[Elecraft] ELECRAFT KSYN3A, FILTERS AND CABLES.

[Ramon Batista]

*For Sale Elecraft KSYN3A Upgrade Kit, CBLP3Y Cable Set, KPAK3AUXSE Cables
Set And CW-SSB 8 Poles Filters For K3-K3S XCVR. All Cables And KSYN3A Set
Are New. Asking Price Include Shipping And Payment Through Zelle, USPS
Money Order Or Check. QRZ Contact Information Is Good And Phone Number
239-227-9414 WD4X Ray . Details As Follow:KSYN3A - KSYN3A Upgrade
Kit(Board-Cable-Manual).  $325.00KPAK3AUXSE - KPAK3AUXSE Cables Set For
KPA500-KAT500-K3(S). $35.00CBLP3Y - CBLP3Y Cable Set For P3 To K3S KIO3B
Connection.  $30.00KFL3C - 500Hz CW 8 Poles Filter.  $90.00KFL3C - 250Hz CW
8 Poles Filter.  $90.00KFL3A - 2.8Khz SSB 8 Poles Filter.  $110.00KFL3A -
2.1Khz SSB-Data 8 Poles Filter.  $110.00RAY WD4X (239) 227-9414 .*
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[Elecraft] Ksyn3a upgrade board

[Tom]

Just a note that I got from Madelyn.

No, not my turn for the K4, but my K3syn upgrade board for my K3, non-s 
(serial # 53!) is shipping.


Inch by inch I get to move forward!

Tom K8TB


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Re: [Elecraft] KSYN3A no longer available?

[Bruce Beford]

Never mind. Still available. Found them on the site by searching for the 
upgrade kit name, K3SYN3AUPG 
-Bruce, N1RX

Sent from Mail for Windows 10

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[Elecraft] KSYN3A no longer available?

[Bruce Beford]

With the discontinuation of the K3S, I decided to take a look at the website to 
see if the KSYN3A updated synthesizer modules are still available for my 
original K3, s/n 559. It does not appear there anymore. Are these updated synth 
modules in fact, now gone?
Bruce, N1RX


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Re: [Elecraft] KSYN3A Synthesizer

[Dave Cole (NK7Z)]

Hi,
I was actually very fortunate-- he upgraded from his Collins gear to the 
Elecraft K3, then to the new synthesizers.  He only got to use his K3 
gear for a year or so, then he passed suddenly.  His son in law got the 
K3, and loves it, so the rig got a good home.


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 11/18/18 3:47 AM, Bill W4ZV wrote:

Spectacular results Dave!  You are indeed fortunate to have a good neighbor
who understands the issue and was willing to upgrade to the KSYN3A.  I can
think of several instances in my 61+ years on the air when I would have
loved to have both my neighbors and myself using KSYN3As.  This is
especially true on 160 where local signals are extremely strong (as in K0RF
being line-of-sight about 2 miles away).

Thanks for posting those results!

73,  Bill  W4ZV



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Re: [Elecraft] KSYN3A Synthesizer

[Bill W4ZV]

Spectacular results Dave!  You are indeed fortunate to have a good neighbor
who understands the issue and was willing to upgrade to the KSYN3A.  I can
think of several instances in my 61+ years on the air when I would have
loved to have both my neighbors and myself using KSYN3As.  This is
especially true on 160 where local signals are extremely strong (as in K0RF
being line-of-sight about 2 miles away).

Thanks for posting those results!

73,  Bill  W4ZV



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[Elecraft] KSYN3A Synthesizer

[Dave Cole (NK7Z)]

I have put the results of comparing the old synthesizer to the new 
synthesizer up on the web page again.  They were removed in error a few 
months ago...


The page shows a series of P3 graphs showing two K3's about 900 feet 
apart, as they both moved from the old synthesizer to the new synthesizer.


There is really quite a difference between the old and new synthesizer.

See:

www.nk7z.net

First post, just click the header...

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73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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Re: [Elecraft] KSYN3A check

[Ian White]

Hi Ian

First, make sure that CONFIG: TECH MD is set to On. You won't ever
need to change that again.

Got to CONFIG: DDS FRQ.  If the display shows 3.58something, then
you have the older KSYN3. If the display shows - - - - then it's a
KSYN3A (which doesn't have a DDS).

73 from Ian GM3SEK

>-Original Message-
>From: elecraft-boun...@mailman.qth.net [mailto:elecraft-
>boun...@mailman.qth.net] On Behalf Of G8KQW
>Sent: 31 March 2018 09:27
>To: elecraft@mailman.qth.net
>Subject: [Elecraft] KSYN3A check
>
>Hi,I've purchased a used K3 serial # < 8800, is there a way to
check
>whether
>a KSYN3A is installed from the Menu system to save taking the cover
>off?//
>Ian
>
>
>
>--
>Sent from: http://elecraft.365791.n2.nabble.com/
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[Elecraft] KSYN3A check

[G8KQW]

Hi,I've purchased a used K3 serial # < 8800, is there a way to check whether
a KSYN3A is installed from the Menu system to save taking the cover off?// 
Ian 



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Re: [Elecraft] KSYN3A INSTALL

[Rich Heineck]

Use a 5" or 6" TMP cable and hook it from J6 on the KREF3 (same as old 
synth) to either J83 or J1 on the KSYN3A.


73,
Rich  AC7MA

On 06/12/2016 09:29 AM, Michael Murphy wrote:

I am about to install a new synthesizer board in my K3.  I do not have the
2nd rx or a 2 meter module.

I am not clear on which connector(s) to hook the tmp connector(s) to.

The instructions seem to be more geared toward installing it with the 2nd
rx and/or the 2 meter module.

What am I missing?



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Re: [Elecraft] KSYN3A INSTALL

[lstavenhagen]

It would be the graphic in figure 12 on page 15 of the instructions. It hooks
up with just one tmp cable and the long one isn't used. 

It all looked like spaghetti to me too when I did the upgrade on my K3, but
that's the figure that shows the hookup for no 2 meter module and no 2nd
RX.

73,
LS
W5QD 



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[Elecraft] KSYN3A INSTALL

[Michael Murphy]

I am about to install a new synthesizer board in my K3.  I do not have the
2nd rx or a 2 meter module.

I am not clear on which connector(s) to hook the tmp connector(s) to.

The instructions seem to be more geared toward installing it with the 2nd
rx and/or the 2 meter module.

What am I missing?

-- 
---
*Michael Murphy - KI8R*

m...@ki8r.com

www.ki8r.com

*614-371-8265 (cell)*

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Re: [Elecraft] KSYN3A and QSK

[Guy Olinger K2AV]

Yes, RIT is off as are some other features for QRQ mode.

With the new syn QRQ mode becomes finally what it was intended for, a
speciality mode for doing 80 WPM full break-in. And the ridiculous less
than one millisecond TX RX TX state change budget, required to hear between
bauds at that speed, mandates a no-frills necessities only lean and mean
state change task list in the programming executed between bauds.

I would think that it's time to drop the confusing old/new QSK distinction
if new Syns are detected. Or keep and call them smooth/sharp or some such,
sharp being I want to hear as much as possible between bauds, smooth being
hear as much as can without clicky or popping sounds.

73, Guy K2AV

On Friday, November 13, 2015, ok1rp  wrote:

> Yes, it is as Guy said and I agree.
> Normal QSK is improved as reported and tested by several ops and I do not
> worry which QSK is set at 40wpm or so on my K3 with   new KSYN3A.
> I just mentioned to Barry that new QRQ mode is off when RIT is used...;)
>
> 73 - Petr, OK1RP
> -
> http://ok1rp.blogspot.com
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/KSYN3A-and-QSK-tp7610301p7610306.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] KSYN3A and QSK

[ok1rp]

Barry,

QRQ mode is off when RIT is used unfortunatelly.

73 - Petr, OK1RP



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Re: [Elecraft] KSYN3A and QSK

[Guy Olinger K2AV]

Non QRQ mode is significantly improved with the new synthesizer and many
think contest operating to 35 or 40 WPM don't gain anything by switching to
QRQ mode.

73, Guy K2AV

On Friday, November 13, 2015, ok1rp  wrote:

> Barry,
>
> QRQ mode is off when RIT is used unfortunatelly.
>
> 73 - Petr, OK1RP
>
>
>
> -
> http://ok1rp.blogspot.com
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/KSYN3A-and-QSK-tp7610301p7610304.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] KSYN3A and QSK

[ok1rp]

Yes, it is as Guy said and I agree. 
Normal QSK is improved as reported and tested by several ops and I do not
worry which QSK is set at 40wpm or so on my K3 with new KSYN3A. 
I just mentioned to Barry that new QRQ mode is off when RIT is used...;)

73 - Petr, OK1RP



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[Elecraft] KSYN3A and QSK

[Barry Simpson]

I am thinking of further upgrading my venerable K3 S/N 13** by installing
the new synthesizer boards. I have already fitted the KXV3B which is
fantastic as regards the receive preamp on 12, 10 and 6.

My question is does the installation of the KSYN3A retain the two grades of
QSK (normal and fast) or is it now always fast ? Also doess it still work
fast with RIT on etc ?

Barry Simpson  VK2BJ

Currently operating from on holiday in Vanuatu as YJ0BJ using said K3
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[Elecraft] KSYN3A Upgrade Problem with my K3

[Brian F. Wruble]

Hi all,

I just replaced main and sub-receiver synthesizer boards with the upgraded
KSYN3A boards.

I seem to have lost audio from the sub-receiver.  When I activate "SUB" and
turn the balance control fully clockwise, all I get is silence.

I have restored the last configuration that worked (with the original
synthesizer boards) but that did not help.


Visual inspection tells me I have the boards installed correctly.  Can
anyone suggest where I should be looking?

Yes, I am using the latest (5.14) firmware.

Thanks.  73 de Brian W3BW

*Brian F. Wruble, C.F.A.
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Re: [Elecraft] KSYN3A Upgrade Problem with my K3

[Brian F. Wruble]

No, I restored all my working config parameters.

I just found something:

It works with headphones, not with a speaker.  I must have something setup
wrong.


*Brian F. Wruble, C.F.A.






On Mon, Nov 2, 2015 at 6:26 PM, Jim Sheldon <w...@cox.net> wrote:

> Check your menu items?  Maybe the KRX3 got accidentally shifted to "Not
> Installed"?  Also check the selections for audio output control in the menu.
>
> -- Original Message --
> From: "Brian F. Wruble" <bwru...@gmail.com>
> To: wb6r...@mac.com
> Cc: "Elecraft Reflector" <elecraft@mailman.qth.net>
> Sent: 11/2/2015 5:07:33 PM
> Subject: Re: [Elecraft] KSYN3A Upgrade Problem with my K3
>
> I have.  They are in the right places, and wiggling makes no difference.
>>
>> I also am getting "SYN1 OK" and "SYN2 OK" indications.
>>
>>
>> *Brian F. Wruble, C.F.A.
>>
>>
>>
>>
>>
>>
>> On Mon, Nov 2, 2015 at 5:58 PM, <wb6r...@mac.com> wrote:
>>
>>  Check the TMP cables. - GL - Steve WB6RSE
>>>
>>>  On Nov 2, 2015, at 2:54 PM, Brian F. Wruble <bwru...@gmail.com> wrote:
>>>
>>>
>>>  Visual inspection tells me I have the boards installed correctly.  Can
>>>  anyone suggest where I should be looking?
>>>
>>>
>>> __
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Re: [Elecraft] KSYN3A Upgrade Problem with my K3

[Brian F. Wruble]

OK.  It works with headphones, and Craig at Elecraft told me to change
SPKRS=2 to SPKRS=1, and now it works.  I think it probably never worked
with the speaker, and as I always use a headset, I never noticed before.

Thanks to Craig for the help!

73 de Brian W3BW

CASE CLOSED


*Brian F. Wruble, C.F.A.






On Mon, Nov 2, 2015 at 6:26 PM, Jim Sheldon <w...@cox.net> wrote:

> Check your menu items?  Maybe the KRX3 got accidentally shifted to "Not
> Installed"?  Also check the selections for audio output control in the menu.
>
> -- Original Message --
> From: "Brian F. Wruble" <bwru...@gmail.com>
> To: wb6r...@mac.com
> Cc: "Elecraft Reflector" <elecraft@mailman.qth.net>
> Sent: 11/2/2015 5:07:33 PM
> Subject: Re: [Elecraft] KSYN3A Upgrade Problem with my K3
>
> I have.  They are in the right places, and wiggling makes no difference.
>>
>> I also am getting "SYN1 OK" and "SYN2 OK" indications.
>>
>>
>> *Brian F. Wruble, C.F.A.
>>
>>
>>
>>
>>
>>
>> On Mon, Nov 2, 2015 at 5:58 PM, <wb6r...@mac.com> wrote:
>>
>>  Check the TMP cables. - GL - Steve WB6RSE
>>>
>>>  On Nov 2, 2015, at 2:54 PM, Brian F. Wruble <bwru...@gmail.com> wrote:
>>>
>>>
>>>  Visual inspection tells me I have the boards installed correctly.  Can
>>>  anyone suggest where I should be looking?
>>>
>>>
>>> __
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Re: [Elecraft] KSYN3A Upgrade Problem with my K3

[Brian F. Wruble]

I have.  They are in the right places, and wiggling makes no difference.

I also am getting "SYN1 OK" and "SYN2 OK" indications.


*Brian F. Wruble, C.F.A.






