Re: [Elecraft] Reflecting on Quality

[Wayne Burdick]

We're too busy to move to IO, even if we had enough fuel to get there.

Wayne



> On Sep 30, 2019, at 5:50 PM, Bill  wrote:
> 
> Leave it like it is. Sure am not impressed by .io.
> 
> Stick to building and improving radios.
> 
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Re: [Elecraft] Pro Audio Engineerint power Supply

[hhoyt]

Hi Terry,
While it is possible your Kx33 has developed a problem, it is more likely
your antenna system has high common-mode potential which is commutating
through the Kx33 to the AC mains.  We supplied a mix31 ferrite core with
your supply to make a common-mode choke to help with these types of antenna
system issues.  I would be glad to help you, please email our tech support
at: i...@proaudioeng.com

Cheers & 73,
Howard Hoyt / WA4PSC
www.proaudioeng.com


>>When I plug in the PAE-Kx33 power supply to my KX3,  
>>I get a huge amount of hash noise. It's supposed to be 
>>low-RFI Anybody with a similar problem?
>>Any suggestions?
>>Thanks
>>Terry   VE3IQL 



--
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Re: [Elecraft] A First Class Company

[marvwheeler]

To all that are unhappy with the Elecraft reflector. I don't think any of you 
have any funds invested in the reflector but there is a couple of solutions 
that might help solve your unhappiness. . !. You don't have to read the post. 
2. You can always start your own reflector and run it the way you want. I am 
very unhappy of having to read this thread after the moderator said ti close it.


-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Paul Van Dyke
Sent: Monday, September 30, 2019 6:46 PM
To: Elecraft Reflector 
Subject: Re: [Elecraft] A First Class Company

sorry. Paul KB9AVO

On Mon, Sep 30, 2019, 9:44 PM Paul Van Dyke  wrote:

> Gentleman,
>  I suspect that both Wayne and Eric and the rest are aware of your 
> comments. Tieing up the reflector beating a dead horse to dust will do 
> us no good.
>
> On Mon, Sep 30, 2019, 9:33 PM Clay Autery  wrote:
>
>> THAT is the real deal, Ronnie!
>>
>> __
>> Clay Autery, KY5G
>> (318) 518-1389
>>
>> On 30-Sep-19 14:19, Ronnie Hull wrote:
>> > People just don’t want or like changes
>> >
>> > Ronnie W5SUM
>> >
>> > Sent from my iPhone
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>>
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>> email list: http://www.qsl.net/donate.html Message delivered to 
>> pvandyke1...@gmail.com
>
>
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Re: [Elecraft] A First Class Company

[Rose]

Amen !!

73 !

Ken - K0PP

On Mon, Sep 30, 2019, 19:44 Paul Van Dyke  wrote:

> Gentleman,
>  I suspect that both Wayne and Eric and the rest are aware of your
> comments. Tieing up the reflector beating a dead horse to dust will do us
> no good.
>
> On Mon, Sep 30, 2019, 9:33 PM Clay Autery  wrote:
>
> > THAT is the real deal, Ronnie!
> >
> > __
> > Clay Autery, KY5G
> > (318) 518-1389
> >
> > On 30-Sep-19 14:19, Ronnie Hull wrote:
> > > People just don’t want or like changes
> > >
> > > Ronnie W5SUM
> > >
> > > Sent from my iPhone
> > __
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft@mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to pvandyke1...@gmail.com
> __
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Re: [Elecraft] A First Class Company

[Ken G Kopp]

Amen !!

73 - K0PP

On Mon, Sep 30, 2019, 19:45 Paul Van Dyke  wrote:

> Gentleman,
>  I suspect that both Wayne and Eric and the rest are aware of your
> comments. Tieing up the reflector beating a dead horse to dust will do us
> no good.
>
> On Mon, Sep 30, 2019, 9:33 PM Clay Autery  wrote:
>
> > THAT is the real deal, Ronnie!
> >
> > __
> > Clay Autery, KY5G
> > (318) 518-1389
> >
> > On 30-Sep-19 14:19, Ronnie Hull wrote:
> > > People just don’t want or like changes
> > >
> > > Ronnie W5SUM
> > >
> > > Sent from my iPhone
> > __
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft@mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to pvandyke1...@gmail.com
> __
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Re: [Elecraft] A First Class Company

[Paul Van Dyke]

sorry. Paul KB9AVO

On Mon, Sep 30, 2019, 9:44 PM Paul Van Dyke  wrote:

> Gentleman,
>  I suspect that both Wayne and Eric and the rest are aware of your
> comments. Tieing up the reflector beating a dead horse to dust will do us
> no good.
>
> On Mon, Sep 30, 2019, 9:33 PM Clay Autery  wrote:
>
>> THAT is the real deal, Ronnie!
>>
>> __
>> Clay Autery, KY5G
>> (318) 518-1389
>>
>> On 30-Sep-19 14:19, Ronnie Hull wrote:
>> > People just don’t want or like changes
>> >
>> > Ronnie W5SUM
>> >
>> > Sent from my iPhone
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to pvandyke1...@gmail.com
>
>
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Re: [Elecraft] A First Class Company

[Clay Autery]

That is PRECISELY the wrong way to migrate from dino list to groups.io 
(or anywhere else actually).


There is a procedure to migrate the whole list, archives and all to 
groups.io and make it close to seamless for the users...


__
Clay Autery, KY5G
(318) 518-1389

On 30-Sep-19 14:43, David Gilbert wrote:


A couple of months ago somebody strongly argued for the TowerTalk 
reflector (which has a couple thousand subscribers) to switch to a 
groups.io list.  With the TowerTalk moderator's blessing somebody set 
one up on July 21 and urged everyone to switch to it.  As of today it 
has 36 members and has had a total of 8 posts, five of which were made 
by the guy who set it up.


I am constantly amazed how difficult it is for some people to quickly 
scroll through a list of topics to find the ones they may be 
interested in.  And yet it's the younger generations who get accused 
of needing instant gratification ... go figure.


Dave   AB7E

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Re: [Elecraft] A First Class Company

[Paul Van Dyke]

Gentleman,
 I suspect that both Wayne and Eric and the rest are aware of your
comments. Tieing up the reflector beating a dead horse to dust will do us
no good.

On Mon, Sep 30, 2019, 9:33 PM Clay Autery  wrote:

> THAT is the real deal, Ronnie!
>
> __
> Clay Autery, KY5G
> (318) 518-1389
>
> On 30-Sep-19 14:19, Ronnie Hull wrote:
> > People just don’t want or like changes
> >
> > Ronnie W5SUM
> >
> > Sent from my iPhone
> __
> Elecraft mailing list
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>
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> Message delivered to pvandyke1...@gmail.com
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Re: [Elecraft] A First Class Company

[Clay Autery]

Yup  me too.  +100

__
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(318) 518-1389

On 30-Sep-19 14:25, Walter Underwood wrote:

He’s most likely talking about the groups.io mailing list and group site. For 
some reason, people call it “GIO” or “.io” or anything but “groups.io”.

I’ve been managing email lists, netnews, and groups since 1983, and I think 
that groups.io is the best system I’ve ever used. I’ve migrated all of the 
groups I manage off of Yahoo and Google to groups.io.

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

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Re: [Elecraft] A First Class Company

[Clay Autery]

THAT is the real deal, Ronnie!

