Re: [Elecraft] CW skimmer

[Barry]

If the data is MME format, it should be already compatible as that is 
what CW Skimmer uses from a sound card. I see no point in using the 
compute power of the K4 for anything other than basic processing. It 
should be more efficient and flexible using your computer. For instance 
one of the things I do is use Skimmer to spot what it decodes to the 
Clublog spotting window on Win4K3. This tells me what my antenna is 
picking up. Uing general spotting just tells me what others are hearing 
which I may not hear.


73,
Barry
K3NDM

-- Original Message --
From: "Ted Roycraft" 
To: elecraft@mailman.qth.net
Sent: 12/31/2019 2:58:52 PM
Subject: Re: [Elecraft] CW skimmer


Why not ask the author of CWSkimmer, Alex Shovkoplyas, VE3NEA what his plans 
are?  I would think he would be a central character in making CWSkimmer 
compatible with the K4.  Wayne, N6KR, has already said that K4 baseband I/Q 
signals would be provided over the ethernet which is all, I believe, that 
VE3NEA needs if he can pick them off the ethernet or if someone else can  write 
software that makes it look like the I/Q ethernet signals came from an audio 
card which is where CWSkimmer normally picks them up.  I would hazard a guess 
that someone from Elecraft has already contacted Alex.  As long as he has not 
signed an NDA with Elecraft, I bet Alex could tell us something concrete and 
maybe end the uninformative speculation that's been circulating.

I go along with K4TAX who says keep CWSkimmer on the shack computer.  Putting 
it on this and that radio is a support nightmare.

73, Ted, W2ZK

On 12/31/2019 2:22 PM, Bob McGraw K4TAX wrote:

Thoughts on this.I would expect the K4 to be a high performance product in 
both the on air performance and the communications interface performance.   I 
would not expect it to have any embedded applications as there are just to dang 
many;  CW ones, Digital, ones, Logging ones, and etc.   Everybody has there 
favorites of each of these.

Trying to embed just a few applications raises the question of "what few?".   We all use an 
outboard computer to do station house keeping.  I say keep it that way and every one can then use their 
favorite application.   I'd speculate if there were a number of applications embedded, then Elecraft would 
have to ship a "crying towel" with every  radio.  There are just those folks that seemed not to be 
pleased, regardless of what ever it is in front of them.   As 'tis said; "one can please part of the 
people part of the time and all of the people none of the time".Lets just keep the radio doing what 
a radio should do and the computer keeping the operator happy with what ever application they so choose.

Happy New Year to all

73

Bob, K4TAX


On 12/31/2019 10:24 AM, Barry wrote:

If Elecraft makes the K4 I data avail in MME format, there will be no need to 
implement these on the radio itself. They can all reside on the computer that is 
used for control and whatever else. It will be basically like running with a KX3.

73,
Barry
K3NDM



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Re: [Elecraft] CW skimmer vs. i/q

[Mike Markowski]

A great analogy is from Keysight.  In the lab I work in, scopes and 
RTSAs stream i/q.  Keysight software named Vector Signal Analysis takes 
the i/q and can sometimes provide more capability in signal analysis 
than the stand alone gear itself.  Tektronix does similar.  Raw, binary 
i/q is all you need, and I think the Beatles said more or less the same 
thing didn't they??  :-)  (Assuming love == i/q.)


Happy 2020,
Mike ab3ap

On 12/31/19 2:47 PM, M. George wrote:

...With an API to the K4 and the I/Q output over
the LAN, applications that are much better at what they do...

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Re: [Elecraft] CW skimmer

[Ted Roycraft]

Why not ask the author of CWSkimmer, Alex Shovkoplyas, VE3NEA what his 
plans are?  I would think he would be a central character in making 
CWSkimmer compatible with the K4.  Wayne, N6KR, has already said that K4 
baseband I/Q signals would be provided over the ethernet which is all, I 
believe, that VE3NEA needs if he can pick them off the ethernet or if 
someone else can  write software that makes it look like the I/Q 
ethernet signals came from an audio card which is where CWSkimmer 
normally picks them up.  I would hazard a guess that someone from 
Elecraft has already contacted Alex.  As long as he has not signed an 
NDA with Elecraft, I bet Alex could tell us something concrete and maybe 
end the uninformative speculation that's been circulating.


I go along with K4TAX who says keep CWSkimmer on the shack computer.  
Putting it on this and that radio is a support nightmare.


73, Ted, W2ZK

On 12/31/2019 2:22 PM, Bob McGraw K4TAX wrote:
Thoughts on this.    I would expect the K4 to be a high performance 
product in both the on air performance and the communications 
interface performance.   I would not expect it to have any embedded 
applications as there are just to dang many;  CW ones, Digital, ones, 
Logging ones, and etc.   Everybody has there favorites of each of these.


Trying to embed just a few applications raises the question of "what 
few?".   We all use an outboard computer to do station house keeping.  
I say keep it that way and every one can then use their favorite 
application.   I'd speculate if there were a number of applications 
embedded, then Elecraft would have to ship a "crying towel" with 
every  radio.  There are just those folks that seemed not to be 
pleased, regardless of what ever it is in front of them.   As 'tis 
said; "one can please part of the people part of the time and all of 
the people none of the time".    Lets just keep the radio doing what a 
radio should do and the computer keeping the operator happy with what 
ever application they so choose.


Happy New Year to all

73

Bob, K4TAX


On 12/31/2019 10:24 AM, Barry wrote:
If Elecraft makes the K4 I data avail in MME format, there will be 
no need to implement these on the radio itself. They can all reside 
on the computer that is used for control and whatever else. It will 
be basically like running with a KX3.


73,
Barry
K3NDM



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Re: [Elecraft] CW skimmer

[M. George]

Amen Bob, I totally agree.  With an API to the K4 and the I/Q output over
the LAN, applications that are much better at what they do, can interface
and get access to everything they need in the K4.  I can't imagine
community support or Elecraft support starting with the question: What
hodgepodge of apps are you running on the embedded linux OS of your K4?
"Well, I'm running a Chromium Browser, a Chess Game, Tetris, a graphical
Rubik's Cube and Spotify for Linux so I can listen to Taylor Swift while
working DX and running stations in a contest."  Why do you ask? ;)

To quote a famous software/hardware engineering quote we all love and know:
"Eventually Elecraft will shoot the software engineers and ship the
product".  It sounds like it's getting close but I'm happy to wait for the
finishing touches for the first release.  Let's worry about running Spotify
on our K4 and listening to Johnny Cash, Megadeath or Metallica while
operating the radio until release #2 of a K4 Linux OS image.  However,
maybe Elecraft should support my favorite Financial Market active trader
program so I can get streaming real-time market data quotes on my K4
display and also NASDAQ Level 2 quotes and time and sales data as I try to
play market maker while operating a contest day trading.  I think we really
need that as an embedded app running on the K4, don't you?  Makes perfect
sense.

Max NG7M

On Tue, Dec 31, 2019 at 12:22 PM Bob McGraw K4TAX 
wrote:

> Thoughts on this.I would expect the K4 to be a high performance
> product in both the on air performance and the communications interface
> performance.   I would not expect it to have any embedded applications
> as there are just to dang many;  CW ones, Digital, ones, Logging ones,
> and etc.   Everybody has there favorites of each of these.
>
> Trying to embed just a few applications raises the question of "what
> few?".   We all use an outboard computer to do station house keeping.  I
> say keep it that way and every one can then use their favorite
> application.   I'd speculate if there were a number of applications
> embedded, then Elecraft would have to ship a "crying towel" with every
> radio.  There are just those folks that seemed not to be pleased,
> regardless of what ever it is in front of them.   As 'tis said; "one can
> please part of the people part of the time and all of the people none of
> the time".Lets just keep the radio doing what a radio should do and
> the computer keeping the operator happy with what ever application they
> so choose.
>
> Happy New Year to all
>
> 73
>
> Bob, K4TAX
>
>
> On 12/31/2019 10:24 AM, Barry wrote:
> > If Elecraft makes the K4 I data avail in MME format, there will be
> > no need to implement these on the radio itself. They can all reside on
> > the computer that is used for control and whatever else. It will be
> > basically like running with a KX3.
> >
> > 73,
> > Barry
> > K3NDM
> >
>
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-- 
M. George
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Re: [Elecraft] CW skimmer

[Bob McGraw K4TAX]

Thoughts on this.    I would expect the K4 to be a high performance 
product in both the on air performance and the communications interface 
performance.   I would not expect it to have any embedded applications 
as there are just to dang many;  CW ones, Digital, ones, Logging ones, 
and etc.   Everybody has there favorites of each of these.


Trying to embed just a few applications raises the question of "what 
few?".   We all use an outboard computer to do station house keeping.  I 
say keep it that way and every one can then use their favorite 
application.   I'd speculate if there were a number of applications 
embedded, then Elecraft would have to ship a "crying towel" with every  
radio.  There are just those folks that seemed not to be pleased, 
regardless of what ever it is in front of them.   As 'tis said; "one can 
please part of the people part of the time and all of the people none of 
the time".    Lets just keep the radio doing what a radio should do and 
the computer keeping the operator happy with what ever application they 
so choose.


Happy New Year to all

73

Bob, K4TAX


On 12/31/2019 10:24 AM, Barry wrote:
If Elecraft makes the K4 I data avail in MME format, there will be 
no need to implement these on the radio itself. They can all reside on 
the computer that is used for control and whatever else. It will be 
basically like running with a KX3.


73,
Barry
K3NDM



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Re: [Elecraft] CW skimmer

[Barry]

If Elecraft makes the K4 I data avail in MME format, there will be no 
need to implement these on the radio itself. They can all reside on the 
computer that is used for control and whatever else. It will be 
basically like running with a KX3.


73,
Barry
K3NDM

-- Original Message --
From: "Rich" 
To: elecraft@mailman.qth.net
Sent: 12/31/2019 9:28:20 AM
Subject: Re: [Elecraft] CW skimmer


The RTTY skimmer would be nice, also!

HNY

Rich

K3RWN

On 12/30/2019 23:50 PM, Wayne Burdick wrote:

This is very much in the plan.

Wayne



On Dec 30, 2019, at 4:07 PM, E.H. Russell  wrote:

As a developer very familiar with connecting SDR radios with CW Skimmer, the 
best hope for a connection with the K4 is to stream the K4 IQ data to a PC 
running Windows, and have a 3rd party app negotiate that data along with other 
information such as frequency to CW Skimmer. This depends on access to the K4 
API. I’m hoping to be able to develop such an app.
  Thanks,
73 Ed w2rf




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Re: [Elecraft] CW skimmer

[stephen shearer]

OK, I am most likely late to the discussion...

Yes, it would be nice to have all the software under the hood. But, I 
know I am going to need a computer for Fldigi, wsjt-x, and js8call. So I 
might as well add skimmer there (if I want it) too. I don't use skimmer 
now.  I like contests but I want a slower pace.  Beside at my QTH, just 
entering a contest almost guarantees first place (not quite, but 
almost).  I also like keeping my software up to date and by putting it 
"in the box" I will loose that control.  I "see" a USB connection to the 
computer a simple interface.  The LAN connection should provide even 
more capability (1G ??).


Since my shack computer will not be W10, I hope function software for 
the K4 will be Linux compatible (as it has been for K3's).  I moved from 
W10 to "windows" Mint in 2019 and haven't looked back. I have also been 
using a Raspberry Pi with my KX3 for wsjt-x as a remote station (remote 
to living room) and it works very well...