On Mon, Nov 2, 2015 at 5:58 PM,  wrote:

> Check the TMP cables. - GL - Steve WB6RSE
>
> On Nov 2, 2015, at 2:54 PM, Brian F. Wruble  wrote:
>
>
> Visual inspection tells me I have the boards installed correctly.  Can
> anyone suggest where I should be looking?
>
>
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Re: [Elecraft] KSYN3A Upgrade Problem with my K3

[Jim Sheldon]

Sent from my iPad

> On Nov 2, 2015, at 5:07 PM, Brian F. Wruble  wrote:
> 
> I have.  They are in the right places, and wiggling makes no difference.
> 
> I also am getting "SYN1 OK" and "SYN2 OK" indications.
> 
> 
> *Brian F. Wruble, C.F.A.
> 
> 
> 
> 
> 
> 
>> On Mon, Nov 2, 2015 at 5:58 PM,  wrote:
>> 
>> Check the TMP cables. - GL - Steve WB6RSE
>> 
>> On Nov 2, 2015, at 2:54 PM, Brian F. Wruble  wrote:
>> 
>> 
>> Visual inspection tells me I have the boards installed correctly.  Can
>> anyone suggest where I should be looking?
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Re: [Elecraft] KSYN3A Upgrade Problem with my K3

[Jim Sheldon]

Check your menu items?  Maybe the KRX3 got accidentally shifted to "Not 
Installed"?  Also check the selections for audio output control in the 
menu.


-- Original Message --
From: "Brian F. Wruble" <bwru...@gmail.com>
To: wb6r...@mac.com
Cc: "Elecraft Reflector" <elecraft@mailman.qth.net>
Sent: 11/2/2015 5:07:33 PM
Subject: Re: [Elecraft] KSYN3A Upgrade Problem with my K3

I have.  They are in the right places, and wiggling makes no 
difference.


I also am getting "SYN1 OK" and "SYN2 OK" indications.


*Brian F. Wruble, C.F.A.






On Mon, Nov 2, 2015 at 5:58 PM, <wb6r...@mac.com> wrote:


 Check the TMP cables. - GL - Steve WB6RSE

 On Nov 2, 2015, at 2:54 PM, Brian F. Wruble <bwru...@gmail.com> 
wrote:



 Visual inspection tells me I have the boards installed correctly.  
Can

 anyone suggest where I should be looking?



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[Elecraft] KSYN3A synthesizer question

[KD3TB]

I have an older K3 with a sub receiver that I am thinking of upgrading.
This is a second radio that I use at my beach house. If I rarely use the sub
receiver, can I just upgrade the main receiver board  with one KSYN3A
synthesizer or do I need to purchase two KSYN3A synthesizers?

 

Irwin Darack - KD3TB

 

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Re: [Elecraft] KSYN3A synthesizer question

[Bill Frantz]

Unless you want to remove the sub receiver, you will need two new synths.

73 Bill AE6JV

On 10/26/15 at 2:55 PM, idar...@gmail.com (KD3TB) wrote:

> I have an older K3 with a sub receiver that I am thinking of upgrading.
> This is a second radio that I use at my beach house. If I rarely use the sub
> receiver, can I just upgrade the main receiver board  with one KSYN3A
> synthesizer or do I need to purchase two KSYN3A synthesizers?

-
Bill Frantz| Re: Hardware Management Modes: | Periwinkle
(408)356-8506  | If there's a mode, there's a   | 16345 Englewood Ave
www.pwpconsult.com | failure mode. - Jerry Leichter | Los Gatos, CA 95032

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Re: [Elecraft] KSYN3A synthesizer question

[Ron D'Eau Claire]

You need two. The K3 cannot handle one of each in the same receiver.

73, Ron AC7AC

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of KD3TB
Sent: Monday, October 26, 2015 2:56 PM
To: 'Elecraft Reflector'
Subject: [Elecraft] KSYN3A synthesizer question

I have an older K3 with a sub receiver that I am thinking of upgrading.
This is a second radio that I use at my beach house. If I rarely use the sub
receiver, can I just upgrade the main receiver board  with one KSYN3A
synthesizer or do I need to purchase two KSYN3A synthesizers?

 

Irwin Darack - KD3TB

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[Elecraft] KSYN3A Problem

[Ed Muns]

Earlier in the year I installed two KSYN3A boards in a K3 using FW 5.01.
The installation went fine and the radio has been used extensively all
year.  Yesterday, I updated the FW from 5.01 to 5.35 along with the later
DSP and FP versions.  I then restored a K3 Configuration I had saved prior
to the KSYN3A installation.  Now the radio won't receive or transmit and I
suspect this is due to it thinking the old KSYN3 boards are installed.  CONFIG
shows VCO MD and DDS FRQ values rather than dashes.  Also, DISP shows PLL1
and PLL2 rather than SYN1 and SYN2.

How do I fix this?

Ed W0YK
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Re: [Elecraft] KSYN3A mod problem

[David Woolley]

Ethanol and Isopropyl Alcohol are almost as polar as water.  That's why 
they mix so well with water.


https://en.wikipedia.org/wiki/Solvent

According to its Wikipedia entry, ethanol doesn't even mix well with 
heavy oils.  Isopropanol is better.

--
David Woolley
Owner K2 06123

On 09/09/15 01:51, Fred Townsend wrote:


Water is not a problem. You want the water to pick up the water because
alcohol is a non-polar solvent meaning it does not pick up the ionic
contamination. The water picks up the ions and alcohol picks up the water.
Conclusion rubbing alcohol containing water works just fine although the




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Re: [Elecraft] KSYN3A mod problem

[Ian White]

>Don:
>Acetone should NEVER be used in electronic assembles. Acetone 
>causes both long and short term effects on various components 
>including the PCB. It effects epoxy, lacquers, paints, and plastics, 
>particularly polystyrenes
[...]
>73, Fred, AE6QL

Chemicals intended for use around electronic components, including PC
boards, have been formulated according to an industry-wide "Non
Aggression Agreement". This aims to ensure that chemicals such as flux
cleaners and contact cleaners will not damage the plastics that are used
in the majority of components. In return, component manufacturers try to
avoid using plastics that would be damaged by solvents in common use. 

Undiluted acetone is not part of that agreement because it's simply too
aggressive, as Fred describes. 

Although electronics-grade solvents are more expensive than bulk
commodity solvents like acetone, for peace of mind they are worth the
extra cost.


73 from Ian GM3SEK


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Re: [Elecraft] KSYN3A mod problem

[David Woolley]

PCBs (FR-4) are glass reinforced epoxy, not polyester (I think the old, 
brown ones (SRBP) are paper reinforced urea-formaldehyde).  Also the 
resin component is cross-linked, whereas the article is talking about 
thinning the uncured (un-crosslinked) resin. (Glass reinforced polyester 
is used in car body repairs because it is cheaper than epoxy.)


I'm not saying that acetone is a good thing to use on electronics, only 
that the rationale in relation to PCBs is flawed.


Incidentally, methanol, an alcohol, softens, but doesn't dissolve, cured 
epoxy.


--
David Woolley
Owner/builder K2 06123

On 08/09/15 00:02, Fred Townsend wrote:


From Wikipedia:

Acetone is a good solvent for many plastics and some synthetic fibers. It is
used for thinning polyester resin, cleaning tools used with it, and
dissolving two-part epoxies and superglue before they harden. It is used as
one of the volatile components of some paints and varnishes.

Polyester resin, also called gel coat, in case you don't know, is the stuff
PC boards are made of. Leave acetone in the paint department where it
belongs. I suggest alcohol, any kind as long as it pure, be used for
de-fluxing PC boards.


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Re: [Elecraft] KSYN3A mod problem

[ae4pb]

When you purchase alcohol to use as cleanup it's best to get the highest
concentration you can get, else, there is a risk of it leaving a residue and
the evaporation rate is much slower. Most drug stores sell 91% or higher if
you ask/look for it. 60% is more common. Higher % is better for cleaning and
evaporates more cleanly.
Jer


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ian
White
Sent: Tuesday, September 08, 2015 4:09 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KSYN3A mod problem

>Don:
>Acetone should NEVER be used in electronic assembles. Acetone causes 
>both long and short term effects on various components including the 
>PCB. It effects epoxy, lacquers, paints, and plastics, particularly 
>polystyrenes
[...]
>73, Fred, AE6QL

Chemicals intended for use around electronic components, including PC
boards, have been formulated according to an industry-wide "Non Aggression
Agreement". This aims to ensure that chemicals such as flux cleaners and
contact cleaners will not damage the plastics that are used in the majority
of components. In return, component manufacturers try to avoid using
plastics that would be damaged by solvents in common use. 

Undiluted acetone is not part of that agreement because it's simply too
aggressive, as Fred describes. 

Although electronics-grade solvents are more expensive than bulk commodity
solvents like acetone, for peace of mind they are worth the extra cost.


73 from Ian GM3SEK


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Re: [Elecraft] KSYN3A mod problem

[Mike Morrow]

> Food grade EverClear is 100% alcohol...

Not quite.  Pure ethanol is a *practical* impossibility.

 https://en.m.wikipedia.org/wiki/Everclear_(alcohol)

It comes in 75.5 percent (151 proof) and 95 percent ethanol (190 proof) 
varieties.  Sale of the 95 percent is banned in some states.

The 91 percent drug store denatured alcohol would be as good a choice for all 
practical purposes...except consumption.

Mike / KK5F
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Re: [Elecraft] KSYN3A mod problem

[David Christ]

One other thing to consider that can make a difference in some cases.  There 
are three types of alcohol commonly available.  Methanol often used as shellac 
thinner, ethanol, booze if you wish, which EverClear is, and isopropyl which is 
often found in rubbing alcohol sold in drugstores.  They vary in toxicity and 
can react differently with some materials.  You chemists out there can 
enlightens further.

David K0LUM


On Sep 8, 2015, at 8:38 AM, Marc Veeneman  wrote:

> Food grade EverClear is 100% alcohol but government classified in the U.S. as 
> a taxable beverage.  Buy it at a liquor store.
> -- 
> Marc  W8SDG
> 
> 
> 
> 
>> On Sep 8, 2015, at 9:14 AM,  
>>  wrote:
>> 
>> When you purchase alcohol to use as cleanup it's best to get the highest
>> concentration you can get, else, there is a risk of it leaving a residue and
>> the evaporation rate is much slower. Most drug stores sell 91% or higher if
>> you ask/look for it. 60% is more common. Higher % is better for cleaning and
>> evaporates more cleanly.
>> Jer
>> 
> __

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Re: [Elecraft] KSYN3A mod problem

[Hisashi T Fujinaka]

You can get denatured alcohol from the hardware store, but I think that
can contain methanol which I wouldn't suggest using because of toxicity
and because it melts more things than ethanol. Methanol will go through
your skin so you need ventilation and the correct gloves.

Rubbing alcohol from the drugstore can contain some oils that you don't
want.

If you can get Everclear in your state and you can afford the tax on it,
I'd say buy that.

On Tue, 8 Sep 2015, Mike Morrow wrote:




Food grade EverClear is 100% alcohol...


Not quite.  Pure ethanol is a *practical* impossibility.

https://en.m.wikipedia.org/wiki/Everclear_(alcohol)

It comes in 75.5 percent (151 proof) and 95 percent ethanol (190 proof) 
varieties.  Sale of the 95 percent is banned in some states.

The 91 percent drug store denatured alcohol would be as good a choice for all 
practical purposes...except consumption.

Mike / KK5F
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--
Hisashi T Fujinaka - ht...@twofifty.com
BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee
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Re: [Elecraft] KSYN3A mod problem

[Fred Townsend]

Gentlemen: 
Water is not a problem. You want the water to pick up the water because
alcohol is a non-polar solvent meaning it does not pick up the ionic
contamination. The water picks up the ions and alcohol picks up the water.
Conclusion rubbing alcohol containing water works just fine although the
50/50 cheap stuff now sold is not as good as the 70/30 or 91/09. Best way to
clean is to blot and or air squeegee the liquid off. Don't let it evaporate.
That leaves the sold residues behind. When finished cleaning if you still
have worries about water then bake out your board at 90 to 95 degrees C. 30
minutes is all that is needed.

73,
Fred, AE6QL

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
ae...@carolinaheli.com
Sent: Tuesday, September 8, 2015 6:15 AM
To: 'Ian White'; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KSYN3A mod problem

When you purchase alcohol to use as cleanup it's best to get the highest
concentration you can get, else, there is a risk of it leaving a residue and
the evaporation rate is much slower. Most drug stores sell 91% or higher if
you ask/look for it. 60% is more common. Higher % is better for cleaning and
evaporates more cleanly.
Jer


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ian
White
Sent: Tuesday, September 08, 2015 4:09 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KSYN3A mod problem

>Don:
>Acetone should NEVER be used in electronic assembles. Acetone causes 
>both long and short term effects on various components including the 
>PCB. It effects epoxy, lacquers, paints, and plastics, particularly 
>polystyrenes
[...]
>73, Fred, AE6QL

Chemicals intended for use around electronic components, including PC
boards, have been formulated according to an industry-wide "Non Aggression
Agreement". This aims to ensure that chemicals such as flux cleaners and
contact cleaners will not damage the plastics that are used in the majority
of components. In return, component manufacturers try to avoid using
plastics that would be damaged by solvents in common use. 

Undiluted acetone is not part of that agreement because it's simply too
aggressive, as Fred describes. 

Although electronics-grade solvents are more expensive than bulk commodity
solvents like acetone, for peace of mind they are worth the extra cost.


73 from Ian GM3SEK


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Re: [Elecraft] KSYN3A mod problem

[Marc Veeneman]

Food grade EverClear is 100% alcohol but government classified in the U.S. as a 
taxable beverage.  Buy it at a liquor store.
-- 
Marc  W8SDG




> On Sep 8, 2015, at 9:14 AM,   
> wrote:
> 
> When you purchase alcohol to use as cleanup it's best to get the highest
> concentration you can get, else, there is a risk of it leaving a residue and
> the evaporation rate is much slower. Most drug stores sell 91% or higher if
> you ask/look for it. 60% is more common. Higher % is better for cleaning and
> evaporates more cleanly.
> Jer
> 
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Re: [Elecraft] KSYN3A mod problem

[Fred Townsend]

Don:
Acetone should NEVER be used in electronic assembles. Acetone causes both
long and short term effects on various components including the PCB. It
effects epoxy, lacquers, paints, and plastics, particularly polystyrenes
where its effects are almost instantaneous.  Pour some in a polystyrene cup
and watch it immediately cloud up.

