Re: [Elecraft] Need local help

2015-06-10 Thread Joe Subich, W4TV


The cards I listed yesterday have both mic and line level inputs
(separate jacks) one or the other will be a reasonable match for
the headphone output.

As far as driving the mic input of the KX3 with line (speaker) output,
simply put a 10:1 (20 dB) attenuator in the cable to the mic input.
Typically one would connect a 1 uF cap to the tip of the speaker jack,
a 10K resistor from the cap to another 1 uF cap to the mic input of
the KX3 and a 1K resistor from the junction of the 10K resistor/output
1uF cap to the shield/return (from sleeve of the speaker jack to mic
return of the K3).  Note: the 1uF caps are simply there to block DC
on the sound card output (may not be necessary) and block the bias on
the KX3 mic line (if the KX3 is configured for use with an electret
mic).

If the drive is still excessive, change the 1K resistor to 470 Ohms
(22:1 or -26 dB).

73,

   ... Joe, W4TV


On 2015-06-10 12:02 PM, Mark Tannert wrote:

It would seem that all these line level input/output sound cards would have
some difficulty working with the KX3, which uses mic level input and
headphone level output.

Kindly correct me if I'm wrong.

Cheers, Mark/WN8U
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Re: [Elecraft] Need local help

2015-06-10 Thread Mark Tannert
It would seem that all these line level input/output sound cards would have
some difficulty working with the KX3, which uses mic level input and
headphone level output.

Kindly correct me if I'm wrong.

Cheers, Mark/WN8U
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[Elecraft] Need local help

2015-06-09 Thread Michael Rudolph
I thank everyone who responded.  I will experiment with all of the ideas
submitted.

 

73,

Michael N3IRT

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Re: [Elecraft] Need local help

2015-06-09 Thread aj4tf
If you're talking about the Winbook TW700, it does indeed have a mic input. 
The audio jack is a 4-pin TRRS (tip-ring-ring-sleeve) with the same pinout
as an iPad.   I built a home brew cable set and interface and successfully
made contacts using the Winbook,  FLDIGI, and my K2.  

de AJ4TF





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Re: [Elecraft] Need local help

2015-06-09 Thread Ross Primrose
Just make sure you get one that can handle line level inputs, or you'll 
have to build an attenuator


73, Ross N4RP

On 6/9/2015 5:45 PM, Joe Subich, W4TV wrote:


In addition to the sound cards recommended in the K9YC document,
these have been reported to be solid performing cards:
  http://www.newegg.com/Product/Product.aspx?Item=N82E16829128010 ($36)
  http://www.newegg.com/Product/Product.aspx?Item=N82E16829126101 ($18)
  http://www.newegg.com/Product/Product.aspx?Item=N82E16829126101 ($40)

That list is not exhaustive - it does not include many of the <$100
cards being recommended for SDR use or many of the <$10 "dongles" that
work exceedingly well for simple audio I/O purposes.

73,

   ... Joe, W4TV


On 2015-06-09 5:16 PM, David Ahrendts wrote:
Gentlemen, suggest some alternatives to the SignalLink USB for 
digital. Would like to research.


David A., KC0XT


On Jun 9, 2015, at 2:10 PM, Joe Subich, W4TV  wrote:



I think there is one point that is overlooked in a lot of these
discussions. It really doesn't take much of a sound card to do
digital signal processing on 3 KHz or less audio streram.


There are a significant number of reports concerning the issues with
Signalink on-line if one bothers to look.  In general they relate to
improper filtering of the USB +5V power, lack of a regulator for the
V/2 reference to the sound codec (analog to digital converter), lack
of proper bypassing of noise from the various chips, requirement that
the digital to analog converter be run at too high a level in order
for the "VOX" to trigger reliably, etc.

In general, this means Signalink loses 15 dB or more of signal to
noise ratio (which is a big deal with modes like JT65 and JT9 on HF)
on the receive side and is much more "dirty" (often with multiple
audio signals) on transmit.

You're correct that it does not take much of a sound card to decode
some signals.  However, the Signalink "sound card" contains most of
the same components as the generic USB sound products that perform
much better - yet Signalink costs two to three times as much.

73,

   ... Joe, W4TV


On 2015-06-09 3:59 PM, Barry LaZar wrote:

Joe,
 You bring an interesting point of view. I've been using a 
SignaLink

USB for at least 3-4 years. I haven't had an issue with it except not
enough time to play. And, I can't blame the manufacturer for that.

 I think there is one point that is overlooked in a lot of these
discussions. It really doesn't take much of a sound card to do digital
signal processing on 3 KHz or less audio streram. However, I would 
never

use a card in my laptop or my I/F for some of the heavier lifting here
in my shack where I need 96KHz sample rates or better with 24 bit
digitizing. But for just hook it up, set the levels and go, an 
interface
with a built in sound card is not a bad way to go. In many cases, 
it is

just easier to do and it allows for more flexibility.

