Re: [Elecraft] New KX2 beta firmware release adds AM mode TX/RX

[Charlie T, K3ICH]

I'll wait for the official release.
Thanks for that added feature.

73, Charlie k3ICH


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Joe Lynch
Sent: Wednesday, August 31, 2016 9:05 PM
To: Wayne Burdick 
Cc: Elecraft Reflector 
Subject: Re: [Elecraft] New KX2 beta firmware release adds AM mode TX/RX

Thank you, Wayne, for adding a cool feature to an already great radio.
73,
Joe Lynch, N6CL 

On Wednesday, August 31, 2016 5:31 PM, Wayne Burdick  
wrote:
 

 Hi all,

KX2 beta firmware rev. 2.68 is now available. This revision adds AM mode 
transmit and receive. Please see our KX2 software page:

http://www.elecraft.com/KX2/kx2_software.htm

73,
Wayne
N6KR

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Re: [Elecraft] RX IQ USB Noise

[Clay Autery]

You are NOT grasping the problem or the suggested solution.

Please do yourself a favor and go read K9YC's white papers on
bonding/grounding, noise reduction, EMI/RFI reduction, etc

Just do it...

__
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 8/31/2016 2:23 PM, Enzo Adrian-Reyes wrote:
> This would be hard but I can see how that could happen.
> The KX3 and the laptop use 2 prong connectors and this still happens, the
> macbook pro has a grounded power plug
> but this still happens.
>
> The stupid thing is they all share the same power board, so in theory they
> should all be sharing the same green wire.
>
> However
>
> The KX3 chassis is connected to a ground system independent than the
> electrical ground, the same way I thought hams connected their radio
> equipment to ground (through a ground rod). The problem I have is that I
> live near KVA power lines, and they induce a current on the shield of the
> coax, which if I dont ground the KX3 causes electrical build it which I can
> sense with my finger.
>
> So given what you have said the ground of the KX3 chassis is connected to
> the ground system for the radio, and this is causing the loop.
> However this means I cannot do what you suggest, as the ground in all the
> plugged elements is already connected to the green wire, except the KX3
> whose power supply is a double isolated, except the chassis which is
> connected to the radio ground.
>
> I do not know how to solve this, my only work around for this would be to
> try to isolate the incoming current with arrestors at the entrance of the
> shack, but that might not get rid of this current.
>
> Regards
>
>
> On Thu, Sep 1, 2016 at 3:06 AM, Jim Brown  wrote:
>
>> Loop is absolutely the wrong way to view this problem, and transformers
>> are NOT the easiest or cheapest solution.
>>
>> The solution is 1) proper chassis-to-chassis BONDING between all of the
>> equipment being interconnected and 2) get power for all of the
>> interconnected equipment from the same mains outlet, or from outlets that
>> share the same "green wire" (what is called the "protective earth" in
>> Europe).
>>
>> 73, Jim K9YC
>>
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Re: [Elecraft] New KX2 beta firmware release adds AM mode TX/RX

[Joe Lynch]

Thank you, Wayne, for adding a cool feature to an already great radio.
73,
Joe Lynch, N6CL 

On Wednesday, August 31, 2016 5:31 PM, Wayne Burdick  
wrote:
 

 Hi all,

KX2 beta firmware rev. 2.68 is now available. This revision adds AM mode 
transmit and receive. Please see our KX2 software page:

    http://www.elecraft.com/KX2/kx2_software.htm

73,
Wayne
N6KR

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[Elecraft] Skeeter Hunt Log Summary reminder

[Larry W2LJ]

Just as reminder that Skeeter Hunt log summaries (and soapbox comments) are due 
no later than 11:59:59 PM this coming Sunday evening.