>From Wikipedia:
Acetone is a good solvent for many plastics and some synthetic fibers. It is
used for thinning polyester resin, cleaning tools used with it, and
dissolving two-part epoxies and superglue before they harden. It is used as
one of the volatile components of some paints and varnishes. 

Polyester resin, also called gel coat, in case you don't know, is the stuff
PC boards are made of. Leave acetone in the paint department where it
belongs. I suggest alcohol, any kind as long as it pure, be used for
de-fluxing PC boards.  

73, Fred, AE6QL
-Original Message- 
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Don
Wilhelm
Sent: Monday, September 7, 2015 2:43 PM
To: Nick Lelyak
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KSYN3A mod problem

Nick,

Yes, but it fails when it cools again - something is not making good
contact, and it may be residue from the cleaner.  I can't be certain of
that, but I would get that cleaner residue off and try again.

I would suggest that you remove the cleaner residue from the contacts with
acetone - apply it with a brush or cotton swab and immediately wipe the area
with a clean cloth of paper towel.  Do only a few pins at a time, and do not
let the acetone dry on the contacts or board.
You may want to mate and unmate the front panel and RF board several times,
cleaning between each to hopefully clean some of the 'goop' out of the
female header.

If you do not have gold pins on the connector to the front panel, consider
asking Elecraft for the gold replacement pins.

73,
Don W3FPR

On 9/7/2015 5:27 PM, Nick Lelyak wrote:
> Thanks Don, Guy
> appreciate yours quick response.
> I found out that problem disappears when front panel warms up to 37 C 
> and more.
> Looks like problem somewhere in FP. To clean main connector I used 
> Electronic Contact Cleaner. It may works not so good as Deoxit which 
> is not widely available in Canada. In any case to move on have to buy 
> Deoxit first.
> Thanks again
>
> 73, Nick VE3FJ
>

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Re: [Elecraft] KSYN3A mod problem

[Wes (N7WS)]

Disband the terrorist EPA (A terrific idea regardless) and we could go back to 
Freon vapor degreasers.


On 9/7/2015 5:05 PM, Don Wilhelm wrote:

Fred,

Gary and I both have been using acetone for a long time.
If the board is flooded, the results can be catastrophic since residue flows 
under components and makes a mess.
But carefully applied with a swab or small brush to a small area and mopped up 
with a paper towel it will do the job very well. The contact time *must* be 
short, and that is why one must work in small areas.


Yes, alcohol can do a good job of cleaning flux too, but needs to have the 
same precautions - it can make just as much of a mess or more because alcohol 
attracts water vapor and causes it to condense on the surface being worked.  
Dip an opaque object in alcohol and remove it with a paper towel - note that 
the object will be wet with moisture.


Besides, the job for the particular problem stated was not flux removal, but 
removal of some unknown compound from connector pins. Alcohol is likely to be 
ineffective.


73,
Don W3FPR



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Re: [Elecraft] KSYN3A mod problem

[Don Wilhelm]

Fred,

Gary and I both have been using acetone for a long time.
If the board is flooded, the results can be catastrophic since residue 
flows under components and makes a mess.
But carefully applied with a swab or small brush to a small area and 
mopped up with a paper towel it will do the job very well.  The contact 
time *must* be short, and that is why one must work in small areas.


Yes, alcohol can do a good job of cleaning flux too, but needs to have 
the same precautions - it can make just as much of a mess or more 
because alcohol attracts water vapor and causes it to condense on the 
surface being worked.  Dip an opaque object in alcohol and remove it 
with a paper towel - note that the object will be wet with moisture.


Besides, the job for the particular problem stated was not flux removal, 
but removal of some unknown compound from connector pins. Alcohol is 
likely to be ineffective.


73,
Don W3FPR

On 9/7/2015 7:02 PM, Fred Townsend wrote:

Don:
Acetone should NEVER be used in electronic assembles. Acetone causes both
long and short term effects on various components including the PCB. It
effects epoxy, lacquers, paints, and plastics, particularly polystyrenes
where its effects are almost instantaneous.  Pour some in a polystyrene cup
and watch it immediately cloud up.

>From Wikipedia:
Acetone is a good solvent for many plastics and some synthetic fibers. It is
used for thinning polyester resin, cleaning tools used with it, and
dissolving two-part epoxies and superglue before they harden. It is used as
one of the volatile components of some paints and varnishes.

Polyester resin, also called gel coat, in case you don't know, is the stuff
PC boards are made of. Leave acetone in the paint department where it
belongs. I suggest alcohol, any kind as long as it pure, be used for
de-fluxing PC boards.

73, Fred, AE6QL
-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Don
Wilhelm
Sent: Monday, September 7, 2015 2:43 PM
To: Nick Lelyak
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KSYN3A mod problem

Nick,

Yes, but it fails when it cools again - something is not making good
contact, and it may be residue from the cleaner.  I can't be certain of
that, but I would get that cleaner residue off and try again.

I would suggest that you remove the cleaner residue from the contacts with
acetone - apply it with a brush or cotton swab and immediately wipe the area
with a clean cloth of paper towel.  Do only a few pins at a time, and do not
let the acetone dry on the contacts or board.
You may want to mate and unmate the front panel and RF board several times,
cleaning between each to hopefully clean some of the 'goop' out of the
female header.

If you do not have gold pins on the connector to the front panel, consider
asking Elecraft for the gold replacement pins.

73,
Don W3FPR

On 9/7/2015 5:27 PM, Nick Lelyak wrote:

Thanks Don, Guy
appreciate yours quick response.
I found out that problem disappears when front panel warms up to 37 C
and more.
Looks like problem somewhere in FP. To clean main connector I used
Electronic Contact Cleaner. It may works not so good as Deoxit which
is not widely available in Canada. In any case to move on have to buy
Deoxit first.
Thanks again

73, Nick VE3FJ


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Re: [Elecraft] KSYN3A mod problem

[Don Wilhelm]

Nick,

Yes, but it fails when it cools again - something is not making good 
contact, and it may be residue from the cleaner.  I can't be certain of 
that, but I would get that cleaner residue off and try again.


I would suggest that you remove the cleaner residue from the contacts 
with acetone - apply it with a brush or cotton swab and immediately wipe 
the area with a clean cloth of paper towel.  Do only a few pins at a 
time, and do not let the acetone dry on the contacts or board.
You may want to mate and unmate the front panel and RF board several 
times, cleaning between each to hopefully clean some of the 'goop' out 
of the female header.


If you do not have gold pins on the connector to the front panel, 
consider asking Elecraft for the gold replacement pins.


73,
Don W3FPR

On 9/7/2015 5:27 PM, Nick Lelyak wrote:

Thanks Don, Guy
appreciate yours quick response.
I found out that problem disappears when front panel warms up to 37 C
and more.
Looks like problem somewhere in FP. To clean main connector I used
Electronic Contact Cleaner. It may works not so good as Deoxit which
is not widely available in Canada. In any case to move on have to buy 
Deoxit first.

Thanks again

73, Nick VE3FJ



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Re: [Elecraft] KSYN3A mod problem

[Nick Lelyak]

yes Don,
problem comes on again after radio cools down.
Pins were properly cleaned from residue, but they
are not gold plated and I black spots on some of them had left after
cleaning with contact cleaner. So I decided buy recommended cleaner first

Thanks

Nick

On Mon, Sep 7, 2015 at 5:43 PM, Don Wilhelm  wrote:

> Nick,
>
> Yes, but it fails when it cools again - something is not making good
> contact, and it may be residue from the cleaner.  I can't be certain of
> that, but I would get that cleaner residue off and try again.
>
> I would suggest that you remove the cleaner residue from the contacts with
> acetone - apply it with a brush or cotton swab and immediately wipe the
> area with a clean cloth of paper towel.  Do only a few pins at a time, and
> do not let the acetone dry on the contacts or board.
> You may want to mate and unmate the front panel and RF board several
> times, cleaning between each to hopefully clean some of the 'goop' out of
> the female header.
>
> If you do not have gold pins on the connector to the front panel, consider
> asking Elecraft for the gold replacement pins.
>
> 73,
> Don W3FPR
>
> On 9/7/2015 5:27 PM, Nick Lelyak wrote:
>
> Thanks Don, Guy
> appreciate yours quick response.
> I found out that problem disappears when front panel warms up to 37 C
> and more.
> Looks like problem somewhere in FP. To clean main connector I used
> Electronic Contact Cleaner. It may works not so good as Deoxit which
> is not widely available in Canada. In any case to move on have to buy
> Deoxit first.
> Thanks again
>
> 73, Nick VE3FJ
>
>
>
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Re: [Elecraft] KSYN3A mod problem

[Nick Lelyak]

Thanks Don, Guy
appreciate yours quick response.
I found out that problem disappears when front panel warms up to 37 C
and more.
Looks like problem somewhere in FP. To clean main connector I used
Electronic Contact Cleaner. It may works not so good as Deoxit which
is not widely available in Canada. In any case to move on have to buy
Deoxit first.
Thanks again

73, Nick VE3FJ


On Mon, Sep 7, 2015 at 4:00 PM, Don Wilhelm  wrote:

> Nick,
>
> I don't think it is related to the synthesizer, but go through the other
> things you did (cleaning the Front Panel connector and some other boards) -
> you should unplug those, and depending on how you "cleaned" the connectors,
> wipe them carefully and reassemble.
> Work on each connector one at a time and test again after each one.
>
> 73,
> Don W3FPR
>
>
> On 9/7/2015 2:41 PM, Nick Lelyak wrote:
>
>> Hi,
>> have replaced old synthesizer in my K3 for new KSYN3A and have problem
>> with
>> this modification.
>> Changing frequency by VFO A or VFO B several kHz up or down switches mode
>> to reverse
>> (CW to CWR, USB to LSB), frequency on display jumps 1 mHz lower ( ex.
>> 14015.00 > 13015.00,
>> 1830.00 > 0830.00 etc.) and band pass filters relay click can be heard at
>> the same moment.
>> After switching 1 mHz lower rotating VFO A frequency changes as it should,
>> nothing clicking, mode is not reversing but radio is far away from amateur
>> band.
>> After keeping radio an hour or so on and warming it up problem disappears.
>> K3 has no sub receiver installed. Firmware 5.33
>> Front panel connector and some other on boards around synthesizer were
>> cleaned.
>> When I put original synthesizer back problem didn't disappear and was
>> exactly same as with new unit.
>> I would appreciate any ideas to locate and fix this problem.
>> Thank you in advance
>>
>>
>>
>
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Re: [Elecraft] KSYN3A mod problem

[Don Wilhelm]

Nick,

I don't think it is related to the synthesizer, but go through the other 
things you did (cleaning the Front Panel connector and some other 
boards) - you should unplug those, and depending on how you "cleaned" 
the connectors, wipe them carefully and reassemble.

Work on each connector one at a time and test again after each one.

73,
Don W3FPR

On 9/7/2015 2:41 PM, Nick Lelyak wrote:

Hi,
have replaced old synthesizer in my K3 for new KSYN3A and have problem with
this modification.
Changing frequency by VFO A or VFO B several kHz up or down switches mode
to reverse
(CW to CWR, USB to LSB), frequency on display jumps 1 mHz lower ( ex.
14015.00 > 13015.00,
1830.00 > 0830.00 etc.) and band pass filters relay click can be heard at
the same moment.
After switching 1 mHz lower rotating VFO A frequency changes as it should,
nothing clicking, mode is not reversing but radio is far away from amateur
band.
After keeping radio an hour or so on and warming it up problem disappears.
K3 has no sub receiver installed. Firmware 5.33
Front panel connector and some other on boards around synthesizer were
cleaned.
When I put original synthesizer back problem didn't disappear and was
exactly same as with new unit.
I would appreciate any ideas to locate and fix this problem.
Thank you in advance




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[Elecraft] KSYN3A mod problem

[Nick Lelyak]

Hi,
have replaced old synthesizer in my K3 for new KSYN3A and have problem with
this modification.
Changing frequency by VFO A or VFO B several kHz up or down switches mode
to reverse
(CW to CWR, USB to LSB), frequency on display jumps 1 mHz lower ( ex.
14015.00 > 13015.00,
1830.00 > 0830.00 etc.) and band pass filters relay click can be heard at
the same moment.
After switching 1 mHz lower rotating VFO A frequency changes as it should,
nothing clicking, mode is not reversing but radio is far away from amateur
band.
After keeping radio an hour or so on and warming it up problem disappears.
K3 has no sub receiver installed. Firmware 5.33
Front panel connector and some other on boards around synthesizer were
cleaned.
When I put original synthesizer back problem didn't disappear and was
exactly same as with new unit.
I would appreciate any ideas to locate and fix this problem.
Thank you in advance

Nick, VE3FJ
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[Elecraft] KSYN3A Upgrade Observations

[Tighe Kuykendall]

Interesting observations after upgrading my K3 to the KSYN3A this evening.

1. I was already running 5.14 firmware.  After installation I upgraded 
to 5.29 but the DSP was already at 2.83 so I only sent the MCU and FPF 
firmware. After the upgrade I started getting ERR DSE. Reflash of all 
firmware corrected the problem.


2. I had recent success with the TX gain calibration for the 5.14 
upgrade.  After fixing the ERR DSE issue with the firmware reload, the 
5w TX gain calibration failed on 40m with error of it settling on 5.4w. 
 I'm using the latest K3 utility on a Mac to perform the calibration. 
I ran it again with the same result but this time proceeded on to the 
50w calibration which succeeded.  I then re-ran the 5w calibration and 
it was successful.


All is working well now and I'm happy with the upgrade.

Tighe
NK4I


--
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NK4I  |  www.NK4I.com  |  @NK4I
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[Elecraft] KSYN3A dead?

