Re: [Elecraft] Best Mac to use with KX3

[Don Wilhelm]

Kiichiro-san,

John is correct.  Band boundaries are not field programmable.  You may 
have to ship the K3 to Watsonville, CA to have the 60 meter band limited 
to non-transmit.
There is a chance that it can be done by Elecraft's distributor in 
Japan, but I don't know that for certain.


Send email to supp...@elecraft.com for assistance.

If this is a K3 that you bought from another ham, I would net expect 60 
meters to be disabled unless that ham is also located in Japan.  That 
serial number indicates that it was produced before the introduction of 
the K3S.


73,
Don W3FPR

On 1/29/2019 4:18 PM, John Stengrevics wrote:

Kiichiro-san,

Please contact Elecraft support:  supp...@elecraft.com 


73,

John
WA1EAZ


On Jan 29, 2019, at 3:45 PM, Keith Onishi  wrote:

Hello,

I am Kiichiro Onishi, JH3SIF, having K3 with SN 07902.

I hoped my K3 had been shipped with 60m transmission disabled since my KX3 was 
shipped with 60m transmission disabled and your signed certification indicating 
the disablement.
As you may know, hams operating in JA are not allowed to transmit on 60m and 
all TX/TRX MUST not be capable to transmit on the band,
So, my K3 MUST have 60m transmission capability disabled so that I can have 
regal permission to operate my K3 in JA.
Can you help me to disable the 60m transmission?

73 de JH3SIF, Kiichiro


2019/01/28 2:08、Steve Grimaud (Gmail) mailto:steve.grim...@gmail.com>>のメール:

I'm trying to find a good new or used Macbook or Mac mini to begin using with 
my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB. What will I 
need to keep, drop or use in a different way to get a Mac unit working with my 
KX3? I'm especially interested in digital signals. Who here knows what works 
best.

73

Steve w3swg

--
Steve Grimaud
steve.grim...@gmail.com
240-753-5380

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Re: [Elecraft] Best Mac to use with KX3

[W2xj]

Any relatively current Mac can run Windows and Linux as virtual machines so the 
use of any software is possible. 

Sent from my iPad

> On Jan 29, 2019, at 1:22 PM, Robert Albano  wrote:
> 
> Hi
> 
> I have been on the air about a year.
> 
> I use a Mid 2014 Retina Mac Pro with High Sierra running WSJT-X, Aether for 
> logging, JT-Bridge to connect between Aether and WSJT-x. Sound card is 
> SignaLink.
> 
> https://www.aetherlog.com/
> 
> https://jt-bridge.eller.nu/
> 
> 
> Robert
> K7RNA
> __
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Re: [Elecraft] Best Mac to use with KX3

[Bill Frantz]

cocoaModem has Dual RTTY mode which decodes both the main and 
sub receivers. This mode is useful in a DX pileup. I'm planning 
on seeing how it works with RTTY contesting, where I complete a 
S QSO on the main receiver, while using the sub to find the 
next station.


The response of the crossed-loop tuning aid is better, making 
signal tuning easier. I think its decoding algorithms are 
better, but others may disagree.


The bigest problem with cocoaModem is that it was written by a 
signal processing genius, but the coding style drives most Mac 
programmers crazy. It also seeme to have some threading 
problems, but they don't occur often enough to be really painful.


73 Bill AE6JV

On 1/29/19 at 5:33 AM, grazi...@roccon.com (Graziano Roccon 
(IW2NOY)) wrote:



why use CocoaModem at any cost, when FL-Digi is more complete and runs fine on 
any Mac OS ?


---
Bill Frantz| Concurrency is hard. 12 out  | Periwinkle
(408)356-8506  | 10 programmers get it wrong. | 16345 
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www.pwpconsult.com |- Jeff Frantz | Los Gatos, 
CA 95032


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Re: [Elecraft] Best Mac to use with KX3

[Bill Frantz]

I am running Version 2.0 release 1.03. This is a version which 
has had the minimum level of upgrades to run on modern MacOSes. 
For example, RTTY mode doesn't work but Dual RTTY does. Since 
cocoaModem is an open source program, I have no problem sending 
you a copy to try.