I wish all a Happy New Year (as tomorrow is "January"...)

73, steve WB3LGC


back to my research on a computer for the shack as my KX3 portable ops 
have been using a laptop and I want the K4 to be a fixed station.

I may continue with the Raspberry Pi, to begin, as it works...

On 12/31/19 9:28 AM, Rich wrote:

The RTTY skimmer would be nice, also!

HNY

Rich

K3RWN

On 12/30/2019 23:50 PM, Wayne Burdick wrote:

This is very much in the plan.

Wayne



On Dec 30, 2019, at 4:07 PM, E.H. Russell  wrote:

As a developer very familiar with connecting SDR radios with CW 
Skimmer, the best hope for a connection with the K4 is to stream the 
K4 IQ data to a PC running Windows, and have a 3rd party app 
negotiate that data along with other information such as frequency 
to CW Skimmer. This depends on access to the K4 API. I’m hoping to 
be able to develop such an app.

  Thanks,
73 Ed w2rf



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Re: [Elecraft] CW skimmer

[Rich]

The RTTY skimmer would be nice, also!

HNY

Rich

K3RWN

On 12/30/2019 23:50 PM, Wayne Burdick wrote:

This is very much in the plan.

Wayne



On Dec 30, 2019, at 4:07 PM, E.H. Russell  wrote:

As a developer very familiar with connecting SDR radios with CW Skimmer, the 
best hope for a connection with the K4 is to stream the K4 IQ data to a PC 
running Windows, and have a 3rd party app negotiate that data along with other 
information such as frequency to CW Skimmer. This depends on access to the K4 
API. I’m hoping to be able to develop such an app.
  
Thanks,

73 Ed w2rf
  
  
  



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Re: [Elecraft] CW skimmer

[N4ZR]

Hey, first things first.  Windows 10's market share among 
non-computer-scientists answers this question for me.


73, Pete N4ZR
Check out the Reverse Beacon Network
at , now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

On 12/31/2019 8:02 AM, Bayard Coolidge, N1HO via Elecraft wrote:

  I would hope that any such app would be ported to Linux and macOS as well, 
and notnecessarily require Windows 10.
73,
Brandy, N1HO


 On Monday, December 30, 2019, 11:52:01 PM EST, Wayne Burdick 
 wrote:
  
  This is very much in the plan.


Wayne



On Dec 30, 2019, at 4:07 PM, E.H. Russell  wrote:

As a developer very familiar with connecting SDR radios with CW Skimmer, the 
best hope for a connection with the K4 is to stream the K4 IQ data to a PC 
running Windows, and have a 3rd party app negotiate that data along with other 
information such as frequency to CW Skimmer. This depends on access to the K4 
API. I’m hoping to be able to develop such an app.
   
Thanks,

73 Ed w2rf
   
   
   



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Re: [Elecraft] CW skimmer

[Bayard Coolidge, N1HO via Elecraft]

 I would hope that any such app would be ported to Linux and macOS as well, and 
notnecessarily require Windows 10.
73,
Brandy, N1HO


On Monday, December 30, 2019, 11:52:01 PM EST, Wayne Burdick 
 wrote:  
 
 This is very much in the plan.

Wayne


> On Dec 30, 2019, at 4:07 PM, E.H. Russell  wrote:
> 
> As a developer very familiar with connecting SDR radios with CW Skimmer, the 
> best hope for a connection with the K4 is to stream the K4 IQ data to a PC 
> running Windows, and have a 3rd party app negotiate that data along with 
> other information such as frequency to CW Skimmer. This depends on access to 
> the K4 API. I’m hoping to be able to develop such an app.
>  
> Thanks,
> 73 Ed w2rf
>  
>  
>  



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Re: [Elecraft] CW skimmer

[Wayne Burdick]

This is very much in the plan.

Wayne


> On Dec 30, 2019, at 4:07 PM, E.H. Russell  wrote:
> 
> As a developer very familiar with connecting SDR radios with CW Skimmer, the 
> best hope for a connection with the K4 is to stream the K4 IQ data to a PC 
> running Windows, and have a 3rd party app negotiate that data along with 
> other information such as frequency to CW Skimmer. This depends on access to 
> the K4 API. I’m hoping to be able to develop such an app.
>  
> Thanks,
> 73 Ed w2rf
>  
>  
>  



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Re: [Elecraft] CW skimmer

[E.H. Russell]

As a developer very familiar with connecting SDR radios with CW Skimmer, the
best hope for a connection with the K4 is to stream the K4 IQ data to a PC
running Windows, and have a 3rd party app negotiate that data along with
other information such as frequency to CW Skimmer. This depends on access to
the K4 API. I'm hoping to be able to develop such an app.

 

Thanks,

73 Ed w2rf

 

 

 

 

-Original Message-
From: elecraft-boun...@mailman.qth.net  On
Behalf Of Wayne Burdick
Sent: Monday, December 30, 2019 11:39 AM
To: Elecraft Reflector 
Subject: Re: [Elecraft] CW skimmer

 

The K4 has sufficient internal horsepower to run advanced software
applications; that's one major reason we included a general-purpose
processor. However, all third party applications will require modification
to run in the K4 environment, and they'll be vetting by our staff before
being made available as an in-box app. 

 

While there's no reason we couldn't run Skimmer, I can't say at this time
whether we'd choose to port this application to the K4. But I can say the K4
will be continuously updated to meet user needs.

 

73,

Wayne

N6KR

 

 

 

> On Dec 29, 2019, at 8:18 AM, Don Wilhelm < <mailto:donw...@embarqmail.com>
donw...@embarqmail.com> wrote:

> 

> Morgan,

> 

> The K4 (any version) will not run software apps like Skimmer, you will
need to run that on your shack computer.

> 

> While the K4 does contain a processor and a version of an operating
system, it is used for dedicated K4 functions.

> I would compare it to my fileserver box which runs on a Linux version. I
can access it via a browser for setup operations, but I cannot load and run
any other applications on it, it is dedicated to performing its fileserver
tasks.

> 

> 73,

> Don W3FPR

 

 

 

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Re: [Elecraft] CW skimmer

[Doug Turnbull]

Wayne, this would be a nice option and one which I would willingly pay a
reasonable price.I hope Elecraft give it serious consideration.
Thanks, Elecraft delivered in time the KPod for which I am grateful and
would not wish to be without.

   73 Doug EI2CN

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick
Sent: 30 December 2019 16:39
To: Elecraft Reflector
Subject: Re: [Elecraft] CW skimmer

The K4 has sufficient internal horsepower to run advanced software
applications; that's one major reason we included a general-purpose
processor. However, all third party applications will require modification
to run in the K4 environment, and they'll be vetting by our staff before
being made available as an in-box app. 

While there's no reason we couldn't run Skimmer, I can't say at this time
whether we'd choose to port this application to the K4. But I can say the K4
will be continuously updated to meet user needs.

73,
Wayne
N6KR



> On Dec 29, 2019, at 8:18 AM, Don Wilhelm  wrote:
> 
> Morgan,
> 
> The K4 (any version) will not run software apps like Skimmer, you will
need to run that on your shack computer.
> 
> While the K4 does contain a processor and a version of an operating
system, it is used for dedicated K4 functions.
> I would compare it to my fileserver box which runs on a Linux version. I
can access it via a browser for setup operations, but I cannot load and run
any other applications on it, it is dedicated to performing its fileserver
tasks.
> 
> 73,
> Don W3FPR



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Re: [Elecraft] CW skimmer

[Wayne Burdick]

The K4 has sufficient internal horsepower to run advanced software 
applications; that's one major reason we included a general-purpose processor. 
However, all third party applications will require modification to run in the 
K4 environment, and they'll be vetting by our staff before being made available 
as an in-box app. 

While there's no reason we couldn't run Skimmer, I can't say at this time 
whether we'd choose to port this application to the K4. But I can say the K4 
will be continuously updated to meet user needs.

73,
Wayne
N6KR



> On Dec 29, 2019, at 8:18 AM, Don Wilhelm  wrote:
> 
> Morgan,
> 
> The K4 (any version) will not run software apps like Skimmer, you will need 
> to run that on your shack computer.
> 
> While the K4 does contain a processor and a version of an operating system, 
> it is used for dedicated K4 functions.
> I would compare it to my fileserver box which runs on a Linux version. I can 
> access it via a browser for setup operations, but I cannot load and run any 
> other applications on it, it is dedicated to performing its fileserver tasks.
> 
> 73,
> Don W3FPR



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Re: [Elecraft] CW skimmer

[Don Wilhelm]

Morgan,

The K4 (any version) will not run software apps like Skimmer, you will 
need to run that on your shack computer.


While the K4 does contain a processor and a version of an operating 
system, it is used for dedicated K4 functions.
I would compare it to my fileserver box which runs on a Linux version. 
I can access it via a browser for setup operations, but I cannot load 
and run any other applications on it, it is dedicated to performing its 
fileserver tasks.


73,
Don W3FPR

On 12/29/2019 10:33 AM, Morgan Bailey wrote:

Is one able to run CW skimmer on a K4. If so what model is best suited for
this the K4 or K4d? Or should i use an RSP2 with out board computer
dedicated to doing skimmer with the skimmer software?

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Re: [Elecraft] CW-Skimmer Frequency Offset

[Hajo Dezelski]

Hi,
this is really some kind of strange:
On the Kx3 I have Mode CW. The frequency on the waterfall of the Px3 and
the skimmer are correct. Within skimmer  I have narrowed it down to 30 Hz
difference between the CW Pitch and Audio IF And this is the known
differece between Kx3 and official frequency. I need a better source for
calibrating.

But later I switched from 20m to 40m and still no offset between Kx3, Px3
and Skimmer. But after 30 minutes I got from RBN the warning, that I am
-1.8 kHz off. Kind of strange.

​73 de​

Hajo
​ DL1SDZ​


---
Cela est bien dit, mais il faut cultiver notre jardin.
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Re: [Elecraft] CW-Skimmer Frequency Offset

[Arie Kleingeld PA3A]

Hajo,

Whatever you do, the skimmer screen shows on the screen what it is 
'listening to'. So set the offset in the settings of skimmer so that 
skimmer shows you what you hear in the KX3.
(I use the K3 with a real softrock and I can adjust the offset right on 
the spot.)


Arie PA3A

Op 16-2-2016 om 14:33 schreef Hajo Dezelski:

Oh I forgot:

I use the Softrock-IF as Radio (model).

​73 de

Hajo
​ DL1SDZ​


---
Cela est bien dit, mais il faut cultiver notre jardin.

On Tue, Feb 16, 2016 at 1:08 PM, Hajo Dezelski  wrote:


Hello,

using the Kx3 with CW skimmer and Aggregator 4.1 I got a message from RBN
" RBN calculated frequency offset has a maximum value of 1.6 kHz on 20
meters. Please calibrate your skimmer to reduce this offset to a value
between -0.1 and -0.1 KHz."
When I change the mode on the Kx3 from cw to usb the difference is reduced
to 1,0 khz.

Which mode should I use to be right on the frequency?

Or should I change within skimmer the Audio IF to -1600 Hz. and use CW. My
frequency offset in cw is 600 Hz.

​Thanks for your advice​

​73 de​

Hajo
​ DL1SDZ​


---
Cela est bien dit, mais il faut cultiver notre jardin.


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Re: [Elecraft] CW-Skimmer Frequency Offset

[Hajo Dezelski]

Oh I forgot:

I use the Softrock-IF as Radio (model).