So far we have received 67 log summaries. The roster is marked to show whose 
logs have been received:

https://docs.google.com/spreadsheets/d/1KJWpvDDBZibCMqna_qGXF3Ayg8KdEw5f1N8K6ByGMe4/edit#gid=880964485

Make sure to get yous in  soon! Send them to w...@arrl.net

73 de Larry W2LJ
NJQRP Skeeter Hunt Manager - Skeeter # 13
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Re: [Elecraft] RX IQ USB Noise

[Don Wilhelm]

You are concentrating on the "green-wire ground".
Instead concentrate on running a heavy wire or braid in parallel with 
your audio cables - it works.  It may be difficult to get a chassis 
ground on the laptop but look for a jackscrew on one of the D-shell 
connectors.  Worst case, run a wire around the shell of one of the audio 
cables at the laptop end and connect the bonding wire to that.


What that bonding accomplishes is two things - it places the connected 
pieces of equipment at the same chassis potential, and secondly it 
provides a path for hum, buzz and noise from the chassis of one piece of 
equipment to the other.
Consider that in most electronic gear, the connectors are "grounded" to 
the PC board(s) inside.  Any hum, buzz and noise that is picked up by 
the shield of the connecting cables will be conducted onto the ground 
plane of the PC boards.  The bonding wire conducts much of that garbage 
onto the outside outside of the equipment enclosure where it will be 
isolated from the working electronics.


As far as the ground rod goes, I trust you have that ground rod 
connected (outside) to the utility entry ground rod with heavy wire - #6 
but #4 is preferred.  That is required not only to meet NEC 
requirements, but also for your personal safety.  That ground is for AC 
mains and lightning safety - it is not a sink for hum, buzz and RF.


73,
Don W3FPR

On 8/31/2016 3:23 PM, Enzo Adrian-Reyes wrote:

This would be hard but I can see how that could happen.
The KX3 and the laptop use 2 prong connectors and this still happens, the
macbook pro has a grounded power plug
but this still happens.

The stupid thing is they all share the same power board, so in theory they
should all be sharing the same green wire.

However

The KX3 chassis is connected to a ground system independent than the
electrical ground, the same way I thought hams connected their radio
equipment to ground (through a ground rod). The problem I have is that I
live near KVA power lines, and they induce a current on the shield of the
coax, which if I dont ground the KX3 causes electrical build it which I can
sense with my finger.

So given what you have said the ground of the KX3 chassis is connected to
the ground system for the radio, and this is causing the loop.
However this means I cannot do what you suggest, as the ground in all the
plugged elements is already connected to the green wire, except the KX3
whose power supply is a double isolated, except the chassis which is
connected to the radio ground.

I do not know how to solve this, my only work around for this would be to
try to isolate the incoming current with arrestors at the entrance of the
shack, but that might not get rid of this current.

Regards


On Thu, Sep 1, 2016 at 3:06 AM, Jim Brown  wrote:


Loop is absolutely the wrong way to view this problem, and transformers
are NOT the easiest or cheapest solution.

The solution is 1) proper chassis-to-chassis BONDING between all of the
equipment being interconnected and 2) get power for all of the
interconnected equipment from the same mains outlet, or from outlets that
share the same "green wire" (what is called the "protective earth" in
Europe).

73, Jim K9YC




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[Elecraft] New KX2 beta firmware release adds AM mode TX/RX

[Wayne Burdick]

Hi all,

KX2 beta firmware rev. 2.68 is now available. This revision adds AM mode 
transmit and receive. Please see our KX2 software page:

http://www.elecraft.com/KX2/kx2_software.htm

73,
Wayne
N6KR

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Re: [Elecraft] KX3: Help finding RAM mount

[Matt Zilmer]

It might be in its aftermarket phase now.

Try: 
https://www.summitracing.com/parts/rmi-2573?seid=srese1_mmc=pla-google-_-shopping-_-srese1-_-ram-mounts=Cj0KEQjwgJq-BRCFqcLW8_DU9agBEiQAz8Koh74TNypJwTh1hQlMVRIW0cR1DLZ3haDLuNgqYHO7jV0aAlIr8P8HAQ


It's the same mount featured in the KX3 Mobile Installation Guide, Fig. 1.

