[Elecraft] Re: Kent single lever key

[Ralph Tyrrell]

Thank to all who responded to my  Kent single lever key  post.

I have learnd more and and am sure I want to get a Kent single lever key.

However my wife says NOT NOW. 

So I will look for one later.

Thanks all.

73, Ty, W1TF, K3 #696, K1 #1423


  
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KAT100 (was: Re: [Elecraft] K3 Beta Firmware, Revision 2.31 - Remote ATU)

[Jon Kåre Hellan]

I'd like to use this opportunity to say that I'm impressed by the 
KAT100. Everything I've been able to tune with my manual MFJ-949, the 
KAT100 will also tune.


Jon LA4RT

[EMAIL PROTECTED] wrote:


YES!  We need a remote version of the KAT100.  That would help improve a 
lot of signals.


73,
Henry - K4TMC
K3/100 #98
K2/100 #3137



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[Elecraft] K3 Software

[Tom Wylie]

I built my K3 about 2 months ago and have now made a couple of thousand 
QSOs with it and am very satisfied.


Question:  Should I upload the latest software?

What is the latest NON BETA version that is stable and works?
What is the latest BETA version and should I go for it?

What improvements/differences can I expect?

73 de Tom
GM4FDM

--
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Re: [Elecraft] K3 Software

[Dr. Werner Furlan]

hi Tom, 

Tom Wylie schrieb am 30 Aug 2008 um 8:37:

 I built my K3 about 2 months ago and have now made a couple of thousand
 QSOs with it and am very satisfied.
 
 Question:  Should I upload the latest software?

yes.

 What is the latest NON BETA version that is stable and works?

it will display in the Elecraft Utility program when you start it and look for 
updates. 

 What is the latest BETA version and should I go for it?

you can find the non Beta and Beta version on Elecraft's ftp server.
ftp.elecraft.com

 What improvements/differences can I expect?

you find a file called hfwnotes.rtf in the zip file of the firmware.

The latest beta is 3.34.


73! de Werner OE9FWV

-- 
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Email powered by Pegasus Mail free at http://www.pmail.com
Homepage: http://www.qsl.net/oe9fwv/
Fone +43 5522 75013
Fax +43 820 555 85 2621
Mobile +43 664 6340014
Elecraft K2 #5203 K3 #656


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Re: [Elecraft] K3 Software

[GM0ELP]

Hi Tom,
Everyone will answer that question differently dependent on which feature
set is most important to them and what hardware they have installed in their
K3. Have a look at:

ftp://ftp.elecraft.com/K3/firmware/beta/hfwnotes.rtf

From these notes, you can determine which release has the features that are
important to you. I keep all previous 'known' firmware releases on my hard
drive in separate folders and also download the latest beta release. This
allows me to experiment with the latest, whilst having a known version to
fall back on. This method takes all 'risk' out of the equation and allows
you to contribute to firmware development.

At the moment my 'known' release is V2.23 which I have played with for a
couple of weeks without problems and would recommend for a basic K3.

There have been a flurry of releases recently introducing new firmware and
fixing old bugs which seems to be coming to a head before formal release
(currently V2.34). I wouldn't bother with the current latest formal release
(V2.02) as it seems to be completely out of date.


Doug GM0ELP



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[Elecraft] K3 Transmiter IMD figures

[Keith Bainbridge]

A friend has commented that in the ARRL test the IMD figures for the tx 
chain of -27dB were pretty poor. I'm sure there was discussion about 
this at the time the report was released but a search of the archives 
hasn't revealed it to me.
Can anyone point me in the right direction so I can explain the results 
to him.

Many thanks
73
Keith
--
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VK6XH / VK6DXR
Chairman WIA VK6 Advisory Committee.
Northern Corridor Radio Group Inc VK6ANC
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Re: [Elecraft] K3 Transmiter IMD figures

[Julian, G4ILO]

Keith Bainbridge-2 wrote:
 
 A friend has commented that in the ARRL test the IMD figures for the tx 
 chain of -27dB were pretty poor. I'm sure there was discussion about 
 this at the time the report was released but a search of the archives 
 hasn't revealed it to me.
 Can anyone point me in the right direction so I can explain the results 
 to him.
 
I think the reference you are looking for is this:
http://www.mail-archive.com/elecraft@mailman.qth.net/msg50667.html .

Subsequently I believe it was found that in the version of firmware used,
the speech compressor was not being bypassed when the control was turned to
0. This added sufficient extra distortion to cause the -27dB figure that was
quoted rather than the -30dB that Elecraft expected.

-
Julian, G4ILO. K2 #392  K3 #222.
http://www.g4ilo.com/ G4ILO's Shack   http://www.ham-directory.com/ Ham
Directoryhttp://www.g4ilo.com/kcomm.html KComm for Elecraft K2 and K3 
-- 
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Re: [Elecraft] Prospective K3 Owner

[David Woolley (E.L)]

Julian, G4ILO wrote:






It seems to be impossible nowadays to buy tools of any sort that are not
cheap cr*p made in China from poor quality steel that gets chewed up at the
first tough job it encounters.


This has very little to do with where they are manufactured, and a great 
deal to do with how little people in West are prepared to pay, 
especially the people who buy from DIY superstores.


Modern marketing practices, which consider actually educating the user 
either too boring or likely to raise their FUD (fear, uncertainty and 
doubt) about the purchase, may also contribute.


If you take the sort of cordless hammer drill that the man in the street 
or cowboy trader might buy, you might pay GBP 33.  If you buy the sort 
of hammer drill one would expect a professional tradesman to use, you 
might be paying GBP 209.  (It is possible, though, that screwdrivers are 
so cheap that tradesmen treat them as consumables.)


You get a similar problem with ISPs.  The reason that they tend to use 
overseas call centres which tell you to re-install Windows  is that that 
is all you can afford to do at the prices that customers are prepared to 
pay.


--
David Woolley
The Elecraft list is a forum for the discussion of topics related to 
Elecraft products and more general topics related ham radio

List Guidelines http://www.elecraft.com/elecraft_list_guidelines.htm
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[Elecraft] K3 - DSP ringing on CW SSB

[Berni G0IDA]

Hi everyone,

I have had my K3 almost a week and I am very happy with it :-)

I do however hear what I would describe as a ringing sound (and always), 
perhaps caused by the DSP.
When I tune to a CW signal with any filter configuration although less 
pronounced using 250Hz filter the tone of the signal is good. But when I 
tune away from it and QSY up the band  the tone gets higher in 
frequency I can hear what I would call ringing and it is very slight but 
enough for it to be anoying.