​73 de

Hajo
​ DL1SDZ​


---
Cela est bien dit, mais il faut cultiver notre jardin.

On Tue, Feb 16, 2016 at 1:08 PM, Hajo Dezelski  wrote:

> Hello,
>
> using the Kx3 with CW skimmer and Aggregator 4.1 I got a message from RBN
> " RBN calculated frequency offset has a maximum value of 1.6 kHz on 20
> meters. Please calibrate your skimmer to reduce this offset to a value
> between -0.1 and -0.1 KHz."
> When I change the mode on the Kx3 from cw to usb the difference is reduced
> to 1,0 khz.
>
> Which mode should I use to be right on the frequency?
>
> Or should I change within skimmer the Audio IF to -1600 Hz. and use CW. My
> frequency offset in cw is 600 Hz.
>
> ​Thanks for your advice​
>
> ​73 de​
>
> Hajo
> ​ DL1SDZ​
>
>
> ---
> Cela est bien dit, mais il faut cultiver notre jardin.
>
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Re: [Elecraft] Cw Skimmer

[Bob N3MNT]

Search for NA1DX .  Doug has written up a detailed explanation regarding the
use and configuration of K3/KX3 with CW Skimmer.



--
View this message in context: 
http://elecraft.365791.n2.nabble.com/Cw-Skimmer-tp7608877p7608883.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Cw Skimmer

[Olli Tuppurainen]

I have FiFi SDR RX (  http://www.box73.com/product/3  ) connected to K3 IF
output with CW skimmer.
Very nice especially in pileups when trying to find where DX is listening.

Olli
OH6CT


> -Alkuperäinen viesti-
> Lähettäjä: Elecraft [mailto:elecraft-boun...@mailman.qth.net] Puolesta dw
> Lähetetty: 10. lokakuuta 2015 5:04
> Vastaanottaja: elecraft@mailman.qth.net
> Aihe: [Elecraft] Cw Skimmer
> 
> Is anyone using CW Skimmer with the K3?
> I'd like to get your thoughts.
> Tnx
> N1BBR
> --
>  bw...@fastmail.net
> 
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Re: [Elecraft] Cw Skimmer

[David Gilbert]

The only way you can use CW Skimmer directly with the K3 is in "Audio 
Mode", where the passband supplied to CW Skimmer is limited by whatever 
filter you have engaged (i.e., 2.7 KHz, etc).  If you want to see a 
reasonable portion of spectrum you need a separate hardware interface 
that generates I/Q signals.


Dave   AB7E


On 10/9/2015 7:03 PM, dw wrote:

Is anyone using CW Skimmer with the K3?
I'd like to get your thoughts.
Tnx
N1BBR


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Re: [Elecraft] CW Skimmer Setup with K3 and KX3

[Don Wilhelm]

I believe the CW skimmer is limited to 48k bandwidth, so a 196kHz 
soundcard is not necessary for CW skimmer.
OTOH, if you are also using a Panadpater application like NaP3 or 
Win4K3, that extra bandwidth will be desirable.


73,
Don W3FPR

On 7/23/2015 7:12 PM, Doug Ellmore wrote:

I suggested 196khz sound card to maximize data collection for cw
skimming...Ever see 10m open during a CW contest?  Even 196k can't handle
it all.

But yes, you can get back with less.  On the road I often just use the
internal sound card 48k from my Dell XPS12 and then throw up a 17' wire in
the tree with 2 radials.



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Re: [Elecraft] CW Skimmer Setup with K3 and KX3

[Jim Brown]

On Wed,7/22/2015 10:36 AM, Doug Ellmore wrote:

Asus Xonar U7 USB, simple stereo interface into the sound card from the
KX3


The ASUS Xonar U5 is even less expensive, and works VERY well. I buy 
from BH in NYC.


73, Jim K9YC
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Re: [Elecraft] CW Skimmer Setup with K3 and KX3

[Doug Ellmore]

Gerard,

CW skimmer works great with the KX3 and K3.  If you look on my QRZ page
(call sign NA1DX), there is a picture from my RV in Delaware this past
weekend.  I was QRV with my KX3 feeding a R5 off the side of our RV.  I
made a number of QSOs SSB, CW, including a bunch during the NAQP RTTY
contest.

I used CW Skimmer with the KX3 using the internal DELL XPS12 laptop sound
card.  I pointed CWSkimmer to the soundcard. (I/Q out to Mic in of the
sound card). Using CWSkimmer, I have Win4K3 suite and N1MM+ connected to
the CWSkimmer Telnet port and grabbing spots.

To get to the next tier of high quality decoding, use an external 196k sub
sound card.  There are a couple good ones:

- Asus Xonar U7 USB, simple stereo interface into the sound card from the
KX3
- Steinberg UR22, requires stereo to two mono cable splitter
- CreateLab E-MU, either direct stereo or two mono channels

We had great success with the Asus Xonar U7 during field day.

BTW, be prepared to decode cw signals you don't hear over the air or see on
spectrum.  During contests when I CQ, I have had a stations reply and I
never heard them, but I worked them from the decode of cwskimmer.

Attached is quick overview of the configuration which includes Win4K3
suite.  I plan to update it sometime soon.

I also have more info off my web site at http://www.ellmore.net/na1dx

-- 
Doug Ellmore - NA1DX
d...@ellmore.net
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Re: [Elecraft] CW Skimmer/Soundcard Connection

[Arie Kleingeld PA3A]

Hi Mark,

Yes, if the skimmer is hooked up via audio, that's what will be decoded.
Line-out here is set to 10. Ok  in my case.

Experiment a bit withe the soundcard volume/level settings and it will 
work for you.


73
Arie PA3A

pastor...@verizon.net schreef op 10-4-2014 1:15:

Good Evening, I have just hooked up the Line Out on the back of the K3 to the 
Input of my Soundblaster USB Card. In the K3 Manual it talks about the Config. 
Line Out to set the level. What number should I be setting mine at? Also, I 
assume that if I use my filters that it will limit the number of signals that 
CW Skimmer will hear. Any help would be greatly apprreciated. Mark Griffin, KB3Z



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Re: [Elecraft] CW skimmer setup question

[Larry Phipps]

Two observations...

Poling rate of 100 is fine for LP-Bridge, since the traffic is 
intercepted and responded to from memory. With a standard bridging 
program, all those requests are passed on to the rig. In the case of the 
K3, eventually the data rate will exceed the allowable amount and cause 
issues.


Timeout of 100 seems way too low. The program has to be able to try at 
least several times to respond to a request, especially since a standard 
bridging program allows packet collisions, and if there is just one 
compromised packet sent that the rig doesn't understand, there is not 
enough time for the next good one to get to the rig.


73,
Larry N8LP




On 9/2/2013 10:03 PM, elecraft-requ...@mailman.qth.net wrote:

Date: Mon, 2 Sep 2013 18:11:20 -0700 (PDT)
From: Chuck - AE4CWae...@att.net
To:elecraft@mailman.qth.net
Subject: Re: [Elecraft] CW skimmer setup question
Message-ID:1378170680681-7578523.p...@n2.nabble.com
Content-Type: text/plain; charset=us-ascii

Mike,

Please see my embedded responses below:

Just downloaded CW skimmer and am using it with the LP Pan, E MU 0202 and of
coarse the K3. I am in the process of setting things up and has some
questions. As well just wanted to share the setup options I chose just to
make sure they are ok.
Under the settings taband then to the radio tab
1. I have set hardware to softRock-IF (as per LP Pan site) is this correct?
YES
2. Sampling rate I am going to use is 96 and I did set the same on the E MU
0202
OK
3. Pitch is set to 600 as is the K3
OK
4. The Audio IF I am not sure what to set that too as I am not running any
SDR software. The only answer I could find for the setting of the was to set
the Audio IF at -6000 and take away the global offset from your SDR
software. I am not using SDR software so is it left at -6000?
YOU WILL NEED TO ADJUST THE AUDIO IF SO THAT THE CW SIGNAL LINES UP WITH
THE SKIMMER FREQUENCY INDICATOR, I.E. THE GREEN POINTER.  MINE IS -5140.
The Audio tab is set as follows.
1. Sound-card driver is set to MME
OK
2. Signal and Audio devices are set to my E MU 0202 cards
OK
3. Channels was left at Left/Right= I/Q
I HAD TO CHANGE TO Q/I.
4. Shift Right channel data was left at 0 samples
OK
The Rig tab is set as follows..
I HAVE NOT USED VSP MANAGER...RATHER LP-BRIDGE, BUT SEE BELOW FOR MY
SETTINGS IN THE SKIMMER CAT OMNI-RIG PANEL
1. Rig K3
2. Com port to be set when I use VSP manager to set up a virtual port pair.
3. Baud 38400
OK
4. Data 8 bits
OK
5. Parity none
OK
6. Stop 2
THE K3 USES 1 STOP BIT
7. RTS set to Highnot sure about this?
LOW
8. DTR set to high as well and not sure about this?
LOW
9. Poll set to default 500
100
10. Time out set to default 4000.
100
Not to concerned about other tabs at this moment in time. Just wanted to see
if I am on the right track with those who have this program up and running
with their K3
Thanks for your time
Mike
VE3WDM


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Re: [Elecraft] CW skimmer setup question

[Martin]

Mike,


 1. I have set hardware to softRock-IF (as per LP Pan site) is this
 correct?

OK

 2. Sampling rate I am going to use is 96 and I did set the same on
 the E MU 0202

OK, but 192khz also should work.

 3. Pitch is set to 600 as is the K3

OK

 4. The Audio IF I am not sure what to set that too as I am not
 running any SDR software. The only answer I could find for the
 setting of the was to set the Audio IF at -6000 and take away the
 global offset from your SDR software. I am not using SDR software so 
 is it left at -6000?


OK



 The Audio tab is set as follows.
 1. Sound-card driver is set to MME

OK

 2. Signal and Audio devices are set to my E MU 0202 cards

OK

 3. Channels was left at Left/Right= I/Q

Depends on cabling and band . On 6m, I/Q must be swapped.
Run a different copy for 6m with I/Q swapped.

I set up my cables to match the cabling of PowerSDR. PowerSDR 
compensates the SWAP of IF frequency above 30Mhz automatically.


So, for shortwave:

SoftRock-IF, Audio IF= -6000, I/Q Left/Right

Tune in a constant signal on your K3 . With the the above settings, the 
signal ( a continous dash on the screen) should be very close to the 
little green arrow. If it is a bit off, correct AUDIO IF up or down in 
small steps. If it is far off, you probably have the cables interchanged.


Finally, if you tune your K3 e.g. lower in frequency, the dash on the 
screen should move up (= stay on its frequency) while the green arrow 
should move down (= indicate the new lower K3 frequency) and vice versa. 
If not, flip cables. Allow a moment for the screen to update.


With this cabling, PowerSDR should run 'out of the box'.

For 6m, use the same cabling/settings. Just flip I and Q or run a 
differnt copy with I/Q flipped.



 4. Shift Right channel data was left at 0 samples

Probably OK

--

Ohne CW ist es nur CB..

