Icom, buy an Icom.

It's not a matter of freezing the K3, it's a matter of smart
application of resources and spending time to provide options
to copy the idiosyncrasies of other vendor's user interface is
not a good use of resources.

73,

... Joe, W4TV

On 4/29/2010 7:50 PM, Ralph Parker wrote:
>> There is no need to change the K3...
>> Why add something more to the K3 that will just provide more chance of
> confusing the user...
>
> Well then, let's just freeze the K3 as it is today, and not make further
> software or hardware changes.
>
> VE7XF
>
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Re: [Elecraft] K3 not turning off

2010-04-29 Thread Dick Dievendorff
I saw one case something like this when something was connected to one of
the back panel connections that provided enough voltage to keep the MCU
alive (I think it's a 3.3V device)

If you remove all the connectors from the K3 back panel (except the Anderson
power pole +12V supply, of course), does the radio shut down reliably?

Dick, K6KR



-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of JohnK1JD
Sent: Thursday, April 29, 2010 5:02 PM
To: Elecraft Reflector
Subject: Re: [Elecraft] K3 not turning off

Bill
I suspect that Glenn's K3 turns on OK from the front panel switch, like
mine.

Glenn
Much of May 2009 was spent troubleshooting this exact issue with S/N 071:
the inability to power down the K3 from the front panel. Power on is fine. I
performed numerous modifications (including the 12v sense, of course),
diagnostics/measurements, replacement of a surface mount component, and
replaced the FP board twice, all as directed but without resolution.
However, the K3 shuts off using the "PS0;" command from the utility program.
Given that workaround, my decision was to postpone sending it back for
repair to see if a solution appeared over time - maybe something I could do
myself. Our problems may not be identical, but if you're interested please
contact me off reflector for the extensive troubleshooting email thread.

Elecraft support during the troubleshooting phase was excellent, as always,
but some issues defy remote diagnoses. If I were willing to part with the
beloved K3 for factory repair, the problem would have been resolved a long
time ago!

73,
John K1JD




Date: Wed, 28 Apr 2010 04:55:17 -0700 (PDT)
From: Bill W4ZV 
Subject: Re: [Elecraft] K3 not turning off
To: elecraft@mailman.qth.net
Message-ID: <1272455717487-4974007.p...@n2.nabble.com>
Content-Type: text/plain; charset=us-ascii



Glenn VK4FZ wrote:
> 
> My K3 (S/N 544) is no longer turning off properlythe 12v sense mod is
> done, any ideas for further investigation
> 

I'd next try the remote Power Off command (PS0) via the K3 Utility.  If that
works and the power switch does not, then you might have a defective switch.

73,  Bill
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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-29 Thread Guy Olinger K2AV
Hi Lu.

Schematics for the K3 are downloadable PDF on the Elecraft website.
Many questions can be answered right off just digging into the
drawings.  I find the ability in Adobe Reader to search in the PDF
text very useful for finding stuff.  Device specifics are in the
schematic, so I guess you could go looking for a manufacturers
technical writeup and figure out the granularity from that.

I think that some of what you are calling "punching" really is just
the K3 dealing with sudden power spikes.  Professional microphone
technique would not include very soft followed by very loud.  The K3
is interpreting the loudest audio as being the intentional "top" of
your speaking pattern and is setting power management to NOT punch out
the amp and cause ALC spikes coming back from the amp.  This effect
would be further exacerbated if all of the various TX power
calibrations had not been done correctly, as it will be further
exacerbated if the users manual MIC/CMP/PWR setting procedure is not
used.

The terms you are using to describe the K3's internal functioning will
remain speculative unless Wayne publishes stuff, and our thought
patterns still have have that analog, sequential function sound to
them : >)

 K3 has a digital transmit envelope management function that should be
preceded by proper TX gain calibrations, and the user manual
MIC/CMP/PWR setting.

73, Guy.