73,
Barry
K3NDM

On 6/9/2015 3:11 PM, Joe Subich, W4TV wrote:


On 2015-06-09 12:02 PM, Bob N3MNT wrote:

OP said computer did not have an audio input.


He's still better off with an external USB sound card of reasonable
quality and a pair of audio cables than using the Tigertronix product
of dubious quality and well documented poor design.  A simple USB 
sound
card of reasonable quality will cost 1/3 to 1/2 as much as the 
inferior

"amateur" product.

73,

   ... Joe, W4TV
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tra

Re: [Elecraft] Need local help

2015-06-09 Thread Joe Subich, W4TV


In addition to the sound cards recommended in the K9YC document,
these have been reported to be solid performing cards:
  http://www.newegg.com/Product/Product.aspx?Item=N82E16829128010 ($36)
  http://www.newegg.com/Product/Product.aspx?Item=N82E16829126101 ($18)
  http://www.newegg.com/Product/Product.aspx?Item=N82E16829126101 ($40)

That list is not exhaustive - it does not include many of the <$100
cards being recommended for SDR use or many of the <$10 "dongles" that
work exceedingly well for simple audio I/O purposes.

73,

   ... Joe, W4TV


On 2015-06-09 5:16 PM, David Ahrendts wrote:

Gentlemen, suggest some alternatives to the SignalLink USB for digital. Would 
like to research.

David A., KC0XT


On Jun 9, 2015, at 2:10 PM, Joe Subich, W4TV  wrote:



I think there is one point that is overlooked in a lot of these
discussions. It really doesn't take much of a sound card to do
digital signal processing on 3 KHz or less audio streram.


There are a significant number of reports concerning the issues with
Signalink on-line if one bothers to look.  In general they relate to
improper filtering of the USB +5V power, lack of a regulator for the
V/2 reference to the sound codec (analog to digital converter), lack
of proper bypassing of noise from the various chips, requirement that
the digital to analog converter be run at too high a level in order
for the "VOX" to trigger reliably, etc.

In general, this means Signalink loses 15 dB or more of signal to
noise ratio (which is a big deal with modes like JT65 and JT9 on HF)
on the receive side and is much more "dirty" (often with multiple
audio signals) on transmit.

You're correct that it does not take much of a sound card to decode
some signals.  However, the Signalink "sound card" contains most of
the same components as the generic USB sound products that perform
much better - yet Signalink costs two to three times as much.

73,

   ... Joe, W4TV


On 2015-06-09 3:59 PM, Barry LaZar wrote:

Joe,
 You bring an interesting point of view. I've been using a SignaLink
USB for at least 3-4 years. I haven't had an issue with it except not
enough time to play. And, I can't blame the manufacturer for that.

 I think there is one point that is overlooked in a lot of these
discussions. It really doesn't take much of a sound card to do digital
signal processing on 3 KHz or less audio streram. However, I would never
use a card in my laptop or my I/F for some of the heavier lifting here
in my shack where I need 96KHz sample rates or better with 24 bit
digitizing. But for just hook it up, set the levels and go, an interface
with a built in sound card is not a bad way to go. In many cases, it is
just easier to do and it allows for more flexibility.

73,
Barry
K3NDM

On 6/9/2015 3:11 PM, Joe Subich, W4TV wrote:


On 2015-06-09 12:02 PM, Bob N3MNT wrote:

OP said computer did not have an audio input.


He's still better off with an external USB sound card of reasonable
quality and a pair of audio cables than using the Tigertronix product
of dubious quality and well documented poor design.  A simple USB sound
card of reasonable quality will cost 1/3 to 1/2 as much as the inferior
"amateur" product.

73,

   ... Joe, W4TV
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Re: [Elecraft] Need local help

2015-06-09 Thread Ray Sills
Well, there is the iMic for one.  $30.  A good semi-pro audio  
interface would be priced at at least $150.  The Focusrite Scarlett  
2i2, would be a good example.  Then, if you want to "go-pro"... there  
are interfaces like the Universal Audio Apollo Twin DUO, for $900..  
(which is cheap, compared to the RME Fireface 802 USB / Firewire Audio  
Interface, at $1700.


There are more expensive interfaces and better interfaces, but most of  
them do not use USB for connecting to the computer.


73 de Ray
K2ULR
KX3 #211

On Jun 9, 2015, at 5:16 PM, David Ahrendts wrote:

Gentlemen, suggest some alternatives to the SignalLink USB for  
digital. Would like to research.


David A., KC0XT


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Re: [Elecraft] Need local help

2015-06-09 Thread Richard Gillingham
I got the Numark STEREO iO Analog-To-Digital DJ Interface instead of the Signal 
Link…  Half the price and works well.