73!

matt, W6NIA

=

On 8/30/2016 2:33 PM, Edward R Cole wrote:
Been unsuccessful finding the mobile clamp shown in Fig.1, page 5 of 
the "Guide to KX3 Mobile Installation"* found on the Elecraft website. 
I've searched all over the RAM website and it is not found.  Could 
someone provide me the web link to that product?  I've cc Matt, as well.


*Matt Zilmer - W6NIA

73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
dubus...@gmail.com

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--
Always store beer in a dark place.  - R. Heinlein

Matt Zilmer, W6NIA
[Shiraz]

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Re: [Elecraft] RX IQ USB Noise

[Enzo Adrian-Reyes]

This would be hard but I can see how that could happen.
The KX3 and the laptop use 2 prong connectors and this still happens, the
macbook pro has a grounded power plug
but this still happens.

The stupid thing is they all share the same power board, so in theory they
should all be sharing the same green wire.

However

The KX3 chassis is connected to a ground system independent than the
electrical ground, the same way I thought hams connected their radio
equipment to ground (through a ground rod). The problem I have is that I
live near KVA power lines, and they induce a current on the shield of the
coax, which if I dont ground the KX3 causes electrical build it which I can
sense with my finger.

So given what you have said the ground of the KX3 chassis is connected to
the ground system for the radio, and this is causing the loop.
However this means I cannot do what you suggest, as the ground in all the
plugged elements is already connected to the green wire, except the KX3
whose power supply is a double isolated, except the chassis which is
connected to the radio ground.

I do not know how to solve this, my only work around for this would be to
try to isolate the incoming current with arrestors at the entrance of the
shack, but that might not get rid of this current.

Regards


On Thu, Sep 1, 2016 at 3:06 AM, Jim Brown  wrote:

> Loop is absolutely the wrong way to view this problem, and transformers
> are NOT the easiest or cheapest solution.
>
> The solution is 1) proper chassis-to-chassis BONDING between all of the
> equipment being interconnected and 2) get power for all of the
> interconnected equipment from the same mains outlet, or from outlets that
> share the same "green wire" (what is called the "protective earth" in
> Europe).
>
> 73, Jim K9YC
>
> . On Wed,8/31/2016 1:58 AM, Andrew Hebden wrote:
>
>> This sounds like a 'hum loop' problem, the scourge of audio enthusiasts.
>> In effect there are two earth connections between the KX3 and PC and it
>> forms a small loop aerial where by it picks up mains interference. You
>> could
>> try running the cables from the KX3 to the PC very close together.
>> It doesn't affect most people but I did get this problem a bit ago, but
>> not
>> with my KX3. The solution for me was to fit two small audio isolation
>> transformers (one for each channel) in the IQ line, fitted in a small
>> project box, and the problem went away. This has long been the recommended
>> procedure for most audio lines between a PC and a rig.
>>
>
>
> __
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>
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Re: [Elecraft] KX3: Help finding RAM mount

[Edward R Cole]

Thanks to John and also Jim Rhodes, George-AI4VZ, 
Jeff-K2SDR who all sent the same model number.


I called RAM this morning to check on dimensions 
that the mount accepted; max is 3.5 inches by 1.6 
inch depth which will accommodate the KX3 if you 
do not have an add-on heat sink like I have (adds 
3/4-inch to height for 4-1/4 inch total 
height).  The end fingers are not used as the KX3 is too long for the mount.


I decided to order the mount even though my radio 
is too tall as I can probably modify it by making 
a larger base plate.  $21.99 for the mount.  I 
also ordered the RAM-B-101U-A double ball mount 
(arm) that has the std 2.5 inch hole pads on each 
end.  Its 3-3/4 inch long. cost $24.99.