This does not always happen and may be if I press a combination of keys 
like NR, NB, WIDTH, SHIFT it causes this to go away, I haven't worked 
out if it is indeed a combination of keys or not.


I've tried a different set of headphones just in case the headphones 
(Heil) were rattling but it is the same.


This happens too on SSB as you tune away from the signal and is randomly 
there or not.


Perhaps there are settings which optimize this?
I have the RX EQ set up to cut the last 2 high frequencies off by 6dB 
and 10dB but it seems to make no difference how I set these.


Does anyone else hear this very mild Ringing?

73's
Berni
G0IDA
K3 #1474

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Re: [Elecraft] K3 Software

[Julian, G4ILO]

My guiding principle has always been if it ain't broke, don't fix it. Since
nothing is broken for me that the latest firmware builds fix, I'm sticking
with the version I'm using.

-
Julian, G4ILO. K2 #392  K3 #222.
http://www.g4ilo.com/ G4ILO's Shack   http://www.ham-directory.com/ Ham
Directoryhttp://www.g4ilo.com/kcomm.html KComm for Elecraft K2 and K3 
-- 
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http://n2.nabble.com/K3-Software-tp793715p793830.html
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Re: [Elecraft] K3 Transmiter IMD figures

[Ken Wagner K3IU]

G'morning(here), Keith:

You can look at an email from Wayne on this subject here.

http://n2.nabble.com/re%3A--ARRL-K3-review-for-Apr-QST-posted--TX-IMD--td462836.html#a462836

73, Ken K3IU


Keith Bainbridge wrote:
A friend has commented that in the ARRL test the IMD figures for the 
tx chain of -27dB were pretty poor. I'm sure there was discussion 
about this at the time the report was released but a search of the 
archives hasn't revealed it to me.
Can anyone point me in the right direction so I can explain the 
results to him.

Many thanks
73
Keith

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Re: [Elecraft] K3 FSK RTTY

[Julian, G4ILO]

Jim Talens wrote:
 
 I am having a problem getting my K3 working on RTTY in the FSK mode using
 a
 serial-to-USB converter.  Using MMTTY and not the Belkin (now unavailable)
 converter, it just won't function, even with extfsk.dll installed. 
 However,
 it does work fine using COM1 and a direct serial connection to the K3.  
 
 When using COM8 and the serial-USB converter it does not work.
 
 Most of the MMTTY information is somewhat outdated, perhaps, given the
 bulk
 of information about it dates to 2005-2005.  
 
 What are others using to get going on FSK using a serial-USB converter?
 
 

I don't have an answer but I will be interested to read the responses. I
don't think FSK using a USB to serial converter will be very satisfactory,
if it works at all. The serial data must be converted to a packet stream
that is sent over the USB bus, which must in principle be able to time share
it with other USB devices. Therefore the timing of the signal changes you
are using to produce FSK will not be exactly as generated by the software,
and any RTTY that is generated could be difficult to copy.

The USB to serial driver has probably not been written to cope with the idea
of the serial control lines being used for a purpose other than hardware
flow control. Why not just use AFSK? Alternatively, get a PCI serial port
board (assuming you aren't using a laptop.)

-
Julian, G4ILO. K2 #392  K3 #222.
http://www.g4ilo.com/ G4ILO's Shack   http://www.ham-directory.com/ Ham
Directoryhttp://www.g4ilo.com/kcomm.html KComm for Elecraft K2 and K3 
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[Elecraft] Serial to USB driver for Vista

[George Marr]

The Prolific web site asks the following for Vista users

NOTE: Prolific will not be providing Vista drivers for end-users. Please 
contact the vendor of your cable for Vista driver availability and support.
Prolific recommends to purchase from following Cable Makers that provides 
Vista driver and tech support:

(1) ATEN UC232A USB to Serial
(2) I-O Data USB to RS232C
(3) Belkin USB to Serial
(4) Elecom USB to RS232C

Which of these should I download
the disk gives no indication and I dumped the packaging
Which one did you supply

George Marr
ZL1TUJ
K3 #1452 


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Re: [Elecraft] K3 - DSP ringing on CW SSB

[Paul Fletcher]

Berni G0IDA wrote:
 
 Does anyone else hear this very mild Ringing?
 
 73's
 Berni
 G0IDA
 K3 #1474
 
 

Yes but only in my good ear (no joke!) Look at the K3 audio posts a week or
so ago.

Cheers,
Paul.
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[Elecraft] K3 - Link VFO's - Lock Icon

[Stewart Baker]

I don't know which beta release it was implemented in, but I
notice that when the VFO's are LINKED there is a Lock Icon against
VFO B.

I know that it is not possible to tune using VFO B when the VFO's
are linked, but I find the use of the Lock icon when in LINKED
mode confusing. It doesn't specifically tell me that whether the
VFO's are linked or just that VFO B is locked.

I would prefer another method of showing that the VFO's were
linked.

Maybe by making the left hand decimal point flash. This method is
used with the right hand decimal point flashing to indicate the
DIVERSITY mode.

What do others think ?

73
Stewart G3RXQ




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RE: [Elecraft] Serial to USB driver for Vista

[Dick Dievendorff]

I got Vista drivers for the Prolific chipset from Microsoft Update when I
first plugged the KUSB into my laptop. This is mentioned in K3 Utility Help
under USB to Serial Adapter Troubleshooting:

Microsoft Windows Vista users can obtain an acceptable device driver from
Microsoft's Windows Update service when the KUSB is first plugged in.

Dick, K6KR



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of George Marr
Sent: Saturday, August 30, 2008 3:04 AM
To: Elecraft
Subject: [Elecraft] Serial to USB driver for Vista

The Prolific web site asks the following for Vista users

NOTE: Prolific will not be providing Vista drivers for end-users. Please 
contact the vendor of your cable for Vista driver availability and support.
Prolific recommends to purchase from following Cable Makers that provides 
Vista driver and tech support:
(1) ATEN UC232A USB to Serial
(2) I-O Data USB to RS232C
(3) Belkin USB to Serial
(4) Elecom USB to RS232C

Which of these should I download
the disk gives no indication and I dumped the packaging
Which one did you supply

George Marr
ZL1TUJ
K3 #1452 

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Re: [Elecraft] K3 - Link VFO's - Lock Icon

[Brendan Minish]

I think it's fine the way it is, it is after all the Lock Icon for VFOB
AND it's easy to see that the VFO's are tuning together. 