[Enrico Lorenzoni IU3AZC]

Hi everyone, today I turned on my K3 and I can't receive any signal in 
any band.

Then I tried to tune and power out is 0.0w.
My k3 has two ksyn3a, but in the menu I see DDS FRQ and VCO MD; also 
tapping DISP I see PLL1 and PLL2 (with value ranging from 2.9 to 3.1)

So it looks like the K3 doesn't recognize the two syn.
Fw rew is 5.14
Any hint? I have not opened it yet.
I have the old PLL if needed

thanks
IU3AZC Enrico
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Re: [Elecraft] KSYN3A dead?

[ok1rp]

Hi Enrico,

The correct status for KSYN3A boards in TECH MD: ON is OK! So you should see
SYN1 OK and SYN2 OK if you have both installed. The latest KSYN3A boards
should work with 5.14 or later.

Please open K3 and at first check if your cables are connected to right
boards (not swapped by accident) and if all connectors are properly plugged
in and have proper contacts please. It is common issue the TMP connectors
has bad contact on the synths boards.

Hope it helps,

73 - Petr, OK1RP



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Re: [Elecraft] KSYN3A dead?

[Enrico Lorenzoni IU3AZC]

Hi Petr, I have two ksyn installed, and both worked fine for some months.
I did not open my K3 in the last weeks, and two days ago my K3 was ok, 
so this happened without touching anything.
An italian OM had another problem with a deprogrammed SYN. I wonder if 
Elecraft is aware of this and who's gonna pay the cost to reprogram it?


thanks for the reply
73 de Enrico IU3AZC


Il 04/08/2015 16:55, ok1rp ha scritto:

Hi Enrico,

The correct status for KSYN3A boards in TECH MD: ON is OK! So you should see
SYN1 OK and SYN2 OK if you have both installed. The latest KSYN3A boards
should work with 5.14 or later.

Please open K3 and at first check if your cables are connected to right
boards (not swapped by accident) and if all connectors are properly plugged
in and have proper contacts please. It is common issue the TMP connectors
has bad contact on the synths boards.

Hope it helps,

73 - Petr, OK1RP



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Re: [Elecraft] KSYN3A dead?

[ok1rp]

Hi Enrico,

aha, so it sounds like more serious issue. 
I never heard about the issue with erased synthesizer but if it happened to
your friend then its time to contact Elecraft.
I am so sorry that I can not help you more my friend.
Let us know please about the progress.

best regards,
73 - Petr, OK1RP



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Re: [Elecraft] KSYN3A + KSYN3

[Thomas Schaefer]

I just went thought this process and the new KRX3 comes with the new synth. I 
had to pick up a new synth to replace the old one in the main receiver as they 
have to match. 

It only took 12 hours to do it all including redoing the filters in the 
receiver because I did not read the manual close enough and my 
mis-understanding of the implication of “optional steps” regarding the 
connection to the KAT3 tuner for the KRX3.

Hence, I am the cautionary tale about not reading the manual :)

But, I will say that doing this work makes me sorry I did not buy the kits for 
both K3s--that would be the plural of K3 versus a K3S :). It was GREAT FUN to 
install the sub receiver. I really enjoyed the fact that when someone was 
explaining routing the TMP cables, and installing the new pre-amp, I could see 
the exact parts and how they fit together. It made something abstract quite 
real and I like that.

Regards,

Tom Schaefer, NY4I
727-437-2771

P.S. Drowning in email? I use SaneBox to instantly clean up my Inbox: 
http://sanebox.com/t/gdaz7





 On Jun 22, 2015, at 10:35 AM, Yngvi (TF3Y) t...@tf3y.net wrote:
 
 As long as you buy a new KRX3-A I guess it would come with a KSYN3A.
 
 73, Yngvi TF3Y
 
 On Mon, Jun 22, 2015 at 12:59 AM, Russ mundschen...@msn.com wrote:
 
 All:
 
 For those of you who don't read instructions like me - remember to
 download and install the latest K3 utility before uploading the new 5.14
 firmware (or above) - otherwise you may get an FPF load error.
 
 Question - if I decide to install a KRX3 later, can I reuse the old KSYN3
 for it - can the old KSYN3 and the new KSYN3A coexist in the same box?  OK
 - call me cheap / thrifty / cost effective or just stupid if you want  :}
 
 Thanks, Russ KD4JO
 
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Re: [Elecraft] KSYN3A + KSYN3

[Yngvi (TF3Y)]

As long as you buy a new KRX3-A I guess it would come with a KSYN3A.

73, Yngvi TF3Y

On Mon, Jun 22, 2015 at 12:59 AM, Russ mundschen...@msn.com wrote:

 All:

 For those of you who don't read instructions like me - remember to
 download and install the latest K3 utility before uploading the new 5.14
 firmware (or above) - otherwise you may get an FPF load error.

 Question - if I decide to install a KRX3 later, can I reuse the old KSYN3
 for it - can the old KSYN3 and the new KSYN3A coexist in the same box?  OK
 - call me cheap / thrifty / cost effective or just stupid if you want  :}

 Thanks, Russ KD4JO

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[Elecraft] KSYN3A + KSYN3

[Russ]

All:

For those of you who don't read instructions like me - remember to download and 
install the latest K3 utility before uploading the new 5.14 firmware (or above) 
- otherwise you may get an FPF load error.

Question - if I decide to install a KRX3 later, can I reuse the old KSYN3 for 
it - can the old KSYN3 and the new KSYN3A coexist in the same box?  OK - call 
me cheap / thrifty / cost effective or just stupid if you want  :}

Thanks, Russ KD4JO
  
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Re: [Elecraft] KSYN3A + KSYN3

[Don Wilhelm]

Russ,

If you install the KSYN3A for the main and then add the KRX3, you must 
have the KSYN3A for the sub as well.

You cannot mix the synthesizers - they must both be the same.

Cheap/thrifty/cost effective does not matter, they both need to be the same.

73,
Don W3FPR

73,
Don W3FPR

On 6/21/2015 8:59 PM, Russ wrote:

All:

For those of you who don't read instructions like me - remember to download and 
install the latest K3 utility before uploading the new 5.14 firmware (or above) 
- otherwise you may get an FPF load error.

Question - if I decide to install a KRX3 later, can I reuse the old KSYN3 for it - 
can the old KSYN3 and the new KSYN3A coexist in the same box?  OK - call me cheap 
/ thrifty / cost effective or just stupid if you want  :}



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Re: [Elecraft] KSYN3A + KSYN3

[Michael Eberle]

Per the KSYN3A Installation instructions:

You cannot have a new KSYN3A synthesizer and the original KSYN3 in the 
same K3!  If you have the KRX3 sub receiver installed, you must install 
two KSYN3A synthesizers.


Mike
KI0HA

On 6/21/2015 7:59 PM, Russ wrote:

All:

For those of you who don't read instructions like me - remember to download and 
install the latest K3 utility before uploading the new 5.14 firmware (or above) 
- otherwise you may get an FPF load error.

Question - if I decide to install a KRX3 later, can I reuse the old KSYN3 for it - 
can the old KSYN3 and the new KSYN3A coexist in the same box?  OK - call me cheap 
/ thrifty / cost effective or just stupid if you want  :}

Thanks, Russ KD4JO

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Re: [Elecraft] KSYN3A + KSYN3

[Tom Schaefer]

As a cautionary tale, reading the instructions is really not optional with this 
stuff :)

If you decide to install the KRX3 for example, there are lots of little gotchas 
in the KRX3 install that are easily avoided by reading the directions. Not 
doing so is certainly at your own peril. 

Tom NY4I 

Principal Solutions Architect
Better Software Solutions, Inc. 
727-437-2771

 On Jun 21, 2015, at 9:18 PM, Don Wilhelm w3...@embarqmail.com wrote:
 
 Russ,
 
 If you install the KSYN3A for the main and then add the KRX3, you must have 
 the KSYN3A for the sub as well.
 You cannot mix the synthesizers - they must both be the same.
 
 Cheap/thrifty/cost effective does not matter, they both need to be the same.
 
 73,
 Don W3FPR
 
 73,
 Don W3FPR
 
 On 6/21/2015 8:59 PM, Russ wrote:
 All:
 
 For those of you who don't read instructions like me - remember to download 
 and install the latest K3 utility before uploading the new 5.14 firmware (or 
 above) - otherwise you may get an FPF load error.
 
 Question - if I decide to install a KRX3 later, can I reuse the old KSYN3 
 for it - can the old KSYN3 and the new KSYN3A coexist in the same box?  OK - 
 call me cheap / thrifty / cost effective or just stupid if you want  :}
 
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[Elecraft] KSYN3A Question NR audio canceling

[ARRL - N6MQL]

Wayne,

The new KSYN3A is supposed to have the new wonderful T/R speed making CW 
QSK sound like the old KSYN3 with the QRQ selected to on (for the most 
part).  This leaves me with the question... Since the QRQ function is 
still available when you have the new KSYN3A boards installed, what does 
it do?  Is there any change between having the new Sync boards in and 
turning on or off the QRQ function on the K3?  Or is it essentially 
making no difference other than killing your RIT and Split functions? 
Perhaps my ears are lying to me, but it still seems that if I use the 
QRQ setting the T/R switching seems much smoother when moving fast. 
Perhaps this is reson for using the New QSK mode in the CW WGHT menu 
setting?


Also, is there anything that can be done about the way the audio is 
completely canceled out when you have a loud noise floor and you're 
using the NR and then move the Width knob?  If I'm in the middle of a 
QSO with someone (in receive) and I have my NR on (because the noise 
floor is loud) and then I decide to narrow the filter down onto the 
person I'm listening to I loose copy because the audio drops out as I'm 
moving my filter settings.  If this were a case of the NR having to 
rebuild, I would almost rather have it turn itself off as the filter 
bandwidth is moving then rebuild when you've stopped turning the knob.


Michael
N6MQL
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Re: [Elecraft] KSYN3A

[Arie Kleingeld PA3A]

I installed two new SYN3A's yesterday in K3 #1255

A very positive surprise: The diversity mode has improved a lot. The 
'woosh'  during tuning has competely gone! Super.

A negative surprise: Tuning noise on 40m (S3 !) plus birdies.
I will install the tuning noise reduction mod (of 2009) now and see 
whether that helps and i'll move the TMP cables around to improve on the 
birdie problem.


73
Arie PA3A

Mike Reublin NF4L schreef op 3-5-2015 om 20:03:

What could I expect to actually hear differently (not lab measurements) after 
the installation of the new synths? I have no interest in freqs below 1.8MHz, 
I'm not a high-speed CW guy. I chase DX (SSB, CW, RTTY) and do a bit of 
contesting to that end.




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Re: [Elecraft] KSYN3A

[Mike Reublin NF4L]

Thanks, Arie.

I've never tried diversity reception. I must get around to it soon. The birdies 
are a worrisome report.

73, Mike NF4L

 On May 4, 2015, at 7:14 AM, Arie Kleingeld PA3A p...@xs4all.nl wrote:
 
 I installed two new SYN3A's yesterday in K3 #1255
 
 A very positive surprise: The diversity mode has improved a lot. The 'woosh'  
 during tuning has competely gone! Super.
 A negative surprise: Tuning noise on 40m (S3 !) plus birdies.
 I will install the tuning noise reduction mod (of 2009) now and see whether 
 that helps and i'll move the TMP cables around to improve on the birdie 
 problem.
 
 73
 Arie PA3A
 
 Mike Reublin NF4L schreef op 3-5-2015 om 20:03:
 What could I expect to actually hear differently (not lab measurements) 
 after the installation of the new synths? I have no interest in freqs below 
 1.8MHz, I'm not a high-speed CW guy. I chase DX (SSB, CW, RTTY) and do a bit 
 of contesting to that end.
 
 
 

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Re: [Elecraft] KSYN3A tuning noise on 40m

[Wayne Burdick]

The K3 has very high dynamic range, requiring a high-level local oscillator 
(the synth). One way to minimize spurs (birdies) in a superhet design of this 
type is to include very narrow-band filtering, which we used throughout the 
radio. The ham-band filters are all just a bit wider than the ham bands 
themselves, there are multiple I.F. rejection traps, and there's a very narrow 
triple-tuned filter on the noise blanker.

The other way to minimize spurs is to enclose every subassembly in its own 
shield and connect them when coax cables. While we use shielding where 
absolutely necessary, we tried to avoid extensive shielding because it would 
have dramatically increased the size, weight, and cost of the K3. Instead, we 
used careful PCB layout, just the right number of coax cables, and balanced 
low-pass filtering in the first mixer that rolls off the VHF and UHF synth 
harmonics. The combination of these techniques results in very few spurs within 
ham bands.

Those spurs which persist are generally very low level, inaudible with any kind 
of antenna connected. For any fast-tuning (VFO harmonic-related) spurs that 
remain above the noise floor, we provided the CONFIG:SIG RMV menu entry -- a 
variation on spur-mapping that can be quite effective. 

It's not surprising that certain very low-level spurs would change in level 
with repositioning of the coax cables, since they typically arise from UHF 
harmonics of the VFO.

73,
Wayne
N6KR



On May 4, 2015, at 2:17 PM, Richard Ferch ve3...@storm.ca wrote:

 My experience has been that the tuning noise is strongly affected by the 
 positioning of the TMP cables, regardless of whether you have the old KSYN3's 
 or the new KSYN3A's.
 
 I had heard some slight tuning noise on higher bands with the old KSYN3's, 
 but only with no antenna connected, which is not a realistic test. After I 
 put the new KSYN3A's in, at first I had much higher tuning noise (a buzz or 
 rapid clicks when turning the tuning knob), but I opened up the rig and 
 repositioned the TMP cables and since then the tuning noise has completely 
 disappeared, even with no antenna connected.
 
 I do not have the VFO tuning noise reduction mod installed.
 