On Wed, Apr 28, 2010 at 11:03 PM, Luis V. Romero  wrote:
> Some quick questions (yeah, I know I said I would stop, but I cant help it,
> I want to understand!)
>
>>"...a Pre-DSP two band audio leveler/AGC and handles for Attack, Decay and
> Ratio on the RF Clipper."
>>
>>That is, prior to Digital Signal Processing, or before analog is converted
> to digital.
>
> Where exactly does the input to the TX DSP section (OK, IF section) hit an
> ADC?  Where do we move from the Analog domain to the Digital domain?  Where
> is the "quantizer" for the mic input?  Would make sense if it was before the
> Clipper, right?
>
>>In your headroom explanation, is there a common instance of microphone ADC
> saturation that needs to be reported?  >That's a pretty seventh-grade
> mistake on Wayne's part if it's true.  (Yeah, I know, the first Hubble
> lenses, and >the unit snafu on the Mars landers, also very seventh-grade.)
>
> I don't believe that's it at all.  I can punch holes into the audio if I
> speak softly then speak loudly.  Sounds to me like there is some kind of
> compression happening (that is why I first incorrectly assumed that this
> thing used a compressor not a kind of IF/RF Clipper).  What happens is that
> the radio grabs the loud syllable and holds off from releasing the gain
> reduction for a bit, then recovers.  If you hit it with something loud, then
> something soft, you hear the hole.  The decay of whatever is grabbing the
> peak is slower than the attack.  There is no overshoot that I can discern
> with my ears, as the firmware must be dropping audio into a buffer and
> setting the response in kind.  I once heard people complain about delay in
> the monitor, I do hear a very slight one.  So there must be a look ahead
> buffer that computes the response to the peak.  All I'm saying is that it
> would be nice to have a handle on at least the decay, so it can more match
> the attack.  Probably cant do that as it would create more delay in the
> monitor.  It's a fine line.
>
>>
> "What I was suggesting is an AGC funtion before the RF Clipping section
> touches the audio waveform.  Something to smooth out the dynamic range of
> the audio input so that the DSP processing engine would not have to work so
> hard dealing with peaks and valleys and can be "let loose" some."
>
> Elecraft is already accomplishing envelope leveling and shaping with digital
> functions that don't appear to >resemble the sledge and wedge of RF clipping
> and AF variable band amplifiers. SOME folks get excellent results using the
> K3's leveling and shaping processes for TX audio.  I would hate to bring up
> RTFM on setting up K3 mic gain and compression, but the manual procedure
> does seem to work.
>>
>
> I would like to get a better understanding of the process that is used here.
> I do use the manual settings, It does work well, and does sound good, but I
> would like to understand what is happening under the hood better so I can
> better adapt to what this rig likes to hear, which, to me, is consistent
> levels.  My old admittedly analog rig was less picky and had much more room
> to play with (when I let it).  Hopefully that is not Elecraft Secret Sauce.
>
>>
> AND, since there is NO analog audio band circuitry in there anywhere, BUT
> there ARE banded TX and RX equalizer functions being done in the number
> soup, whose gains are being set by NUMBERS we enter in the menu, what makes
> us think he hasn't already done something proprietary about "banded gain"
> which he is developing further and is not about to reveal so the competition
> can't copy it for free?
>>
>
> This

Re: [Elecraft] Fw: PR6 6 Meter Preamp Installation

2010-04-29 Thread Bill K9YEQ
I just mounted mine and find the connections to be very strong, almost too
much so to get them on.  The issue I have is getting a Y connector for the
PR6 and other needs. I would love for Elecraft to offer one of these, Eric.
I have everything factory installed in my K3 except general coverage.
Working on getting it all hooked up and working.  Have also order the P3.
(Would love to Beta.)

Bill
K9YEQ
K2 and KX1 field tester, K3 and modules
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Eric Swartz - WA6HHQ,
Elecraft
Sent: Thursday, April 29, 2010 2:13 PM
To: Terry Schieler
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Fw: PR6 6 Meter Preamp Installation

We designed thePR6 to mount with the double male BNCs and sell the 
BNC-MM's just for this purpose. Its quite strong and we have never seen 
a problem using it this way.

Of course you can also use short lengths of Male-Male BNC cables to do 
the same thing.

I don't see an easy way to mount it inside the K3.

73, Eric


On 4/29/2010 9:29 AM, Terry Schieler wrote:
> True, Ken.  However, my ultimate request was whether anyone has
investigated
> the possibility of putting the PR6 totally *INSIDE* the K3?
>
> Terry, W0FM
>
> -Original Message-
> From: Ken Kopp [mailto:k...@rfwave.net]
> Sent: Wednesday, April 28, 2010 8:56 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Fw: PR6 6 Meter Preamp Installation
>
>   My PR6 is connected with two 6" BNC<->  BNC cables.
> Connecting it using two "double male" BNC's seems
> like certain damage, sooner or later. (;-)
>
>
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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread lstavenhagen

I would also agree to leave the K3 as-is. I don't see why there needs to be
more ways to set USB and LSB just hold CW-Rev to get to the other
one.