73

Gil, W1RG






From: Walter Underwood
Sent: ‎Tuesday‎, ‎June‎ ‎9‎, ‎2015 ‎5‎:‎20‎ ‎PM
To: elecraft@mailman.qth.net





Please read this well-researched document. It has already been recommended in 
this string.

http://audiosystemsgroup.com/USB_Interfaces.pdf

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/ (my blog)

On Jun 9, 2015, at 2:16 PM, David Ahrendts  wrote:

> Gentlemen, suggest some alternatives to the SignalLink USB for digital. Would 
> like to research.
> 
> David A., KC0XT
> 
>> On Jun 9, 2015, at 2:10 PM, Joe Subich, W4TV  wrote:
>> 
>> 
>>> I think there is one point that is overlooked in a lot of these
>>> discussions. It really doesn't take much of a sound card to do
>>> digital signal processing on 3 KHz or less audio streram.
>> 
>> There are a significant number of reports concerning the issues with
>> Signalink on-line if one bothers to look.  In general they relate to
>> improper filtering of the USB +5V power, lack of a regulator for the
>> V/2 reference to the sound codec (analog to digital converter), lack
>> of proper bypassing of noise from the various chips, requirement that
>> the digital to analog converter be run at too high a level in order
>> for the "VOX" to trigger reliably, etc.
>> 
>> In general, this means Signalink loses 15 dB or more of signal to
>> noise ratio (which is a big deal with modes like JT65 and JT9 on HF)
>> on the receive side and is much more "dirty" (often with multiple
>> audio signals) on transmit.
>> 
>> You're correct that it does not take much of a sound card to decode
>> some signals.  However, the Signalink "sound card" contains most of
>> the same components as the generic USB sound products that perform
>> much better - yet Signalink costs two to three times as much.
>> 
>> 73,
>> 
>>  ... Joe, W4TV
>> 
>> 
>> On 2015-06-09 3:59 PM, Barry LaZar wrote:
>>> Joe,
>>>You bring an interesting point of view. I've been using a SignaLink
>>> USB for at least 3-4 years. I haven't had an issue with it except not
>>> enough time to play. And, I can't blame the manufacturer for that.
>>> 
>>>I think there is one point that is overlooked in a lot of these
>>> discussions. It really doesn't take much of a sound card to do digital
>>> signal processing on 3 KHz or less audio streram. However, I would never
>>> use a card in my laptop or my I/F for some of the heavier lifting here
>>> in my shack where I need 96KHz sample rates or better with 24 bit
>>> digitizing. But for just hook it up, set the levels and go, an interface
>>> with a built in sound card is not a bad way to go. In many cases, it is
>>> just easier to do and it allows for more flexibility.
>>> 
>>> 73,
>>> Barry
>>> K3NDM
>>> 
>>> On 6/9/2015 3:11 PM, Joe Subich, W4TV wrote:
 
 On 2015-06-09 12:02 PM, Bob N3MNT wrote:
> OP said computer did not have an audio input.
 
 He's still better off with an external USB sound card of reasonable
 quality and a pair of audio cables than using the Tigertronix product
 of dubious quality and well documented poor design.  A simple USB sound
 card of reasonable quality will cost 1/3 to 1/2 as much as the inferior
 "amateur" product.
 
 73,
 
  ... Joe, W4TV
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> 
> 
> 
> David Ahrendts   davidahren...@me.com   
> 
> 
> 
> 
> __
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Re: [Elecraft] Need local help

2015-06-09 Thread Walter Underwood
Please read this well-researched document. It has already been recommended in 
this string.

http://audiosystemsgroup.com/USB_Interfaces.pdf

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/ (my blog)

On Jun 9, 2015, at 2:16 PM, David Ahrendts  wrote:

> Gentlemen, suggest some alternatives to the SignalLink USB for digital. Would 
> like to research.
> 
> David A., KC0XT
> 
>> On Jun 9, 2015, at 2:10 PM, Joe Subich, W4TV  wrote:
>> 
>> 
>>> I think there is one point that is overlooked in a lot of these
>>> discussions. It really doesn't take much of a sound card to do
>>> digital signal processing on 3 KHz or less audio streram.
>> 
>> There are a significant number of reports concerning the issues with
>> Signalink on-line if one bothers to look.  In general they relate to
>> improper filtering of the USB +5V power, lack of a regulator for the
>> V/2 reference to the sound codec (analog to digital converter), lack
>> of proper bypassing of noise from the various chips, requirement that
>> the digital to analog converter be run at too high a level in order
>> for the "VOX" to trigger reliably, etc.
>> 
>> In general, this means Signalink loses 15 dB or more of signal to
>> noise ratio (which is a big deal with modes like JT65 and JT9 on HF)
>> on the receive side and is much more "dirty" (often with multiple
>> audio signals) on transmit.
>> 
>> You're correct that it does not take much of a sound card to decode
>> some signals.  However, the Signalink "sound card" contains most of
>> the same components as the generic USB sound products that perform
>> much better - yet Signalink costs two to three times as much.
>> 
>> 73,
>> 
>>  ... Joe, W4TV
>> 
>> 
>> On 2015-06-09 3:59 PM, Barry LaZar wrote:
>>> Joe,
>>>You bring an interesting point of view. I've been using a SignaLink
>>> USB for at least 3-4 years. I haven't had an issue with it except not
>>> enough time to play. And, I can't blame the manufacturer for that.
>>> 
>>>I think there is one point that is overlooked in a lot of these
>>> discussions. It really doesn't take much of a sound card to do digital
>>> signal processing on 3 KHz or less audio streram. However, I would never
>>> use a card in my laptop or my I/F for some of the heavier lifting here
>>> in my shack where I need 96KHz sample rates or better with 24 bit
>>> digitizing. But for just hook it up, set the levels and go, an interface
>>> with a built in sound card is not a bad way to go. In many cases, it is
>>> just easier to do and it allows for more flexibility.
>>> 
>>> 73,
>>> Barry
>>> K3NDM
>>> 
>>> On 6/9/2015 3:11 PM, Joe Subich, W4TV wrote:
 