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(318) 518-1389

On 30-Sep-19 14:19, Ronnie Hull wrote:

People just don’t want or like changes

Ronnie W5SUM

Sent from my iPhone

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Re: [Elecraft] A First Class Company

[Clay Autery]

groups.io

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On 30-Sep-19 13:49, Lynn W. Taylor, WB6UUT wrote:

Isn't .io a top-level domain??



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Re: [Elecraft] A First Class Company

[Clay Autery]

Mmmm... care to offer some amplification of that statement along the 
lines of WHY?


I've had a remarkably favorable experience with groups.io.

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On 30-Sep-19 13:43, Wes N7WS wrote:

I detest .io

Wes

Sent from my iPhone

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[Elecraft] Fw: KPA500 - Advantage of min fan speed?

[Andy Durbin]

Don,

Two test cases -

Case 1:
Ambient temperature 28 deg C, KPA500 OPER mode but no TX in over 12 hours, fan 
speed zero, PA temp 35 deg C.

Case 2:
Ambient temperature 28 deg C, KPA500 OPER mode but no TX in over 12 hours, fan 
speed 1 run for long enough to stabilize PA temperature, PA temp 29 deg C.

Fan 1 continuous operation has pre-cooled the KPA500 PA by 6 deg C (measured 
data).

It's obvious that that the start of the the first high power "run" cycle will 
have a later onset of fan 2 if the KPA500 has been pre-cooled at FS 1.  What is 
not obvious is whether there will be any sustained advantage if the "run" 
continues.  If the "run" never allows the temperature to drop to fan  speed 1 
there would appear to be no operational advantage to the pre-cool at fan speed 
1.

For a S duty cycle each TX would likely have delayed fan speed increases.  
However, that advantage has to be offset by the noise of fan 1 when no cooling 
was required.

Andy, k3wyc





From: Don Wilhelm 
Sent: Monday, September 30, 2019 10:28 AM
To: Andy Durbin ; elecraft@mailman.qth.net 

Subject: Re: [Elecraft] KPA500 - Advantage of min fan speed?

Andy,

Physical fact related to any heat dissipating object -- if you apply an
air stream across the object, it will not come up to a given temperature
as quickly as having no air stream across it.

Specifically for the amp, if you run the fan speed minimum at 1, it will
heat to the 55 degC threshold more slowly before switching  to level 2.
Of course, from there on up to higher temperatures, there will be the
same time period between the higher fan speed steps.

In other words, the fan minimum will NOT shift the entire range of
thresholds, but it WILL delay the time to reach the level 2 threshold.

73,
Don W3FPR

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Re: [Elecraft] Reflecting on Quality

[Bill]

Leave it like it is. Sure am not impressed by .io.

Stick to building and improving radios.


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[Elecraft] Reflecting on Quality

[JR]

Huh... really???   As for the quality of the Elecraft discussion 
reflector ...


Well, shoot - some guys would bitch even if you
hung them with a new rope.


Drive on Elecraft - you got much bigger fish to fry and the reflector 
works just fine.  Thank you.


K8JHR

---


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Re: [Elecraft] new revision of KPA500 LPF T_R Switching rework Rev.E guide available

[Bill Johnson]

Please explain.

73,
Bill
K9YEQ

https://wrj-tech.com/

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Wes
Sent: Monday, September 30, 2019 6:58 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] new revision of KPA500 LPF T_R Switching rework Rev.E 
guide available

I don't believe that configuration management is Elecraft's strong suit.

On 9/30/2019 4:17 PM, Andy Durbin wrote:
> Elecraft must be enjoying the confusion.
>
> Andy, k3wyc
>

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Re: [Elecraft] new revision of KPA500 LPF T_R Switching rework Rev.E guide available

[Wes]

I don't believe that configuration management is Elecraft's strong suit.

On 9/30/2019 4:17 PM, Andy Durbin wrote:

Elecraft must be enjoying the confusion.

Andy, k3wyc



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Re: [Elecraft] new revision of KPA500 LPF T_R Switching rework Rev.E guide available

[Andy Durbin]

"It is this surface mount board that needs its parts changed".

I suspect that should be  - "some early surface mount boards may need their 
parts changed".

As I posted earlier, and show again below, this mod appear to have been 
introduced late 2013.

Elecraft must be enjoying the confusion.  If not, someone would post which 
serial numbers may need to be modified.

Andy, k3wyc


From: Andy Durbin
Sent: Tuesday, September 24, 2019 9:38 AM
To: elecraft@mailman.qth.net 
Subject: [Elecraft] new revision of KPA500 LPF T_R Switching rework Rev.E guide 
available

The posted link points to a web page dated 7 February 2017.   Was the page 
content changed without changing the date?

I checked my KPA500 schematics and the component values listed in the mod 
instructions all seem to be the same as those shown in "KPA 500 TR Switch" page 
3 of 3, rev D2, dated 12/5/13.   Should I assume that all KPA500 delivered 
after 2013 would have this modification included?

73,
Andy, k3wyc
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[Elecraft] Pro Audio Engineerint power Supply

[Terry Basom]

When I plug in the PAE-Kx33 power supply to my KX3,  I get a huge amount of
hash noise. It's supposed to be low-RFI Anybody with a similar problem?
 Any suggestions?
Thanks
Terry   VE3IQL
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[Elecraft] re.: A First Class Company

[T.H. Bauer]

Neil,

I agree with you wholeheartedly. Each of the reflectors to which I belong
that has moved to groups.io is
much more pleasurable to use...particularly is you are like me and use
Digest mode (I feel the heat coming!).
And I eschew email clients because I get email via 4 different hardware
platforms: Mac OS, Win,Android,
and iOS. So, Yes, I use a Web "client", aka browser, on most of those
devices and it works quite well.

It's possible that moving to groups.io would make the Elecraft archive
difficult to transition; I don't know, but
that may be a consideration.
73
---
Ted   WA3AER

Message: 6
Date: Mon, 30 Sep 2019 14:22:12 -0400
From: Neil 
To: elecraft@mailman.qth.net
Subject: [Elecraft] A First Class Company
Message-ID: <5d9247d4.1070...@gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

  Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately with a
third world country reflector (just my opinion)
Other reflectors use the user friendly IO service. QTH.Net is not user
friendly. I hope that they can switch to .IO. Why do I have this
opinion? It forces the user to scroll thru many messages that a user may
not have an interest in, and hunting to find those of interest. Using
the .IO all one needs to do is click on the item and it is there. Just
one "geezers" take on the issue.
73
Neil   N4FN
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[Elecraft] Elecraft KPA500 LPF T/R Switch Rework Rev. E Mod

[Roy Morris, Jr. via Elecraft]

I have talked with Elecraft today about the need for the E850607 parts kit. I 
was told this parts kit is needed for the Rev. D9 board that is populated with 
surface mount components.  I have an EARLIER board (A or B) that has the 
non-surface mounted yellow capacitors.  Because Elecraft could no longer 
procure components for the A or B boards, they went with a surface mount board. 
 It is this surface mount board that needs its parts changed and not the 
earlier A and B boards.  This was what the Elecraft technician told me.   Roy 
Morris  W4WFB
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Re: [Elecraft] A First Class Company

[Eric Swartz - WA6HHQ, Elecraft]

Even Better:
Nabble.com: elecraft Searchable Daily Web Archive (view by date or discussion 
thread and reply to postings.) 

http://elecraft.365791.n2.nabble.com/

Eric
/elecraft.com/

On 9/30/2019 12:29 PM, Dick Dickinson wrote:

http://mailman.qth.net/pipermail/elecraft/2019-September/270620.html

What could be easier..? ¯‍∖‍_‍(‍ツ‍)‍_‍/‍¯


Dick – KA5KKT

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Re: [Elecraft] QRPWORKS SIDEKAR PLUS -SOLD

[W7BV]

SOLD.  F/S: QRPWORKS SIDEKAR PLUS, like new from non- smoking 
environment, equippedfor use with Elecraft KX2 and KX3 (CW, PSK31, RTTY) 
including mountingbrackets,  wireless mini keyboard, cable to KX2/KX3 and power 
splittercables. Pictures in for sale ad on www.eham.net. Now excess to my 
needs. Formore details and operation manual, see www.qrpworks.com . Original 
totalcost $310, asking $215 shipped USPS Priority Mail,  PayPal preferred or 
USPSMoney Order. 73, Bob W7BV


Get Outlook for iOS

  
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Re: [Elecraft] A First Class Company

[Don Wilhelm]

Finally, a post with a reasonable solution! - Use an email client on 
your computer!  Then it won't matter and you do not have to sign onto 
several web based accounts.