73,
LS
W5QD
-- 
View this message in context: 
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Re: [Elecraft] -- SPAM -- RE: K3 not turning off

2010-04-29 Thread JohnK1JD
Dick
I removed every other option in the radio, including the RS-232 interface 
board, the PA and the sub RX. The radio still did not shut off from the 
front panel switch.

Thanks,
John K1JD

--
From: "Dick Dievendorff" 
Sent: Thursday, April 29, 2010 8:22 PM
To: "'JohnK1JD'" ; "'Elecraft Reflector'" 

Subject: -- SPAM -- RE: [Elecraft] K3 not turning off

> I saw one case something like this when something was connected to one of
> the back panel connections that provided enough voltage to keep the MCU
> alive (I think it's a 3.3V device)
>
> If you remove all the connectors from the K3 back panel (except the 
> Anderson
> power pole +12V supply, of course), does the radio shut down reliably?
>
> Dick, K6KR
>
>
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of JohnK1JD
> Sent: Thursday, April 29, 2010 5:02 PM
> To: Elecraft Reflector
> Subject: Re: [Elecraft] K3 not turning off
>
> Bill
> I suspect that Glenn's K3 turns on OK from the front panel switch, like
> mine.
>
> Glenn
> Much of May 2009 was spent troubleshooting this exact issue with S/N 071:
> the inability to power down the K3 from the front panel. Power on is fine. 
> I
> performed numerous modifications (including the 12v sense, of course),
> diagnostics/measurements, replacement of a surface mount component, and
> replaced the FP board twice, all as directed but without resolution.
> However, the K3 shuts off using the "PS0;" command from the utility 
> program.
> Given that workaround, my decision was to postpone sending it back for
> repair to see if a solution appeared over time - maybe something I could 
> do
> myself. Our problems may not be identical, but if you're interested please
> contact me off reflector for the extensive troubleshooting email thread.
>
> Elecraft support during the troubleshooting phase was excellent, as 
> always,
> but some issues defy remote diagnoses. If I were willing to part with the
> beloved K3 for factory repair, the problem would have been resolved a long
> time ago!
>
> 73,
> John K1JD
>
>
>
>
> Date: Wed, 28 Apr 2010 04:55:17 -0700 (PDT)
> From: Bill W4ZV 
> Subject: Re: [Elecraft] K3 not turning off
> To: elecraft@mailman.qth.net
> Message-ID: <1272455717487-4974007.p...@n2.nabble.com>
> Content-Type: text/plain; charset=us-ascii
>
>
>
> Glenn VK4FZ wrote:
>>
>> My K3 (S/N 544) is no longer turning off properlythe 12v sense mod is
>> done, any ideas for further investigation
>>
>
> I'd next try the remote Power Off command (PS0) via the K3 Utility.  If 
> that
> works and the power switch does not, then you might have a defective 
> switch.
>
> 73,  Bill
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>
> 

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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread Ted Roycraft
I also thought that Wayne put it on the "feature request" list sometime 
last fall.  I hope he did.  CW REV seems natural to me and with some 
effort I got Logic 8 to handle it but it would be so much easier, at the 
risk of confusing some individuals, if there were a configuration entry 
to flip the definitions of CW and CW REV.

I love the people who say "I don't use that - you don't need it - don't 
implement it!".  Please, if you don't want it, just don't use it if it 
gets implemented.

73, Ted, W2ZK

On 4/29/2010 7:43 PM, Ralph Parker wrote:
>> Am I the only one who prefers to tune 'Up the Band' into a CW signal...
>> ...when rig controlling software programs such as CT, N1MM, RXCLUS, etc...
>> ...radio switches to the 'CW' mode rather that the prefered 'CW-REV' mode.
>> Would it be possible to have a CONFIG setting which would allow...
>>  
> My pet peeve too!
> I whined about this a number of months ago, and was assured that it was on
> the "feature request" list.
> Nothing yet - maybe on the next revision (hint, hint).
>
> VE7XF
>
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>
>

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Re: [Elecraft] K1-Something interesting about the inventory

2010-04-29 Thread ki4bbl

No, no, no... I wouldn't worry.  Just make sure you do an inventory of  
the inventory...Honestly, I was so excited, I couldn't wait to start.   
I thought doing a thorough inventory of the part was enough... I just  
didn't lay out all the bags that had to be inventoried... I went  
straight to the bag from the box to inventory... I hope that makes  
sense.  Another thing... Richard in elecraft parts is awesome.  He  
sent everything first class usps and never did it take more than two  
days to vet fro California to Virginia Beach, Virginia...
Bravo Elecraft.