73 Bill AE6JV

On 1/29/19 at 5:00 AM, peter.wol...@gmail.com (Peter Wollan) wrote:


CocoaModem fails for me under MacOS 10.14.2.  CocoaNEC runs fine.


---
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Re: [Elecraft] Best Mac to use with KX3

[jh3sif]

I am very sorry. I sent wrong message here. 

What I intended to send was;

***
Hi Steve,

I use Mid 2014 Macbook Pro, macOS High Sierra,  with my KX3 for FT8 operation. 
Some modes of Mac do not have Audio-in jack. So you may need an external USB 
audio device.
In between Mac and KX3 is Griffin’s iMic. I use VOX instead of PTT.

73 de JH3SIF, Keith
***


> 2019/01/30 6:18、John Stengrevics のメール:
> 
> Kiichiro-san,
> 
> Please contact Elecraft support:  supp...@elecraft.com
> 
> 73,
> 
> John
> WA1EAZ
> 
>> On Jan 29, 2019, at 3:45 PM, Keith Onishi  wrote:
>> 
>> Hello,
>> 
>> I am Kiichiro Onishi, JH3SIF, having K3 with SN 07902.
>> 
>> I hoped my K3 had been shipped with 60m transmission disabled since my KX3 
>> was shipped with 60m transmission disabled and your signed certification 
>> indicating the disablement.
>> As you may know, hams operating in JA are not allowed to transmit on 60m and 
>> all TX/TRX MUST not be capable to transmit on the band,
>> So, my K3 MUST have 60m transmission capability disabled so that I can have 
>> regal permission to operate my K3 in JA.
>> Can you help me to disable the 60m transmission?
>> 
>> 73 de JH3SIF, Kiichiro
>> 
>>> 2019/01/28 2:08、Steve Grimaud (Gmail) のメール:
>>> 
>>> I'm trying to find a good new or used Macbook or Mac mini to begin using 
>>> with my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB. What 
>>> will I need to keep, drop or use in a different way to get a Mac unit 
>>> working with my KX3? I'm especially interested in digital signals. Who here 
>>> knows what works best.
>>> 
>>> 73
>>> 
>>> Steve w3swg
>>> 
>>> -- 
>>> Steve Grimaud
>>> steve.grim...@gmail.com
>>> 240-753-5380
>>> 
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
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>>> Message delivered to jh3...@sumaq.jp
>> 
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Re: [Elecraft] Best Mac to use with KX3

[John Stengrevics]

Kiichiro-san,

Please contact Elecraft support:  supp...@elecraft.com 


73,

John
WA1EAZ

> On Jan 29, 2019, at 3:45 PM, Keith Onishi  wrote:
> 
> Hello,
> 
> I am Kiichiro Onishi, JH3SIF, having K3 with SN 07902.
> 
> I hoped my K3 had been shipped with 60m transmission disabled since my KX3 
> was shipped with 60m transmission disabled and your signed certification 
> indicating the disablement.
> As you may know, hams operating in JA are not allowed to transmit on 60m and 
> all TX/TRX MUST not be capable to transmit on the band,
> So, my K3 MUST have 60m transmission capability disabled so that I can have 
> regal permission to operate my K3 in JA.
> Can you help me to disable the 60m transmission?
> 
> 73 de JH3SIF, Kiichiro
> 
>> 2019/01/28 2:08、Steve Grimaud (Gmail) > >のメール:
>> 
>> I'm trying to find a good new or used Macbook or Mac mini to begin using 
>> with my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB. What 
>> will I need to keep, drop or use in a different way to get a Mac unit 
>> working with my KX3? I'm especially interested in digital signals. Who here 
>> knows what works best.
>> 
>> 73
>> 
>> Steve w3swg
>> 
>> -- 
>> Steve Grimaud
>> steve.grim...@gmail.com
>> 240-753-5380
>> 
>> __
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>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>> Message delivered to jh3...@sumaq.jp 
> 
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Re: [Elecraft] Best Mac to use with KX3

[Keith Onishi]

Hello,

I am Kiichiro Onishi, JH3SIF, having K3 with SN 07902.