However I don't think VFOB should be locked in Linked mode, Just in
Diversity mode 


73
Brendan EI6IZ 


On Sat, 2008-08-30 at 12:34 +0100, Stewart Baker wrote:
 I don't know which beta release it was implemented in, but I 
 notice that when the VFO's are LINKED there is a Lock Icon against 
 VFO B.
 
 I know that it is not possible to tune using VFO B when the VFO's 
 are linked, but I find the use of the Lock icon when in LINKED 
 mode confusing. It doesn't specifically tell me that whether the 
 VFO's are linked or just that VFO B is locked.
  
 I would prefer another method of showing that the VFO's were 
 linked. 
 
 Maybe by making the left hand decimal point flash. This method is 
 used with the right hand decimal point flashing to indicate the 
 DIVERSITY mode.
 
 What do others think ?
 
 73
 Stewart G3RXQ
 
 
 
 
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Don‘t complain. Nobody will understand. Or care. And certainly don‘t try
to fix the situation yourself. It‘s dangerous. Leave it to a highly
untrained, unqualified, expendable professional.

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Re: [Elecraft] K3 - DSP ringing on CW SSB

[n4lq]

Berni
This sounds like harmonic distortion, not ringing. It's the same thing 
people are seeing on their PSK waterfalls and calling it a ghost. There's 
not much you can do about it.


Steve Ellington
[EMAIL PROTECTED]
- Original Message - 
From: Berni G0IDA [EMAIL PROTECTED]

To: elecraft@mailman.qth.net
Sent: Saturday, August 30, 2008 5:42 AM
Subject: [Elecraft] K3 - DSP ringing on CW  SSB



Hi everyone,

I have had my K3 almost a week and I am very happy with it :-)

I do however hear what I would describe as a ringing sound (and always), 
perhaps caused by the DSP.
When I tune to a CW signal with any filter configuration although less 
pronounced using 250Hz filter the tone of the signal is good. But when I 
tune away from it and QSY up the band  the tone gets higher in frequency 
I can hear what I would call ringing and it is very slight but enough for 
it to be anoying.


This does not always happen and may be if I press a combination of keys 
like NR, NB, WIDTH, SHIFT it causes this to go away, I haven't worked out 
if it is indeed a combination of keys or not.


I've tried a different set of headphones just in case the headphones 
(Heil) were rattling but it is the same.


This happens too on SSB as you tune away from the signal and is randomly 
there or not.


Perhaps there are settings which optimize this?
I have the RX EQ set up to cut the last 2 high frequencies off by 6dB and 
10dB but it seems to make no difference how I set these.


Does anyone else hear this very mild Ringing?

73's
Berni
G0IDA
K3 #1474

--
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No virus found in this incoming message.
Checked by AVG - http://www.avg.com Version: 8.0.169 / Virus Database: 
270.6.12/1640 - Release Date: 8/28/2008 6:58 PM






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Re: [Elecraft] K3 - Link VFO's - Lock Icon

[David Cutter]

I will be trying diversity mode when I get mine going, so an indicator like 
this would be useful.


David
G3UNA




Maybe by making the left hand decimal point flash. This method is
used with the right hand decimal point flashing to indicate the
DIVERSITY mode.

What do others think ?

73
Stewart G3RXQ




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Re: [Elecraft] K3 - DSP ringing on CW SSB

[Berni G0IDA]

Surely that means every K3 has this but there seems to be no complaints 
about it on CW or SSB?
I'm listening now to the YO contest and playing with settings and it is 
quite marked ringing :-(


Is there a way of reducing this?

Cheers,

Berni
G0IDA

n4lq wrote:

Berni
This sounds like harmonic distortion, not ringing. It's the same thing 
people are seeing on their PSK waterfalls and calling it a ghost. 
There's not much you can do about it.


Steve Ellington
[EMAIL PROTECTED]
- Original Message - From: Berni G0IDA [EMAIL PROTECTED]
To: elecraft@mailman.qth.net
Sent: Saturday, August 30, 2008 5:42 AM
Subject: [Elecraft] K3 - DSP ringing on CW  SSB



Hi everyone,

I have had my K3 almost a week and I am very happy with it :-)

I do however hear what I would describe as a ringing sound (and 
always), perhaps caused by the DSP.
When I tune to a CW signal with any filter configuration although 
less pronounced using 250Hz filter the tone of the signal is good. 
But when I tune away from it and QSY up the band  the tone gets 
higher in frequency I can hear what I would call ringing and it is 
very slight but enough for it to be anoying.


This does not always happen and may be if I press a combination of 
keys like NR, NB, WIDTH, SHIFT it causes this to go away, I haven't 
worked out if it is indeed a combination of keys or not.


I've tried a different set of headphones just in case the headphones 
(Heil) were rattling but it is the same.


This happens too on SSB as you tune away from the signal and is 
randomly there or not.


Perhaps there are settings which optimize this?
I have the RX EQ set up to cut the last 2 high frequencies off by 6dB 
and 10dB but it seems to make no difference how I set these.


Does anyone else hear this very mild Ringing?

73's
Berni
G0IDA
K3 #1474

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RE: [Elecraft] KRX3 questions

[Bill W4ZV]

Arie Kleingeld PA3A wrote:
 
 Lyle,
 
 I can understand why the beat effect can happen at certain frequencies.
 I read the message about the rounding errors.
 
 My question is: can you give an indication of how often this happens. Of
 course it depends on freq and filter offset but still, can you give an
 idication how bad it is.
 Anyone ?
 
 

The beat is not the same as the difference in filter offsets.  Somewhere in
the KRX3 documentation I believe it states the beat may only be as bad as a
Hz or so.  

73,  Bill

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RE: [Elecraft] K3 Remote ATU

[Craig D. Smith]

 I will vote for the remote antenna tuner and a Syllabic Squelch.

AMEN!  A weather resistant Elecraft remote tuner is at the top of my list.
Ideally one with a balanced topology.
   ... Craig  AC0DS


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RE: [Elecraft] KRX3 questions

[Bill W4ZV]

Bill W4ZV wrote:
 
 
 
 Arie Kleingeld PA3A wrote:
 
 Lyle,
 
 I can understand why the beat effect can happen at certain frequencies.
 I read the message about the rounding errors.
 
 My question is: can you give an indication of how often this happens. Of
 course it depends on freq and filter offset but still, can you give an
 idication how bad it is.
 Anyone ?
 