 On 2015-06-09 12:02 PM, Bob N3MNT wrote:
> OP said computer did not have an audio input.
 
 He's still better off with an external USB sound card of reasonable
 quality and a pair of audio cables than using the Tigertronix product
 of dubious quality and well documented poor design.  A simple USB sound
 card of reasonable quality will cost 1/3 to 1/2 as much as the inferior
 "amateur" product.
 
 73,
 
  ... Joe, W4TV
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>>> 
>>> __
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>>> 
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> 
> 
> 
> 
> David Ahrendts   davidahren...@me.com   
> 
> 
> 
> 
> __
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Re: [Elecraft] Need local help

2015-06-09 Thread David Ahrendts
Gentlemen, suggest some alternatives to the SignalLink USB for digital. Would 
like to research.

David A., KC0XT

> On Jun 9, 2015, at 2:10 PM, Joe Subich, W4TV  wrote:
> 
> 
>> I think there is one point that is overlooked in a lot of these
>> discussions. It really doesn't take much of a sound card to do
>> digital signal processing on 3 KHz or less audio streram.
> 
> There are a significant number of reports concerning the issues with
> Signalink on-line if one bothers to look.  In general they relate to
> improper filtering of the USB +5V power, lack of a regulator for the
> V/2 reference to the sound codec (analog to digital converter), lack
> of proper bypassing of noise from the various chips, requirement that
> the digital to analog converter be run at too high a level in order
> for the "VOX" to trigger reliably, etc.
> 
> In general, this means Signalink loses 15 dB or more of signal to
> noise ratio (which is a big deal with modes like JT65 and JT9 on HF)
> on the receive side and is much more "dirty" (often with multiple
> audio signals) on transmit.
> 
> You're correct that it does not take much of a sound card to decode
> some signals.  However, the Signalink "sound card" contains most of
> the same components as the generic USB sound products that perform
> much better - yet Signalink costs two to three times as much.
> 
> 73,
> 
>   ... Joe, W4TV
> 
> 
> On 2015-06-09 3:59 PM, Barry LaZar wrote:
>> Joe,
>> You bring an interesting point of view. I've been using a SignaLink
>> USB for at least 3-4 years. I haven't had an issue with it except not
>> enough time to play. And, I can't blame the manufacturer for that.
>> 
>> I think there is one point that is overlooked in a lot of these
>> discussions. It really doesn't take much of a sound card to do digital
>> signal processing on 3 KHz or less audio streram. However, I would never
>> use a card in my laptop or my I/F for some of the heavier lifting here
>> in my shack where I need 96KHz sample rates or better with 24 bit
>> digitizing. But for just hook it up, set the levels and go, an interface
>> with a built in sound card is not a bad way to go. In many cases, it is
>> just easier to do and it allows for more flexibility.
>> 
>> 73,
>> Barry
>> K3NDM
>> 
>> On 6/9/2015 3:11 PM, Joe Subich, W4TV wrote:
>>> 
>>> On 2015-06-09 12:02 PM, Bob N3MNT wrote:
 OP said computer did not have an audio input.
>>> 
>>> He's still better off with an external USB sound card of reasonable
>>> quality and a pair of audio cables than using the Tigertronix product
>>> of dubious quality and well documented poor design.  A simple USB sound
>>> card of reasonable quality will cost 1/3 to 1/2 as much as the inferior
>>> "amateur" product.
>>> 
>>> 73,
>>> 
>>>   ... Joe, W4TV
>>> __
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>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>> 
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Re: [Elecraft] Need local help

2015-06-09 Thread Joe Subich, W4TV



I think there is one point that is overlooked in a lot of these
discussions. It really doesn't take much of a sound card to do
digital signal processing on 3 KHz or less audio streram.


There are a significant number of reports concerning the issues with
Signalink on-line if one bothers to look.  In general they relate to
improper filtering of the USB +5V power, lack of a regulator for the
V/2 reference to the sound codec (analog to digital converter), lack
of proper bypassing of noise from the various chips, requirement that
the digital to analog converter be run at too high a level in order
for the "VOX" to trigger reliably, etc.

In general, this means Signalink loses 15 dB or more of signal to
noise ratio (which is a big deal with modes like JT65 and JT9 on HF)
on the receive side and is much more "dirty" (often with multiple
audio signals) on transmit.