I hoped my K3 had been shipped with 60m transmission disabled since my KX3 was 
shipped with 60m transmission disabled and your signed certification indicating 
the disablement.
As you may know, hams operating in JA are not allowed to transmit on 60m and 
all TX/TRX MUST not be capable to transmit on the band,
So, my K3 MUST have 60m transmission capability disabled so that I can have 
regal permission to operate my K3 in JA.
Can you help me to disable the 60m transmission?

73 de JH3SIF, Kiichiro

> 2019/01/28 2:08、Steve Grimaud (Gmail) のメール:
> 
> I'm trying to find a good new or used Macbook or Mac mini to begin using with 
> my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB. What will I 
> need to keep, drop or use in a different way to get a Mac unit working with 
> my KX3? I'm especially interested in digital signals. Who here knows what 
> works best.
> 
> 73
> 
> Steve w3swg
> 
> -- 
> Steve Grimaud
> steve.grim...@gmail.com
> 240-753-5380
> 
> __
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Re: [Elecraft] Best Mac to use with KX3

[Robert Albano]

Hi

I have been on the air about a year.

I use a Mid 2014 Retina Mac Pro with High Sierra running WSJT-X, Aether for 
logging, JT-Bridge to connect between Aether and WSJT-x. Sound card is 
SignaLink.

https://www.aetherlog.com/

https://jt-bridge.eller.nu/


Robert
K7RNA
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Re: [Elecraft] Best Mac to use with KX3

[Graziano Roccon (IW2NOY)]

Hello,

why use CocoaModem at any cost, when FL-Digi is more complete and runs 
fine on any Mac OS ?


73's de IW2NOY Graziano

PS
If looking also for a good logging program, MacloggerDX (payment) is 
probably the best, for free there is RUMLog that is a great alternative 
(very nice also)




Il 2019-01-29 14:00 Peter Wollan ha scritto:

CocoaModem fails for me under MacOS 10.14.2.  CocoaNEC runs fine.

   Peter W0LLN

On Tue, Jan 29, 2019 at 1:22 AM Bill Frantz  
wrote:



I am running cocoaModem successfully on MacOS 10.14.3.

73 Bill AE6JV

On 1/28/19 at 10:45 PM, elecraft@mailman.qth.net (Steve Lawrence
via Elecraft) wrote:

>If one wants to use cocoaModem for RTTY, PSK or the other modes
>it supports, note that it runs fine under Mac OS 10.12 and has
>been reported to run under Mac OS 10.13 (I personally haven't
>tried it.)
>
>cocoaModem is a 32 bit program and possibly won't run under OS
>10.14 and above that might require programs to be 64 bit. As of
>9-24-2018 see:
>
>>https://support.apple.com/en-us/HT208436 <
https://support.apple.com/en-us/HT208436>
>
>About this Mac > System Reports > Software > Applications will
>show which programs loaded on the machine are 64 bit compatible.
---
Bill Frantz| When all else fails: Voice   | Periwinkle
(408)356-8506  | and CW.  | 16345
Englewood Ave
www.pwpconsult.com |  | Los Gatos,
CA 95032

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Re: [Elecraft] Best Mac to use with KX3

[Peter Wollan]

CocoaModem fails for me under MacOS 10.14.2.  CocoaNEC runs fine.

   Peter W0LLN

On Tue, Jan 29, 2019 at 1:22 AM Bill Frantz  wrote:

> I am running cocoaModem successfully on MacOS 10.14.3.
>
> 73 Bill AE6JV
>
> On 1/28/19 at 10:45 PM, elecraft@mailman.qth.net (Steve Lawrence
> via Elecraft) wrote:
>
> >If one wants to use cocoaModem for RTTY, PSK or the other modes
> >it supports, note that it runs fine under Mac OS 10.12 and has
> >been reported to run under Mac OS 10.13 (I personally haven't
> >tried it.)
> >
> >cocoaModem is a 32 bit program and possibly won't run under OS
> >10.14 and above that might require programs to be 64 bit. As of
> >9-24-2018 see:
> >
> >>https://support.apple.com/en-us/HT208436 <
> https://support.apple.com/en-us/HT208436>
> >
> >About this Mac > System Reports > Software > Applications will
> >show which programs loaded on the machine are 64 bit compatible.
> ---
> Bill Frantz| When all else fails: Voice   | Periwinkle
> (408)356-8506  | and CW.  | 16345
> Englewood Ave
> www.pwpconsult.com |  | Los Gatos,
> CA 95032
>
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Re: [Elecraft] Best Mac to use with KX3

[Bill Frantz]

I am running cocoaModem successfully on MacOS 10.14.3.

73 Bill AE6JV

On 1/28/19 at 10:45 PM, elecraft@mailman.qth.net (Steve Lawrence 
via Elecraft) wrote:


If one wants to use cocoaModem for RTTY, PSK or the other modes 
it supports, note that it runs fine under Mac OS 10.12 and has 
been reported to run under Mac OS 10.13 (I personally haven't 
tried it.)


cocoaModem is a 32 bit program and possibly won't run under OS 
10.14 and above that might require programs to be 64 bit. As of 
9-24-2018 see:



https://support.apple.com/en-us/HT208436 



About this Mac > System Reports > Software > Applications will 
show which programs loaded on the machine are 64 bit compatible.

---
Bill Frantz| When all else fails: Voice   | Periwinkle
(408)356-8506  | and CW.  | 16345 
Englewood Ave
www.pwpconsult.com |  | Los Gatos, 
CA 95032


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Re: [Elecraft] Best Mac to use with KX3

[Steve Lawrence via Elecraft]

If one wants to use cocoaModem for RTTY, PSK or the other modes it supports, 
note that it runs fine under Mac OS 10.12 and has been reported to run under 
Mac OS 10.13 (I personally haven't tried it.)

cocoaModem is a 32 bit program and possibly won't run under OS 10.14 and above 
that might require programs to be 64 bit. As of 9-24-2018 see:

> https://support.apple.com/en-us/HT208436 
> 

About this Mac > System Reports > Software > Applications will show which 
programs loaded on the machine are 64 bit compatible.

The source code is available for cocoaModem but the developer hasn't supported 
the program in quite some time.

Macs as supplied with OS 10.14 and above could have a problem with cocoaModem - 
which is an excellent program for dual receive split RTTY operation.

So it's more than just which Mac to get, it's will the machine run the 
applications you want to run.

If anyone has run cocoaModem under 10.13 or 10.14 please report.

73 - Steve WB6RSE
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Re: [Elecraft] Best Mac to use with KX3

[Jack Brindle via Elecraft]

WSJT-X runs just fine on my 2010 Mac mini with a core-2 duo processor. Almost 
every Mac that runs an Intel processor has at least a Core-2 Duo (the exception 
being the very first Intel iMac that used a single core Core-2 processor).
I would not want to use a Mac with a sub 2 GHz processor - the low end MacBook 
Air and last generation low-end mini come to mind here. Everything else should 
be prime for a shack computer. 

If you plan on running VMware Fusion, Parallels or VirtualBox you want a 
powerful Mac with at least two cores, the more the better. Give the Mac at 
least one of those and Windows as many as you can. You don’t want to starve 
either OS since both are running simultaneously.
My choice at this time to replace my shack mini (which is constrained to El 
Capitan) will be a 6-Core i7 mini with 16GB or Ram (don’t scrimp here) and 1TB 
of flash disk. It will last a long time, so putting extra money into it up 
front is a good thing. If Apple were to release an 8-Core i9 version of the 
mini that would be my choice instead…
On the laptop side, my choice was a 15” MacBook Pro with 4-core i7, 16GB memory 
and 500GB flash. Again, don’t scrimp. If it follows the pattern of my last 
MacBook Pro, this baby will last me eight years or so (the old one, constrained 
to El Capitan is still in use as a server).