 
 
 The beat is not the same as the difference in filter offsets.  Somewhere
 in the KRX3 documentation I believe it states the beat may only be as bad
 as a Hz or so.  
 
 73,  Bill
 
 

Found the reference on page 42 of the KRX3 manual (1.6 MB):

Diversity receive performance may be enhanced by
using crystal filters with matched offsets
(CONFIG:FLx FRQ). This ensures that the VFOs
are at exactly the same frequency. Non-matched
filter offsets will result in a difference of about +/- 1
Hz between the two synthesizers, which may be
heard as a “beat note” under some conditions.

http://www.elecraft.com/manual/KRX3_Subreceiver_Install__Operate_Rev_A_WEB.pdf

73,  Bill

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Re: [Elecraft] K3 - DSP ringing on CW SSB

[Brendan Minish]

If you have the audio effects turned on and only one speaker you could
have comb filtering and this might sound like ringing 


73
Brendan 


On Sat, 2008-08-30 at 13:34 +0100, Berni G0IDA wrote:
 Surely that means every K3 has this but there seems to be no complaints 
 about it on CW or SSB?
 I'm listening now to the YO contest and playing with settings and it is 
 quite marked ringing :-(
 
 Is there a way of reducing this?
 
 Cheers,
 
 Berni
 G0IDA
 
 n4lq wrote:
  Berni
  This sounds like harmonic distortion, not ringing. It's the same thing 
  people are seeing on their PSK waterfalls and calling it a ghost. 
  There's not much you can do about it.
 
  Steve Ellington
  [EMAIL PROTECTED]
  - Original Message - From: Berni G0IDA [EMAIL PROTECTED]
  To: elecraft@mailman.qth.net
  Sent: Saturday, August 30, 2008 5:42 AM
  Subject: [Elecraft] K3 - DSP ringing on CW  SSB
 
 
  Hi everyone,
 
  I have had my K3 almost a week and I am very happy with it :-)
 
  I do however hear what I would describe as a ringing sound (and 
  always), perhaps caused by the DSP.
  When I tune to a CW signal with any filter configuration although 
  less pronounced using 250Hz filter the tone of the signal is good. 
  But when I tune away from it and QSY up the band  the tone gets 
  higher in frequency I can hear what I would call ringing and it is 
  very slight but enough for it to be anoying.
 
  This does not always happen and may be if I press a combination of 
  keys like NR, NB, WIDTH, SHIFT it causes this to go away, I haven't 
  worked out if it is indeed a combination of keys or not.
 
  I've tried a different set of headphones just in case the headphones 
  (Heil) were rattling but it is the same.
 
  This happens too on SSB as you tune away from the signal and is 
  randomly there or not.
 
  Perhaps there are settings which optimize this?
  I have the RX EQ set up to cut the last 2 high frequencies off by 6dB 
  and 10dB but it seems to make no difference how I set these.
 
  Does anyone else hear this very mild Ringing?
 
  73's
  Berni
  G0IDA
  K3 #1474
 
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Re: [Elecraft] K3 Software

[Nick-WA5BDU]

I'd wait until the latest beta (now 2.34) has been out there a week or 
two and then consider it a de-facto official release and use it.  By 
then users will have spotted all but the most obscure and/or least 
offensive bugs and they will have been corrected.


I'm on the fast track myself though.

73--Nick, WA5BDU
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[Elecraft] K3 Beta revision 2.34 filter dual pb main and sub

[f5moo]

hello all

the little probleme with soft 2.34

in rtty mode main and sub

if i put the sub in dual pb it is ok
if i put the main norm (not dual)
if i put bset the filter change to norm and the icon dual stay
i think it is the little bug

73 from france

excuse me for the english
73
terry F5MOO
K3 #153


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[Elecraft] K3 Newbie

[WN3R, Dick]

I've been a subscriber to this list since the day I ordered the K3 back in
March 2008.  The factory assembled and tested radio is due to arrive next
week.  

I'd like to hear about any issues previously listed here I need to read
before next week. Please respond to me OFF-LIST as I am sure this request is
not interesting to the old timers. No sense in disrupting the flow of
current info with my silly (perhaps, even lazy) request.

I need all the time-saving help I can get since rewiring the station to
integrate the K3 in the first operating position will take some time.
Contest season is upon us.

I'm using N1MM software for contests with Logic 8/TRX Manager for daily
contacts and moving the FT-1000MP to the second position.

Thanks,

73, Dick

[EMAIL PROTECTED]


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Re: [Elecraft] K3 - DSP ringing on CW SSB

[Julian, G4ILO]

Perhaps I don't understand the meaning of the term 'ringing' but it seems to
me that on any radio when you use a narrow filter you hear a sort of ringing
noise that has a pitch of the frequency the filter is centered on. It's an
inevitable result of the fact that you are not hearing an even distribution
of noise across the whole audio spectrum, but a narrow segment of noise
whose amplitude distribution follows the shape of the filter. In other
words, I think it's normal.

-
Julian, G4ILO. K2 #392  K3 #222.
http://www.g4ilo.com/ G4ILO's Shack   http://www.ham-directory.com/ Ham
Directoryhttp://www.g4ilo.com/kcomm.html KComm for Elecraft K2 and K3 
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Re: [Elecraft] K3 Remote ATU

[Ian White GM3SEK]

Craig D. Smith wrote:

 I will vote for the remote antenna tuner and a Syllabic Squelch.

AMEN!  A weather resistant Elecraft remote tuner is at the top of my 
list. Ideally one with a balanced topology.


An earlier priority should be support to allow *existing* external 
antenna tuners to interface with the K3.



--

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http://www.ifwtech.co.uk/g3sek
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Re: [Elecraft] KRX3 questions

[Tom Childers, N5GE]

On Sat, 30 Aug 2008 05:57:15 -0700 (PDT), Bill W4ZV [EMAIL PROTECTED]
wrote:

[snip]
 The beat is not the same as the difference in filter offsets.  Somewhere
 in the KRX3 documentation I believe it states the beat may only be as bad
 as a Hz or so.  
 
 73,  Bill
 
 

Found the reference on page 42 of the KRX3 manual (1.6 MB):

Diversity receive performance may be enhanced by
using crystal filters with matched offsets
(CONFIG:FLx FRQ). This ensures that the VFOs
are at exactly the same frequency. Non-matched
filter offsets will result in a difference of about +/- 1
Hz between the two synthesizers, which may be
heard as a “beat note” under some conditions.

http://www.elecraft.com/manual/KRX3_Subreceiver_Install__Operate_Rev_A_WEB.pdf

73,  Bill

This beat note experience is one of the reasons I got a K3.  My Orion II always
had a 6Hz difference between the A VFO and B VFO.  It was very irritating after
having Kenwoods and Yaesus that did not suffer from that problem.