73, Martin DM4iM
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Re: [Elecraft] CW skimmer setup question

[Chuck - AE4CW]

Mike,

Please see my embedded responses below:

Just downloaded CW skimmer and am using it with the LP Pan, E MU 0202 and of
coarse the K3. I am in the process of setting things up and has some
questions. As well just wanted to share the setup options I chose just to
make sure they are ok.
Under the settings taband then to the radio tab
1. I have set hardware to softRock-IF (as per LP Pan site) is this correct?
   YES
2. Sampling rate I am going to use is 96 and I did set the same on the E MU
0202
   OK
3. Pitch is set to 600 as is the K3
   OK
4. The Audio IF I am not sure what to set that too as I am not running any
SDR software. The only answer I could find for the setting of the was to set
the Audio IF at -6000 and take away the global offset from your SDR
software. I am not using SDR software so is it left at -6000?
   YOU WILL NEED TO ADJUST THE AUDIO IF SO THAT THE CW SIGNAL LINES UP WITH
THE SKIMMER FREQUENCY INDICATOR, I.E. THE GREEN POINTER.  MINE IS -5140.
The Audio tab is set as follows.
1. Sound-card driver is set to MME
   OK
2. Signal and Audio devices are set to my E MU 0202 cards
   OK
3. Channels was left at Left/Right= I/Q
   I HAD TO CHANGE TO Q/I.
4. Shift Right channel data was left at 0 samples
   OK
The Rig tab is set as follows..
   I HAVE NOT USED VSP MANAGER...RATHER LP-BRIDGE, BUT SEE BELOW FOR MY
SETTINGS IN THE SKIMMER CAT OMNI-RIG PANEL
1. Rig K3
2. Com port to be set when I use VSP manager to set up a virtual port pair.  
3. Baud 38400
   OK
4. Data 8 bits
   OK
5. Parity none
   OK
6. Stop 2
   THE K3 USES 1 STOP BIT
7. RTS set to Highnot sure about this?
   LOW
8. DTR set to high as well and not sure about this?
   LOW
9. Poll set to default 500
   100
10. Time out set to default 4000.  
   100
Not to concerned about other tabs at this moment in time. Just wanted to see
if I am on the right track with those who have this program up and running
with their K3
Thanks for your time
Mike
VE3WDM 



-
---
Chuck, AE4CW
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Re: [Elecraft] CW skimmer setup question

[Bill W4ZV]

The best place to get answers is the LP-PAN website.  It has very complete
instructions for both hardware and software.  

http://www.telepostinc.com/LP-PAN.html

For example, here's the page for the E-Mu 0202:

http://www.telepostinc.com/emu0202.html

If you still have questions after reading the website, the LP-PAN list is
also available:

http://groups.yahoo.com/neo/groups/LP-PAN/conversations/messages

Search the archives before asking questions.

If all else fails, Larry N8LP is very responsive if you email him directly:

n8lp at telepostinc.com

IMHO Larry's products and support are on a par with Elecraft's and I have no
connection with him other than being a very satisfied customer for several
of his products.

73,  Bill  W4ZV  (LP-PAN #008)



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Re: [Elecraft] CW Skimmer K3

[Sam Morgan]

check out the SoftRock Lite II SDR receiver from Tony Parks KB9RG.
You can use his  8.215 MHz SoftRock Lite II for K3 IF application that comes 
with the xtal for the K3'a IF.


Then tap the K3's IF through a buffer amp and bandpass filter from Clifton 
Laboratories.


Run that output into a sound card capable of at least 48khz and you have your 
feed for the CW Skimmer software.


Links to more info:
http://wb5rvz.com/sdr/  WB5RVZ's Documentation site about all Tony's SDR's
http://wb5rvz.com/sdr/sr_lite_ii/   SoftRock Lite II docs
http://fivedash.com/  Tony KB9YIG's site

http://cliftonlaboratories.com/  Clifton Labs site
http://www.cliftonlaboratories.com/z10010_bandpass_filter.htm   Bandpass filter
http://cliftonlaboratories.com/z1_buffer_amp.htm   Z1 Buffer Amp

http://www.telepostinc.com/soundcards.html   sound card recommendations

get out your soldering iron Gary, this can be done the old fashioned way for way 
less than $500 bucks did I mention it's also fun? g


P.S. if you spring for a better sound card (96khz or 192khz) you might get a 
kick out of the NaP3 software. Using LP-Bridge you can even use them all at the 
same time off the one K3 Serial Port.

http://www.telepostinc.com/NaP3.html




On 11/28/2012 12:09 AM, Gary Smith wrote:

Ah, I'd never heard of sdr-iq but I just looked for info on it and
for a $500 price tag, I'm not interested. The limitation of +/- 12
KHz with an additional piece of hardware doesn't thrill me either. To
just have the audio be worked with has for me no practical function
so I won't bother. I've heard the K3 described as a SDR radio and
thought the needed outputs would be readily available. Apples 
oranges I guess.

That's what I needed to know  thanks.

Now back to DX

Gary
KA1J


If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I
believe.

Greg
  On Nov 27, 2012 9:33 PM, David Gilbert xda...@cis-broadband.com
  wrote:



CW Skimmer is indeed a pretty cool piece of software, but it doesn't
work like that.  Unless you also have some sort of SDR front end,
all you'll be able to get with CW Skimmer is a display of the audio
passband.  For a display of stations outside that passband you need
an additional piece of hardware that takes the IF out from the K3
and processes it so that it can be handled by your sound card and CW
Skimmer.  Even then, CW Skimmer has a limitation in IF mode that
restricts what you see to something like +/- 12 KHz.

Even if you decide to go with something else, there's a lot of good
information on the LP-Pan website.

Dave   AB7E


On 11/27/2012 10:19 PM, Gary Smith wrote:


I'm always curious to try a new software  I thought CW skimmer
looks interesting. I'm wondering if anyone here is using it with
their K3 and if so, what did you find was the best way to connect
it to the K3?

I have both the internal Realtek soundcard built into the PC
motherboard and I have a E-MU USB soundcard which has XLR  1/4
inputs for left  right. There's optical  S/PDIF inputs as well
but the K3 doesn't have those outputs.

Thanks,

Gary
KA1J


--

GB  73
K5OAI
Sam Morgan
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Re: [Elecraft] CW Skimmer K3

[Greg]

I must be crazy but I had an SDR-IQ connected to the RX OUT and used
the rig control in the software connected to a VCP with LP Bridge and
it worked fine.



On 11/28/12, KQ8M k...@kq8m.com wrote:
 Unfortunately no, it only decodes +/- 12kHz. In the setup you use SDR-IF not
 SDR-IQ so you can control the radio. The software is
 limited to +/- 12. The author cannot/will not expand that.

 73,
 Tim Herrick, KQ8M
 Charter Member North Coast Contesters
 k...@kq8m.com

 AR-Cluster V6 kq8m.no-ip.org
 User Ports: 23, 7373  with local skimmer, 7374 without local skimmer
 Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606

 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Greg
 Sent: Wednesday, November 28, 2012 12:38 AM
 To: David Gilbert
 Cc: elecraft@mailman.qth.net
 Subject: Re: [Elecraft] CW Skimmer  K3

 If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I believe.

 Greg
  On Nov 27, 2012 9:33 PM, David Gilbert xda...@cis-broadband.com wrote:


 CW Skimmer is indeed a pretty cool piece of software, but it doesn't work
 like that.  Unless you also have some sort of SDR front end, all you'll
 be
 able to get with CW Skimmer is a display of the audio passband.  For a
 display of stations outside that passband you need an additional piece of
 hardware that takes the IF out from the K3 and processes it so that it
 can
 be handled by your sound card and CW Skimmer.  Even then, CW Skimmer has
 a
 limitation in IF mode that restricts what you see to something like +/-
 12 KHz.

 Even if you decide to go with something else, there's a lot of good
 information on the LP-Pan website.

 Dave   AB7E


 On 11/27/2012 10:19 PM, Gary Smith wrote:

 I'm always curious to try a new software  I thought CW skimmer looks
 interesting. I'm wondering if anyone here is using it with their K3
 and if so, what did you find was the best way to connect it to the
 K3?

 I have both the internal Realtek soundcard built into the PC
 motherboard and I have a E-MU USB soundcard which has XLR  1/4
 inputs for left  right. There's optical  S/PDIF inputs as well but
 the K3 doesn't have those outputs.

 Thanks,

 Gary
 KA1J
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Re: [Elecraft] CW Skimmer K3

[N8LP]

The outputs you are looking for exist on the KX3. I don't think they exist on
any other rig. 

Larry N8LP




Gary Smith-2 wrote
 Ah, I'd never heard of sdr-iq but I just looked for info on it and 
 for a $500 price tag, I'm not interested. The limitation of +/- 12 
 KHz with an additional piece of hardware doesn't thrill me either. To 
 just have the audio be worked with has for me no practical function 
 so I won't bother. I've heard the K3 described as a SDR radio and 
 thought the needed outputs would be readily available. Apples  
 oranges I guess.
 
 That's what I needed to know  thanks.
 
 Now back to DX
 
 Gary
 KA1J
 
 If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I
 believe.
 
 Greg
  On Nov 27, 2012 9:33 PM, David Gilbert lt;

 xdavid@

 gt;
  wrote:
 
 
  CW Skimmer is indeed a pretty cool piece of software, but it doesn't
  work like that.  Unless you also have some sort of SDR front end,
  all you'll be able to get with CW Skimmer is a display of the audio
  passband.  For a display of stations outside that passband you need
  an additional piece of hardware that takes the IF out from the K3
  and processes it so that it can be handled by your sound card and CW
  Skimmer.  Even then, CW Skimmer has a limitation in IF mode that
  restricts what you see to something like +/- 12 KHz.
 
  Even if you decide to go with something else, there's a lot of good
  information on the LP-Pan website.
 
  Dave   AB7E
 
 
  On 11/27/2012 10:19 PM, Gary Smith wrote:
 
  I'm always curious to try a new software  I thought CW skimmer
  looks interesting. I'm wondering if anyone here is using it with
  their K3 and if so, what did you find was the best way to connect
  it to the K3?
 
  I have both the internal Realtek soundcard built into the PC
  motherboard and I have a E-MU USB soundcard which has XLR  1/4
  inputs for left  right. There's optical  S/PDIF inputs as well
  but the K3 doesn't have those outputs.
 
  Thanks,
 
  Gary
  KA1J
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Re: [Elecraft] CW Skimmer K3

[Greg]

ExactlyI left out the part about the splitter. :)

On 11/28/12, Pete Smith N4ZR n...@contesting.com wrote:
 Yep, you can do that.  I have a magic-tee splitter that goes between RX
 OUT and RX IN, so that I can switch my QS1R in and out.

 73, Pete N4ZR
 Check out the Reverse Beacon Network at
 http://reversebeacon.net,
 blog at reversebeacon.blogspot.com.
 For spots, please go to your favorite
 ARC V6 or VE7CC DX cluster node.

 On 11/28/2012 10:19 AM, Greg wrote:
 I must be crazy but I had an SDR-IQ connected to the RX OUT and used
 the rig control in the software connected to a VCP with LP Bridge and
 it worked fine.



 On 11/28/12, KQ8M k...@kq8m.com wrote:
 Unfortunately no, it only decodes +/- 12kHz. In the setup you use SDR-IF
 not
 SDR-IQ so you can control the radio. The software is
 limited to +/- 12. The author cannot/will not expand that.

 73,
 Tim Herrick, KQ8M
 Charter Member North Coast Contesters
 k...@kq8m.com

 AR-Cluster V6 kq8m.no-ip.org
 User Ports: 23, 7373  with local skimmer, 7374 without local skimmer
 Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606

 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Greg
 Sent: Wednesday, November 28, 2012 12:38 AM
 To: David Gilbert
 Cc: elecraft@mailman.qth.net
 Subject: Re: [Elecraft] CW Skimmer  K3

 If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I
 believe.