 As for the rapidly tuning birdies (the ones that can be eliminated with the 
 CONFIG:SIG RMV option), I have not done a careful check. However, while they 
 may appear at different places than they did before (perhaps that might be 
 related to a reference oscillator adjustment), they do not seem to me to be 
 any worse than they were with the old synth boards.
 
 73,
 Rich VE3KI
 K3 #1595
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Re: [Elecraft] KSYN3A Synthesizer problem?

[Ross Primrose]

It sounds like you've only put one new board in a 2RX K3.  I don't 
believe that's a supported configuration...


73, Ross N4RP

On 4/6/2015 7:01 PM, Roger D Johnson wrote:
My new boards arrived today. I popped one into the K3 for some 
testing. I was especially interested
in the low frequency performance as I like to DX the LF broadcasts 
from 153 to 279 kHz. What I found
was that below 400 kHz, the noise level rises and at 100 kHz it's 
almost 20 over 9 on the S meter!
I calibrated my NaP3 spectrum analyzer program and took some 
measurements of the noise level.


500 kHz  -127 dbm
400 -127
300 -124
200 -113
100 -93

That's a 34 db increase in noise level!! Is this the way the new 
boards are supposed to work?
I expected a decrease in sensitivity below 500 kHz but not this. Any 
ideas?


73, Roger

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--
FCC Section 97.313(a) “At all times, an amateur station must use the minimum 
transmitter power necessary to carry out the desired communications.”

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[Elecraft] KSYN3A Synthesizer problem?

[Roger D Johnson]

My new boards arrived today. I popped one into the K3 for some testing. I was 
especially interested
in the low frequency performance as I like to DX the LF broadcasts from 153 to 
279 kHz. What I found
was that below 400 kHz, the noise level rises and at 100 kHz it's almost 20 over 
9 on the S meter!
I calibrated my NaP3 spectrum analyzer program and took some measurements of the 
noise level.


500 kHz  -127 dbm
400 -127
300 -124
200 -113
100 -93

That's a 34 db increase in noise level!! Is this the way the new boards are 
supposed to work?

I expected a decrease in sensitivity below 500 kHz but not this. Any ideas?

73, Roger

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Re: [Elecraft] KSYN3A Synthesizer problem?

[Jim Brown]

On Mon,4/6/2015 4:01 PM, Roger D Johnson wrote:

500 kHz  -127 dbm
400 -127
300 -124
200 -113
100 -93

That's a 34 db increase in noise level!! Is this the way the new 
boards are supposed to work? 


Is this with or without an antenna connected?  What's the nature of the 
noise on your spectrum analyzer? Broadband or with humps every 10-20 
kHz? Do the peaks drift? Remember that our world is full of switch-mode 
power supplies spewing out trash on harmonics of their square waves, and 
the lower we go in frequency, the stronger they are.


73, Jim K9YC
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Re: [Elecraft] KSYN3A Synthesizer problem?

[Wayne Burdick]

Roger,

More on this...

Since KSYN3A buyers may not always see the FAQ, we'll be adding something like 
this to page 1 of the KSYN3A installation manual:

* * *

Note on K3 low-frequency (100-400 kHz) receive coverage with the KSYN3A 
installed:

With a KSYN3A installed, the K3 VFO can be tuned as low as 100 kHz. Sensitivity 
will be very good in the 600-meter band (470 kHz) if a KBPF3 filter module is 
installed, and the antenna is connected to either the RX ANT IN or XVTR IN jack 
on the KXV3 module. However, below 300 kHz, sensitivity starts to decrease 
quickly, because the K3's receiver was optimized for use on higher bands. 
Typical sensitivity at 300 kHz will be about -100 dBm. The preamp should be 
turned off at very low frequencies because it is not useful here; it will only 
increase noise level.

* * *

Let me know if you think further clarification would also be helpful.

Thanks,

Wayne
N6KR


On Apr 6, 2015, at 4:01 PM, Roger D Johnson n...@roadrunner.com wrote:

 My new boards arrived today. I popped one into the K3 for some testing. I was 
 especially interested
 in the low frequency performance as I like to DX the LF broadcasts from 153 
 to 279 kHz. What I found
 was that below 400 kHz, the noise level rises and at 100 kHz it's almost 20 
 over 9 on the S meter!
 I calibrated my NaP3 spectrum analyzer program and took some measurements of 
 the noise level.
 
 500 kHz  -127 dbm
 400 -127
 300 -124
 200 -113
 100 -93
 
 That's a 34 db increase in noise level!! Is this the way the new boards are 
 supposed to work?
 I expected a decrease in sensitivity below 500 kHz but not this. Any ideas?
 
 73, Roger
 
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Re: [Elecraft] KSYN3A Synthesizer problem?

[Wayne Burdick]

Hi Roger,

The noise floor is coming up because the RX circuitry was optimized for use 
from 250 kHz and up. Multiple sources start contributing significant noise 
below 250 kHz.

Even though the new synth tunes down to 100 kHz, we tried to make it clear in 
the KSYN3A FAQ that the receiver isn't very sensitive in this range. It does 
very well in the 600-meter band (472 kHz), and has reasonable sensitivity in 
the 300-450 kHz range where there are many LF beacons.

To quote from the KSYN3A FAQ:

 Q: What is the K3's 100-490 kHz receive sensitivity?
 
 A: With preamp OFF, we measured about -125 dBm at 475 kHz

At 250 kHz the sensitivity is about 10-20 dB lower, and it will go down from 
there. Yours is better than our baseline measurement. 

The FAQ entry continues:

 We have not measured MDS below 250 kHz, but the receiver will gradually 
 become less sensitive as you go lower in frequency due to band-pass filter 
 roll off (in the KBPF3, which is required for operation below 160 meters). 
 These tests were made with the signal routed through the RX ANT IN or XVTR IN 
 jacks on the KXV3 option module.


It would be possible to redesign the KBPF3's lowest-frequency filter to improve 
sensitivity below 250 kHz. However, the receiver uses PIN diodes extensively, 
and the rolloff from this band-pass filter helps prevent intermod in the diodes.

I can see that we should clarify this topic further in the FAQ and installation 
manual.

73,
Wayne
N6KR


On Apr 6, 2015, at 4:01 PM, Roger D Johnson n...@roadrunner.com wrote:

 My new boards arrived today. I popped one into the K3 for some testing. I was 
 especially interested
 in the low frequency performance as I like to DX the LF broadcasts from 153 
 to 279 kHz. What I found
 was that below 400 kHz, the noise level rises and at 100 kHz it's almost 20 
 over 9 on the S meter!
 I calibrated my NaP3 spectrum analyzer program and took some measurements of 
 the noise level.
 
 500 kHz  -127 dbm
 400 -127
 300 -124
 200 -113
 100 -93
 
 That's a 34 db increase in noise level!! Is this the way the new boards are 
 supposed to work?
 I expected a decrease in sensitivity below 500 kHz but not this. Any ideas?
 
 73, Roger
 
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Re: [Elecraft] KSYN3A newest firmware : VCO:MD menu entry still there and delivers error

[Eric Swartz - WA6HHQ, Elecraft]

The new KSYN3a does not need the synth cal step. As noted in the manual, that 
only applies to the older synthesizer.

73,

Eric
elecraft.com
_..._



 On Mar 22, 2015, at 7:39 AM, Klaus Dittrich kla...@arcor.de wrote:
 
 K3 SN 8887
 
 MCU 5.14 / DSP 2.83 / FPF 1.19, 2/26/2015
 Latest Production Release
 
 I still see CONFIG: VCO:MD -- and calibration started (digits count uwards) 
 after leaving the menu but ends with an error after some time.
 
 
 I assume this can be ignored, as the KSYN3A does not need calibration?
 
 Or is the KSYN3A not recognized by the firmware?
 
 --
 
 73, Klaus, DF1TL
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Re: [Elecraft] KSYN3A newest firmware : VCO:MD menu entry still there and delivers error

[Klaus Dittrich]

Am 03/22/15 um 16:40 schrieb Eric Swartz - WA6HHQ, Elecraft:

The new KSYN3a does not need the synth cal step. As noted in the manual, that 
only applies to the older synthesizer.

73,

Eric
elecraft.com
_..._




On Mar 22, 2015, at 7:39 AM, Klaus Dittrich kla...@arcor.de wrote:

K3 SN 8887

MCU 5.14 / DSP 2.83 / FPF 1.19, 2/26/2015
Latest Production Release

I still see CONFIG: VCO:MD -- and calibration started (digits count uwards) 
after leaving the menu but ends with an error after some time.


I assume this can be ignored, as the KSYN3A does not need calibration?

Or is the KSYN3A not recognized by the firmware?

--

73, Klaus, DF1TL
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Eric, thank you.

I think I have read in the release notes that the item VCO:MD does not 
show up at all if the firmware has taken notice that a KSYN3a is installed.


Maybe something more for the todo list .. :-)

--
73, Klaus, DF1TL
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[Elecraft] KSYN3A newest firmware : VCO:MD menu entry still there and delivers error

[Klaus Dittrich]

K3 SN 8887

MCU 5.14 / DSP 2.83 / FPF 1.19, 2/26/2015
Latest Production Release

I still see CONFIG: VCO:MD -- and calibration started (digits count 
uwards) after leaving the menu but ends with an error after some time.



I assume this can be ignored, as the KSYN3A does not need calibration?

Or is the KSYN3A not recognized by the firmware?

--

73, Klaus, DF1TL
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Re: [Elecraft] KSYN3A Install

[KENT TRIMBLE]

And also make sure you download and follow the revised instructions and 
Errata from the Elecraft website.  Do NOT follow the printed 
instructions shipping with the boards (unless they match the website 
revisions).


Note also that if you have the 2-meter phase-lock option, the REF OUT 
cable is removed from the 2-meter module and not used.


73,

Kent  K9ZTV



On 3/6/2015 6:37 PM, someone wrote:

Make sure you connect the cable to the correct port on the ksyn3a.


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[Elecraft] KSYN3A Install

[Outlook.com via Elecraft]

The install in two K3s, each with one receiver, went well.

Make sure you connect the cable to the correct port on the ksyn3a.  Don't ask 
me why.

The K3 is the greatest!

73, Steve, k4fj

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[Elecraft] KSYN3A Sherwood tests

[Gregg W6IZT]

I reviewed the data published by Rob Sherwood. It would be of interest to
see test data on the same K3 with the old and the new synth boards. I
suspect that other ongoing improvements to the K3 have influenced some of
the measurements.

73
Gregg w6izt


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[Elecraft] KSYN3A Shipping Times

[Dauer, Edward]

Info for those who asked about order and shipping status - I ordered on Feb. 14 
and just received notice that they were shipped Feb. 26, due here in Denver 
March 3.

Ted, KN1CBR

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Re: [Elecraft] KSYN3A Shipping Times

[Stephen Prior]

For those interested, ordered Feb 13, the KSYN3A arrived on my desk here in
the UK this morning.  USPS cheapest international option (cheap is a
relative term!).



On 27 February 2015 at 14:51, Dauer, Edward eda...@law.du.edu wrote:

 Info for those who asked about order and shipping status - I ordered on
 Feb. 14 and just received notice that they were shipped Feb. 26, due here
 in Denver March 3.

 Ted, KN1CBR

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Re: [Elecraft] KSYN3A Install Doc Suggestion

[Gary Smith]

If that ain't the truth!

What I do with things like putting those split washers into a hard to 
access situation is to take a piece of tape, put the sticky side on 
my jeans, pull it off with the accompanying lint and then pressing 
the washer onto the tape. It'll hold the washer in place and let you 
align the washer properly but won't grip onto it so tightly it's a 
problem to pull out after all is in alignment. Hemostats are 
invaluable to holding the tape just so.

As you mentioned, we don't have to do this when installing the 
replacement boards but it's a neat trick that works great. Just 
thought this would be a good time to mention this little trick, when 
you do need to deal with that kind of an issue, it saves a lot of 
swearing...

73,

Gary
KA1J

 Best part was NOT having to reinstall those split 
 washers :-)
 
 Phil W7OX
 
 On 2/20/15 7:04 PM, Gary Ferdinand wrote:
  I´m a very satisfied K3 owner.  Today I installed the two KSYN3A boards 
  according to the documentation.   My K3 has the internal 2 meter 
  transverter (K144XV) installed, so I had a few extra steps to perform above 
  a 2-board, no transverter configuration.
 
  I got hung up a few minutes on page 14.  A couple of extra sentences would 
  have eliminated the extra time spent at this step.
 
  I suggest the instructions also state that the cable that used to be run 
  from the K144XV from the REF OUT jack be reused between KREF3 J2 and MAIN 
  KSYN3A J83.  The cable supplied with the kit is an 8.5 cable and the 
  diagram, figure 12, shows a 5 cable here.  Not that the cable length 
  matters much, but the lack of clarity of this point had me wondering if I 
  had missed something involving the oeextra cable.  Further stating that I 
  would end up with an unused 8.5 cable would also have helped.
 
  Additionally, in Figure 12 the MAIN board is mislabeled as KSYN3 instead of 
  KSYN3A.
 
  All in all a smooth installation. Thanks for the improvements!
 
  73/Gary W2CS
 
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[Elecraft] KSYN3A Install Doc Suggestion

[Gary Ferdinand]

I’m a very satisfied K3 owner.  Today I installed the two KSYN3A boards 
according to the documentation.   My K3 has the internal 2 meter transverter 
(K144XV) installed, so I had a few extra steps to perform above a 2-board, no 
transverter configuration.

I got hung up a few minutes on page 14.  A couple of extra sentences would have 
eliminated the extra time spent at this step.  

I suggest the instructions also state that the cable that used to be run from 
the K144XV from the REF OUT jack be reused between KREF3 J2 and MAIN KSYN3A 
J83.  The cable supplied with the kit is an 8.5” cable and the diagram, figure 
12, shows a 5” cable here.  Not that the cable length matters much, but the 
lack of clarity of this point had me wondering if I had missed something 
involving the “extra” cable.  Further stating that I would end up with an 
unused 8.5” cable would also have helped.