You're correct that it does not take much of a sound card to decode
some signals.  However, the Signalink "sound card" contains most of
the same components as the generic USB sound products that perform
much better - yet Signalink costs two to three times as much.

73,

   ... Joe, W4TV


On 2015-06-09 3:59 PM, Barry LaZar wrote:

Joe,
 You bring an interesting point of view. I've been using a SignaLink
USB for at least 3-4 years. I haven't had an issue with it except not
enough time to play. And, I can't blame the manufacturer for that.

 I think there is one point that is overlooked in a lot of these
discussions. It really doesn't take much of a sound card to do digital
signal processing on 3 KHz or less audio streram. However, I would never
use a card in my laptop or my I/F for some of the heavier lifting here
in my shack where I need 96KHz sample rates or better with 24 bit
digitizing. But for just hook it up, set the levels and go, an interface
with a built in sound card is not a bad way to go. In many cases, it is
just easier to do and it allows for more flexibility.

73,
Barry
K3NDM

On 6/9/2015 3:11 PM, Joe Subich, W4TV wrote:


On 2015-06-09 12:02 PM, Bob N3MNT wrote:

OP said computer did not have an audio input.


He's still better off with an external USB sound card of reasonable
quality and a pair of audio cables than using the Tigertronix product
of dubious quality and well documented poor design.  A simple USB sound
card of reasonable quality will cost 1/3 to 1/2 as much as the inferior
"amateur" product.

73,

   ... Joe, W4TV
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Re: [Elecraft] Need local help

2015-06-09 Thread Bill Frantz
I have used three interfaces for digital. Note that my MacBook 
Pro can't listen and talk over its audio connector at the same time.


The first interface I used was a SignaLink. It was easy to set 
up. It works with the stock drivers on both MacOS and Linux. 
Making cables for it was easy. It has an internal VOX so you can 
key the transmitter without turning the radio's VOX on. (Both 
the K3 and the KX3 have only one VOX setting for both voice 
modes and digital. I use push-to-talk for voice modes so random 
shack noise doesn't trigger the transmitter. Remembering to 
switch it on and off is a PITA since I sometimes change modes 
several times in an evening.)


I have a Tascam US-122 mkII interface. It does the best job. 
With the SignaLink I had to compromise between enough 
sensitivity for weak PSK stations and enough head room for the 
strong ones. I was always riding the RF volume control. The 
Tascam has enough dynamic range. However, it requires a special 
driver, so I can't use it on my Linux box. Works fine with MacOS 
and will be the interface I use for field day this year.


I have a $3-$5 interface that I added to an Amazon order on 
impulse. I have never gotten it to work well with the KX3. I 
think I need to build an attenuator. It works with the stock 
drivers on MacOS and Linux.


On 6/9/15 at 8:47 AM, wun...@wunderwood.org (Walter Underwood) wrote:


Any old $20 USB audio dongle will probably do just as well as the Tigertronics.


---
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Re: [Elecraft] Need local help

2015-06-09 Thread Don Wilhelm
Yes, the SignaLink is 'adequate', but if you care to reduce the received 
noise floor and copy weaker digital signals, you will want something better.


Many of the software digital mode applications provide a means to 
control transmit by means of a control command to the transceiver.
That eliminates the need for a hardwired PTT connection.  VOX is not 
difficult to set up for data modes because the audio stream is a steady 
level and not contaminated with room noise like you would find with 
using a microphone for voice modes.
The SignaLink uses 'sort of' a simple VOX circuit to produce its PTT 
output, so why not just use the transceiver VOX instead, it is there in 
the KX3.


While many use the SignaLink for digital modes, all I can say is that 
"it works".  A USB external soundcard works much better and for only 
about half the cost.
Of course, you will be using only the left channel of the soundcard, but 
that soundcard can be used for other purposes.  The SignaLink has only 
one channel, and cannot be used as a normal soundcard with stereo channels.


On 6/9/2015 3:43 PM, Barry LaZar wrote:

Jim,
 The SignaLink sound card is quite adequate for running digital 
modes on HF, and it appears to be better than the one in my Toshiba 
Satellite laptop. However, I do use a professional level USB card for 
my panadapter which is far more demanding. And, PTT is less clunky if 
you're not knowledgeable enough  to set VOX properly.




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Re: [Elecraft] Need local help

2015-06-09 Thread Barry LaZar

Joe,
You bring an interesting point of view. I've been using a SignaLink 
USB for at least 3-4 years. I haven't had an issue with it except not 
enough time to play. And, I can't blame the manufacturer for that.


I think there is one point that is overlooked in a lot of these 
discussions. It really doesn't take much of a sound card to do digital 
signal processing on 3 KHz or less audio streram. However, I would never 
use a card in my laptop or my I/F for some of the heavier lifting here 
in my shack where I need 96KHz sample rates or better with 24 bit 
digitizing. But for just hook it up, set the levels and go, an interface 
with a built in sound card is not a bad way to go. In many cases, it is 
just easier to do and it allows for more flexibility.