I am still waiting for my KRX3, but when I heard about the offset possibility I
changed my order for the KRX3 from a 2.7 KHz filter to a 2.8Khz filter (the
others ordered are all 8 pole filters) and replaced the 2.7Khz filter in the K3
with a 2.8Khz filter.


Tom, N5GE - SWOT 3537 - Grid EM12jq

Those who would give up 
Essential Liberty to 
purchase a little Temporary 
Safety deserve neither 
Liberty nor Safety 

An excerpt from a letter 
written in 1755 from the 
Assembly to the Governor 
of Pennsylvania.

Support the entire Constitution, not 
just the parts you like.

http://www.n5ge.com
http://www.eQSL.cc/Member.cfm?N5GE

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[Elecraft] KRX3 in diversity and beatnotes

[Arie Kleingeld PA3A]

(was subject KRX3 Questions)

Thanks Bill,


I think I have to restate the question for the group.


Just suppose that main and sub receivers have filters with different
off-sets. It is stated that in some cases a 1Hz beatnote occurs due to
rounding errors.

Question is:

How often does the 1 Hz beat 'note'  occur?
Is it on almost all frequencies, or is it only on say 10 frequencies in
a band or is it there in a part of a band (for axample the beatnote is
there from 1.812.009 until 1.815.004)

(Yes, it will depend on band and on filter offsets but I'd like to hear
some experiences from guys who have tried it. Give me the facts  :-)  )


Thanks in advance,
73
Arie PA3A



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Re: [Elecraft] KRX3 questions

[Bill W4ZV]

Tom Childers, N5GE wrote:
 
 This beat note experience is one of the reasons I got a K3.  My Orion II
 always
 had a 6Hz difference between the A VFO and B VFO.  It was very irritating
 after
 having Kenwoods and Yaesus that did not suffer from that problem.
 
 I am still waiting for my KRX3, but when I heard about the offset
 possibility I
 changed my order for the KRX3 from a 2.7 KHz filter to a 2.8Khz filter
 (the
 others ordered are all 8 pole filters) and replaced the 2.7Khz filter in
 the K3
 with a 2.8Khz filter.
 

I  experienced the same problem with my Orion but it had a constant 2.3 Hz
offset.  

It's absolutely unnecessary to use only 8-pole filters in the K3 for
diversity.  In the case previously cited here by Doug N6TQS, his 2.7k
offsets were only off by 10 Hz so it would not cause any problem to set both
to the same offset (i.e. 10 Hz out of 2700 Hz is 0.4% and not significant).  

Don't be deceived in thinking 8-pole filters actually have zero Hz
offsets...they don't!  Several others (W0YK for one) have reported narrow CW
8-pole filters with offsets of 40-80 Hz.  In a 250 Hz (actually 370 Hz)
8-pole CW filter, this can be significant (i.e.  80 Hz out of 370 Hz is
~20%).  Also, if you go through the process to zero them, there is no
guarantee that any two 8-pole CW filters will actually have the same offset.

When I ordered my new K3 with KRX3, I did not order matched 2.7k and 500 Hz
filters, thinking that the 2.7ks would not be far enough off to be
significant and hoping the 500s would be about the same since they would
probably come from the same manufacturing batch.  The 2.7ks were off by 30
Hz so I split the difference and set both offsets to a number between, as
Lyle suggested.  The 500s just happened to be identical.  If they had been
off significantly (e.g. 50 Hz), I might have returned one and asked for a
matched filter at the additional $30 cost.   

My KRX3 works perfectly in diversity with no beat using only 5-pole filters.

73,  Bill

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[Elecraft] Firmware request KRC2

[AD6XY]

I wonder if it is possible to make the K3 lie to the KRC2 that 50 MHz is
via a transverter? This would help my switching problem and I think might be
of general use to those upgrading from K2+XV50 to K3.

Mike
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RE: [Elecraft] K3 - DSP ringing on CW SSB

[Robert Carroll]

I'm not disagreeing with Julian at all  but wanted to toss out some related
ideas.   The noise you hear does become colored as you crank down a properly
designed DSP filter--and centered on the filter freq.  On the other hand
some poorly designed filters are excited by energy near the center freq and
do ring.  I have a rice box reviewed in a recent QST, and the review pointed
out the filter is so bad at 100Hz and below it becomes unusable.  A little
noise crackle and ringing like a bell begins and does not drop much for a
few seconds--tough on high speed cw.  Another phenomenon to consider is
aliasing.  This has popped up in a few versions of Orion software causing
ghost signals to appear in the subreceiver.  I was recently amused to find
an audio discussion of this in which someone commented about a ghost band
playing.  Here's a link  http://www.dsprelated.com/showmessage/24519/1.php
.  I would really be surprised if the K3 had any of these problems.  So far
I haven't bought one but I am creeping up to it.

Julian, I really like your VOAProp package.

73
Bob W2WG

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Julian, G4ILO
Sent: Saturday, August 30, 2008 9:17 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 - DSP ringing on CW  SSB


Perhaps I don't understand the meaning of the term 'ringing' but it seems to
me that on any radio when you use a narrow filter you hear a sort of ringing
noise that has a pitch of the frequency the filter is centered on. It's an
inevitable result of the fact that you are not hearing an even distribution
of noise across the whole audio spectrum, but a narrow segment of noise
whose amplitude distribution follows the shape of the filter. In other
words, I think it's normal.

-
Julian, G4ILO. K2 #392  K3 #222.
http://www.g4ilo.com/ G4ILO's Shack   http://www.ham-directory.com/ Ham
Directoryhttp://www.g4ilo.com/kcomm.html KComm for Elecraft K2 and K3 
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[Elecraft] K3 firmware latest public release...is it 2.02

[Gary Nichols]

Looking at the K3 software page it still appears that 2.02 is the latest
approved release.  Am I missing something here?  From the reflector it seems
there are much later releases.  TIA, de gary, kd9sv

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Re: [Elecraft] KRX3 questions

[David Cutter]

I'm hoping that for diversity I can just switch off my main rx filters and 
have both with only the stock 2.7kHz filter.  I only need the narrow roofing 
filters when I am near extremely strong local stations, which doesn't happen 
much.  I don't see a need to have 2 sets of roofing filters unless there is 
very strong local QRM,  perhaps 40m bc at night in some parts of Eu or 
on/near a contest station.