I currently have 11 accounts that are handled by my email client 
(Thunderbird).  All incoming mail is sorted via filters into separate 
folders under my inbox, so I have only a small amount of inbox 
investigation and arrangement to do.  As a result I have my own personal 
"digest" on my computer.
I shudder to think how long it would take me to sign into each email 
group using webmail.


Most of my accounts are handled as POP3 mail, and yes, I do look at my 
email on more than one computer.  I just tell Thunderbird to leave a 
copy  of all emails on the server for 7 days (unless I delete them), and 
I can see all my email on any computer as long as I download the email 
on each one at least once a week.


To me all my accounts look the same whether QTH.net, or groups.io or 
gmail or other.  I use plain text with all of them - no problems.
I do regularly delete emails that are more than 6 months old - but I 
have to do that manually.


73,
Don W3FPR


On 9/30/2019 2:48 PM, Lynn W. Taylor, WB6UUT wrote:
Reflectors are like CW.  They've been around almost as long as the 
Internet.  The other term is "list server."


The sender sends an E-Mail, and it goes out to the list.  It's up to the 
individual mail system, and client, to deal with as they wish.


Personally, as someone who actually ran mail systems for a few decades, 
I find it far easier to use a mail client running on my machine than it 
is do deal with a mail client running on a machine hundreds of 
milliseconds away, and wait for my share of that processor to send back 
an updated display.


... but then again, I've been dealing with list servers since the 90's, 
and pretty much hate the web-based analogs.


But, as is often said on the Internet, YMMV.


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Re: [Elecraft] A First Class Company

[Eric Swartz - WA6HHQ, Elecraft]

Folks - Let's end this recurring thread now in the interest of improving list 
SNR.

73,
Eric  WA6HHQ
List moderator etc.
/elecraft.com/

On 9/30/2019 12:43 PM, David Gilbert wrote:


A couple of months ago somebody strongly argued for the TowerTalk reflector 
(which has a couple thousand subscribers) to switch to a groups.io list.  With 
the TowerTalk moderator's blessing somebody set one up on July 21 and urged 
everyone to switch to it.  As of today it has 36 members and has had a total 
of 8 posts, five of which were made by the guy who set it up.


I am constantly amazed how difficult it is for some people to quickly scroll 
through a list of topics to find the ones they may be interested in.  And yet 
it's the younger generations who get accused of needing instant gratification 
... go figure.


Dave   AB7E



On 9/30/2019 11:22 AM, Neil wrote:
 Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately with a third 
world country reflector (just my opinion)
Other reflectors use the user friendly IO service. QTH.Net is not user 
friendly. I hope that they can switch to .IO. Why do I have this opinion? It 
forces the user to scroll thru many messages that a user may not have an 
interest in, and hunting to find those of interest. Using the .IO all one 
needs to do is click on the item and it is there. Just one "geezers" take on 
the issue.

73
Neil   N4FN


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Re: [Elecraft] A First Class Company

[Wes]

Change for the better is fine.

On 9/30/2019 12:19 PM, Ronnie Hull wrote:

People just don’t want or like changes

Ronnie W5SUM



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Re: [Elecraft] A First Class Company

[Wes]

Okay, groups,io.  I was being brief on my phone.

On 9/30/2019 11:49 AM, Lynn W. Taylor, WB6UUT wrote:

Isn't .io a top-level domain??

On 9/30/2019 11:43 AM, Wes N7WS wrote:

I detest .io

Wes

Sent from my iPhone 


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Re: [Elecraft] KPA500 - Advantage of min fan speed?

[Jack Brindle via Elecraft]

All you guys had to do was ask. When going down, the hysteresis is 3 degrees. 
That means that each threshold is shifted down 3 degrees.
The hysteresis is necessary to keep the fan speed from bouncing up and down 
when the temperature is at one of the switch points.

73!
Jack, W6FB

> On Sep 30, 2019, at 10:57 AM, Michael Walker  wrote:
> 
> Andy
> 
> I would call Elecraft and ask them directly. Unless they respond directly 
> here in the forum everyone is just guessing
> 
> Mike
> 
> 
> 
>> On Sep 30, 2019, at 1:13 PM, Andy Durbin  wrote:
>> 
>> "I got the thresholds from Elecraft directly.
>> I never worried too much about them since the Elecraft guys are pretty smart 
>> people and likely have done a lot more research on this than most of us."
>> 
>> That's possible but they only gave you half the information.  The thresholds 
>> you quoted are for increasing temperature.  The fan speed step down 
>> thresholds are lower than the step up thresholds.  (I have experimental data 
>> for fan speeds up to, and including, 5 but have never seen 6 except when I 
>> set min speed to 6 to hear how loud it was.)
>> 
>> I measured the fan speed thresholds over a year ago but that information 
>> doesn't answer the question about any operation advantage of running min 
>> speed  greater than zero.
>> 
>> 73,
>> Andy, k3wyc
>> 
>> 
>> 
>> 
>> 
>> __
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Re: [Elecraft] Creaking KPA-500

[Phillip Zminda]

Thanks for the comments. I’ll just leave it alone for a while and see if it 
improves over time.

Phil N3ZP
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Re: [Elecraft] A First Class Company

[David Gilbert]

A couple of months ago somebody strongly argued for the TowerTalk 
reflector (which has a couple thousand subscribers) to switch to a 
groups.io list.  With the TowerTalk moderator's blessing somebody set 
one up on July 21 and urged everyone to switch to it.  As of today it 
has 36 members and has had a total of 8 posts, five of which were made 
by the guy who set it up.


I am constantly amazed how difficult it is for some people to quickly 
scroll through a list of topics to find the ones they may be interested 
in.  And yet it's the younger generations who get accused of needing 
instant gratification ... go figure.


Dave   AB7E



On 9/30/2019 11:22 AM, Neil wrote:
 Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately with 
a third world country reflector (just my opinion)
Other reflectors use the user friendly IO service. QTH.Net is not user 
friendly. I hope that they can switch to .IO. Why do I have this 
opinion? It forces the user to scroll thru many messages that a user 
may not have an interest in, and hunting to find those of interest. 
Using the .IO all one needs to do is click on the item and it is 
there. Just one "geezers" take on the issue.