73,
Barry
K3NDM

On 6/9/2015 3:11 PM, Joe Subich, W4TV wrote:


On 2015-06-09 12:02 PM, Bob N3MNT wrote:

OP said computer did not have an audio input.


He's still better off with an external USB sound card of reasonable
quality and a pair of audio cables than using the Tigertronix product
of dubious quality and well documented poor design.  A simple USB sound
card of reasonable quality will cost 1/3 to 1/2 as much as the inferior
"amateur" product.

73,

   ... Joe, W4TV
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Re: [Elecraft] Need local help

2015-06-09 Thread Barry LaZar

Jim,
 The SignaLink sound card is quite adequate for running digital 
modes on HF, and it appears to be better than the one in my Toshiba 
Satellite laptop. However, I do use a professional level USB card for my 
panadapter which is far more demanding. And, PTT is less clunky if 
you're not knowledgeable enough  to set VOX properly.


There are some secondary, subtle, issues with running using the 
built in software for RTTY, CW, and PSK on the KX3. Those are you can't 
run the other modes should you desire and you can't see multiple streams 
of data simultaneously which is very useful if you looking for picking 
up awards.


Using an external sound card frees up your computer sound card for 
other things while you demod/decode digital signals. For the cost of a 
SignaLink USB, or equivalent for about $100, you open up a layer or two 
of additional flexibility. My interface is permanently in my KX3 audio 
line with my amplified speakers coming off the Aux. on the back of the 
I/F. I can switch modes by just invoking  data a mode on the KX3 and 
replacing my mic with the cable from my interface.


I interpret  what you are saying as being heavily biased toward 
operating on the digital modes. That's OK, but I use CW and phone as 
much if not more. So, I designed my station for ease of mode switching 
and maximum performance.


Vy 73,
Barry
K3NDM

On 6/9/2015 12:35 PM, Jim Brown wrote:

On Tue,6/9/2015 9:23 AM, Barry LaZar wrote:
The SignaLink not only has a built in sound card, but it also 
controls the radio's PTT function. Yes, you can use VOX, but this 
plays a little less clunky.


There is nothing "clunky" about using VOX for PTT. I've made many 
thousands of digital contacts, and I've used nothing but VOX.


The SignaLink is NOT a good sound card. See the link posted by others 
to my website for GOOD sound cards.


73, Jim K9YC
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Re: [Elecraft] Need local help

2015-06-09 Thread Joe Subich, W4TV


On 2015-06-09 12:02 PM, Bob N3MNT wrote:

OP said computer did not have an audio input.


He's still better off with an external USB sound card of reasonable
quality and a pair of audio cables than using the Tigertronix product
of dubious quality and well documented poor design.  A simple USB sound
card of reasonable quality will cost 1/3 to 1/2 as much as the inferior
"amateur" product.

73,

   ... Joe, W4TV
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Re: [Elecraft] Need local help

2015-06-09 Thread Jim Brown

On Tue,6/9/2015 9:23 AM, Barry LaZar wrote:
The SignaLink not only has a built in sound card, but it also controls 
the radio's PTT function. Yes, you can use VOX, but this plays a 
little less clunky.


There is nothing "clunky" about using VOX for PTT. I've made many 
thousands of digital contacts, and I've used nothing but VOX.


The SignaLink is NOT a good sound card. See the link posted by others to 
my website for GOOD sound cards.


73, Jim K9YC
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Re: [Elecraft] Need local help

2015-06-09 Thread Barry LaZar

Walter,
 The SignaLink not only has a built in sound card, but it also 
controls the radio's PTT function. Yes, you can use VOX, but this plays 
a little less clunky. You can also use the KX3's built in abilities, but 
using an external interface with multimode  software, allows for greater 
flexibility.


73,
Barry
K3NDM



On 6/9/2015 10:40 AM, Walter Underwood wrote:

You do not need an interface. If you do want outboard USB audio, you can do a 
lot better than Tigertronics for less money. But for most uses, the audio built 
into the computer is just fine.

More detail here:

http://audiosystemsgroup.com/USB_Interfaces.pdf

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/ (my blog)

On Jun 9, 2015, at 6:52 AM, Bob N3MNT  wrote:


If you want to use a program on the computer you need to add an interface.  I
sue and recommend this a signalink   http://www.tigertronics.com/  The have
an interface cable for the KX3 that makes the operation seamless.



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Re: [Elecraft] Need local help

2015-06-09 Thread Jim Miller
http://audiosystemsgroup.com/USB_Interfaces.pdf

jim ab3cv

On Tue, Jun 9, 2015 at 12:02 PM, Bob N3MNT  wrote:

> OP said computer did not have an audio input.
>
>
>
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/Need-local-help-tp7603839p7603850.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
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Re: [Elecraft] Need local help

2015-06-09 Thread Bob N3MNT
OP said computer did not have an audio input.   



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Re: [Elecraft] Need local help

2015-06-09 Thread Ray Sills
ARGH!  I missed that, too.  Certainly, a simple USB audio dongle can  
be found on the big retail site, or the big auction site.