 Greg
   On Nov 27, 2012 9:33 PM, David Gilbert xda...@cis-broadband.com
 wrote:

 CW Skimmer is indeed a pretty cool piece of software, but it doesn't
 work
 like that.  Unless you also have some sort of SDR front end, all you'll
 be
 able to get with CW Skimmer is a display of the audio passband.  For a
 display of stations outside that passband you need an additional piece
 of
 hardware that takes the IF out from the K3 and processes it so that it
 can
 be handled by your sound card and CW Skimmer.  Even then, CW Skimmer
 has
 a
 limitation in IF mode that restricts what you see to something like
 +/-
 12 KHz.

 Even if you decide to go with something else, there's a lot of good
 information on the LP-Pan website.

 Dave   AB7E


 On 11/27/2012 10:19 PM, Gary Smith wrote:

 I'm always curious to try a new software  I thought CW skimmer looks
 interesting. I'm wondering if anyone here is using it with their K3
 and if so, what did you find was the best way to connect it to the
 K3?

 I have both the internal Realtek soundcard built into the PC
 motherboard and I have a E-MU USB soundcard which has XLR  1/4
 inputs for left  right. There's optical  S/PDIF inputs as well but
 the K3 doesn't have those outputs.

 Thanks,

 Gary
 KA1J
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Re: [Elecraft] CW Skimmer K3

[Christian AK4VV]

Yes. It works. Need to connect I/Q out to your E-MU and probably need
isolation transformers to keep the noise out.  The cable kit is an easy way
to do to get there.  But you probably still need to fiddle with getting
audio isolation inline. At least I did.

73,
Christian
AK4VV
 On Nov 28, 2012 12:19 AM, Gary Smith g...@ka1j.com wrote:

 I'm always curious to try a new software  I thought CW skimmer looks
 interesting. I'm wondering if anyone here is using it with their K3
 and if so, what did you find was the best way to connect it to the
 K3?

 I have both the internal Realtek soundcard built into the PC
 motherboard and I have a E-MU USB soundcard which has XLR  1/4
 inputs for left  right. There's optical  S/PDIF inputs as well but
 the K3 doesn't have those outputs.

 Thanks,

 Gary
 KA1J
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Re: [Elecraft] CW Skimmer K3

[Greg]

Another option is to use something like an active rx antenna on the
SDRIQ with a relay to disconnect during transmit.  I did this with the
QS1R for awhile and it was a good combination.


On 11/28/12, Greg a...@cablespeed.com wrote:
 Yup.Works fine too.

 On 11/28/12, KQ8M k...@kq8m.com wrote:
 Your just sharing the RX antenna now not actually using the K3's IF.

 73,
 Tim Herrick, KQ8M
 Charter Member North Coast Contesters
 k...@kq8m.com

 AR-Cluster V6 kq8m.no-ip.org
 User Ports: 23, 7373  with local skimmer, 7374 without local skimmer
 Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606


 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Greg
 Sent: Wednesday, November 28, 2012 11:33 AM
 To: Pete Smith N4ZR; Elecraft Reflector
 Subject: Re: [Elecraft] CW Skimmer  K3

 ExactlyI left out the part about the splitter. :)

 On 11/28/12, Pete Smith N4ZR n...@contesting.com wrote:
 Yep, you can do that.  I have a magic-tee splitter that goes between RX
 OUT and RX IN, so that I can switch my QS1R in and out.

 73, Pete N4ZR
 Check out the Reverse Beacon Network at
 http://reversebeacon.net,
 blog at reversebeacon.blogspot.com.
 For spots, please go to your favorite
 ARC V6 or VE7CC DX cluster node.

 On 11/28/2012 10:19 AM, Greg wrote:
 I must be crazy but I had an SDR-IQ connected to the RX OUT and used
 the rig control in the software connected to a VCP with LP Bridge and
 it worked fine.



 On 11/28/12, KQ8M k...@kq8m.com wrote:
 Unfortunately no, it only decodes +/- 12kHz. In the setup you use
 SDR-IF
 not
 SDR-IQ so you can control the radio. The software is
 limited to +/- 12. The author cannot/will not expand that.

 73,
 Tim Herrick, KQ8M
 Charter Member North Coast Contesters
 k...@kq8m.com

 AR-Cluster V6 kq8m.no-ip.org
 User Ports: 23, 7373  with local skimmer, 7374 without local skimmer
 Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606

 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Greg
 Sent: Wednesday, November 28, 2012 12:38 AM
 To: David Gilbert
 Cc: elecraft@mailman.qth.net
 Subject: Re: [Elecraft] CW Skimmer  K3

 If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I
 believe.

 Greg
   On Nov 27, 2012 9:33 PM, David Gilbert xda...@cis-broadband.com
 wrote:

 CW Skimmer is indeed a pretty cool piece of software, but it doesn't
 work
 like that.  Unless you also have some sort of SDR front end, all
 you'll
 be
 able to get with CW Skimmer is a display of the audio passband.  For
 a
 display of stations outside that passband you need an additional
 piece
 of
 hardware that takes the IF out from the K3 and processes it so that
 it
 can
 be handled by your sound card and CW Skimmer.  Even then, CW Skimmer
 has
 a
 limitation in IF mode that restricts what you see to something like
 +/-
 12 KHz.

 Even if you decide to go with something else, there's a lot of good
 information on the LP-Pan website.

 Dave   AB7E


 On 11/27/2012 10:19 PM, Gary Smith wrote:

 I'm always curious to try a new software  I thought CW skimmer
 looks
 interesting. I'm wondering if anyone here is using it with their K3
 and if so, what did you find was the best way to connect it to the
 K3?

 I have both the internal Realtek soundcard built into the PC
 motherboard and I have a E-MU USB soundcard which has XLR  1/4
 inputs for left  right. There's optical  S/PDIF inputs as well but
 the K3 doesn't have those outputs.

 Thanks,

 Gary
 KA1J
 __**__**__
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 Post

Re: [Elecraft] CW Skimmer K3

[Gary Smith]

This is obviously something that should be made available as an 
add-on/upgrade to the K3.

Gary
KA1J

 The outputs you are looking for exist on the KX3. I don't think they
 exist on any other rig. 
 
 Larry N8LP
 
 
 
 
 Gary Smith-2 wrote
  Ah, I'd never heard of sdr-iq but I just looked for info on it and
  for a $500 price tag, I'm not interested. The limitation of +/- 12
  KHz with an additional piece of hardware doesn't thrill me either.
  To just have the audio be worked with has for me no practical
  function so I won't bother. I've heard the K3 described as a SDR
  radio and thought the needed outputs would be readily available.
  Apples  oranges I guess.
  
  That's what I needed to know  thanks.
  
  Now back to DX
  
  Gary
  KA1J
  
  If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I
  believe.
  
  Greg
   On Nov 27, 2012 9:33 PM, David Gilbert lt;
 
  xdavid@
 
  gt;
   wrote:
  
  
   CW Skimmer is indeed a pretty cool piece of software, but it
   doesn't work like that.  Unless you also have some sort of SDR
   front end, all you'll be able to get with CW Skimmer is a display
   of the audio passband.  For a display of stations outside that
   passband you need an additional piece of hardware that takes the
   IF out from the K3 and processes it so that it can be handled by
   your sound card and CW Skimmer.  Even then, CW Skimmer has a
   limitation in IF mode that restricts what you see to something
   like +/- 12 KHz.
  
   Even if you decide to go with something else, there's a lot of
   good information on the LP-Pan website.
  
   Dave   AB7E
  
  
   On 11/27/2012 10:19 PM, Gary Smith wrote:
  
   I'm always curious to try a new software  I thought CW skimmer
   looks interesting. I'm wondering if anyone here is using it with
   their K3 and if so, what did you find was the best way to
   connect it to the K3?
  
   I have both the internal Realtek soundcard built into the PC
   motherboard and I have a E-MU USB soundcard which has XLR  1/4
   inputs for left  right. There's optical  S/PDIF inputs as well
   but the K3 doesn't have those outputs.
  
   Thanks,
  
   Gary
   KA1J
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Re: [Elecraft] CW Skimmer K3

[David Gilbert]

KA1J asked if he could use his K3 and his computer sound card to run CW 
SKimmer, and you're telling him how he can spend between $500 (SDR-IQ) 
and $1000 (QS1-R) for a solution that doesn't even actually use the K3.  
That's like me asking if I can add a tailgate lift to my pickup and you 
telling me to buy a forklift.


Dave   AB7E


On 11/28/2012 9:40 AM, Greg wrote:

Another option is to use something like an active rx antenna on the
SDRIQ with a relay to disconnect during transmit.  I did this with the
QS1R for awhile and it was a good combination.


On 11/28/12, Greg a...@cablespeed.com wrote:

Yup.Works fine too.




On 11/28/12, KQ8M k...@kq8m.com wrote:

Your just sharing the RX antenna now not actually using the K3's IF.

73,
Tim Herrick, KQ8M
Charter Member North Coast Contesters
k...@kq8m.com



On 11/28/2012 10:19 AM, Greg wrote:

I must be crazy but I had an SDR-IQ connected to the RX OUT and used
the rig control in the software connected to a VCP with LP Bridge and
it worked fine.



On 11/28/12, KQ8M k...@kq8m.com wrote:

Unfortunately no, it only decodes +/- 12kHz. In the setup you use
SDR-IF
not
SDR-IQ so you can control the radio. The software is
limited to +/- 12. The author cannot/will not expand that.

73,
Tim Herrick, KQ8M
Charter Member North Coast Contesters
k...@kq8m.com



-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Greg
Sent: Wednesday, November 28, 2012 12:38 AM
To: David Gilbert
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] CW Skimmer  K3

If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I
believe.

Greg
   


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Re: [Elecraft] CW Skimmer K3

[Henk PA5KT]

Gary,

You need a KXV3A to have IF output. You them can downconvert the 8MHz IF 
signal to audiofrequency with a box like the LP-PAN downconverter.

See http://telepostinc.com/LP-PAN.html

With the EMU USB 0202 soundcard you will get a nice bandscope for the 
K3, but it also works with Skimmer.


You might ask on the reflector if someone has a used LP-PAN for sale as 
a lot of people replaced their LP-PAN with the P3.


I am a happy user of the LP-PAN converter.

It is recommended to do the IF mod on the K3 if your K3 is older them 
September 2009. 
(http://www.elecraft.com/K3/mods/IF_Output_Buffer_Gain_Mod_Rev_A.pdf).


73 Henk PA5KT

Op 28-11-2012 6:19, Gary Smith schreef:

I'm always curious to try a new software  I thought CW skimmer looks
interesting. I'm wondering if anyone here is using it with their K3
and if so, what did you find was the best way to connect it to the
K3?

I have both the internal Realtek soundcard built into the PC
motherboard and I have a E-MU USB soundcard which has XLR  1/4
inputs for left  right. There's optical  S/PDIF inputs as well but
the K3 doesn't have those outputs.

Thanks,

Gary
KA1J
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Re: [Elecraft] CW Skimmer K3

[David Gilbert]

That's still limited to +/- 12 KHz for use with CW Skimmer.

By the way, I thought I read somewhere recently that the Softrock Lite 
for use with the K3 IF was no longer offered by Tony although I could be 
wrong, about that.  If anyone knows for certain, please correct me.