73
Neil   N4FN


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Re: [Elecraft] A First Class Company

[Dick Dickinson]

http://mailman.qth.net/pipermail/elecraft/2019-September/270620.html

What could be easier..? ¯‍∖‍_‍(‍ツ‍)‍_‍/‍¯


Dick – KA5KKT

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Re: [Elecraft] A First Class Company

[Walter Underwood]

He’s most likely talking about the groups.io mailing list and group site. For 
some reason, people call it “GIO” or “.io” or anything but “groups.io”.

I’ve been managing email lists, netnews, and groups since 1983, and I think 
that groups.io is the best system I’ve ever used. I’ve migrated all of the 
groups I manage off of Yahoo and Google to groups.io.

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

> On Sep 30, 2019, at 12:05 PM, Fred Jensen  wrote:
> 
> "indian ocean?"
> 
> 73,
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
> 
> On 9/30/2019 11:49 AM, Lynn W. Taylor, WB6UUT wrote:
>> Isn't .io a top-level domain??
>> 
> 
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Re: [Elecraft] A First Class Company

[Ronnie Hull]

People just don’t want or like changes

Ronnie W5SUM

Sent from my iPhone

> On Sep 30, 2019, at 1:49 PM, Lynn W. Taylor, WB6UUT 
>  wrote:
> 
> Isn't .io a top-level domain??
> 
>> On 9/30/2019 11:43 AM, Wes N7WS wrote:
>> I detest .io
>> Wes
>> Sent from my iPhone
>>> On Sep 30, 2019, at 11:33 AM, Grant Youngman  wrote:
>>> 
>>> This “geezer” finds all kinds of things of interest that might not 
>>> necessarily seem interesting at first look :-)
>>> 
>>> Grant/NQ5T
>>> 
>>> 
>>> Sent from my iPhone
>>> 
 On Sep 30, 2019, at 2:23 PM, Neil  wrote:
 
  Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately with a 
 third world country reflector (just my opinion)
 Other reflectors use the user friendly IO service. QTH.Net is not user 
 friendly. I hope that they can switch to .IO. Why do I have this opinion? 
 It forces the user to scroll thru many messages that a user may not have 
 an interest in, and hunting to find those of interest. Using the .IO all 
 one needs to do is click on the item and it is there. Just one "geezers" 
 take on the issue.
 73
 Neil   N4FN
 
 
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Re: [Elecraft] KX3; Firmware Update

[Grant Youngman]

I had actually forgotten that “absolute mode” for the S-meter still showed up 
as “TBD” on the KX3.  I re-discovered it while following the instructions for 
radio setup prior to calibrating opposite sideband null.  I was also hoping for 
synchronous AM, but that didn’t show up either, although I don’t recall it ever 
being advertised.

Neither is particularly critical for most KX3 users if you aren’t using the 
radio as the main station, although there’s much to be said for both features.

Perhaps the 8 cores of processing power in the KX4 will include these?   :-) :-)

Grant NQ5T
KX3 (8342)/KXPA100


> On Sep 30, 2019, at 2:54 PM, AE7AP  wrote:
> 
> It was pointed out to me that the Utility already has the KX3 setting
> function under the "Configuration" tab (I missed that somehow), and also
> that the design of the RTC in the KX3 may not allow for tuning via firmware. 
> Thank you all.
> 
> 73,
> Rob - AE7AP

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Re: [Elecraft] Creaking KPA-500

[Buck]

My creaking went away after a while.

Buck, k4ia
Honor Roll
8BDXCC
EasyWayHamBooks.com

On 9/30/2019 1:21 PM, Michael Walker wrote:

The creaking is due to the Heatsink expanding and contracting and the
screws trying to hold them in place.

It is normal and if you loosen screws, you may hear the noise go away.  If
you tighten them, you might break the screws.

I'm not sure which way it will go, but it is normal.

Mike va3mw


On Mon, Sep 30, 2019 at 1:32 PM Bob McGraw K4TAX 
wrote:


Phil et al;

My factory built KPA500 did a good be of cracking and popping for 3 or 4
months when first received.   But it has stopped.  Guess all the metal
parts settled into a comfortable position and all is now well.I
considered opening it up, tightening or loosing bolts and screws.But
procrastinator me just waited and it stopped by itself.   I  think
that's good.

Love the amp, it is a great performer.

73

Bob, K4TAX

On 9/30/2019 7:59 AM, Phillip Zminda wrote:

My kit-built KPA-500 is about 8 months old. Lately I’ve been running a

lot of FT8 and FT4 at around 150 to 200 watts. I have really noticed a lot
of loud creaking from the KPA-500 after a few QSOs on digital modes. The
manual does indicate that some noise is normal but this does seem
excessive, I don’t recall noticing it when on CW or SSB, although I haven’t
done much contesting where the amp would have a lot of running time.


I expect I may need to tighten some screws inside. I really don’t want

to do any more disassembly than necessary and would prefer not to ship back
to Elecraft either. What is the likely culprit and how much disassembly is
required to get to the necessary screws?


Thanks,

Phil N3ZP
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Re: [Elecraft] A First Class Company

[Fred Jensen]

"indian ocean?"

73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 9/30/2019 11:49 AM, Lynn W. Taylor, WB6UUT wrote:

Isn't .io a top-level domain??



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Re: [Elecraft] A First Class Company

[Bob McGraw K4TAX]

I own 4 ham radio groups and moderate 1 ham radio group and belong to 
about 4 others.   Life is what you make it in the world of "list 
servers".    If you hate it or one of them,  then it is likely the way 
one has it configured for their needs. "It ain't rocket science".


73

Bob, K4TAX



On 9/30/2019 1:48 PM, Lynn W. Taylor, WB6UUT wrote:
Reflectors are like CW.  They've been around almost as long as the 
Internet. The other term is "list server."


The sender sends an E-Mail, and it goes out to the list.  It's up to 
the individual mail system, and client, to deal with as they wish.


Personally, as someone who actually ran mail systems for a few 
decades, I find it far easier to use a mail client running on my 
machine than it is do deal with a mail client running on a machine 
hundreds of milliseconds away, and wait for my share of that processor 
to send back an updated display.


... but then again, I've been dealing with list servers since the 
90's, and pretty much hate the web-based analogs.


But, as is often said on the Internet, YMMV.

73 -- Lynn

On 9/30/2019 11:22 AM, Neil wrote:
  Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately 
with a third world country reflector (just my opinion)
Other reflectors use the user friendly IO service. QTH.Net is not 
user friendly. I hope that they can switch to .IO. Why do I have this 
opinion? It forces the user to scroll thru many messages that a user 
may not have an interest in, and hunting to find those of interest. 
Using the .IO all one needs to do is click on the item and it is 
there. Just one "geezers" take on the issue.

73
Neil   N4FN


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Re: [Elecraft] KX3; Firmware Update

[AE7AP]

It was pointed out to me that the Utility already has the KX3 setting
function under the "Configuration" tab (I missed that somehow), and also
that the design of the RTC in the KX3 may not allow for tuning via firmware. 
Thank you all.

73,
Rob - AE7AP



--
Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] A First Class Company

[Lynn W. Taylor, WB6UUT]

Isn't .io a top-level domain??