73 de Ray
K2ULR
KX3 #211

On Jun 9, 2015, at 11:47 AM, Walter Underwood wrote:

Oops, I missed that this computer doesn’t have a mic input (original  
post was not quoted).


Any old $20 USB audio dongle will probably do just as well as the  
Tigertronics.


wunder
K6WRU
CM87wj
http://observer.wunderwood.org/ (my blog)


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Re: [Elecraft] Need local help

2015-06-09 Thread Ray Sills
I'd have to agree.  The Tigertronics unit is a simple and easy way for  
older rigs to be able to operate in digital modes.  But the Elecraft  
K3 and KX3 have a state-of-the-art DSP architecture, and all you need  
to do is connect the proper cables between the rig and your computer.

Elecraft sells cables for the job.

73 de Ray
K2ULR
KX3 #211

On Jun 9, 2015, at 10:40 AM, Walter Underwood wrote:

You do not need an interface. If you do want outboard USB audio, you  
can do a lot better than Tigertronics for less money. But for most  
uses, the audio built into the computer is just fine.


More detail here:

http://audiosystemsgroup.com/USB_Interfaces.pdf

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/ (my blog)


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Re: [Elecraft] Need local help

2015-06-09 Thread Walter Underwood
Oops, I missed that this computer doesn’t have a mic input (original post was 
not quoted).

Any old $20 USB audio dongle will probably do just as well as the Tigertronics. 

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/ (my blog)

On Jun 9, 2015, at 7:40 AM, Walter Underwood  wrote:

> You do not need an interface. If you do want outboard USB audio, you can do a 
> lot better than Tigertronics for less money. But for most uses, the audio 
> built into the computer is just fine.
> 
> More detail here:
> 
> http://audiosystemsgroup.com/USB_Interfaces.pdf
> 
> wunder
> K6WRU
> CM87wj
> http://observer.wunderwood.org/ (my blog)
> 
> On Jun 9, 2015, at 6:52 AM, Bob N3MNT  wrote:
> 
>> If you want to use a program on the computer you need to add an interface.  I
>> sue and recommend this a signalink   http://www.tigertronics.com/  The have
>> an interface cable for the KX3 that makes the operation seamless.
>> 
>> 
>> 
>> --
>> View this message in context: 
>> http://elecraft.365791.n2.nabble.com/Need-local-help-tp7603839p7603841.html
>> Sent from the Elecraft mailing list archive at Nabble.com.
>> __
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Re: [Elecraft] Need local help

2015-06-09 Thread Hank Garretson
On Tue, Jun 9, 2015 at 6:52 AM, Bob N3MNT  wrote:

If you want to use a program on the computer you need to add an interface.
> I
> use and recommend this a signalink   http://www.tigertronics.com/  The
> have
> an interface cable for the KX3 that makes the operation seamless.
>

You do not need an interface. All you need is audio cables between your
computer soundcard and rig.

http://audiosystemsgroup.com/HamInterfacing.pdf

Interfaces are sometimes plug and play and an easy solution. Other times
they are an exasperating pain to get working.

In any case I suggest trying the no-cost approach first. Audio cables are
all I've ever used.  Good for over 50,000 digital contacts since 2006.

73,

Hank, W6SX
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Re: [Elecraft] Need local help

2015-06-09 Thread Walter Underwood
You do not need an interface. If you do want outboard USB audio, you can do a 
lot better than Tigertronics for less money. But for most uses, the audio built 
into the computer is just fine.

More detail here:

http://audiosystemsgroup.com/USB_Interfaces.pdf

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/ (my blog)

On Jun 9, 2015, at 6:52 AM, Bob N3MNT  wrote:

> If you want to use a program on the computer you need to add an interface.  I
> sue and recommend this a signalink   http://www.tigertronics.com/  The have
> an interface cable for the KX3 that makes the operation seamless.
> 
> 
> 
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/Need-local-help-tp7603839p7603841.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Need local help

2015-06-09 Thread Bob N3MNT
Darn old brain  make that use not sue.




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Re: [Elecraft] Need local help

2015-06-09 Thread Bob N3MNT
If you want to use a program on the computer you need to add an interface.  I
sue and recommend this a signalink   http://www.tigertronics.com/  The have
an interface cable for the KX3 that makes the operation seamless.