Dave   AB7E


On 11/28/2012 4:31 AM, Sam Morgan wrote:

check out the SoftRock Lite II SDR receiver from Tony Parks KB9RG.
You can use his  8.215 MHz SoftRock Lite II for K3 IF application that 
comes with the xtal for the K3'a IF.


Then tap the K3's IF through a buffer amp and bandpass filter from 
Clifton Laboratories.


Run that output into a sound card capable of at least 48khz and you 
have your feed for the CW Skimmer software.


snip




On 11/28/2012 12:09 AM, Gary Smith wrote:

Ah, I'd never heard of sdr-iq but I just looked for info on it and
for a $500 price tag, I'm not interested. The limitation of +/- 12
KHz with an additional piece of hardware doesn't thrill me either. To
just have the audio be worked with has for me no practical function
so I won't bother. I've heard the K3 described as a SDR radio and
thought the needed outputs would be readily available. Apples 
oranges I guess.

That's what I needed to know  thanks.

Now back to DX

Gary
KA1J


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Re: [Elecraft] CW Skimmer K3

[iain macdonnell - N6ML]

TelePost Inc (i.e. N8LP) provides such an add-on. It's called LP-Pan.

If you're suggesting that Elecraft should provide an internal module
option for this... I suppose that might be technically feasible, but
I'm not sure it'd really be much of a value-add, since LP-Pan works
well.

BTW, from what I understand, the KX3 architecture is quite different
from the K3, and it actually uses I/Q internally, so it's easy to
make the I/Q signals available externally, whereas the K3 requires a
converter (like LP-Pan) that takes the IF as its input.

73,

~iain / N6ML


On Wed, Nov 28, 2012 at 9:04 AM, Gary Smith g...@ka1j.com wrote:
 This is obviously something that should be made available as an
 add-on/upgrade to the K3.

 Gary
 KA1J

 The outputs you are looking for exist on the KX3. I don't think they
 exist on any other rig.

 Larry N8LP




 Gary Smith-2 wrote
  Ah, I'd never heard of sdr-iq but I just looked for info on it and
  for a $500 price tag, I'm not interested. The limitation of +/- 12
  KHz with an additional piece of hardware doesn't thrill me either.
  To just have the audio be worked with has for me no practical
  function so I won't bother. I've heard the K3 described as a SDR
  radio and thought the needed outputs would be readily available.
  Apples  oranges I guess.
 
  That's what I needed to know  thanks.
 
  Now back to DX
 
  Gary
  KA1J
 
  If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I
  believe.
 
  Greg
   On Nov 27, 2012 9:33 PM, David Gilbert lt;

  xdavid@

  gt;
   wrote:
 
  
   CW Skimmer is indeed a pretty cool piece of software, but it
   doesn't work like that.  Unless you also have some sort of SDR
   front end, all you'll be able to get with CW Skimmer is a display
   of the audio passband.  For a display of stations outside that
   passband you need an additional piece of hardware that takes the
   IF out from the K3 and processes it so that it can be handled by
   your sound card and CW Skimmer.  Even then, CW Skimmer has a
   limitation in IF mode that restricts what you see to something
   like +/- 12 KHz.
  
   Even if you decide to go with something else, there's a lot of
   good information on the LP-Pan website.
  
   Dave   AB7E
  
  
   On 11/27/2012 10:19 PM, Gary Smith wrote:
  
   I'm always curious to try a new software  I thought CW skimmer
   looks interesting. I'm wondering if anyone here is using it with
   their K3 and if so, what did you find was the best way to
   connect it to the K3?
  
   I have both the internal Realtek soundcard built into the PC
   motherboard and I have a E-MU USB soundcard which has XLR  1/4
   inputs for left  right. There's optical  S/PDIF inputs as well
   but the K3 doesn't have those outputs.
  
   Thanks,
  
   Gary
   KA1J
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Re: [Elecraft] CW Skimmer K3

[Don Wilhelm]

Gary,

The K3 IF output is what can be used to run CW Skimmer or other 
applications.  You can use LP-
Pan, or a Softrock receiver (with a buffer amplifier) or you can use an 
SDR receiver that provides a computer connection such as SDR-IQ.


The K3 filtering will not allow wideband I and Q signals to be available 
as output signals - yes, those signals do exist internally to the K3, 
but not in analog form - unlike the KX3 where the analog I and Q signals 
are available.  The two receivers have different architecture even 
though they are both in the class of SDR receivers.


73,
Don W3FPR

On 11/28/2012 12:04 PM, Gary Smith wrote:

This is obviously something that should be made available as an
add-on/upgrade to the K3.

Gary
KA1J


The outputs you are looking for exist on the KX3. I don't think they
exist on any other rig.




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Re: [Elecraft] CW Skimmer K3

[Greg]

I was simply mentioning optionsand a used SDR-IQ can be found for
$300-$400 and you don't need the soundcard to get 192 kHz decoding and
works fine with the K3 RX IN/OUT loop.  If you don't like my comment
to him simply turn the page Dave.

73
Greg


On 11/28/12, David Gilbert xda...@cis-broadband.com wrote:

 KA1J asked if he could use his K3 and his computer sound card to run CW
 SKimmer, and you're telling him how he can spend between $500 (SDR-IQ)
 and $1000 (QS1-R) for a solution that doesn't even actually use the K3.
 That's like me asking if I can add a tailgate lift to my pickup and you
 telling me to buy a forklift.

 Dave   AB7E


 On 11/28/2012 9:40 AM, Greg wrote:
 Another option is to use something like an active rx antenna on the
 SDRIQ with a relay to disconnect during transmit.  I did this with the
 QS1R for awhile and it was a good combination.


 On 11/28/12, Greg a...@cablespeed.com wrote:
 Yup.Works fine too.


 On 11/28/12, KQ8M k...@kq8m.com wrote:
 Your just sharing the RX antenna now not actually using the K3's IF.

 73,
 Tim Herrick, KQ8M
 Charter Member North Coast Contesters
 k...@kq8m.com



 On 11/28/2012 10:19 AM, Greg wrote:
 I must be crazy but I had an SDR-IQ connected to the RX OUT and used
 the rig control in the software connected to a VCP with LP Bridge and
 it worked fine.



 On 11/28/12, KQ8M k...@kq8m.com wrote:
 Unfortunately no, it only decodes +/- 12kHz. In the setup you use
 SDR-IF
 not
 SDR-IQ so you can control the radio. The software is
 limited to +/- 12. The author cannot/will not expand that.

 73,
 Tim Herrick, KQ8M
 Charter Member North Coast Contesters
 k...@kq8m.com



 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Greg
 Sent: Wednesday, November 28, 2012 12:38 AM
 To: David Gilbert
 Cc: elecraft@mailman.qth.net
 Subject: Re: [Elecraft] CW Skimmer  K3

 If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I
 believe.

 Greg


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Re: [Elecraft] CW Skimmer K3

[Sam Morgan]

typo correction
should say Tony Parks *KB9YIG* not Tony Parks KB9RG.

On 11/28/2012 5:31 AM, Sam Morgan wrote:

check out the SoftRock Lite II SDR receiver from Tony Parks KB9RG.
You can use his  8.215 MHz SoftRock Lite II for K3 IF application that comes
with the xtal for the K3'a IF.

Then tap the K3's IF through a buffer amp and bandpass filter from Clifton
Laboratories.

Run that output into a sound card capable of at least 48khz and you have your
feed for the CW Skimmer software.

Links to more info:
http://wb5rvz.com/sdr/  WB5RVZ's Documentation site about all Tony's SDR's
http://wb5rvz.com/sdr/sr_lite_ii/   SoftRock Lite II docs
http://fivedash.com/  Tony KB9YIG's site

http://cliftonlaboratories.com/  Clifton Labs site
http://www.cliftonlaboratories.com/z10010_bandpass_filter.htm   Bandpass filter
http://cliftonlaboratories.com/z1_buffer_amp.htm   Z1 Buffer Amp

http://www.telepostinc.com/soundcards.html   sound card recommendations

get out your soldering iron Gary, this can be done the old fashioned way for way
less than $500 bucks did I mention it's also fun? g

P.S. if you spring for a better sound card (96khz or 192khz) you might get a
kick out of the NaP3 software. Using LP-Bridge you can even use them all at the
same time off the one K3 Serial Port.
http://www.telepostinc.com/NaP3.html




--

GB  73
K5OAI
Sam Morgan
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Re: [Elecraft] CW Skimmer K3

[David Gilbert]

Just to clarify, the +/- 12KHz limitation when using CW SKimmer in IF 
Mode is a function of the software itself imposed by the author of that 
application for reasons that have never been clear to me. CW Skimmer 
will work over wider ranges when separately used with hardware like the 
SDR-IQ or QS1-R, but then again the K3 isn't needed in those cases anyway.


Other SDR software like NaP3 will give a full range (limited by 
whatever the sound card is capable of) display even when used with the 
K3 IF output (plus the requisite SDR hardware like the Softrock or 
LP-Pan or SDR-IQ or QS1-R or whatever), but of course won't have the 
on-screen callsign/CW decoding that CW Skimmer does.  And as someone 
recently pointed out, you do need the KXV3A option installed in your K3 
to get the IF out of the K3 in the first place.


73,
Dave   AB7E



On 11/28/2012 10:54 AM, David Gilbert wrote:


That's still limited to +/- 12 KHz for use with CW Skimmer.

By the way, I thought I read somewhere recently that the Softrock Lite 
for use with the K3 IF was no longer offered by Tony although I could 
be wrong about that.  If anyone knows for certain, please correct me.


Dave   AB7E


On 11/28/2012 4:31 AM, Sam Morgan wrote:

check out the SoftRock Lite II SDR receiver from Tony Parks KB9RG.
You can use his  8.215 MHz SoftRock Lite II for K3 IF application 
that comes with the xtal for the K3'a IF.


Then tap the K3's IF through a buffer amp and bandpass filter from 
Clifton Laboratories.


Run that output into a sound card capable of at least 48khz and you 
have your feed for the CW Skimmer software.


snip




On 11/28/2012 12:09 AM, Gary Smith wrote:

Ah, I'd never heard of sdr-iq but I just looked for info on it and
for a $500 price tag, I'm not interested. The limitation of +/- 12
KHz with an additional piece of hardware doesn't thrill me either. To
just have the audio be worked with has for me no practical function
so I won't bother. I've heard the K3 described as a SDR radio and
thought the needed outputs would be readily available. Apples 
oranges I guess.

That's what I needed to know  thanks.

Now back to DX

Gary
KA1J




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Re: [Elecraft] CW Skimmer K3

[KQ8M]

Brian, do you have a website. I get a couple of million other references to 
IBSS. I presently use Skimscanner but would like to
check this one out.

73,
Tim Herrick, KQ8M
Charter Member North Coast Contesters
k...@kq8m.com

AR-Cluster V6 kq8m.no-ip.org
User Ports: 23, 7373  with local skimmer, 7374 without local skimmer
Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Brian Alsop
Sent: Wednesday, November 28, 2012 1:48 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] CW Skimmer  K3

The +/- 12 KHz limit can be overcome by a program called IBSS.
It lets you define segments for each band and how long you want SKIMMER 
to spend listening in each segment.

Author is: W3OA @ roadrunner.com  (delete spaces).

Used it many contest weekends.  With SKIMMER on VFO B reporting spots 
and IBSS, you can have a robot operator scanning the band looking for 
new ones.

I use a Softrock SDR.