David
G3UNA



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RE: [Elecraft] Firmware request KRC2

[Joe Subich, W4TV]

If you use the BCD outputs on the ACC jack and J4 on the 
KRC-2 (pg 24 of the KRC-2 manual), 6 meters will show up 
as the 60M band.  

73, 

   ... Joe, W4TV 
 



 -Original Message-
 From: [EMAIL PROTECTED] 
 [mailto:[EMAIL PROTECTED] On Behalf Of AD6XY
 Sent: Saturday, August 30, 2008 10:20 AM
 To: elecraft@mailman.qth.net
 Subject: [Elecraft] Firmware request KRC2
 
 
 
 I wonder if it is possible to make the K3 lie to the KRC2 
 that 50 MHz is via a transverter? This would help my 
 switching problem and I think might be of general use to 
 those upgrading from K2+XV50 to K3.
 
 Mike
 -- 


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Re: [Elecraft] KRX3 questions

[Bill W4ZV]

David Cutter wrote:
 
 I'm hoping that for diversity I can just switch off my main rx filters and 
 have both with only the stock 2.7kHz filter.  I only need the narrow
 roofing 
 filters when I am near extremely strong local stations, which doesn't
 happen 
 much.  I don't see a need to have 2 sets of roofing filters unless there
 is 
 very strong local QRM,  perhaps 40m bc at night in some parts of Eu or 
 on/near a contest station.
 

Yes you could use the K3 Utility to do that when you wanted to use
diversity.  I have 2.7k/1.8k/500/200 in my Main but only 2.7k/500 in the
Sub.  When I want to use diversity, I just remember to use a WIDTH which
will auto-select either the 2.7k or 500.  This way I can still use the
1.8k/200 for severe QRM situations in non-diversity and the 2.7k/500 for
diversity and/or other situations.

73,  Bill

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RE: [Elecraft] KRX3 questions

[Joe Subich, W4TV]

Bill, 

 I have 2.7k/1.8k/500/200 in my Main but 
 only 2.7k/500 in the Sub.  When I want to use diversity, I 
 just remember to use a WIDTH which will auto-select either 
 the 2.7k or 500.  This way I can still use the 1.8k/200 for 
 severe QRM situations in non-diversity and the 2.7k/500 for 
 diversity and/or other situations.

With some thought would it not be possible to get 500 and 200 Hz 
filters with matched offsets so one could use bandwidth diversity 
in addition to antenna diversity?  I will not be able to try that 
with my first K3 when that KRX3 arrives since the existing 500 
and 250 Hz filters have different offsets but I will look at the 
200 Hz filter in the second rig to see if it is close enough to 
the -790 Hz (measured in radio #1, specified for radio 2) to be 
useful. 

73, 

   ... Joe, W4TV 
  


 -Original Message-
 From: [EMAIL PROTECTED] 
 [mailto:[EMAIL PROTECTED] On Behalf Of Bill W4ZV
 Sent: Saturday, August 30, 2008 11:47 AM
 To: elecraft@mailman.qth.net
 Subject: Re: [Elecraft] KRX3 questions
 
 
 
 
 
 David Cutter wrote:
  
  I'm hoping that for diversity I can just switch off my main 
 rx filters 
  and
  have both with only the stock 2.7kHz filter.  I only need the narrow
  roofing 
  filters when I am near extremely strong local stations, 
 which doesn't
  happen 
  much.  I don't see a need to have 2 sets of roofing filters 
 unless there
  is 
  very strong local QRM,  perhaps 40m bc at night in some 
 parts of Eu or 
  on/near a contest station.
  
 
 Yes you could use the K3 Utility to do that when you wanted 
 to use diversity.  I have 2.7k/1.8k/500/200 in my Main but 
 only 2.7k/500 in the Sub.  When I want to use diversity, I 
 just remember to use a WIDTH which will auto-select either 
 the 2.7k or 500.  This way I can still use the 1.8k/200 for 
 severe QRM situations in non-diversity and the 2.7k/500 for 
 diversity and/or other situations.
 
 73,  Bill
 


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[Elecraft] K3 firmware latest public release...is it 2.02

[Bruce Beford]

2.02 is the latest public release, 2.34 is the latest beta release (a/o 1616
UTC, 30-Aug-2008)
Many people are loading the beta releases, to take advantage of newly
implemented features, and to help uncover any subtle bugs.
-Bruce N1RX

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RE: [Elecraft] KRX3 questions

[Bill W4ZV]

Joe Subich, W4TV-3 wrote:
 
 
 Bill, 
 
 I have 2.7k/1.8k/500/200 in my Main but 
 only 2.7k/500 in the Sub.  When I want to use diversity, I 
 just remember to use a WIDTH which will auto-select either 
 the 2.7k or 500.  This way I can still use the 1.8k/200 for 
 severe QRM situations in non-diversity and the 2.7k/500 for 
 diversity and/or other situations.
 
 With some thought would it not be possible to get 500 and 200 Hz 
 filters with matched offsets so one could use bandwidth diversity 
 in addition to antenna diversity?  I will not be able to try that 
 with my first K3 when that KRX3 arrives since the existing 500 
 and 250 Hz filters have different offsets but I will look at the 
 200 Hz filter in the second rig to see if it is close enough to 
 the -790 Hz (measured in radio #1, specified for radio 2) to be 
 useful. 
 

Sure you could probably do that if the offsets between the 500 and 200 are
not too far off.  You'll probably want to set the 500 equal to the 200
rather than vice versa if they aren't identical (i.e. a shift in a 500 Hz BW
is not as critical as the same shift in a 200).  I'm not at home now but I
recall my 500s are both -0.84 and my 200 is -0.91.  If I wanted to try what
you described I would set both 500s to -0.91 since a shift of 70 Hz is still
not unreasonable in ~500 Hz total BW.

The magicians at Elecraft are now at work on an improved DUAL PB which will
allow more flexibility in the context WIDTH setting, which would accomplish
somewhat similar results (but the context BW is attenuated by -24 dB versus
the focus BW).

73,  Bill

-- 
View this message in context: 
http://n2.nabble.com/KRX3-questions-tp793412p794215.html
Sent from the Elecraft mailing list archive at Nabble.com.

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[Elecraft] Trade K2/10 for KA100 KAT100 remote setup

[Robert L Kalkwarf]

Hi, I have an extra K2/10 ksb2,kaf2,160, kat2 and would like to trade  
for a remote EC2 KA100 and KAT100 setup.  Any interests?