On 9/30/2019 11:43 AM, Wes N7WS wrote:

I detest .io

Wes

Sent from my iPhone


On Sep 30, 2019, at 11:33 AM, Grant Youngman  wrote:

This “geezer” finds all kinds of things of interest that might not necessarily 
seem interesting at first look :-)

Grant/NQ5T


Sent from my iPhone


On Sep 30, 2019, at 2:23 PM, Neil  wrote:

 Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately with a third 
world country reflector (just my opinion)
Other reflectors use the user friendly IO service. QTH.Net is not user friendly. I hope 
that they can switch to .IO. Why do I have this opinion? It forces the user to scroll 
thru many messages that a user may not have an interest in, and hunting to find those of 
interest. Using the .IO all one needs to do is click on the item and it is there. Just 
one "geezers" take on the issue.
73
Neil   N4FN


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Re: [Elecraft] A First Class Company

[Lynn W. Taylor, WB6UUT]

Reflectors are like CW.  They've been around almost as long as the 
Internet.  The other term is "list server."


The sender sends an E-Mail, and it goes out to the list.  It's up to the 
individual mail system, and client, to deal with as they wish.


Personally, as someone who actually ran mail systems for a few decades, 
I find it far easier to use a mail client running on my machine than it 
is do deal with a mail client running on a machine hundreds of 
milliseconds away, and wait for my share of that processor to send back 
an updated display.


... but then again, I've been dealing with list servers since the 90's, 
and pretty much hate the web-based analogs.


But, as is often said on the Internet, YMMV.

73 -- Lynn

On 9/30/2019 11:22 AM, Neil wrote:
  Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately with a 
third world country reflector (just my opinion)
Other reflectors use the user friendly IO service. QTH.Net is not user 
friendly. I hope that they can switch to .IO. Why do I have this 
opinion? It forces the user to scroll thru many messages that a user may 
not have an interest in, and hunting to find those of interest. Using 
the .IO all one needs to do is click on the item and it is there. Just 
one "geezers" take on the issue.

73
Neil   N4FN


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Re: [Elecraft] Running RTTY

[Joe Subich, W4TV]

On 2019-09-30 2:32 PM, Ted Edwards W3TB wrote:
> For the question, I am doing AFSK.

Normal/REV are per band settings.  Switch to data mode (AFSK A) and
confirm that REV is not shown on *any* band.

73,

   ... Joe, W4TV


On 2019-09-30 2:32 PM, Ted Edwards W3TB wrote:

For the question, I am doing AFSK.
Somewhere in the K3 menu settings I must surely have a by-Band
irregularity.  I should also check bands that I didn’t operate like
160/80/10.

Thanks everyone.



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Re: [Elecraft] A First Class Company

[Wes N7WS]

I detest .io

Wes

Sent from my iPhone

> On Sep 30, 2019, at 11:33 AM, Grant Youngman  wrote:
> 
> This “geezer” finds all kinds of things of interest that might not 
> necessarily seem interesting at first look :-)
> 
> Grant/NQ5T
> 
> 
> Sent from my iPhone
> 
>> On Sep 30, 2019, at 2:23 PM, Neil  wrote:
>> 
>>  Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately with a 
>> third world country reflector (just my opinion)
>> Other reflectors use the user friendly IO service. QTH.Net is not user 
>> friendly. I hope that they can switch to .IO. Why do I have this opinion? It 
>> forces the user to scroll thru many messages that a user may not have an 
>> interest in, and hunting to find those of interest. Using the .IO all one 
>> needs to do is click on the item and it is there. Just one "geezers" take on 
>> the issue.
>> 73
>> Neil   N4FN
>> 
>> 
>> __
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Re: [Elecraft] A First Class Company

[Grant Youngman]

This “geezer” finds all kinds of things of interest that might not necessarily 
seem interesting at first look :-)

Grant/NQ5T


Sent from my iPhone

> On Sep 30, 2019, at 2:23 PM, Neil  wrote:
> 
>  Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately with a 
> third world country reflector (just my opinion)
> Other reflectors use the user friendly IO service. QTH.Net is not user 
> friendly. I hope that they can switch to .IO. Why do I have this opinion? It 
> forces the user to scroll thru many messages that a user may not have an 
> interest in, and hunting to find those of interest. Using the .IO all one 
> needs to do is click on the item and it is there. Just one "geezers" take on 
> the issue.
> 73
> Neil   N4FN
> 
> 
> __
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Re: [Elecraft] Running RTTY

[Ted Edwards W3TB]

For the question, I am doing AFSK.
Somewhere in the K3 menu settings I must surely have a by-Band
irregularity.  I should also check bands that I didn’t operate like
160/80/10.

Thanks everyone.

On Mon, Sep 30, 2019 at 12:42 Lynn W. Taylor, WB6UUT <
kx...@coldrockshotbrooms.com> wrote:

> Low space means fine teletype.
>
> On 9/30/2019 6:09 AM, Ted Edwards W3TB wrote:
> > I am not sure whether this is a K3 question or N1MM+ question...
> >
> > Working the CQWW RTTY this weekend, I found that my settings were
> different
> > on 15m than on 20/40m - in that I had to reverse the tones on 15m and
> > they were offset off the center frequency of the P3 where they had been
> on
> > 20/40m.
> >
> > What do I need to correct?
> > Thanks to all!
> >
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>
-- 
73 de Ted Edwards, W3TB and GØPWW

and thinking about operating CW:
"Do today what others won't,
so you can do tomorrow what others can't."
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Re: [Elecraft] KPA500 - Advantage of min fan speed?

[Fred Jensen]

When running RTTY with the KPA500 I no longer have, I noticed that, with 
a minimum fan speed greater than zero, the temp tended to fall lower 
during RX periods than when the min speed was zero. During the 
subsequent TX period, having started from a lower temp, it would not 
rise as high, keeping the fan speed one step lower by the end of the TX 
period.  I assume this was because there is significant thermal 
"inertia" in the amplifier but thermodynamics was never my best 
subject.  RTTY operation tends to have a regular-ish pattern of on-off, 
I never noticed the fan going to high on CW.  I suppose the FT modes 
would present an even more regular pattern.


All anecdotal Andy, I didn't bother to take any data.

73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 9/29/2019 7:38 PM, Andy Durbin wrote:

The KPA500 offers a minimum fan speed setting which is settable by menu or 
serial command.  Some posters have advocated setting a minimum fan speed higher 
than zero, presumably thinking it offers some advantage in thermal management.

Does anyone have any hard data that shows that the KPA500 runs cooler, or with 
lower peak fan speed, when minimum fan speed is set above zero.

Running a rigorous test may not be easy since it would seem to require the same 
ambient temperature, same finals starting temperature, same TX periods, and 
same antenna system load.

I'm curious because, before CQ-WW-RTTY I configured my KPA500 to set min fan 
speed to 1 at start of TX and reset min speed to zero 30 seconds after stop of 
TX.  Of course the fans ran faster than min speed during TX but I don't have 
any feel for whether the higher speeds were any more protracted than before the 
min speed change.

Please share you experience of using min fan speed greater than zero, and any 
data if you have it.

73,
Andy, k3wyc



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[Elecraft] A First Class Company

[Neil]

 Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately with a 
third world country reflector (just my opinion)
Other reflectors use the user friendly IO service. QTH.Net is not user 
friendly. I hope that they can switch to .IO. Why do I have this 
opinion? It forces the user to scroll thru many messages that a user may 
not have an interest in, and hunting to find those of interest. Using 
the .IO all one needs to do is click on the item and it is there. Just 
one "geezers" take on the issue.

73
Neil   N4FN


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Re: [Elecraft] Creaking KPA-500

[Michael Walker]

The creaking is due to the Heatsink expanding and contracting and the
screws trying to hold them in place.

It is normal and if you loosen screws, you may hear the noise go away.  If
you tighten them, you might break the screws.