Greg Doughty

On Apr 29, 2010, at 10:33 PM, "Terry-N4RQ [via Elecraft]" 
 wrote:

> Greg,
> You have me worried I just ordered my K1 should be here next week,  
> let me know what to watch out for.
> keep me posted on your progress.
> 73's Terry N4RQ
>
> View message @ 
> http://elecraft.365791.n2.nabble.com/K1-Something-interesting-about-the-inventory-tp4924771p4983614.html
> To unsubscribe from K1-Something interesting about the inventory,  
> click here.
>

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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread lstavenhagen

>I love the people who say "I don't use that - you don't need it - don't
implement it!".<

Mostly they're just saying "the rig already does that - RTFM" hi hi.

73,
LS
W5QD
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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-29 Thread Luis V. Romero
Thanks Guy and Don.  Don, I apologize for my muddled email.  My fault, not
yours.  

I will look closer at the system schematics so as to discover the flow of
the process when I have some time.Thanks for pointing out some of the
nuances from your perspectives.

What I call "punching holes in the audio" is exactly that... If you have a
short loud sound followed by a soft one, part of the soft one goes away due
to the attack/decay ratio of whatever magic waveform modification process is
at work in this rig.  Analog monolithic compressors do this when the attack
is set faster than the decay on short duration spikes.  

I have adapted to the way this process "thinks". I was just curious to the
way it was programmed to "think" and looking for a way, other than hang a
AGC at the mic input, to manage the process better.   

However it works, it works quite well.  But the smoother the waveform going
in, the smoother the waveform is going out.

May we live in interesting digital times indeed!  

-lu-w4lt- 

-Original Message-
From: guyk...@gmail.com [mailto:guyk...@gmail.com] On Behalf Of Guy Olinger
K2AV
Sent: Thursday, April 29, 2010 9:30 PM
To: lrom...@ij.net
Cc: d...@w3fpr.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

Hi Lu.

Schematics for the K3 are downloadable PDF on the Elecraft website.
Many questions can be answered right off just digging into the drawings.  I
find the ability in Adobe Reader to search in the PDF text very useful for
finding stuff.  Device specifics are in the schematic, so I guess you could
go looking for a manufacturers technical writeup and figure out the
granularity from that.

I think that some of what you are calling "punching" really is just the K3
dealing with sudden power spikes.  Professional microphone technique would
not include very soft followed by very loud.  The K3 is interpreting the
loudest audio as being the intentional "top" of your speaking pattern and is
setting power management to NOT punch out the amp and cause ALC spikes
coming back from the amp.  This effect would be further exacerbated if all
of the various TX power calibrations had not been done correctly, as it will
be further exacerbated if the users manual MIC/CMP/PWR setting procedure is
not used.

The terms you are using to describe the K3's internal functioning will
remain speculative unless Wayne publishes stuff, and our thought patterns
still have have that analog, sequential function sound to them : >)

 K3 has a digital transmit envelope management function that should be
preceded by proper TX gain calibrations, and the user manual MIC/CMP/PWR
setting.

73, Guy.