Bob W7WO Lacey, Wa

[EMAIL PROTECTED]

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Re: [Elecraft] K3 - DSP ringing on CW SSB

[Berni G0IDA]

Thank you all for the replies.

I would just like to clear up a few things:

I'm going to call it DISTORTION and not ringing as ringing is more 
related to crystal filters as G4ILO pointed out and it is not filter 
ringing which I have recognized in some previous rigs I've owned. I just 
didn't know how to call it.


The distortion happens irrespective of filter used, even with the 2.7KHz 
and the WIDTH opened right up it is still there.

The effects AFX makes no difference.
I am using stereo headphones.
I don't have a waterfall program... can someone suggest on please.

I've noticed when listening to my desired CW signal at a beat frequency 
of 650Hz the signal is clear  only occasionally distorts but when 
tuning the same signal and moving up in frequency at about twice 650Hz 
(1300Hz) it starts to distort.

On SSB it is more pronounced as you tune.

I hope there will be a fix for this.

Does anyone else suffer from this?
I have read the PSK thread but I'm more interested in CW users in 
particular.


Berni
G0IDA


Robert Carroll wrote:

I'm not disagreeing with Julian at all  but wanted to toss out some related
ideas.   The noise you hear does become colored as you crank down a properly
designed DSP filter--and centered on the filter freq.  On the other hand
some poorly designed filters are excited by energy near the center freq and
do ring.  I have a rice box reviewed in a recent QST, and the review pointed
out the filter is so bad at 100Hz and below it becomes unusable.  A little
noise crackle and ringing like a bell begins and does not drop much for a
few seconds--tough on high speed cw.  Another phenomenon to consider is
aliasing.  This has popped up in a few versions of Orion software causing
ghost signals to appear in the subreceiver.  I was recently amused to find
an audio discussion of this in which someone commented about a ghost band
playing.  Here's a link  http://www.dsprelated.com/showmessage/24519/1.php
.  I would really be surprised if the K3 had any of these problems.  So far
I haven't bought one but I am creeping up to it.

Julian, I really like your VOAProp package.

73
Bob W2WG

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Julian, G4ILO
Sent: Saturday, August 30, 2008 9:17 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 - DSP ringing on CW  SSB


Perhaps I don't understand the meaning of the term 'ringing' but it seems to
me that on any radio when you use a narrow filter you hear a sort of ringing
noise that has a pitch of the frequency the filter is centered on. It's an
inevitable result of the fact that you are not hearing an even distribution
of noise across the whole audio spectrum, but a narrow segment of noise
whose amplitude distribution follows the shape of the filter. In other
words, I think it's normal.

-
Julian, G4ILO. K2 #392  K3 #222.
http://www.g4ilo.com/ G4ILO's Shack   http://www.ham-directory.com/ Ham
Directoryhttp://www.g4ilo.com/kcomm.html KComm for Elecraft K2 and K3 
  


--
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[Elecraft] K2 KNB2 MOD WORKS GRRREAT!

[K2ZLS]

  I just got around to adding the KNB2 mod prompted by Joe Planisky  
KB8AP  and originally  designed by Stefan Steger  DL7MAJ.WOW  is all 
I can say and  a BIG  THANK  YOU   Stefan.   I must have missed this 
one.  I read a lot in the K2 posts where many people like Joe and the 
rest of us have put up with KNB2's that don't do a thing.   WELL THATS 
OVER.  Try this mod and your K2 life will be changed forever.  I can say 
now that I've done it, the K2 NB works almost as good as my Mark V  
does  and thats a lot.  The mod adds a 0.1 uF capacitor between the 
emitter of Q2 and ground.  I chose to tack solder the 104, from K2 
terminology,  from Q2 emitter to a  ground post on the plug just above 
it.   Works great.I just wanted to re-post this because I know a lot 
of you K2 users are not going to get the most from your K2s NB unless 
you do this mod.Then again,  maybe all of you already have.  :-) 


  73's   Tony   K2ZLS
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[Elecraft] Is it OK to USE Heil/Elecraft MD-2 Mic w/ K3?

[paul hendershott]

Anyone having a problem using the Heil MD-2 Desk Mic w/ the K3?
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[Elecraft] FS K2 # 3603

[RAIMBAULT Christophe]

Hi,

I still have K2 # 3603 ( firm 2.03d/1.07) for sale with options:

-K2 PLL upgrade kit
-K2 VCO shielding (k2vcoshldkt)
-K2 rev A to B
-K2 rit/split led mod
-KPA100 + KPA 100 shield ( kpa100mdkt)
-KSB2
-KNB2
-KAF2
-K160RX

Price is 900 Euros plus shipping

73' Chris
F5CBQ
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Re: [Elecraft] Is it OK to USE Heil/Elecraft MD-2 Mic w/ K3?

[Don Wilhelm]

No problem at all - menu set to: MIC FP.L bias.  The bias must be set 
on.  I run the mic gain at about 38 here.


73,
Don W3FPR

paul hendershott wrote:

Anyone having a problem using the Heil MD-2 Desk Mic w/ the K3?
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No virus found in this incoming message.
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[Elecraft] Reminder - UK Elecraft net Sundays 0900 local, 3630 KHz

[Dave G4AON]

Static crashes permitting, the Elecraft net will be active again this 
Sunday. The frequency is +/- QRM. This week I will have my linear 
available so hopefully we can keep the frequency fairly clear.


73 Dave, G4AON
K3/100 #80, Acom 1000, dipole

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[Elecraft] too low output power with KXV3

[Christophe DONZELOT]

I have try to calibrate the output port for transverter on the KXV3 
module , and the highest available power is about -16 dBm . What must I 
check ?

I have build my K3 as a kit , the power is correct at the ANT1 output.

Regards
Chris HB9TLN
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RE: [Elecraft] Firmware request KRC2

[AD6XY]

That is a very good idea Joe.

I will try but it will need pull up resistors fitting in the KRC2. Also
because I use transverters I will have to solder 4 more wires and it will
need two multicore cables soldering onto that 15 way din and that is very
difficult because of the size with a connector designed for only one cable.
I will also need to put an ALC line in there once the ALC +- issue is
finalised. I had hoped only to have the K3 linked simply through the KRC2 to
my transverters (like for my K2). 

If only the non-atu version of the K3 had two outputs.