I'm not sure which way it will go, but it is normal.

Mike va3mw


On Mon, Sep 30, 2019 at 1:32 PM Bob McGraw K4TAX 
wrote:

> Phil et al;
>
> My factory built KPA500 did a good be of cracking and popping for 3 or 4
> months when first received.   But it has stopped.  Guess all the metal
> parts settled into a comfortable position and all is now well.I
> considered opening it up, tightening or loosing bolts and screws.But
> procrastinator me just waited and it stopped by itself.   I  think
> that's good.
>
> Love the amp, it is a great performer.
>
> 73
>
> Bob, K4TAX
>
> On 9/30/2019 7:59 AM, Phillip Zminda wrote:
> > My kit-built KPA-500 is about 8 months old. Lately I’ve been running a
> lot of FT8 and FT4 at around 150 to 200 watts. I have really noticed a lot
> of loud creaking from the KPA-500 after a few QSOs on digital modes. The
> manual does indicate that some noise is normal but this does seem
> excessive, I don’t recall noticing it when on CW or SSB, although I haven’t
> done much contesting where the amp would have a lot of running time.
> >
> > I expect I may need to tighten some screws inside. I really don’t want
> to do any more disassembly than necessary and would prefer not to ship back
> to Elecraft either. What is the likely culprit and how much disassembly is
> required to get to the necessary screws?
> >
> > Thanks,
> >
> > Phil N3ZP
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[Elecraft] F/S: QRPWORKS SIDEKAR PLUS

[Robert S. McCuskey]

F/S: QRPWORKS SIDEKAR PLUS, like new from non- smoking environment, equipped
for use with Elecraft KX2 and KX3 (CW, PSK31, RTTY) including mounting
brackets,  wireless mini keyboard, cable to KX2/KX3 and power splitter
cables. Pictures in for sale ad on www.eham.net. Now excess to my needs. For
more details and operation manual, see www.qrpworks.com . Original total
cost $310, asking $215 shipped USPS Priority Mail,  PayPal preferred or USPS
Money Order. 73, Bob W7BV

 

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Re: [Elecraft] KPA500 - Advantage of min fan speed?

[Michael Walker]

Andy

I would call Elecraft and ask them directly. Unless they respond directly here 
in the forum everyone is just guessing

Mike



> On Sep 30, 2019, at 1:13 PM, Andy Durbin  wrote:
> 
> "I got the thresholds from Elecraft directly.
> I never worried too much about them since the Elecraft guys are pretty smart 
> people and likely have done a lot more research on this than most of us."
> 
> That's possible but they only gave you half the information.  The thresholds 
> you quoted are for increasing temperature.  The fan speed step down 
> thresholds are lower than the step up thresholds.  (I have experimental data 
> for fan speeds up to, and including, 5 but have never seen 6 except when I 
> set min speed to 6 to hear how loud it was.)
> 
> I measured the fan speed thresholds over a year ago but that information 
> doesn't answer the question about any operation advantage of running min 
> speed  greater than zero.
> 
> 73,
> Andy, k3wyc
> 
> 
> 
> 
> 
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Re: [Elecraft] KPA500 - Advantage of min fan speed?

[George Thornton]

>From a physics standpoint, heat is radiated from an object either by direct 
>radiation of heat into space (photons) or by transfer of heat to an adjacent 
>object with lower temperature.

For heat transfer to another object, the amount transferred depends 
substantially on the heat absorbing characteristics of the object.   Some 
objects are natural insulators and will result in little heat transfer.  Air is 
not an insulator but it is not as effective as water, which is 24 times as heat 
absorbing as air.  

The surface area of contact is also important.  Moving air across a hot surface 
increases the exposure of cooler air to the hot surface resulting in faster 
cooling.  In other words a faster fan will always cool more than a slower fan.




-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Don Wilhelm
Sent: Monday, September 30, 2019 10:28 AM
To: Andy Durbin ; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA500 - Advantage of min fan speed?

Andy,

Physical fact related to any heat dissipating object -- if you apply an air 
stream across the object, it will not come up to a given temperature as quickly 
as having no air stream across it.

Specifically for the amp, if you run the fan speed minimum at 1, it will heat 
to the 55 degC threshold more slowly before switching  to level 2. 
Of course, from there on up to higher temperatures, there will be the same time 
period between the higher fan speed steps.

In other words, the fan minimum will NOT shift the entire range of thresholds, 
but it WILL delay the time to reach the level 2 threshold.

73,
Don W3FPR

On 9/30/2019 1:13 PM, Andy Durbin wrote:
> 
> I measured the fan speed thresholds over a year ago but that information 
> doesn't answer the question about any operation advantage of running min 
> speed  greater than zero.
> 
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Re: [Elecraft] KPA-1500 failing on 160...AGAIN!

[Al Lorona]

And not just antenna and feedlines, but the AC wiring in your shack, the 
potential EMI problems, etc. This is why I keep saying that hams badly need a 
tutorial -- perhaps something named, "What to Expect When You Run High Power".  
There are lots of us, including me, that could learn about the extra 
precautions and checks one needs to make when you put an amplifier into 
service. Jim, maybe you're the right guy to do it?


>>>High power can expose antenna and feedline problems that are not evident 
>>>at 100W. 

>>>73, Jim K9YC
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Re: [Elecraft] K3S Wont TX in RTTY

[Rich]

Have you set the CONFIG: PTT -KEY to the proper choice for your PC 
comms?   When I say proper choice I had to test each one until I found 
the setting that works on my Laptop.   Obviously the radio must also be 
set to AFSK and not FSK


Rich

On 9/30/2019 12:59 PM, Bob McGraw K4TAX wrote:
My K3S performs as indicated below in FSK mode but does work as 
expected in AFSK A mode.   The external PTT switch, I use a foot 
switch, does put the radio in transmit in FSK mode and does transmit a 
tone related to mark/space.


73

Bob, K4TAX


On 9/29/2019 10:40 AM, Peter Chamalian wrote:
For some reason I can't find the answer to, my K3S won't go in to TX 
when in
RTTY.  It does for FT8 and all other modes but when it comes to FSK 
the PTT
is inhibited for some reason.  When in TX Data mode for RTTY I press 
the XMT

button and I get N/A on the display.


I'm sure it's some setting but which one?



Pete, W1RM

w...@comcast.net


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Re: [Elecraft] Running RTTY

[Lynn W. Taylor, WB6UUT]

Low space means fine teletype.

On 9/30/2019 6:09 AM, Ted Edwards W3TB wrote:

I am not sure whether this is a K3 question or N1MM+ question...

Working the CQWW RTTY this weekend, I found that my settings were different
on 15m than on 20/40m - in that I had to reverse the tones on 15m and
they were offset off the center frequency of the P3 where they had been on
20/40m.

What do I need to correct?
Thanks to all!


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Re: [Elecraft] Creaking KPA-500

[Bob McGraw K4TAX]

Phil et al;

My factory built KPA500 did a good be of cracking and popping for 3 or 4 
months when first received.   But it has stopped.  Guess all the metal 
parts settled into a comfortable position and all is now well.    I 
considered opening it up, tightening or loosing bolts and screws.    But 
procrastinator me just waited and it stopped by itself.   I  think 
that's good.


Love the amp, it is a great performer.