Basically, get as much horsepower as you can afford. That means lots of cores 
in the processor, lots of RAM, and a reasonable amount of flash. 256GB is a 
minimum here. Macs last a long time, so you are making an investment for the 
long term.

Good luck and enjoy your Mac!

Jack, W6FB


> On Jan 28, 2019, at 8:30 PM, Walter Underwood  wrote:
> 
> The only program that requires significant CPU is WSJT-X, for JT65 and FT8. 
> The fldigi program might needs more CPU for some modes, but I’ve never 
> noticed it. Macs usually have very high performance hardware for the year 
> when they are released. I would expect any Mac from the last five years or so 
> to work fine.
> 
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
> 
>> On Jan 28, 2019, at 4:59 AM, Dave Sublette  wrote:
>> 
>> I use a mac mini running Parallels and Windows 7/64bit. It works very
>> well.  I would think any .odel mac would do the job.
>> 
>> Dave,  K4TO
>> 
>> On Sun, Jan 27, 2019, 11:51 PM Don Wilhelm > 
>>> Steve,
>>> 
>>> The only software application specifically for the KX3 is KX3 Utility
>>> which takes very little of the computer resources.
>>> 
>>> Perhaps a better question is -- "What processing capability is required
>>> for the software applications that I want to run?"
>>> 
>>> That will determine how powerful a computer you will need - Mac or other
>>> OS.
>>> 
>>> 73,
>>> Don W3FPR
>>> 
>>> On 1/27/2019 12:08 PM, Steve Grimaud (Gmail) wrote:
 I'm trying to find a good new or used Macbook or Mac mini to begin using
 with my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB.
 What will I need to keep, drop or use in a different way to get a Mac
 unit working with my KX3? I'm especially interested in digital signals.
 Who here knows what works best.
 
>>> __
> 
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Re: [Elecraft] Best Mac to use with KX3

[Walter Underwood]

The only program that requires significant CPU is WSJT-X, for JT65 and FT8. The 
fldigi program might needs more CPU for some modes, but I’ve never noticed it. 
Macs usually have very high performance hardware for the year when they are 
released. I would expect any Mac from the last five years or so to work fine.

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

> On Jan 28, 2019, at 4:59 AM, Dave Sublette  wrote:
> 
> I use a mac mini running Parallels and Windows 7/64bit. It works very
> well.  I would think any .odel mac would do the job.
> 
> Dave,  K4TO
> 
> On Sun, Jan 27, 2019, 11:51 PM Don Wilhelm  
>> Steve,
>> 
>> The only software application specifically for the KX3 is KX3 Utility
>> which takes very little of the computer resources.
>> 
>> Perhaps a better question is -- "What processing capability is required
>> for the software applications that I want to run?"
>> 
>> That will determine how powerful a computer you will need - Mac or other
>> OS.
>> 
>> 73,
>> Don W3FPR
>> 
>> On 1/27/2019 12:08 PM, Steve Grimaud (Gmail) wrote:
>>> I'm trying to find a good new or used Macbook or Mac mini to begin using
>>> with my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB.
>>> What will I need to keep, drop or use in a different way to get a Mac
>>> unit working with my KX3? I'm especially interested in digital signals.
>>> Who here knows what works best.
>>> 
>> __

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Re: [Elecraft] Best Mac to use with KX3

[Dave Sublette]

I use a mac mini running Parallels and Windows 7/64bit. It works very
well.  I would think any .odel mac would do the job.

Dave,  K4TO

On Sun, Jan 27, 2019, 11:51 PM Don Wilhelm  Steve,
>
> The only software application specifically for the KX3 is KX3 Utility
> which takes very little of the computer resources.
>
> Perhaps a better question is -- "What processing capability is required
> for the software applications that I want to run?"
>
> That will determine how powerful a computer you will need - Mac or other
> OS.
>
> 73,
> Don W3FPR
>
> On 1/27/2019 12:08 PM, Steve Grimaud (Gmail) wrote:
> > I'm trying to find a good new or used Macbook or Mac mini to begin using
> > with my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB.
> > What will I need to keep, drop or use in a different way to get a Mac
> > unit working with my KX3? I'm especially interested in digital signals.
> > Who here knows what works best.
> >
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Re: [Elecraft] Best Mac to use with KX3

[Don Wilhelm]

Steve,

The only software application specifically for the KX3 is KX3 Utility 
which takes very little of the computer resources.