Additionally, in Figure 12 the MAIN board is mislabeled as KSYN3 instead of 
KSYN3A.  

All in all a smooth installation. Thanks for the improvements!  

73/Gary W2CS





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Re: [Elecraft] KSYN3A Install Doc Suggestion

[Phil Wheeler]

Best part was NOT having to reinstall those split 
washers :-)


Phil W7OX

On 2/20/15 7:04 PM, Gary Ferdinand wrote:

I’m a very satisfied K3 owner.  Today I installed the two KSYN3A boards 
according to the documentation.   My K3 has the internal 2 meter transverter 
(K144XV) installed, so I had a few extra steps to perform above a 2-board, no 
transverter configuration.

I got hung up a few minutes on page 14.  A couple of extra sentences would have 
eliminated the extra time spent at this step.

I suggest the instructions also state that the cable that used to be run from 
the K144XV from the REF OUT jack be reused between KREF3 J2 and MAIN KSYN3A 
J83.  The cable supplied with the kit is an 8.5” cable and the diagram, figure 
12, shows a 5” cable here.  Not that the cable length matters much, but the 
lack of clarity of this point had me wondering if I had missed something 
involving the “extra” cable.  Further stating that I would end up with an 
unused 8.5” cable would also have helped.

Additionally, in Figure 12 the MAIN board is mislabeled as KSYN3 instead of 
KSYN3A.

All in all a smooth installation. Thanks for the improvements!

73/Gary W2CS


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Re: [Elecraft] KSYN3A Install Doc Suggestion

[Phil Wheeler]

Nice tip, Gary: Thanks (just in case!).

73, Phil W7OX

On 2/20/15 9:28 PM, Gary Smith wrote:

What I do with things like putting those split washers into a hard to
access situation is to take a piece of tape, put the sticky side on
my jeans, pull it off with the accompanying lint and then pressing
the washer onto the tape. It'll hold the washer in place and let you
align the washer properly but won't grip onto it so tightly it's a
problem to pull out after all is in alignment. Hemostats are
invaluable to holding the tape just so.

73,

Gary
KA1J


Best part was NOT having to reinstall those split
washers :-)

Phil W7OX


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Re: [Elecraft] KSYN3A and below 490 KHz?

[Edward R Cole]

Would not an external preamp designed for 100 KHz not improve 
sensitivity?  Many operators use small loop antennas with preamps on 
both 600m and LF.


73, Ed - KL7UW, WD2XSH/45
---
Date: Wed, 18 Feb 2015 10:17:09 -0800
From: Wayne Burdick n...@elecraft.com
To: Harry Yingst hlyin...@yahoo.com
Cc: Elecraft Reflector elecraft@mailman.qth.net
Subject: Re: [Elecraft] KSYN3A and below 490 KHz?

snipped
 Is it possible to move the lower limit down (lower than 100 kHz) 
or is is a constraint of the HW?


The latter. Sensitivity gradually decreases as you do down in 
frequency, and you start hitting a practical lower limit for the 
receive chain.


The preamp is not useful below 500 kHz, and will actually introduce a 
loss when turned on, so it should be left off in this range.




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

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Re: [Elecraft] KSYN3A and below 490 KHz?

[Edward R Cole]

Ross,

There a quite a few (50 or 100) hams happily operating on 600m, 
currently.  Not as hams but by obtaining an FCC experimental 
license.  If that seems too daunting a prospect, help is available 
for filing out the application from those who have already done this.

http://www.500kc.com/
http://www.500kc.com/USA_600_M_Station_ID.htm
http://www.500kc.com/Maillists.htm

73, Ed - KL7UW, WD2XSH/45

--
From: Ross Primrose n...@n4rp.com
Cc: Elecraft Reflector elecraft@mailman.qth.net
Subject: Re: [Elecraft] KSYN3A and below 490 KHz?
Message-ID: 54e4e403.5060...@n4rp.com
Content-Type: text/plain; charset=windows-1252; format=flowed

On 2/18/2015 1:17 PM, Wayne Burdick wrote:
 Probably not. It allows quite useful sensitivity down to 250 kHz, and
 even some utility at 100 kHz. But most operators are interested in the
 600-meter band (472-479 kHz). Wayne N6KR

At the rate they're going, my grand kids will probably be retired before
the FCC grants US hams access to that band :(

73, Ross N4RP


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

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[Elecraft] KSYN3A and below 490 KHz?

[Harry Yingst via Elecraft]

I ordered a pair of the KSYN3A boards because mainly I have an interest in 
below 500 kHz.
I already have the KBPF3 General Coverage RX Bandpass boards installed in both 
my receivers.As I understand it I will need to use the RX  AUX antenna inputs.

Is it possible to move the lower limit down (lower than 100 kHz) or is is a 
constraint of the HW?
Will there be a Mod to the KBPF3 to allow it to work better below 500 kHz? 
Thank you
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Re: [Elecraft] KSYN3A and below 490 KHz?

[Wayne Burdick]

On Feb 18, 2015, at 10:10 AM, Harry Yingst via Elecraft 
elecraft@mailman.qth.net wrote:

 I ordered a pair of the KSYN3A boards because mainly I have an interest in 
 below 500 kHz.
 I already have the KBPF3 General Coverage RX Bandpass boards installed in 
 both my receivers.As I understand it I will need to use the RX  AUX antenna 
 inputs.

Correct.


 
 Is it possible to move the lower limit down (lower than 100 kHz) or is is a 
 constraint of the HW?

The latter. Sensitivity gradually decreases as you do down in frequency, and 
you start hitting a practical lower limit for the receive chain. 

The preamp is not useful below 500 kHz, and will actually introduce a loss when 
turned on, so it should be left off in this range.


 Will there be a Mod to the KBPF3 to allow it to work better below 500 kHz? 

Probably not. It allows quite useful sensitivity down to 250 kHz, and even some 
utility at 100 kHz. But most operators are interested in the 600-meter band 
(472-479 kHz).

Wayne
N6KR


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Re: [Elecraft] KSYN3A and below 490 KHz?

[Harry Yingst via Elecraft]

Thank you
Even getting this much additional range is a real treat to me.






  From: Wayne Burdick n...@elecraft.com
 To: Harry Yingst hlyin...@yahoo.com 
Cc: Elecraft Reflector elecraft@mailman.qth.net 
 Sent: Wednesday, February 18, 2015 1:17 PM
 Subject: Re: [Elecraft] KSYN3A and below 490 KHz?
   

On Feb 18, 2015, at 10:10 AM, Harry Yingst via Elecraft 
elecraft@mailman.qth.net wrote:

 I ordered a pair of the KSYN3A boards because mainly I have an interest in 
 below 500 kHz.
 I already have the KBPF3 General Coverage RX Bandpass boards installed in 
 both my receivers.As I understand it I will need to use the RX  AUX antenna 
 inputs.

Correct.


 
 Is it possible to move the lower limit down (lower than 100 kHz) or is is a 
 constraint of the HW?

The latter. Sensitivity gradually decreases as you do down in frequency, and 
you start hitting a practical lower limit for the receive chain. 

The preamp is not useful below 500 kHz, and will actually introduce a loss when 
turned on, so it should be left off in this range.




 Will there be a Mod to the KBPF3 to allow it to work better below 500 kHz? 

Probably not. It allows quite useful sensitivity down to 250 kHz, and even some 
utility at 100 kHz. But most operators are interested in the 600-meter band 
(472-479 kHz).

Wayne
N6KR



   
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Re: [Elecraft] KSYN3A and below 490 KHz?

[Ross Primrose]

On 2/18/2015 1:17 PM, Wayne Burdick wrote:
Probably not. It allows quite useful sensitivity down to 250 kHz, and 
even some utility at 100 kHz. But most operators are interested in the 
600-meter band (472-479 kHz). Wayne N6KR


At the rate they're going, my grand kids will probably be retired before 
the FCC grants US hams access to that band :(


73, Ross N4RP

--
FCC Section 97.313(a) “At all times, an amateur station must use the minimum 
transmitter power necessary to carry out the desired communications.”

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Re: [Elecraft] KSYN3A and below 490 KHz?

[Harry Yingst via Elecraft]

There's always 160-190 KC
1 watt into a 49' antenna



  From: Ross Primrose n...@n4rp.com
 To: 
Cc: Elecraft Reflector elecraft@mailman.qth.net 
 Sent: Wednesday, February 18, 2015 2:12 PM
 Subject: Re: [Elecraft] KSYN3A and below 490 KHz?
   
On 2/18/2015 1:17 PM, Wayne Burdick wrote:


 Probably not. It allows quite useful sensitivity down to 250 kHz, and 
 even some utility at 100 kHz. But most operators are interested in the 
 600-meter band (472-479 kHz). Wayne N6KR

At the rate they're going, my grand kids will probably be retired before 
the FCC grants US hams access to that band :(

73, Ross N4RP

-- 
FCC Section 97.313(a) “At all times, an amateur station must use the minimum 
transmitter power necessary to carry out the desired communications.”

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Re: [Elecraft] KSYN3A and below 490 KHz?

[Ken Roberson via Elecraft]

Hello All .
There is a photo of antenna and a little info on qrz-dot-com
Ken K5DNL/WG2XXM
 

 On Wednesday, February 18, 2015 7:13 PM, Phil Wheeler w...@socal.rr.com 
wrote:
   

 What sort of antenna do you use for the 630 m band 
TX, Ken?

Phil W7OX

On 2/18/15 4:19 PM, Ken Roberson via Elecraft wrote:
 Hello All,My synthesizer board shipped today , Looking forward to testingMy 
 new built HB power Amp on 630 meter band with no transverter.
 Anyone can apply for a Experimental license to operate on the630M band - The 
 cost is $ 65.00 for a two year Grant.73 allKen K5DNL/WG2XXM
  

      On Wednesday, February 18, 2015 1:12 PM, Ross Primrose n...@n4rp.com 
wrote:
    

  On 2/18/2015 1:17 PM, Wayne Burdick wrote:
 Probably not. It allows quite useful sensitivity down to 250 kHz, and
 even some utility at 100 kHz. But most operators are interested in the
 600-meter band (472-479 kHz). Wayne N6KR
 At the rate they're going, my grand kids will probably be retired before
 the FCC grants US hams access to that band :(

 73, Ross N4RP


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Message delivered to kwrober...@yahoo.com


   
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Re: [Elecraft] KSYN3A and below 490 KHz?

[Ken Roberson via Elecraft]

Hello All,My synthesizer board shipped today , Looking forward to testingMy new 
built HB power Amp on 630 meter band with no transverter.
Anyone can apply for a Experimental license to operate on the630M band - The 
cost is $ 65.00 for a two year Grant.73 allKen K5DNL/WG2XXM
 

 On Wednesday, February 18, 2015 1:12 PM, Ross Primrose n...@n4rp.com 
wrote:
   

 On 2/18/2015 1:17 PM, Wayne Burdick wrote:
 Probably not. It allows quite useful sensitivity down to 250 kHz, and 
 even some utility at 100 kHz. But most operators are interested in the 
 600-meter band (472-479 kHz). Wayne N6KR

At the rate they're going, my grand kids will probably be retired before 
the FCC grants US hams access to that band :(

73, Ross N4RP

-- 
FCC Section 97.313(a) “At all times, an amateur station must use the minimum 
transmitter power necessary to carry out the desired communications.”

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Re: [Elecraft] KSYN3A and below 490 KHz?

[Phil Wheeler]

What sort of antenna do you use for the 630 m band 
TX, Ken?


Phil W7OX

On 2/18/15 4:19 PM, Ken Roberson via Elecraft wrote:

Hello All,My synthesizer board shipped today , Looking forward to testingMy new 
built HB power Amp on 630 meter band with no transverter.
Anyone can apply for a Experimental license to operate on the630M band - The 
cost is $ 65.00 for a two year Grant.73 allKen K5DNL/WG2XXM
  


  On Wednesday, February 18, 2015 1:12 PM, Ross Primrose n...@n4rp.com 
wrote:



  On 2/18/2015 1:17 PM, Wayne Burdick wrote:

Probably not. It allows quite useful sensitivity down to 250 kHz, and
even some utility at 100 kHz. But most operators are interested in the
600-meter band (472-479 kHz). Wayne N6KR

At the rate they're going, my grand kids will probably be retired before
the FCC grants US hams access to that band :(

73, Ross N4RP



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Re: [Elecraft] KSYN3A and below 490 KHz?

[Ken Roberson via Elecraft]

Phil,
I'm txing now - WSPR  - set ur dial to 474.2 khz - upper side band
Ken K5dnl/Wg2xxm
 

 On Wednesday, February 18, 2015 8:06 PM, Ken Roberson 
kwrober...@yahoo.com wrote:
   

 Hello All .
There is a photo of antenna and a little info on qrz-dot-com
Ken K5DNL/WG2XXM
 

 On Wednesday, February 18, 2015 7:13 PM, Phil Wheeler w...@socal.rr.com 
wrote:
   

 What sort of antenna do you use for the 630 m band 
TX, Ken?

Phil W7OX

On 2/18/15 4:19 PM, Ken Roberson via Elecraft wrote:
 Hello All,My synthesizer board shipped today , Looking forward to testingMy 
 new built HB power Amp on 630 meter band with no transverter.
 Anyone can apply for a Experimental license to operate on the630M band - The 
 cost is $ 65.00 for a two year Grant.73 allKen K5DNL/WG2XXM
  

      On Wednesday, February 18, 2015 1:12 PM, Ross Primrose n...@n4rp.com 
wrote:
    

  On 2/18/2015 1:17 PM, Wayne Burdick wrote:
 Probably not. It allows quite useful sensitivity down to 250 kHz, and
 even some utility at 100 kHz. But most operators are interested in the
 600-meter band (472-479 kHz). Wayne N6KR
 At the rate they're going, my grand kids will probably be retired before
 the FCC grants US hams access to that band :(

 73, Ross N4RP


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Re: [Elecraft] KSYN3A - installation question

[Rick Bates]

It's neither.  Or both.  ;)

73,
Rick wa6nhc

Tiny iPhone 5 keypad, typos are inevitable

 On Feb 16, 2015, at 12:21 AM, Stewart stew...@twinwood.me wrote:
 
 Cat !
 