73

Bob, K4TAX

On 9/30/2019 7:59 AM, Phillip Zminda wrote:

My kit-built KPA-500 is about 8 months old. Lately I’ve been running a lot of 
FT8 and FT4 at around 150 to 200 watts. I have really noticed a lot of loud 
creaking from the KPA-500 after a few QSOs on digital modes. The manual does 
indicate that some noise is normal but this does seem excessive, I don’t recall 
noticing it when on CW or SSB, although I haven’t done much contesting where 
the amp would have a lot of running time.

I expect I may need to tighten some screws inside. I really don’t want to do 
any more disassembly than necessary and would prefer not to ship back to 
Elecraft either. What is the likely culprit and how much disassembly is 
required to get to the necessary screws?

Thanks,

Phil N3ZP
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Re: [Elecraft] KPA500 - Advantage of min fan speed?

[Don Wilhelm]

Andy,

Physical fact related to any heat dissipating object -- if you apply an 
air stream across the object, it will not come up to a given temperature 
as quickly as having no air stream across it.


Specifically for the amp, if you run the fan speed minimum at 1, it will 
heat to the 55 degC threshold more slowly before switching  to level 2. 
Of course, from there on up to higher temperatures, there will be the 
same time period between the higher fan speed steps.


In other words, the fan minimum will NOT shift the entire range of 
thresholds, but it WILL delay the time to reach the level 2 threshold.


73,
Don W3FPR

On 9/30/2019 1:13 PM, Andy Durbin wrote:


I measured the fan speed thresholds over a year ago but that information 
doesn't answer the question about any operation advantage of running min speed  
greater than zero.


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Re: [Elecraft] KPA500 - Advantage of min fan speed?

[Andy Durbin]

"I got the thresholds from Elecraft directly.
I never worried too much about them since the Elecraft guys are pretty smart 
people and likely have done a lot more research on this than most of us."

That's possible but they only gave you half the information.  The thresholds 
you quoted are for increasing temperature.  The fan speed step down thresholds 
are lower than the step up thresholds.  (I have experimental data for fan 
speeds up to, and including, 5 but have never seen 6 except when I set min 
speed to 6 to hear how loud it was.)

I measured the fan speed thresholds over a year ago but that information 
doesn't answer the question about any operation advantage of running min speed  
greater than zero.

73,
Andy, k3wyc





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Re: [Elecraft] K3S Wont TX in RTTY

[Bob McGraw K4TAX]

My K3S performs as indicated below in FSK mode but does work as expected 
in AFSK A mode.   The external PTT switch, I use a foot switch, does put 
the radio in transmit in FSK mode and does transmit a tone related to 
mark/space.


73

Bob, K4TAX


On 9/29/2019 10:40 AM, Peter Chamalian wrote:

For some reason I can't find the answer to, my K3S won't go in to TX when in
RTTY.  It does for FT8 and all other modes but when it comes to FSK the PTT
is inhibited for some reason.  When in TX Data mode for RTTY I press the XMT
button and I get N/A on the display.

  


I'm sure it's some setting but which one?

  

  


Pete, W1RM

w...@comcast.net

  


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Re: [Elecraft] KPA500 - Advantage of min fan speed?

[Michael Walker]

I got the thresholds from Elecraft directly.

I never worried too much about them since the Elecraft guys are pretty
smart people and likely have done a lot more research on this than most of
us.

Mike va3mw


On Mon, Sep 30, 2019 at 9:28 AM Mike Maloney  wrote:

> Thanks Mike for the KPA-500 fan level settings.  That answers the question
> I was going to ask.   Could find no fan level info in the owners manual or
> from previous posts.
> I don't suppose any record kept of SPL  readings at the different levels?
>   Anyone done that?
>
> 73, Mike AC5P
>
>
> On Sunday, September 29, 2019, 10:08:41 PM CDT, Michael Walker <
> va...@portcredit.net> wrote:
>
>
> Here are the thresholds
>
>
> level 1: 50 degrees
> level 2: 55 degrees
> level 3: 60 degrees
> level 4: 65 degrees
> level 5: 70 degrees
> level 6: 80 degrees
>
> if the temperature gets above 90 degrees we throw a fault and drop into
> standby (with fault showing).
>
> Mike va3mw
>
> > On Sep 29, 2019, at 10:38 PM, Andy Durbin  wrote:
> >
> > The KPA500 offers a minimum fan speed setting which is settable by menu
> or serial command.  Some posters have advocated setting a minimum fan speed
> higher than zero, presumably thinking it offers some advantage in thermal
> management.
> >
> > Does anyone have any hard data that shows that the KPA500 runs cooler,
> or with lower peak fan speed, when minimum fan speed is set above zero.
> >
> > Running a rigorous test may not be easy since it would seem to require
> the same ambient temperature, same finals starting temperature, same TX
> periods, and same antenna system load.
> >
> > I'm curious because, before CQ-WW-RTTY I configured my KPA500 to set min
> fan speed to 1 at start of TX and reset min speed to zero 30 seconds after
> stop of TX.  Of course the fans ran faster than min speed during TX but I
> don't have any feel for whether the higher speeds were any more protracted
> than before the min speed change.
> >
> > Please share you experience of using min fan speed greater than zero,
> and any data if you have it.
> >
> > 73,
> > Andy, k3wyc
> >
> >
> > __
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Re: [Elecraft] K3 LPA failure, again

[Keith Trinity WE6R]

Hi all;
Very good troubleshooting Martin.
That is not a common failure and those BYPASS caps are used everywhere.
0.1 uF,25V,20%,Y5V,0603,SMD   Elecraft part;  E530222. Digikey
490-1575-2-ND

Anything close is fine (and probably fine without it).
Keith WE6R

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[Elecraft] bad TX IMD3 from K3S, now almost no TX output

[Andy D. Hansen]

Hi All

 

Email support from Elecraft is very slow since about the beginning of 2019. 

May be due to a system change. Before it was really good! 

I own equipment ( 3xK3S, 3xP3, 1xKPA500 etc.) 

 

Therefore I turn to this group to be able to fix my K3S TX by myself.

Sending the unit for repair to Italy is no option because of crazy VAT there
( HB9 no EU).

 

How is your equipment operating ? 

 

K3S # 10490 factory assembled is now not TX working at all, based on IMD 3
(24dB, basically on all bands) and too low output problems.  

I try to troubleshoot/repair it and need further supporting technical info.

I took out the 100W PA , replaced it with an older K3 module I had -> no
improvement.

If only running the 10W module the IMD is bad and I have only limited
output.

Analyzing the output from XVERT out BNC the signal is clean and about
1mW/50Ohm.

 

1) It would be helpful among others to receive info on the DC voltages (
Bias etc.)  in the 10 and 100W module.

In order to analyze the bias voltage/ current technical info is needed. 

 

2) Is there any good way to check the QSK diodes?

I want to make sure the diodes are working well. Should I replace them?

 

 

I did measure it at XVTR OUT BNC. Output level about -1dBm to 0dBm into 50
ohms. 

Turning on the 2 Tone (Tech MD on ) and watching on the spectrum analyzer HP
8591E ( all functions auto/ cal. ok) with 10 dB 50 Ohm external attenuator
shows a

signal (2 Tone) which looks very clean down to at least  45 dB to almost
50dB on each side. Basically there is no difference on 160 or 80m or 40 . 

I can however not see expected side products (IMD3) here. May be the signal
is just very good here ( Span e.g. 10kHz, sweep 10 sec) .

In all measurements the LPA was set to about 11 watts connected to 50 Ohm DL
anyway-probably disabled by SW . After resetting KXV3B to normal IMD3 at  PL
output -no 100W engaged - very bad again with about 10dB worst case.