Perhaps a better question is -- "What processing capability is required 
for the software applications that I want to run?"


That will determine how powerful a computer you will need - Mac or other OS.

73,
Don W3FPR

On 1/27/2019 12:08 PM, Steve Grimaud (Gmail) wrote:
I'm trying to find a good new or used Macbook or Mac mini to begin using 
with my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB. 
What will I need to keep, drop or use in a different way to get a Mac 
unit working with my KX3? I'm especially interested in digital signals. 
Who here knows what works best.



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Re: [Elecraft] Best Mac to use with KX3

[Walter Underwood]

> On Jan 27, 2019, at 4:50 PM, James Bennett via Elecraft 
>  wrote:
> 
> p.s. - be sure you’ve got a beefy heatsink on that KX3 if you plan on running 
> it barefoot at 15 watts on digital.

The KX3 is rated for 5 W in full carrier modes like FM and data.

The easiest way to get above 5 W is to get a muffin fan and aim it at the heat 
sink.

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

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Re: [Elecraft] Best Mac to use with KX3

[John Stengrevics]

?? I use a MacBook Pro (new).  just connect the Mac to my K3S via USB.  I 
imagine KX3 is the same.  That’s all there is to it.

73,

John
WA1EAZ

> On Jan 27, 2019, at 7:50 PM, James Bennett via Elecraft 
>  wrote:
> 
> Steve - I normally use an iMac (27”) here in the shack with WSJT-X and in the 
> past have flip-flopped between a KX3 and my K3. Sold the KX3 and now use a 
> KX2 alternately with the K3. In 2016 I took my KX3 to the southern 
> Philippines along with a MacBook Pro Retina and used it with WSJT-X. The 
> external audio “ sound card” I use is a Tascam US-125M. 
> 
> So, what you get will dictate what you’ll need to acquire, if anything. 
> Several years ago Apple made a change in their OS in how it handles USB-2. 
> Basically they screwed it up. And they are not inclined to fix it. From that 
> point on there have been a bazillion Mac users (including myself) that are 
> going along with digital modes working fine and all of a sudden, the audio 
> starts coming out the internal speakers instead of the sound card. Numerous 
> work-arounds are out there - the one I have been very successful with is to 
> change the sampling rate to 44,000. This issue, from what I’ve heard, does 
> not affect USB-3. If you get a relatively new Mac and it has USB-3, you’ll 
> probably be OK. My iMac does not, so I use USB-2 and 99.9% of the time I’m 
> OK. My MacBook Pro does not have USB-3, but it DOES have a Thunderbolt port. 
> I got a Thunderbolt to USB converter on Amazon and that took care of this 
> problem on the laptop.
> 
> Hope that helps.
> 
> p.s. - be sure you’ve got a beefy heatsink on that KX3 if you plan on running 
> it barefoot at 15 watts on digital. The one that came with my KX3 (serial 
> number 5539) wasn't up to the task and after a few minutes would fold back to 
> 5 watts. This was prior to FT8 - the JT65 and JT9 modes run for considerably 
> longer and do cause heat build-up. I eventually got a third-party heat sink 
> and never had a problem with fold-back afterwards.
> 
> 73, Jim / W6JHB
> 
> 
>> On   Sunday, Jan 27, 2019, at  Sunday, 9:08 AM, Steve Grimaud (Gmail) 
>>  wrote:
>> 
>> I'm trying to find a good new or used Macbook or Mac mini to begin using 
>> with my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB. What 
>> will I need to keep, drop or use in a different way to get a Mac unit 
>> working with my KX3? I'm especially interested in digital signals. Who here 
>> knows what works best.
>> 
>> 73
>> 
>> Steve w3swg
>> 
>> -- 
>> Steve Grimaud
>> steve.grim...@gmail.com
>> 240-753-5380
>> 
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> 
> James Bennett
> w6...@me.com
> 
> 
> 
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Re: [Elecraft] Best Mac to use with KX3