 Gave ours to this guy called Schrödinger.
 
 Don't know whether it is alive or dead...
 
 73
 Stewart G3RXQ
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Re: [Elecraft] KSYN3A - installation question

[Vic Rosenthal]

It's what I use, but probably a dog would work as well.

Vic 4X6GP/K2VCO 

 On Feb 16, 2015, at 3:46 AM, Guy Olinger K2AV k2av@gmail.com wrote:
 
 Do I have to get a cat?
 
 73, Guy.
 
 On Sun, Feb 15, 2015 at 6:55 PM, Mike Reublin NF4L n...@comcast.net wrote:
 I tried the cat method. He objected to the ground probe. When my arms heal, 
 I'll try with a clip lead.
 
 73, Mike NF4L
 
 On Feb 15, 2015, at 6:04 PM, Walter Underwood wun...@wunderwood.org wrote:
 
 With no cat, I would recommend Sleater-Kinney.
 
 wunder
 K6WRU
 CM87wj
 http://observer.wunderwood.org/
 
 On Feb 15, 2015, at 2:34 PM, Phil Wheeler w...@socal.rr.com wrote:
 
 And those with no cat?:-)
 
 On 2/15/15 1:50 PM, Harry Yingst via Elecraft wrote:
 But what about us old Head bangers?
 
 
 
 
 From: Wayne Burdick n...@elecraft.com
 To: Elecraft Reflector elecraft@mailman.qth.net
 Sent: Sunday, February 15, 2015 4:29 PM
 Subject: Re: [Elecraft] KSYN3A - installation question
  It is quite easy to swap the synthesizer boards without removing the 
 KRX3 module. I did it blindfolded with a long-haired cat on my lap and 
 the latest Tom Petty album blasting away.
 
 Wayne
 N6KR
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Re: [Elecraft] KSYN3A - installation question

[QUENTIN COLLIER]

I apologise for this being off topic, but this (which my son told me - I blame 
the parents...) had me doubled up.

Schrödinger has had a bad day at the lab, and is driving home somewhat 
erratically. So a policeman pulls him over and breathalyses him. The policeman 
says well you're sober, but do you mind if I take a look around the car? 
Sure says Erwin. A couple of minutes later the officer comes back and says  
well, the car's OK, but did you know there is a dead cat in the boot? (Perhaps 
I should say trunk, as this is predominantly a US website...) Well, yes, there 
is NOW says Schrödinger.

One day I will make a useful contribution to this list



73, Quin G3WRR



 From: Stewart stew...@twinwood.me
To: Guy Olinger K2AV k2av@gmail.com; Mike Reublin NF4L n...@comcast.net 
Cc: Elecraft List Elecraft@mailman.qth.net 
Sent: Monday, 16 February 2015, 8:21
Subject: Re: [Elecraft] KSYN3A - installation question
 

Cat !

Gave ours to this guy called Schrödinger.

Don't know whether it is alive or dead...

73
Stewart G3RXQ

On Sun, 15 Feb 2015 20:46:41 -0500, Guy Olinger K2AV wrote:
 Do I have to get a cat?

 73, Guy.

 On Sun, Feb 15, 2015 at 6:55 PM, Mike Reublin NF4L n...@comcast.net wrote:
 I tried the cat method. He objected to the ground probe. When my arms heal, 
I'll try with a clip lead.

 73, Mike NF4L

 On Feb 15, 2015, at 6:04 PM, Walter Underwood wun...@wunderwood.org wrote:

 With no cat, I would recommend Sleater-Kinney.

 wunder
 K6WRU
 CM87wj
 http://observer.wunderwood.org/

 On Feb 15, 2015, at 2:34 PM, Phil Wheeler w...@socal.rr.com wrote:

 And those with no cat?:-)

 On 2/15/15 1:50 PM, Harry Yingst via Elecraft wrote:
 But what about us old Head bangers?


     From: Wayne Burdick n...@elecraft.com
 To: Elecraft Reflector elecraft@mailman.qth.net
 Sent: Sunday, February 15, 2015 4:29 PM
 Subject: Re: [Elecraft] KSYN3A - installation question
  It is quite easy to swap the synthesizer boards without removing the 
KRX3 
module. I did it blindfolded with a long-haired cat on my lap and the latest 
Tom 
Petty album blasting away.

 Wayne
 N6KR


 On Feb 14, 2015, at 12:38 PM, Joe Subich, W4TV li...@subich.com wrote:

 I doubt it ... there is not all that much room between the front
 bulkhead and the edge of the KRX3 case.  In addition, Wayne mentioned
 the need to reroute some of the cables with may not be possible if
 the KRX3 is in place.

 73,

 ... Joe, W4TV


 On 2015-02-14 10:33 AM, Ken K3IU wrote:
 I believe that you should ne able to install both boards without
 removing the KRX3
 73, Ken K3IU
 
 On 2/14/2015 10:03 AM, Dauer, Edward wrote:
 First question that came to my mind when I saw the announcement was
 whether the KRX3 had to be removed and reinstalled in order to replace
 the
 synths.  I found installing the KRX3 exasperating when I assembled the 
K3
 - success came on about the 12th try.

 My K3 is 100 miles from where I am right now, so I looked at the
 photos in
 the K3 assembly manual and those in the new synth instructions, from
 which
 it appears that the swap could be done without removing the KRX3. 
Could
 we confirm whether RR is required?  Message below says it is.

 If the sub does have to be RR¹d, anyone have suggestions about how to
 reinstall it without the major fuss I experienced?


 Ted, KN1CBR


 --

 Date: Fri, 13 Feb 2015 13:21:20 -0800
 From: Richard Thorpe kisso...@gmail.com
 To: Elecraft List elecraft@mailman.qth.net
 Subject: [Elecraft] More KSYN3A
 Message-ID: 92f46418-caab-45a6-bfcd-f87860378...@gmail.com
 Content-Type: text/plain; charset=utf-8

 I talked to Elecraft and you must remove the second receiver not just
 unplug it and remove its ?old? synth board.  . . .

 R Thorpe K6CG

 --
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Re: [Elecraft] KSYN3A - installation question

[Guy Olinger K2AV]

On Mon, Feb 16, 2015 at 3:43 AM, QUENTIN COLLIER
q.g.coll...@btinternet.com wrote:
 I apologise for this being off topic

Note to Eric: This isn't any of our faults. Wayne started it. Go pick on him.


73, Guy
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Re: [Elecraft] KSYN3A - installation question

[Stewart]

Cat !

Gave ours to this guy called Schrödinger.

Don't know whether it is alive or dead...

73
Stewart G3RXQ

On Sun, 15 Feb 2015 20:46:41 -0500, Guy Olinger K2AV wrote:
 Do I have to get a cat?

 73, Guy.

 On Sun, Feb 15, 2015 at 6:55 PM, Mike Reublin NF4L n...@comcast.net wrote:
 I tried the cat method. He objected to the ground probe. When my arms heal, 
I'll try with a clip lead.

 73, Mike NF4L

 On Feb 15, 2015, at 6:04 PM, Walter Underwood wun...@wunderwood.org wrote:

 With no cat, I would recommend Sleater-Kinney.

 wunder
 K6WRU
 CM87wj
 http://observer.wunderwood.org/

 On Feb 15, 2015, at 2:34 PM, Phil Wheeler w...@socal.rr.com wrote:

 And those with no cat?:-)

 On 2/15/15 1:50 PM, Harry Yingst via Elecraft wrote:
 But what about us old Head bangers?


 From: Wayne Burdick n...@elecraft.com
 To: Elecraft Reflector elecraft@mailman.qth.net
 Sent: Sunday, February 15, 2015 4:29 PM
 Subject: Re: [Elecraft] KSYN3A - installation question
  It is quite easy to swap the synthesizer boards without removing the 
 KRX3 
module. I did it blindfolded with a long-haired cat on my lap and the latest 
Tom 
Petty album blasting away.

 Wayne
 N6KR


 On Feb 14, 2015, at 12:38 PM, Joe Subich, W4TV li...@subich.com wrote:

 I doubt it ... there is not all that much room between the front
 bulkhead and the edge of the KRX3 case.  In addition, Wayne mentioned
 the need to reroute some of the cables with may not be possible if
 the KRX3 is in place.

 73,

 ... Joe, W4TV


 On 2015-02-14 10:33 AM, Ken K3IU wrote:
 I believe that you should ne able to install both boards without
 removing the KRX3
 73, Ken K3IU
 
 On 2/14/2015 10:03 AM, Dauer, Edward wrote:
 First question that came to my mind when I saw the announcement was
 whether the KRX3 had to be removed and reinstalled in order to replace
 the
 synths.  I found installing the KRX3 exasperating when I assembled the 
K3
 - success came on about the 12th try.

 My K3 is 100 miles from where I am right now, so I looked at the
 photos in
 the K3 assembly manual and those in the new synth instructions, from
 which
 it appears that the swap could be done without removing the KRX3. 
 Could
 we confirm whether RR is required?  Message below says it is.

 If the sub does have to be RR¹d, anyone have suggestions about how to
 reinstall it without the major fuss I experienced?


 Ted, KN1CBR


 --

 Date: Fri, 13 Feb 2015 13:21:20 -0800
 From: Richard Thorpe kisso...@gmail.com
 To: Elecraft List elecraft@mailman.qth.net
 Subject: [Elecraft] More KSYN3A
 Message-ID: 92f46418-caab-45a6-bfcd-f87860378...@gmail.com
 Content-Type: text/plain; charset=utf-8

 I talked to Elecraft and you must remove the second receiver not just
 unplug it and remove its ?old? synth board.  . . .

 R Thorpe K6CG

 --
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 Elecraft mailing list
 Home: http://mailman.qth.net/mailman/listinfo/elecraft
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Re: [Elecraft] KSYN3A - installation question

[Mike Reublin NF4L]

I tried the cat method. He objected to the ground probe. When my arms heal, 
I'll try with a clip lead.

73, Mike NF4L

 On Feb 15, 2015, at 6:04 PM, Walter Underwood wun...@wunderwood.org wrote:
 
 With no cat, I would recommend Sleater-Kinney.
 
 wunder
 K6WRU
 CM87wj
 http://observer.wunderwood.org/
 
 On Feb 15, 2015, at 2:34 PM, Phil Wheeler w...@socal.rr.com wrote:
 
 And those with no cat?:-)
 
 On 2/15/15 1:50 PM, Harry Yingst via Elecraft wrote:
 But what about us old Head bangers?
 
 
 
 
  From: Wayne Burdick n...@elecraft.com
 To: Elecraft Reflector elecraft@mailman.qth.net
 Sent: Sunday, February 15, 2015 4:29 PM
 Subject: Re: [Elecraft] KSYN3A - installation question
   It is quite easy to swap the synthesizer boards without removing the KRX3 
 module. I did it blindfolded with a long-haired cat on my lap and the 
 latest Tom Petty album blasting away.
 
 Wayne
 N6KR
 
 
 On Feb 14, 2015, at 12:38 PM, Joe Subich, W4TV li...@subich.com wrote:
 
 I doubt it ... there is not all that much room between the front
 bulkhead and the edge of the KRX3 case.  In addition, Wayne mentioned
 the need to reroute some of the cables with may not be possible if
 the KRX3 is in place.
 
 73,
 
  ... Joe, W4TV
 
 
 On 2015-02-14 10:33 AM, Ken K3IU wrote:
 I believe that you should ne able to install both boards without
 removing the KRX3
 73, Ken K3IU
 
 On 2/14/2015 10:03 AM, Dauer, Edward wrote:
 First question that came to my mind when I saw the announcement was
 whether the KRX3 had to be removed and reinstalled in order to replace
 the
 synths.  I found installing the KRX3 exasperating when I assembled the K3
 - success came on about the 12th try.
 
 My K3 is 100 miles from where I am right now, so I looked at the
 photos in
 the K3 assembly manual and those in the new synth instructions, from
 which
 it appears that the swap could be done without removing the KRX3.  Could
 we confirm whether RR is required?  Message below says it is.
 
 If the sub does have to be RR¹d, anyone have suggestions about how to
 reinstall it without the major fuss I experienced?
 
 
 Ted, KN1CBR
 
 
 --
 
 Date: Fri, 13 Feb 2015 13:21:20 -0800
 From: Richard Thorpe kisso...@gmail.com
 To: Elecraft List elecraft@mailman.qth.net
 Subject: [Elecraft] More KSYN3A
 Message-ID: 92f46418-caab-45a6-bfcd-f87860378...@gmail.com
 Content-Type: text/plain; charset=utf-8
 
 I talked to Elecraft and you must remove the second receiver not just
 unplug it and remove its ?old? synth board.  . . .
 
 R Thorpe K6CG
 
 --
 __
 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 kenk...@cox.net
 
 __
 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 li...@subich.com
 
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 This list hosted by: http://www.qsl.net
 Please help support this email list: http://www.qsl.net/donate.html
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Re: [Elecraft] KSYN3A - installation question

[Phil Wheeler]

And those with no cat?:-)

On 2/15/15 1:50 PM, Harry Yingst via Elecraft wrote:

But what about us old Head bangers?




   From: Wayne Burdick n...@elecraft.com
  To: Elecraft Reflector elecraft@mailman.qth.net
  Sent: Sunday, February 15, 2015 4:29 PM
  Subject: Re: [Elecraft] KSYN3A - installation question

It is quite easy to swap the synthesizer boards without removing the KRX3 module. I did it blindfolded with a long-haired cat on my lap and the latest Tom Petty album blasting away.