 

My conclusion there is again a problem in the new LPA (10W).

What is your analysis?

When I happily replaced the 10W/100W module last year (based on returned old
once later , nice service!) all looked fine and then back to same problem. 

 

Thanks for any hints from the group .

 

 

Cu, vy 73 Andy

HB9CVQ, DK2VQ, AK4IG

 

  https://www.qrz.com/db/HB9CVQ

 

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Re: [Elecraft] KPA500 - Advantage of min fan speed?

[Mike Maloney]

 Thanks Mike for the KPA-500 fan level settings.  That answers the question I 
was going to ask.   Could find no fan level info in the owners manual or from 
previous posts.I don't suppose any record kept of SPL  readings at the 
different levels?   Anyone done that?  
73, Mike AC5P

On Sunday, September 29, 2019, 10:08:41 PM CDT, Michael Walker 
 wrote:  
 
 Here are the thresholds 


level 1: 50 degrees 
level 2: 55 degrees
level 3: 60 degrees
level 4: 65 degrees
level 5: 70 degrees
level 6: 80 degrees

if the temperature gets above 90 degrees we throw a fault and drop into standby 
(with fault showing).

Mike va3mw

> On Sep 29, 2019, at 10:38 PM, Andy Durbin  wrote:
> 
> The KPA500 offers a minimum fan speed setting which is settable by menu or 
> serial command.  Some posters have advocated setting a minimum fan speed 
> higher than zero, presumably thinking it offers some advantage in thermal 
> management.
> 
> Does anyone have any hard data that shows that the KPA500 runs cooler, or 
> with lower peak fan speed, when minimum fan speed is set above zero.
> 
> Running a rigorous test may not be easy since it would seem to require the 
> same ambient temperature, same finals starting temperature, same TX periods, 
> and same antenna system load.
> 
> I'm curious because, before CQ-WW-RTTY I configured my KPA500 to set min fan 
> speed to 1 at start of TX and reset min speed to zero 30 seconds after stop 
> of TX.  Of course the fans ran faster than min speed during TX but I don't 
> have any feel for whether the higher speeds were any more protracted than 
> before the min speed change.
> 
> Please share you experience of using min fan speed greater than zero, and any 
> data if you have it.
> 
> 73,
> Andy, k3wyc
> 
> 
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Re: [Elecraft] Running RTTY

[Jim Rhodes]

FSK or AFSK? I personally run FSK and have never had such an issue. I
suspect you may have some settings saved by band that put you in reverse on
some bands.

Jim Rhodes
K0XU

On Mon, Sep 30, 2019, 08:10 Ted Edwards W3TB  wrote:

> I am not sure whether this is a K3 question or N1MM+ question...
>
> Working the CQWW RTTY this weekend, I found that my settings were different
> on 15m than on 20/40m - in that I had to reverse the tones on 15m and
> they were offset off the center frequency of the P3 where they had been on
> 20/40m.
>
> What do I need to correct?
> Thanks to all!
>
> --
> 73 de Ted Edwards, W3TB and GØPWW
>
> and thinking about operating CW:
> "Do today what others won't,
> so you can do tomorrow what others can't."
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Re: [Elecraft] KX3; Firmware Update

[AE7AP]

Is there any chance of a future firmware update including the RTC correction
factor that the KX2 has?  Also - it would be nice if the KX3 utility had the
same "Set KX2 Time" function that is in the KX2 - it makes it super quick to
recalibrate.

73,
Rob - AE7AP



--
Sent from: http://elecraft.365791.n2.nabble.com/
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[Elecraft] Running RTTY

[Ted Edwards W3TB]

I am not sure whether this is a K3 question or N1MM+ question...

Working the CQWW RTTY this weekend, I found that my settings were different
on 15m than on 20/40m - in that I had to reverse the tones on 15m and
they were offset off the center frequency of the P3 where they had been on
20/40m.

What do I need to correct?
Thanks to all!

-- 
73 de Ted Edwards, W3TB and GØPWW

and thinking about operating CW:
"Do today what others won't,
so you can do tomorrow what others can't."
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[Elecraft] Creaking KPA-500

[Phillip Zminda]

My kit-built KPA-500 is about 8 months old. Lately I’ve been running a lot of 
FT8 and FT4 at around 150 to 200 watts. I have really noticed a lot of loud 
creaking from the KPA-500 after a few QSOs on digital modes. The manual does 
indicate that some noise is normal but this does seem excessive, I don’t recall 
noticing it when on CW or SSB, although I haven’t done much contesting where 
the amp would have a lot of running time.

I expect I may need to tighten some screws inside. I really don’t want to do 
any more disassembly than necessary and would prefer not to ship back to 
Elecraft either. What is the likely culprit and how much disassembly is 
required to get to the necessary screws?

Thanks,

Phil N3ZP
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[Elecraft] K3S XMT

[Peter Chamalian]

When my K3S is in Data Mode with FSK selected, pressing the xmt button
returns N/A on the lower screen.  PTT does not put the K3S into transmit
mode either.

 

Help

 

 

Pete, W1RM

w...@comcast.net

 

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[Elecraft] K4 ship date change

[Tom Warren]

Is it true that the first K4 units will not ship until  sometime after January 
? Gee that could be into the summer. :(

73, Tom W4TMW 


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Re: [Elecraft] KPA500 - Advantage of min fan speed?

[Irwin Darack]

During CQWW RTTY this weekend I ran mine at level 3. Normally I keep it at
the  NOR setting.  When I was in the S mode the KPA500 stayed at this
level. When I was in Run mode the KPA500 would occasionally go to the
highest speed when working a pile up. My antennas are pretty much tuned and
I kept my output between 300 & 400 W.

Irwin KD3TB



On Sun, Sep 29, 2019 at 10:40 PM Andy Durbin  wrote:

> The KPA500 offers a minimum fan speed setting which is settable by menu or
> serial command.  Some posters have advocated setting a minimum fan speed
> higher than zero, presumably thinking it offers some advantage in thermal
> management.
>
> Does anyone have any hard data that shows that the KPA500 runs cooler, or
> with lower peak fan speed, when minimum fan speed is set above zero.
>
> Running a rigorous test may not be easy since it would seem to require the
> same ambient temperature, same finals starting temperature, same TX
> periods, and same antenna system load.
>
> I'm curious because, before CQ-WW-RTTY I configured my KPA500 to set min
> fan speed to 1 at start of TX and reset min speed to zero 30 seconds after
> stop of TX.  Of course the fans ran faster than min speed during TX but I
> don't have any feel for whether the higher speeds were any more protracted
> than before the min speed change.
>
> Please share you experience of using min fan speed greater than zero, and
> any data if you have it.
>
> 73,
> Andy, k3wyc
>
>
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>
-- 
Irwin KD3TB
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Re: [Elecraft] Elecraft CW Net Report

[John Oppenheimer]

Hi Kevin, A fun experiment. You were S3 at peaks with S3 urban noise.
All I could pull out was your pattern. Sending my call to match your
pattern. Ken, W0CZ, was only copy-able signal with 579 at peaks.

Station on this end, K2 at 15W with Ground Plane 19 foot vertical.

John KN5L

On 9/29/19 11:45 PM, kevinr wrote:
> Forty meters was better.  The weakest signal was from John, KN5L.  
> On peaks he was hitting S3 but in the troughs of QSB he was gone.
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