[James Bennett via Elecraft]

Steve - I normally use an iMac (27”) here in the shack with WSJT-X and in the 
past have flip-flopped between a KX3 and my K3. Sold the KX3 and now use a KX2 
alternately with the K3. In 2016 I took my KX3 to the southern Philippines 
along with a MacBook Pro Retina and used it with WSJT-X. The external audio “ 
sound card” I use is a Tascam US-125M. 

So, what you get will dictate what you’ll need to acquire, if anything. Several 
years ago Apple made a change in their OS in how it handles USB-2. Basically 
they screwed it up. And they are not inclined to fix it. From that point on 
there have been a bazillion Mac users (including myself) that are going along 
with digital modes working fine and all of a sudden, the audio starts coming 
out the internal speakers instead of the sound card. Numerous work-arounds are 
out there - the one I have been very successful with is to change the sampling 
rate to 44,000. This issue, from what I’ve heard, does not affect USB-3. If you 
get a relatively new Mac and it has USB-3, you’ll probably be OK. My iMac does 
not, so I use USB-2 and 99.9% of the time I’m OK. My MacBook Pro does not have 
USB-3, but it DOES have a Thunderbolt port. I got a Thunderbolt to USB 
converter on Amazon and that took care of this problem on the laptop.

Hope that helps.

p.s. - be sure you’ve got a beefy heatsink on that KX3 if you plan on running 
it barefoot at 15 watts on digital. The one that came with my KX3 (serial 
number 5539) wasn't up to the task and after a few minutes would fold back to 5 
watts. This was prior to FT8 - the JT65 and JT9 modes run for considerably 
longer and do cause heat build-up. I eventually got a third-party heat sink and 
never had a problem with fold-back afterwards.

73, Jim / W6JHB


> On   Sunday, Jan 27, 2019, at  Sunday, 9:08 AM, Steve Grimaud (Gmail) 
>  wrote:
> 
> I'm trying to find a good new or used Macbook or Mac mini to begin using with 
> my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB. What will I 
> need to keep, drop or use in a different way to get a Mac unit working with 
> my KX3? I'm especially interested in digital signals. Who here knows what 
> works best.
> 
> 73
> 
> Steve w3swg
> 
> -- 
> Steve Grimaud
> steve.grim...@gmail.com
> 240-753-5380
> 
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Re: [Elecraft] Best Mac to use with KX3

[Bill Frantz]

Use the Elecraft USB <--> RS232 with the 3.5mm plug to connect 
the KX3 to your computer for firmware updates with the KX3 
Utility and for CAT control with various digital mode programs 
including wsjt-x. This interface will also allow many logging 
programs to automatically read the frequency and mode from the KX3.


BTW, I use RUMlogNG from the Apple App store for logging. 
Skookumlogger is also a good contest logger, and can handle 
rover mode for VHF contests. Signing /R makes RUMlogNG think you 
are operating from Russia.


I have used both a SignaLink and a $4 USB audio interface (from 
Amazon) for audio. With the $4 interface, I had to include a pad 
to lower the output level of the KX3 so it didn't overload the 
microphone input ot the interface.


73 Bill AE6JV

On 1/27/19 at 9:08 AM, steve.grim...@gmail.com (Steve Grimaud 
(Gmail)) wrote:


I'm trying to find a good new or used Macbook or Mac mini to 
begin using with my KX3. I had used a PC with ASUS Xonar U7 
and/or Signalink USB. What will I need to keep, drop or use in 
a different way to get a Mac unit working with my KX3? I'm 
especially interested in digital signals. Who here knows what 
works best.


73

Steve w3swg


---
Bill Frantz| Truth and love must prevail  | Periwinkle
(408)356-8506  | over lies and hate.  | 16345 
Englewood Ave
www.pwpconsult.com |   - Vaclav Havel | Los Gatos, 
CA 95032


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