Wayne
N6KR


On Feb 14, 2015, at 12:38 PM, Joe Subich, W4TV li...@subich.com wrote:


I doubt it ... there is not all that much room between the front
bulkhead and the edge of the KRX3 case.  In addition, Wayne mentioned
the need to reroute some of the cables with may not be possible if
the KRX3 is in place.

73,

   ... Joe, W4TV


On 2015-02-14 10:33 AM, Ken K3IU wrote:

I believe that you should ne able to install both boards without
removing the KRX3
73, Ken K3IU

On 2/14/2015 10:03 AM, Dauer, Edward wrote:

First question that came to my mind when I saw the announcement was
whether the KRX3 had to be removed and reinstalled in order to replace
the
synths.  I found installing the KRX3 exasperating when I assembled the K3
- success came on about the 12th try.

My K3 is 100 miles from where I am right now, so I looked at the
photos in
the K3 assembly manual and those in the new synth instructions, from
which
it appears that the swap could be done without removing the KRX3.  Could
we confirm whether RR is required?  Message below says it is.

If the sub does have to be RR¹d, anyone have suggestions about how to
reinstall it without the major fuss I experienced?


Ted, KN1CBR



--

Date: Fri, 13 Feb 2015 13:21:20 -0800
From: Richard Thorpe kisso...@gmail.com
To: Elecraft List elecraft@mailman.qth.net
Subject: [Elecraft] More KSYN3A
Message-ID: 92f46418-caab-45a6-bfcd-f87860378...@gmail.com
Content-Type: text/plain; charset=utf-8

I talked to Elecraft and you must remove the second receiver not just
unplug it and remove its ?old? synth board.  . . .

R Thorpe K6CG

--

__
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Re: [Elecraft] KSYN3A - installation question

[Walter Underwood]

With no cat, I would recommend Sleater-Kinney.

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/

On Feb 15, 2015, at 2:34 PM, Phil Wheeler w...@socal.rr.com wrote:

 And those with no cat?:-)
 
 On 2/15/15 1:50 PM, Harry Yingst via Elecraft wrote:
 But what about us old Head bangers?
 
 
 
 
   From: Wayne Burdick n...@elecraft.com
  To: Elecraft Reflector elecraft@mailman.qth.net
  Sent: Sunday, February 15, 2015 4:29 PM
  Subject: Re: [Elecraft] KSYN3A - installation question
It is quite easy to swap the synthesizer boards without removing the KRX3 
 module. I did it blindfolded with a long-haired cat on my lap and the latest 
 Tom Petty album blasting away.
 
 Wayne
 N6KR
 
 
 On Feb 14, 2015, at 12:38 PM, Joe Subich, W4TV li...@subich.com wrote:
 
 I doubt it ... there is not all that much room between the front
 bulkhead and the edge of the KRX3 case.  In addition, Wayne mentioned
 the need to reroute some of the cables with may not be possible if
 the KRX3 is in place.
 
 73,
 
   ... Joe, W4TV
 
 
 On 2015-02-14 10:33 AM, Ken K3IU wrote:
 I believe that you should ne able to install both boards without
 removing the KRX3
 73, Ken K3IU
 
 On 2/14/2015 10:03 AM, Dauer, Edward wrote:
 First question that came to my mind when I saw the announcement was
 whether the KRX3 had to be removed and reinstalled in order to replace
 the
 synths.  I found installing the KRX3 exasperating when I assembled the K3
 - success came on about the 12th try.
 
 My K3 is 100 miles from where I am right now, so I looked at the
 photos in
 the K3 assembly manual and those in the new synth instructions, from
 which
 it appears that the swap could be done without removing the KRX3.  Could
 we confirm whether RR is required?  Message below says it is.
 
 If the sub does have to be RR¹d, anyone have suggestions about how to
 reinstall it without the major fuss I experienced?
 
 
 Ted, KN1CBR
 
 
 --
 
 Date: Fri, 13 Feb 2015 13:21:20 -0800
 From: Richard Thorpe kisso...@gmail.com
 To: Elecraft List elecraft@mailman.qth.net
 Subject: [Elecraft] More KSYN3A
 Message-ID: 92f46418-caab-45a6-bfcd-f87860378...@gmail.com
 Content-Type: text/plain; charset=utf-8
 
 I talked to Elecraft and you must remove the second receiver not just
 unplug it and remove its ?old? synth board.  . . .
 
 R Thorpe K6CG
 
 --
 __
 Elecraft mailing list
 Home: http://mailman.qth.net/mailman/listinfo/elecraft
 Help: http://mailman.qth.net/mmfaq.htm
 Post: mailto:Elecraft@mailman.qth.net
 
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Re: [Elecraft] KSYN3A - installation question

[Harry Yingst via Elecraft]

But what about us old Head bangers?




  From: Wayne Burdick n...@elecraft.com
 To: Elecraft Reflector elecraft@mailman.qth.net 
 Sent: Sunday, February 15, 2015 4:29 PM
 Subject: Re: [Elecraft] KSYN3A - installation question
   
It is quite easy to swap the synthesizer boards without removing the KRX3 
module. I did it blindfolded with a long-haired cat on my lap and the latest 
Tom Petty album blasting away.

Wayne
N6KR


On Feb 14, 2015, at 12:38 PM, Joe Subich, W4TV li...@subich.com wrote:

 
 I doubt it ... there is not all that much room between the front
 bulkhead and the edge of the KRX3 case.  In addition, Wayne mentioned
 the need to reroute some of the cables with may not be possible if
 the KRX3 is in place.
 
 73,
 
  ... Joe, W4TV
 
 
 On 2015-02-14 10:33 AM, Ken K3IU wrote:
 I believe that you should ne able to install both boards without
 removing the KRX3
 73, Ken K3IU
 
 On 2/14/2015 10:03 AM, Dauer, Edward wrote:
 First question that came to my mind when I saw the announcement was
 whether the KRX3 had to be removed and reinstalled in order to replace
 the
 synths.  I found installing the KRX3 exasperating when I assembled the K3
 - success came on about the 12th try.
 
 My K3 is 100 miles from where I am right now, so I looked at the
 photos in
 the K3 assembly manual and those in the new synth instructions, from
 which
 it appears that the swap could be done without removing the KRX3.  Could
 we confirm whether RR is required?  Message below says it is.
 
 If the sub does have to be RR¹d, anyone have suggestions about how to
 reinstall it without the major fuss I experienced?
 
 
 Ted, KN1CBR
 
 
 --
 
 Date: Fri, 13 Feb 2015 13:21:20 -0800
 From: Richard Thorpe kisso...@gmail.com
 To: Elecraft List elecraft@mailman.qth.net
 Subject: [Elecraft] More KSYN3A
 Message-ID: 92f46418-caab-45a6-bfcd-f87860378...@gmail.com
 Content-Type: text/plain; charset=utf-8
 
 I talked to Elecraft and you must remove the second receiver not just
 unplug it and remove its ?old? synth board.  . . .
 
 R Thorpe K6CG
 
 --
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Re: [Elecraft] KSYN3A - installation question

[Wayne Burdick]

It is quite easy to swap the synthesizer boards without removing the KRX3 
module. I did it blindfolded with a long-haired cat on my lap and the latest 
Tom Petty album blasting away.

Wayne
N6KR


On Feb 14, 2015, at 12:38 PM, Joe Subich, W4TV li...@subich.com wrote:

 
 I doubt it ... there is not all that much room between the front
 bulkhead and the edge of the KRX3 case.  In addition, Wayne mentioned
 the need to reroute some of the cables with may not be possible if
 the KRX3 is in place.
 
 73,
 
  ... Joe, W4TV
 
 
 On 2015-02-14 10:33 AM, Ken K3IU wrote:
 I believe that you should ne able to install both boards without
 removing the KRX3
 73, Ken K3IU
 
 On 2/14/2015 10:03 AM, Dauer, Edward wrote:
 First question that came to my mind when I saw the announcement was
 whether the KRX3 had to be removed and reinstalled in order to replace
 the
 synths.  I found installing the KRX3 exasperating when I assembled the K3
 - success came on about the 12th try.
 
 My K3 is 100 miles from where I am right now, so I looked at the
 photos in
 the K3 assembly manual and those in the new synth instructions, from
 which
 it appears that the swap could be done without removing the KRX3.  Could
 we confirm whether RR is required?  Message below says it is.
 
 If the sub does have to be RR¹d, anyone have suggestions about how to
 reinstall it without the major fuss I experienced?
 
 
 Ted, KN1CBR
 
 
 --
 
 Date: Fri, 13 Feb 2015 13:21:20 -0800
 From: Richard Thorpe kisso...@gmail.com
 To: Elecraft List elecraft@mailman.qth.net
 Subject: [Elecraft] More KSYN3A
 Message-ID: 92f46418-caab-45a6-bfcd-f87860378...@gmail.com
 Content-Type: text/plain; charset=utf-8
 
 I talked to Elecraft and you must remove the second receiver not just
 unplug it and remove its ?old? synth board.  . . .
 
 R Thorpe K6CG
 
 --
 __
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 Please help support this email list: http://www.qsl.net/donate.html
 Message delivered to kenk...@cox.net
 
 
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Re: [Elecraft] KSYN3A - installation question

[Guy Olinger K2AV]

Do I have to get a cat?

73, Guy.

On Sun, Feb 15, 2015 at 6:55 PM, Mike Reublin NF4L n...@comcast.net wrote:
 I tried the cat method. He objected to the ground probe. When my arms heal, 
 I'll try with a clip lead.

 73, Mike NF4L

 On Feb 15, 2015, at 6:04 PM, Walter Underwood wun...@wunderwood.org wrote:

 With no cat, I would recommend Sleater-Kinney.

 wunder
 K6WRU
 CM87wj
 http://observer.wunderwood.org/

 On Feb 15, 2015, at 2:34 PM, Phil Wheeler w...@socal.rr.com wrote:

 And those with no cat?:-)

 On 2/15/15 1:50 PM, Harry Yingst via Elecraft wrote:
 But what about us old Head bangers?




  From: Wayne Burdick n...@elecraft.com
 To: Elecraft Reflector elecraft@mailman.qth.net
 Sent: Sunday, February 15, 2015 4:29 PM
 Subject: Re: [Elecraft] KSYN3A - installation question
   It is quite easy to swap the synthesizer boards without removing the 
 KRX3 module. I did it blindfolded with a long-haired cat on my lap and the 
 latest Tom Petty album blasting away.

 Wayne
 N6KR


 On Feb 14, 2015, at 12:38 PM, Joe Subich, W4TV li...@subich.com wrote:

 I doubt it ... there is not all that much room between the front
 bulkhead and the edge of the KRX3 case.  In addition, Wayne mentioned
 the need to reroute some of the cables with may not be possible if
 the KRX3 is in place.

 73,

  ... Joe, W4TV


 On 2015-02-14 10:33 AM, Ken K3IU wrote:
 I believe that you should ne able to install both boards without
 removing the KRX3
 73, Ken K3IU
 
 On 2/14/2015 10:03 AM, Dauer, Edward wrote:
 First question that came to my mind when I saw the announcement was
 whether the KRX3 had to be removed and reinstalled in order to replace
 the
 synths.  I found installing the KRX3 exasperating when I assembled the 
 K3
 - success came on about the 12th try.

 My K3 is 100 miles from where I am right now, so I looked at the
 photos in
 the K3 assembly manual and those in the new synth instructions, from
 which
 it appears that the swap could be done without removing the KRX3.  Could
 we confirm whether RR is required?  Message below says it is.

 If the sub does have to be RR¹d, anyone have suggestions about how to
 reinstall it without the major fuss I experienced?


 Ted, KN1CBR


 --

 Date: Fri, 13 Feb 2015 13:21:20 -0800
 From: Richard Thorpe kisso...@gmail.com
 To: Elecraft List elecraft@mailman.qth.net
 Subject: [Elecraft] More KSYN3A
 Message-ID: 92f46418-caab-45a6-bfcd-f87860378...@gmail.com
 Content-Type: text/plain; charset=utf-8

 I talked to Elecraft and you must remove the second receiver not just
 unplug it and remove its ?old? synth board.  . . .

 R Thorpe K6CG

 --
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Re: [Elecraft] KSYN3A

[Milverton M. Swire via Elecraft]

Doug, did you factor into your calculation the cost of protective packaging to 
protect the delicate board from damage while in transit? 
Just a thought. 

73 Milverton 

So much Trouble in the World! :- (  Bob Marley.

 On Feb 13, 2015, at 20:28, Doug Person via Elecraft 
 elecraft@mailman.qth.net wrote:
 
 It's just one of those things that really annoy me.  I ordered the KSYN3A.  
 Shipping via UPS was calculated as $20.00+ for a package weighting .8 pounds. 
  When I run the same locations and service through UPS.com I get $8.38.  
 That's a of markup on the shipping. Just sayin
 
 Doug -- K0DXV
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Re: [Elecraft] KSYN3A

[Don Wilhelm]

The total shipping cost to a company consists of not only the cost of 
packaging materials and postage, but also the salaries of the staff who 
take the order, process it and the hands that put the items in the 
package and apply the shipping label.


73,
Don W3FPR

On 2/14/2015 4:38 AM, Milverton M. Swire via Elecraft wrote:

Doug, did you factor into your calculation the cost of protective packaging to 
protect the delicate board from damage while in transit?
Just a thought.

73 Milverton

So much Trouble in the World! :- (  Bob Marley.


On Feb 13, 2015, at 20:28, Doug Person via Elecraft elecraft@mailman.qth.net 
wrote:

It's just one of those things that really annoy me.  I ordered the KSYN3A.  
Shipping via UPS was calculated as $20.00+ for a package weighting .8 pounds.  
When I run the same locations and service through UPS.com I get $8.38.  That's 
a of markup on the shipping. Just sayin

Doug -- K0DXV
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