On Wed, Apr 28, 2010 at 11:03 PM, Luis V. Romero  wrote:
> Some quick questions (yeah, I know I said I would stop, but I cant 
> help it, I want to understand!)
>
>>"...a Pre-DSP two band audio leveler/AGC and handles for Attack, Decay 
>>and
> Ratio on the RF Clipper."
>>
>>That is, prior to Digital Signal Processing, or before analog is 
>>converted
> to digital.
>
> Where exactly does the input to the TX DSP section (OK, IF section) 
> hit an ADC?  Where do we move from the Analog domain to the Digital 
> domain?  Where is the "quantizer" for the mic input?  Would make sense 
> if it was before the Clipper, right?
>
>>In your headroom explanation, is there a common instance of microphone 
>>ADC
> saturation that needs to be reported?  >That's a pretty seventh-grade 
> mistake on Wayne's part if it's true.  (Yeah, I know, the first Hubble 
> lenses, and >the unit snafu on the Mars landers, also very 
> seventh-grade.)
>
> I don't believe that's it at all.  I can punch holes into the audio if 
> I speak softly then speak loudly.  Sounds to me like there is some 
> kind of compression happening (that is why I first incorrectly assumed 
> that this thing used a compressor not a kind of IF/RF Clipper).  What 
> happens is that the radio grabs the loud syllable and holds off from 
> releasing the gain reduction for a bit, then recovers.  If you hit it 
> with something loud, then something soft, you hear the hole.  The 
> decay of whatever is grabbing the peak is slower than the attack.  
> There is no overshoot that I can discern with my ears, as the firmware 
> must be dropping audio into a buffer and setting the response in kind.  
> I once heard people complain about delay in the monitor, I do hear a 
> very slight one.  So there must be a look ahead buffer that computes 
> the response to the peak.  All I'm saying is that it would be nice to 
> have a handle on at least the decay, so it can more match the attack.  
> Probably cant do that as it would create more delay in the monitor.  It's
a fine line.
>
>>
> "What I was suggesting is an AGC funtion before the RF Clipping 
> section touches the audio waveform.  Something to smooth out the 
> dynamic range of the audio input so that the DSP processing engine 
> would not have to work so hard dealing with peaks and valleys and can be
"

Re: [Elecraft] Electret microphone wiring

2010-04-29 Thread Ramiro Aceves
Thanks you very much Tom and Jim for the detailed responses. I have to 
test my microphone for RFI. Jim, very interesting technical web page.

I have explained my easy to make microphone in my web page. Sorry, it is 
only in spanish but the pictures speak for themselves.

http://ea1abz.ure.es/microk3/microk3.html

See you on the air (mainly in CW, my favorite mode,  hi)

Ramiro.
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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-29 Thread Jim Brown
On Fri, 30 Apr 2010 02:22:40 -0400, Luis V. Romero wrote:

>What I call "punching holes in the audio" is exactly that... If you have a
>short loud sound followed by a soft one, part of the soft one goes away due
>to the attack/decay ratio

YES!  This is a very common problem generated by low frequency sounds like 
P-popping (which is really a blast of air from your mouth hitting mic 
diaphram when you pronounce a P-sound), and is a major reason why it's 
important to roll off the low end before it hits the compressor. It's also a 
big reason why multi-band compression is such a good idea, as Tom was 
talking about. 

73,

Jim K9YC


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[Elecraft] Strange problem last night in my K3

2010-04-29 Thread Ramiro Aceves
Hi all,

I do not know if this is a problem in my K3 or I made some mistake with 
K3 buttons because of I was falling asleep.
Last night I was ready to do some broadcast AM listening and entered 
5040 kHz on the keyboard. Frequency did not change. Tried three times 
and it did not work. I moved VFO A and VFO B and frequency did no 
change. I pressed up and down buttons in the microphone and frecuency 
changed. After that, VFO A and B worked again. Was this a K3 failure or 
it was my mistake? What dou you think?

Thanks in advance

Ramiro

EA4NZ, ex EA1ABX
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Re: [Elecraft] Electret microphone wiring

2010-04-29 Thread David Pratt
Very interesting, Ramiro, I might give that a go.
Good to see that the ABS plastic box is clearly marked "MADE IN 
ENGLAND". Unfortunately we don't see that as much as we used to ;-(

73 de David G4DMP

In a recent message, Ramiro Aceves  wrote ...
>
>Thanks you very much Tom and Jim for the detailed responses. I have to
>test my microphone for RFI. Jim, very interesting technical web page.
>
>I have explained my easy to make microphone in my web page. Sorry, it is
>only in spanish but the pictures speak for themselves.
>
>http://ea1abz.ure.es/microk3/microk3.html
>
>See you on the air (mainly in CW, my favorite mode,  hi)
>
>Ramiro.
-- 
David G4DMP
Leeds, England, UK
--



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Re: [Elecraft] CW/CW-REV config option

2010-04-29 Thread David Gilbert

I hardly see the value of extrapolating to the absurd to try to defend 
your position.

Dave   AB7E



On 4/29/2010 4:50 PM, Ralph Parker wrote:
> Well then, let's just freeze the K3 as it is today, and not make further
> software or hardware changes.
>
> VE7XF
>
>
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