73 de Brian/K3KO

On 11/28/2012 18:23, David Gilbert wrote:

 That's good news ... the Softrock has surprisingly good performance and
 is certainly an inexpensive way to get involved with SDR applications.

 Thanks for the correction.

 73,
 Dave   AB7E


 On 11/28/2012 11:09 AM, Sam Morgan wrote:
 here is the direct link to Tony's site called five dash inc
 where he *IS_STILL* selling the SoftRock needed for the K3 if tap:
 http://tinyurl.com/br28abo

 snip


 On 11/28/2012 11:54 AM, David Gilbert wrote:

 That's still limited to ± 12 KHz for use with CW Skimmer.

 By the way, I thought I read somewhere recently that the Softrock
 Lite for use
 with the K3 IF was no longer offered by Tony although I could be
 wrong, about
 that.  If anyone knows for certain, please correct me.

 Dave   AB7E


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Re: [Elecraft] CW Skimmer K3

[Gary Smith]

Thanks for all the helpful replies. I do have the KXV3A (never used 
it yet) in this K3, subreceiver too. I've considered the LP-Pan which 
looks really nice and I have the LP-100A and it's stellar so I know 
the LP-Pan will be as effective but can't afford to go the LP-Pan 
route or the P3 either. 

I just had read a little about the CW Skimmer and was curious as to 
how it would be of interest to me if I tried it, it seemed like all 
that was needed for it was to work was a soundcard and all would hook 
up readily  the monitor would show the information. I didn't realize 
all the extra accouterments needed to make it useful; I've never seen 
it in operation and don't know anyone using it to go  have a look 
see.

Think I'm going back to my rock  wait for some Dx to fly by for 
supper.

Gary
KA1J

 
 Just to clarify, the +/- 12KHz limitation when using CW SKimmer in IF
 Mode is a function of the software itself imposed by the author of
 that application for reasons that have never been clear to me. CW
 Skimmer will work over wider ranges when separately used with hardware
 like the SDR-IQ or QS1-R, but then again the K3 isn't needed in those
 cases anyway.
 
 Other SDR software like NaP3 will give a full range (limited by
 whatever the sound card is capable of) display even when used with the
 K3 IF output (plus the requisite SDR hardware like the Softrock or
 LP-Pan or SDR-IQ or QS1-R or whatever), but of course won't have the
 on-screen callsign/CW decoding that CW Skimmer does.  And as someone
 recently pointed out, you do need the KXV3A option installed in your
 K3 to get the IF out of the K3 in the first place.
 
 73,
 Dave   AB7E
 
 
 
 On 11/28/2012 10:54 AM, David Gilbert wrote:
 
  That's still limited to +/- 12 KHz for use with CW Skimmer.
 
  By the way, I thought I read somewhere recently that the Softrock
  Lite for use with the K3 IF was no longer offered by Tony although I
  could be wrong about that.  If anyone knows for certain, please
  correct me.
 
  Dave   AB7E
 
 
  On 11/28/2012 4:31 AM, Sam Morgan wrote:
  check out the SoftRock Lite II SDR receiver from Tony Parks KB9RG.
  You can use his  8.215 MHz SoftRock Lite II for K3 IF application
  that comes with the xtal for the K3'a IF.
 
  Then tap the K3's IF through a buffer amp and bandpass filter from
  Clifton Laboratories.
 
  Run that output into a sound card capable of at least 48khz and you
  have your feed for the CW Skimmer software.
 
  snip
 
 
 
 
  On 11/28/2012 12:09 AM, Gary Smith wrote:
  Ah, I'd never heard of sdr-iq but I just looked for info on it and
  for a $500 price tag, I'm not interested. The limitation of +/- 12
  KHz with an additional piece of hardware doesn't thrill me either.
  To just have the audio be worked with has for me no practical
  function so I won't bother. I've heard the K3 described as a SDR
  radio and thought the needed outputs would be readily available.
  Apples  oranges I guess.
 
  That's what I needed to know  thanks.
 
  Now back to DX
 
  Gary
  KA1J
 
 
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Re: [Elecraft] CW Skimmer K3

[iain macdonnell - N6ML]

Maybe he meant this:

http://home.roadrunner.com/~w3oa/SkimScan/

(from Google for w3oa skimmer)

73,

~iain / N6ML


On Wed, Nov 28, 2012 at 10:56 AM, KQ8M k...@kq8m.com wrote:
 Brian, do you have a website. I get a couple of million other references to 
 IBSS. I presently use Skimscanner but would like to
 check this one out.

 73,
 Tim Herrick, KQ8M
 Charter Member North Coast Contesters
 k...@kq8m.com

 AR-Cluster V6 kq8m.no-ip.org
 User Ports: 23, 7373  with local skimmer, 7374 without local skimmer
 Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606


 -Original Message-
 From: elecraft-boun...@mailman.qth.net 
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Brian Alsop
 Sent: Wednesday, November 28, 2012 1:48 PM
 To: elecraft@mailman.qth.net
 Subject: Re: [Elecraft] CW Skimmer  K3

 The +/- 12 KHz limit can be overcome by a program called IBSS.
 It lets you define segments for each band and how long you want SKIMMER
 to spend listening in each segment.

 Author is: W3OA @ roadrunner.com  (delete spaces).

 Used it many contest weekends.  With SKIMMER on VFO B reporting spots
 and IBSS, you can have a robot operator scanning the band looking for
 new ones.

 I use a Softrock SDR.

 73 de Brian/K3KO

 On 11/28/2012 18:23, David Gilbert wrote:

 That's good news ... the Softrock has surprisingly good performance and
 is certainly an inexpensive way to get involved with SDR applications.

 Thanks for the correction.

 73,
 Dave   AB7E


 On 11/28/2012 11:09 AM, Sam Morgan wrote:
 here is the direct link to Tony's site called five dash inc
 where he *IS_STILL* selling the SoftRock needed for the K3 if tap:
 http://tinyurl.com/br28abo

 snip


 On 11/28/2012 11:54 AM, David Gilbert wrote:

 That's still limited to ± 12 KHz for use with CW Skimmer.

 By the way, I thought I read somewhere recently that the Softrock
 Lite for use
 with the K3 IF was no longer offered by Tony although I could be
 wrong, about
 that.  If anyone knows for certain, please correct me.

 Dave   AB7E


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 -
 No virus found in this message.
 Checked by AVG - www.avg.com
 Version: 2012.0.2221 / Virus Database: 2629/5424 - Release Date: 11/28/12







 -
 No virus found in this message.
 Checked by AVG - www.avg.com
 Version: 2012.0.2221 / Virus Database: 2629/5424 - Release Date: 11/28/12


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Re: [Elecraft] CW Skimmer K3

[Brian Alsop]

That's the guy but not the program. SKIMSCAN is for jumping from band to 
band on a single frequency.


Contact him directly to get the program.

I asked him if he could mod it to scan several frequencies in a single 
band-- definable for each band.  He came up with IBSS.


73 de Brian/K3KO

On 11/28/2012 19:02, iain macdonnell - N6ML wrote:

Maybe he meant this:

http://home.roadrunner.com/~w3oa/SkimScan/

(from Google for w3oa skimmer)

73,

 ~iain / N6ML


On Wed, Nov 28, 2012 at 10:56 AM, KQ8M k...@kq8m.com wrote:

Brian, do you have a website. I get a couple of million other references to 
IBSS. I presently use Skimscanner but would like to
check this one out.

73,
Tim Herrick, KQ8M
Charter Member North Coast Contesters
k...@kq8m.com

AR-Cluster V6 kq8m.no-ip.org
User Ports: 23, 7373  with local skimmer, 7374 without local skimmer
Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Brian Alsop
Sent: Wednesday, November 28, 2012 1:48 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] CW Skimmer  K3

The +/- 12 KHz limit can be overcome by a program called IBSS.
It lets you define segments for each band and how long you want SKIMMER
to spend listening in each segment.

Author is: W3OA @ roadrunner.com  (delete spaces).

Used it many contest weekends.  With SKIMMER on VFO B reporting spots
and IBSS, you can have a robot operator scanning the band looking for
new ones.

I use a Softrock SDR.

73 de Brian/K3KO

On 11/28/2012 18:23, David Gilbert wrote:


That's good news ... the Softrock has surprisingly good performance and



is certainly an inexpensive way to get involved with SDR applications.

Thanks for the correction.

73,
Dave   AB7E


On 11/28/2012 11:09 AM, Sam Morgan wrote:

here is the direct link to Tony's site called five dash inc
where he *IS_STILL* selling the SoftRock needed for the K3 if tap:
http://tinyurl.com/br28abo

snip


On 11/28/2012 11:54 AM, David Gilbert wrote:


That's still limited to ± 12 KHz for use with CW Skimmer.

By the way, I thought I read somewhere recently that the Softrock
Lite for use
with the K3 IF was no longer offered by Tony although I could be
wrong, about
that.  If anyone knows for certain, please correct me.

Dave   AB7E




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Checked by AVG - www.avg.com
Version: 2012.0.2221 / Virus Database: 2629/5424 - Release Date: 11/28/12








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Re: [Elecraft] CW Skimmer K3

[Sam Morgan]

or just enter IBSS instead of SkinScan

http://home.roadrunner.com/~w3oa/IBSS/

On 11/28/2012 1:15 PM, Brian Alsop wrote:

That's the guy but not the program. SKIMSCAN is for jumping from band to band on
a single frequency.

Contact him directly to get the program.

I asked him if he could mod it to scan several frequencies in a single band--
definable for each band.  He came up with IBSS.

73 de Brian/K3KO



--

GB  73
K5OAI
Sam Morgan
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Re: [Elecraft] CW Skimmer K3

[Christian AK4VV]

Argh. Showed up in my KX3 folder. Sorry. Disregard.
 On Nov 28, 2012 11:37 AM, Christian AK4VV ak...@kuhtz.com wrote:

 Yes. It works. Need to connect I/Q out to your E-MU and probably need
 isolation transformers to keep the noise out.  The cable kit is an easy way
 to do to get there.  But you probably still need to fiddle with getting
 audio isolation inline. At least I did.

 73,
 Christian
 AK4VV
  On Nov 28, 2012 12:19 AM, Gary Smith g...@ka1j.com wrote:

 I'm always curious to try a new software  I thought CW skimmer looks
 interesting. I'm wondering if anyone here is using it with their K3
 and if so, what did you find was the best way to connect it to the
 K3?

 I have both the internal Realtek soundcard built into the PC
 motherboard and I have a E-MU USB soundcard which has XLR  1/4
 inputs for left  right. There's optical  S/PDIF inputs as well but
 the K3 doesn't have those outputs.

 Thanks,

 Gary
 KA1J
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Re: [Elecraft] CW Skimmer K3

[David Gilbert]

Good point ... and if you want to carry that idea a bit further you can 
actually accomplish a similar thing without any SDR hardware at all.  
Just use CW Skimmer in audio mode (K3 Line Out to sound card input) with 
the K3 passband opened up to whatever your widest filter is, and then 
use a macro application like AutoHotKey to step CW Skimmer up in 
increments of approximately that bandwidth.  The downside, of course, is 
that it can take a while to step through an entire band.  CW Skimmer 
decodes plenty fast enough, but you need to delay at each jump long 
enough to reasonably expect a callsign to be sent.  Either that or you 
just step through more quickly and let the bandmap gradually fill up as 
CW Skimmer happens to stumble on each callsign.


73,
Dave   AB7E



On 11/28/2012 11:47 AM, Brian Alsop wrote:

The +/- 12 KHz limit can be overcome by a program called IBSS.
It lets you define segments for each band and how long you want 
SKIMMER to spend listening in each segment.