RAM total with shipping $76.77 (they only ship Fedex)

I also ordered from Proclipsa, their model 213493 
angled dash mount plate for my Ford F250 
truck.  It has the standard mounting pad that RAM 
uses.  cost $55.49 with shipping


So my total with shipping is $132.26

I will make some pictures when I have my KX3 
mounted in the truck; also pictures of other radios and KXPA-100.


thanks for all the help,

73, Ed - KL7UW

--
I'm thinking this RAM holder could be the one you 
are looking for:Â RAM-HOL-UN4U. This is their 
Universal mount and the finger clips appear to be 
very similar. Here is the URL:Â 
http://www.rammount.com/part/RAM-HOL-UN4U#Specs-Features 
 See what you think.  :-)


This one looks good to me and I may order one 
myself after I verify the dimensions of the KX3 
and holder.  I was thinking of fitting it to a 
cup holder mount, but I'll look at all the options in the article. Â


Thanks for getting my attention! Â :-)

73 john K5JS


73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
dubus...@gmail.com
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Re: [Elecraft] RX IQ USB Noise

[Jim Brown]

Loop is absolutely the wrong way to view this problem, and transformers 
are NOT the easiest or cheapest solution.


The solution is 1) proper chassis-to-chassis BONDING between all of the 
equipment being interconnected and 2) get power for all of the 
interconnected equipment from the same mains outlet, or from outlets 
that share the same "green wire" (what is called the "protective earth" 
in Europe).


73, Jim K9YC

. On Wed,8/31/2016 1:58 AM, Andrew Hebden wrote:

This sounds like a 'hum loop' problem, the scourge of audio enthusiasts.
In effect there are two earth connections between the KX3 and PC and it
forms a small loop aerial where by it picks up mains interference. You could
try running the cables from the KX3 to the PC very close together.
It doesn't affect most people but I did get this problem a bit ago, but not
with my KX3. The solution for me was to fit two small audio isolation
transformers (one for each channel) in the IQ line, fitted in a small
project box, and the problem went away. This has long been the recommended
procedure for most audio lines between a PC and a rig.



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Re: [Elecraft] K3s and Acom 2000a

[Kjeld Holm]

Agree. I have done the same for some five years. 
And even if you have the Acom antenna switch and selector you just send one
or two dits and you are on the air at the right antenna. 
Vy 73 de OZ1CCM, Kjeld

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
j...@kk9a.com
Sent: 31. august 2016 03:04
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3s and Acom 2000a

Last year I used an Acom 2000A with my K3S and I only connected the relay
cable and coax to the amp. The amplifier sensed and adjusted itself so
quickly when transmitting that I question what benefit there is to using the
complicated Y cable/computer CAT hookup.

John KK9A
 
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Re: [Elecraft] RX IQ USB Noise

[Andrew Hebden]

Hi,
This sounds like a 'hum loop' problem, the scourge of audio enthusiasts. 
In effect there are two earth connections between the KX3 and PC and it
forms a small loop aerial where by it picks up mains interference. You could
try running the cables from the KX3 to the PC very close together.
It doesn't affect most people but I did get this problem a bit ago, but not
with my KX3. The solution for me was to fit two small audio isolation
transformers (one for each channel) in the IQ line, fitted in a small
project box, and the problem went away. This has long been the recommended
procedure for most audio lines between a PC and a rig.

Hope this helps.
Andrew
G8BYB

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Enzo
Adrian-Reyes
Sent: 31 August 2016 08:43
To: Elecraft List
Subject: [Elecraft] RX IQ USB Noise

HI all

Me again, I have a problem with my setup and trying to work out what is
wrong. I have a  handy video, which shows my problem:
https://www.youtube.com/watch?v=hZPYUVpqefI

I hope somebody knows how to fix this, I've tried different USB hubs,
different laptops even.
I havent tried a different sound card though but then again I don't want to
keep throwing money at a problem unless there is a less expensive way to fix
this.

Regards

VK3FRAD
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---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus

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[Elecraft] RX IQ USB Noise

[Enzo Adrian-Reyes]

HI all

Me again, I have a problem with my setup and trying to work out what is
wrong. I have a  handy video, which shows my problem:
https://www.youtube.com/watch?v=hZPYUVpqefI

I hope somebody knows how to fix this, I've tried different USB hubs,
different laptops even.
I havent tried a different sound card though but then again I don't want to
keep throwing money at a problem unless there is a less expensive way to
fix this.

Regards

VK3FRAD
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