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Re: [Elecraft] Need local help

2015-06-09 Thread kg9hfr...@gmail.com
Maybe via Skype anyone?
Frank KG9H

> On Jun 9, 2015, at 6:04 AM, Michael Rudolph  wrote:
> 
> David - I knew that the possibility existed, but believe that without a
> computer the incoming message simply scrolls and cannot be saved.  Anyway, I
> do not know how to set that up either.  I looked in the User's Guide and the
> Cady book, and did not find step-by-step instructions that I could follow.
> So here are my follow-up questions:
> 
> 1. Can you or someone provide me with the exact menu settings and procedure
> for decoding CW and PSK31 entirely from the KX3?
> 
> 2. I believe I still need local help where I can actually see someone
> operating in PSK31 using a computer and Ham Radio Deluxe, so is there anyone
> within 100 miles of Washington DC that can invite me?
> 
> 73,
> Michael N3IRT
> 
> -Original Message-
> From: David Pratt [mailto:da...@g4dmp.fsnet.co.uk] 
> Sent: Tuesday, June 09, 2015 5:08 AM
> To: Michael Rudolph; elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Need local help
> 
> Michael - You don't need a computer to send and decode PSK31 and CW. 
> Provision for decoding and sending PSK31 and CW are already built into the
> KX3 firmware. All you need to do is to plug a paddle into your KX3 and set
> up the menu accordingly and you're away.
> 
> 73 de David G4DMP
> 
> On 09/06/2015 04:59, Michael Rudolph wrote:
>> I live in the Washington DC area and am willing to drive  to anyone's
> location who can demonstrate how to hook up and use my KX3 for psk31 and CW.
>> 
>> I would like to use my WINBOOK tablet instead of a laptop if possible.  It
> has a USB port but no mic input.  I succeeded in connecting the KX3 to the
> tablet but that is as far as I have gotten except that I can send code via
> the utility program and decode CW (albeit very badly) via Ham Radio Deluxe.
> 
> --
>  - - - - - - - - - - - - - - - - -
> | David M Pratt, Kippax, Leeds, UK|
> | Website: http://www.g4dmp.co.uk |
>  - - - - - - - - - - - - - - - - -
> 
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Re: [Elecraft] Need local help

2015-06-09 Thread Michael Rudolph
David - I knew that the possibility existed, but believe that without a
computer the incoming message simply scrolls and cannot be saved.  Anyway, I
do not know how to set that up either.  I looked in the User's Guide and the
Cady book, and did not find step-by-step instructions that I could follow.
So here are my follow-up questions:

1. Can you or someone provide me with the exact menu settings and procedure
for decoding CW and PSK31 entirely from the KX3?

2. I believe I still need local help where I can actually see someone
operating in PSK31 using a computer and Ham Radio Deluxe, so is there anyone
within 100 miles of Washington DC that can invite me?

73,
Michael N3IRT

-Original Message-
From: David Pratt [mailto:da...@g4dmp.fsnet.co.uk] 
Sent: Tuesday, June 09, 2015 5:08 AM
To: Michael Rudolph; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Need local help

Michael - You don't need a computer to send and decode PSK31 and CW. 
Provision for decoding and sending PSK31 and CW are already built into the
KX3 firmware. All you need to do is to plug a paddle into your KX3 and set
up the menu accordingly and you're away.

73 de David G4DMP

On 09/06/2015 04:59, Michael Rudolph wrote:
> I live in the Washington DC area and am willing to drive  to anyone's
location who can demonstrate how to hook up and use my KX3 for psk31 and CW.
>
> I would like to use my WINBOOK tablet instead of a laptop if possible.  It
has a USB port but no mic input.  I succeeded in connecting the KX3 to the
tablet but that is as far as I have gotten except that I can send code via
the utility program and decode CW (albeit very badly) via Ham Radio Deluxe.

--
  - - - - - - - - - - - - - - - - -
| David M Pratt, Kippax, Leeds, UK|
| Website: http://www.g4dmp.co.uk |
  - - - - - - - - - - - - - - - - -

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Re: [Elecraft] Need local help

2015-06-09 Thread David Pratt
Michael - You don't need a computer to send and decode PSK31 and CW. 
Provision for decoding and sending PSK31 and CW are already built into 
the KX3 firmware. All you need to do is to plug a paddle into your KX3 
and set up the menu accordingly and you're away.


73 de David G4DMP

On 09/06/2015 04:59, Michael Rudolph wrote:

I live in the Washington DC area and am willing to drive  to anyone's location 
who can demonstrate how to hook up and use my KX3 for psk31 and CW.

I would like to use my WINBOOK tablet instead of a laptop if possible.  It has 
a USB port but no mic input.  I succeeded in connecting the KX3 to the tablet 
but that is as far as I have gotten except that I can send code via the utility 
program and decode CW (albeit very badly) via Ham Radio Deluxe.


--
 - - - - - - - - - - - - - - - - -
| David M Pratt, Kippax, Leeds, UK|
| Website: http://www.g4dmp.co.uk |
 - - - - - - - - - - - - - - - - -
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[Elecraft] Need local help

2015-06-08 Thread Michael Rudolph
I live in the Washington DC area and am willing to drive  to anyone's location 
who can demonstrate how to hook up and use my KX3 for psk31 and CW. 

I would like to use my WINBOOK tablet instead of a laptop if possible.  It has 
a USB port but no mic input.  I succeeded in connecting the KX3 to the tablet 
but that is as far as I have gotten except that I can send code via the utility 
program and decode CW (albeit very badly) via Ham Radio Deluxe.

Michael

Michael Rudolph
N3IRT
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