Author is: W3OA @ roadrunner.com  (delete spaces).

Used it many contest weekends.  With SKIMMER on VFO B reporting spots 
and IBSS, you can have a robot operator scanning the band looking for 
new ones.


I use a Softrock SDR.

73 de Brian/K3KO

On 11/28/2012 18:23, David Gilbert wrote:


That's good news ... the Softrock has surprisingly good performance and
is certainly an inexpensive way to get involved with SDR applications.

Thanks for the correction.

73,
Dave   AB7E


On 11/28/2012 11:09 AM, Sam Morgan wrote:

here is the direct link to Tony's site called five dash inc
where he *IS_STILL* selling the SoftRock needed for the K3 if tap:
http://tinyurl.com/br28abo

snip


On 11/28/2012 11:54 AM, David Gilbert wrote:


That's still limited to ± 12 KHz for use with CW Skimmer.

By the way, I thought I read somewhere recently that the Softrock
Lite for use
with the K3 IF was no longer offered by Tony although I could be
wrong, about
that.  If anyone knows for certain, please correct me.

Dave   AB7E




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Checked by AVG - www.avg.com
Version: 2012.0.2221 / Virus Database: 2629/5424 - Release Date: 
11/28/12









-
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Checked by AVG - www.avg.com
Version: 2012.0.2221 / Virus Database: 2629/5424 - Release Date: 11/28/12


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Re: [Elecraft] CW Skimmer K3

[David Gilbert]

For what it may be worth, I have indeed found CW Skimmer to be useful 
even when only used in audio mode (K3 Line Out fed directly to the input 
of the sound card).  It won't give you much of a spectrum display since 
it will be limited to however wide your K3 passband filter is, but it 
will do other potentially useful things.


a.  It will decode callsigns and text of whatever falls within your 
listening passband.  You ear/brain may only lock onto one caller but CW 
Skimmer will often catch more than that.  Work one station and then 
immediately call the next, assuming you are operating assisted.


b.  The resolution of the waterfall display in CW Skimmer is 
superlative, and it scrolls from right to left (meaning we can read it 
normally from left to right).  I have sometimes used CW Skimmer (audio 
only) in Blind Mode (meaning it does not display callsigns or text) 
purely for the visual representation of the Morse Code I'm receiving.  
With a reasonably high resolution monitor I can get about 12 seconds of 
CW banner running across my screen.  I narrow the CW Skimmer window 
vertically to just a stripe that I can squeeze between the various N1MM 
logger windows, and if I miss something that has been sent to me I can 
quickly glance up and usually see what it was.  It takes some mental 
retraining to add visual decoding to the  reception process, but I read 
the dots and dashes as dits and dahs so that helps.  My CW recognition 
isn't too bad on its own so I don't often have to use this technique, 
but like many I often confuse S with H or H with 5, and it is very quick 
to simply glance up and count dots for verification.  It has saved me 
several times from having to ask for a repeat.  I even wrote some 
AutoHotKey scripts to pause/unpause the CW Skimmer waterfall for those 
times when I knew I missed something but couldn't immediately glance up 
to check it.


c.  You see how bad the clicks are on some hams' signals (assuming you 
aren't overdriving your sound card and producing them internally).  They 
look as bad as they sound.


Whether any of that is worth the price of the program to you is another 
matter, but I found that it was for me.


73,
Dave   AB7E



On 11/28/2012 12:00 PM, Gary Smith wrote:

Thanks for all the helpful replies. I do have the KXV3A (never used
it yet) in this K3, subreceiver too. I've considered the LP-Pan which
looks really nice and I have the LP-100A and it's stellar so I know
the LP-Pan will be as effective but can't afford to go the LP-Pan
route or the P3 either.

I just had read a little about the CW Skimmer and was curious as to
how it would be of interest to me if I tried it, it seemed like all
that was needed for it was to work was a soundcard and all would hook
up readily  the monitor would show the information. I didn't realize
all the extra accouterments needed to make it useful; I've never seen
it in operation and don't know anyone using it to go  have a look
see.

Think I'm going back to my rock  wait for some Dx to fly by for
supper.

Gary
KA1J


Just to clarify, the +/- 12KHz limitation when using CW SKimmer in IF
Mode is a function of the software itself imposed by the author of
that application for reasons that have never been clear to me. CW
Skimmer will work over wider ranges when separately used with hardware
like the SDR-IQ or QS1-R, but then again the K3 isn't needed in those
cases anyway.

Other SDR software like NaP3 will give a full range (limited by
whatever the sound card is capable of) display even when used with the
K3 IF output (plus the requisite SDR hardware like the Softrock or
LP-Pan or SDR-IQ or QS1-R or whatever), but of course won't have the
on-screen callsign/CW decoding that CW Skimmer does.  And as someone
recently pointed out, you do need the KXV3A option installed in your
K3 to get the IF out of the K3 in the first place.

73,
Dave   AB7E



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Re: [Elecraft] CW Skimmer K3

[David Gilbert]

CW Skimmer is indeed a pretty cool piece of software, but it doesn't 
work like that.  Unless you also have some sort of SDR front end, all 
you'll be able to get with CW Skimmer is a display of the audio 
passband.  For a display of stations outside that passband you need an 
additional piece of hardware that takes the IF out from the K3 and 
processes it so that it can be handled by your sound card and CW 
Skimmer.  Even then, CW Skimmer has a limitation in IF mode that 
restricts what you see to something like +/- 12 KHz.


Even if you decide to go with something else, there's a lot of good 
information on the LP-Pan website.


Dave   AB7E


On 11/27/2012 10:19 PM, Gary Smith wrote:

I'm always curious to try a new software  I thought CW skimmer looks
interesting. I'm wondering if anyone here is using it with their K3
and if so, what did you find was the best way to connect it to the
K3?

I have both the internal Realtek soundcard built into the PC
motherboard and I have a E-MU USB soundcard which has XLR  1/4
inputs for left  right. There's optical  S/PDIF inputs as well but
the K3 doesn't have those outputs.

Thanks,

Gary
KA1J
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Re: [Elecraft] CW Skimmer K3

[Greg]

If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I believe.

Greg
 On Nov 27, 2012 9:33 PM, David Gilbert xda...@cis-broadband.com wrote:


 CW Skimmer is indeed a pretty cool piece of software, but it doesn't work
 like that.  Unless you also have some sort of SDR front end, all you'll be
 able to get with CW Skimmer is a display of the audio passband.  For a
 display of stations outside that passband you need an additional piece of
 hardware that takes the IF out from the K3 and processes it so that it can
 be handled by your sound card and CW Skimmer.  Even then, CW Skimmer has a
 limitation in IF mode that restricts what you see to something like +/-
 12 KHz.

 Even if you decide to go with something else, there's a lot of good
 information on the LP-Pan website.

 Dave   AB7E


 On 11/27/2012 10:19 PM, Gary Smith wrote:

 I'm always curious to try a new software  I thought CW skimmer looks
 interesting. I'm wondering if anyone here is using it with their K3
 and if so, what did you find was the best way to connect it to the
 K3?

 I have both the internal Realtek soundcard built into the PC
 motherboard and I have a E-MU USB soundcard which has XLR  1/4
 inputs for left  right. There's optical  S/PDIF inputs as well but
 the K3 doesn't have those outputs.

 Thanks,

 Gary
 KA1J
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Re: [Elecraft] CW Skimmer K3

[Gary Smith]

Ah, I'd never heard of sdr-iq but I just looked for info on it and 
for a $500 price tag, I'm not interested. The limitation of +/- 12 
KHz with an additional piece of hardware doesn't thrill me either. To 
just have the audio be worked with has for me no practical function 
so I won't bother. I've heard the K3 described as a SDR radio and 
thought the needed outputs would be readily available. Apples  
oranges I guess.

That's what I needed to know  thanks.

Now back to DX

Gary
KA1J

 If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I
 believe.
 
 Greg
  On Nov 27, 2012 9:33 PM, David Gilbert xda...@cis-broadband.com
  wrote:
 
 
  CW Skimmer is indeed a pretty cool piece of software, but it doesn't
  work like that.  Unless you also have some sort of SDR front end,
  all you'll be able to get with CW Skimmer is a display of the audio
  passband.  For a display of stations outside that passband you need
  an additional piece of hardware that takes the IF out from the K3
  and processes it so that it can be handled by your sound card and CW
  Skimmer.  Even then, CW Skimmer has a limitation in IF mode that
  restricts what you see to something like +/- 12 KHz.
 
  Even if you decide to go with something else, there's a lot of good
  information on the LP-Pan website.
 
  Dave   AB7E
 
 
  On 11/27/2012 10:19 PM, Gary Smith wrote:
 
  I'm always curious to try a new software  I thought CW skimmer
  looks interesting. I'm wondering if anyone here is using it with
  their K3 and if so, what did you find was the best way to connect
  it to the K3?
 
  I have both the internal Realtek soundcard built into the PC
  motherboard and I have a E-MU USB soundcard which has XLR  1/4
  inputs for left  right. There's optical  S/PDIF inputs as well
  but the K3 doesn't have those outputs.
 
  Thanks,
 
  Gary
  KA1J
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Re: [Elecraft] CW Skimmer K3

[David Gilbert]

Yes ... but then it isn't operating in IF Mode.  The difference is 
explained in the CW Skimmer documentation.


Plus, an SDR-IQ costs in the vicinity of $500 so it isn't at all like 
simply connecting the K3 to a soundcard.


Dave   AB7E


On 11/27/2012 10:38 PM, Greg wrote:


If you use an sdr-iq with the K3 CWS will decode up to 190 kHz I believe.

Greg

On Nov 27, 2012 9:33 PM, David Gilbert xda...@cis-broadband.com 
mailto:xda...@cis-broadband.com wrote:



CW Skimmer is indeed a pretty cool piece of software, but it
doesn't work like that.  Unless you also have some sort of SDR
front end, all you'll be able to get with CW Skimmer is a display
of the audio passband.  For a display of stations outside that
passband you need an additional piece of hardware that takes the
IF out from the K3 and processes it so that it can be handled by
your sound card and CW Skimmer.  Even then, CW Skimmer has a
limitation in IF mode that restricts what you see to something
like +/- 12 KHz.

Even if you decide to go with something else, there's a lot of
good information on the LP-Pan website.

Dave   AB7E


On 11/27/2012 10:19 PM, Gary Smith wrote:

I'm always curious to try a new software  I thought CW
skimmer looks
interesting. I'm wondering if anyone here is using it with
their K3
and if so, what did you find was the best way to connect it to the
K3?

I have both the internal Realtek soundcard built into the PC
motherboard and I have a E-MU USB soundcard which has XLR  1/4
inputs for left  right. There's optical  S/PDIF inputs as
well but
the K3 doesn't have those outputs.

Thanks,

Gary
KA1J
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Re: [Elecraft] CW Skimmer

[N8LP]

Try using TRX-Synchro, along with a virtual pair from Eterlogic VSPE. For
instance...

Set TRX1 as K3 on real COM1
Create a virtual pair as COM2  COM3
Set TRX2 as K3 on COM2
Set CW Skimmer for K3 on COM3
Turn on TRX-Synchro

Any change on the K3 will control TRX-Manager and CW Skimmer. Any change in
TRX will control the K3 and CW Skimmer. Any change is CW Skimmer will
control the K3 and TRX.

73,
Larry N8LP


  
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