Mike

-- 
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[Elecraft] XV432 Frequency and Power Stability

[Stu2]

Hi All,

I finished assembling a XV432 transverter and seem to have a little 
problem with both power and frequency stability. After going through the 
alignment steps, the power starts dropping from 20W down to about 10 
after sending CW into a dummy load for 20 seconds or so. During this 
time, the frequency drifts about 100 Hz. (Enough to detect a pitch 
change in another receiver.)


I installed Q1 using the Teflon spacer. I have the crystal oven 
installed and the transverter was powered on for about 30 minutes or so 
before I aligned it. (JP9 is on 4-5.) The part values appear to be 
correct. The problem appears if I use a 5W source or a 1 milliwatt 
source. (Changing JP3,4,5,6 accordingly.) My radio is a SDR-5000A.


The power module doesn't get warm.

I do NOT have the extra 5 turn coil and the 10pf capacitor installed on 
the power module. (Rev C1 errata.)


Has anybody else had this problem and if so, how did you fix it.

Thanks!

Stu
W7IY
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[Elecraft] Out on the AT 31 Aug

[Ron Polityka]

Hello,

I will be going out onto the Appalachian Trail on Sunday morning.

I have to run into work for a few hours and then out to the AT.

Not sure where I will be but I hope to be on the air around 12:00 UTC. I 
will be using my K1 @ 5w and the Black Widow Vertical antenna by the EPA QRP 
Club.


This will be a tentative schedule.

12:00 UTC14.060 MHz
13:00 UTC  7.033 MHz
14:00 UTC10.108 MHz

I will then repeat the rotation until 16:00 UTC but switching the bands 
every 30 minutes. If I arrive at the operating location before 12:00 UTC I 
will be on 40m CW.


If you work me, please post me on the list.

72 and Thanks,
Ron Polityka
WB3AAL
www.wb3aal.com
www.n3epa.org/

K1 - SN 01011
K2 - SN 01392

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[Elecraft] K3: TX Gain Problem?

[russ]

Seems that I only have two tx power options.  When PWR is set below13W, I
get ~12 watts.  As soon as the PWR knob is set at 13 or above, I get ~150
watts.  I've gone through the txgn both lo  hi - no ghange.


K3:  #869 (kit)
KPA3
KAT3
KXV3 - removed, jumpers reinstalled, per Scott.
-- 
russ moorman
AI4OH
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Re: [Elecraft] Firmware request KRC2

[Don Wilhelm]

Mike,

Try it using the AUXBUS control before connecting the BAND0-3 outputs 
from the ACC connector.
If I recall, the AUXBUS control will also activate the 60 meter KRC2 
output when 6 meters is selected on the K3.


Even if my memory is incorrect, it is worth a try, it is an easy matter 
to connect the AUXBUS signal from the K3 to the KRC2.


73,
Don W3FPR

AD6XY wrote:


That is a very good idea Joe.

I will try but it will need pull up resistors fitting in the KRC2. Also
because I use transverters I will have to solder 4 more wires and it will
need two multicore cables soldering onto that 15 way din and that is very
difficult because of the size with a connector designed for only one cable.
I will also need to put an ALC line in there once the ALC +- issue is
finalised. I had hoped only to have the K3 linked simply through the KRC2 to
my transverters (like for my K2). 


If only the non-atu version of the K3 had two outputs.

Mike






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[Elecraft] K2 Microphone Substitutions

[Robert Freedman]

I have been 'gifted' with a Shure model 444 magnetic microphone to use 
with my K2. It (the microphone) is thirty years old, and was reported to 
be in excellent condition.  Does anyone use this model, and what pin 
connections do you use?  Or should I just forget it.  It was designed to 
have a response curve tailored for amateur SSB use.

Bob N1QQP
Elecraft K2 #6429
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Re: [Elecraft] Is it OK to USE Heil/Elecraft MD-2 Mic w/ K3?

[hank k8dd]

- Original Message - 
From: paul hendershott [EMAIL PROTECTED]

To: elecraft@mailman.qth.net
Sent: Saturday, August 30, 2008 2:51 PM
Subject: [Elecraft] Is it OK to USE Heil/Elecraft MD-2 Mic w/ K3?



Anyone having a problem using the Heil MD-2 Desk Mic w/ the K3?

-

No problem  Mine works fine, people (unfortunately) tell me that 
it sounds like me!  


Set the mike for front panel and bias on.

73HankK8DD

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[Elecraft] a/b vfos

[Todd Ruby]

I just got my k3 back from a friend who  used the radio for a couple  
of weeks and what is happening is that when i turn the large VFO knob  
both A and B freqs change together. the smaller knob controls the B  
VFO as it should.


any ideas why this is happening

tnx in advance




73
de
todd
WB2ZAB

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Re: [Elecraft] K3 Newbie

[AJSOENKE]

In a message dated 8/30/2008 6:09:10 A.M. Pacific Daylight Time,  
[EMAIL PROTECTED] writes:
I've been a subscriber to this list since the day I  ordered the K3 back in
March 2008.  The factory assembled and tested  radio is due to arrive next
week.  

I'd like to hear about any  issues previously listed here I need to read
before next week. Please respond  to me OFF-LIST as I am sure this request is
not interesting to the old  timers. No sense in disrupting the flow of
current info with my silly  (perhaps, even lazy) request.

I need all the time-saving help I can get  since rewiring the station to
integrate the K3 in the first operating  position will take some time.
Contest season is upon us.

I'm using  N1MM software for contests with Logic 8/TRX Manager for daily
contacts and  moving the FT-1000MP to the second position.

Thanks,

73,  Dick

[EMAIL PROTECTED]

+
 
The best time saving advice I can give is to not try to do it all in one  
night. Fatige, cutting corners, skipping steps ( on purpose or by accident ) 
are  
usually contributors to a rework - redo operation.  When you un-pack the  
radio and check the packing  1) unwrap / remove from plastic bags very  
carefully 
and gently, snagging a small SMD can result in timely delays to  replace 
parts. 2) Unpack on a cleared large work area. It can be very  frustrating to 
have 
a missing part only to find it a month later kicked under  the coffee table 
as it fell from a larger bag. 3) Inspect ALL packing materials  and bags for 
possible separated parts before you place packing in separate  containers - 
ALSO 
it helps to put all discarded packing and bags boxes in  shipping container 
and do not discard until the rig is completed and operating  properly.  4) Stop 
to reread what you have done before proceeding to  next step, compare to 
pictures diagrams and don't be afraid to ask online if you  are unsure of next 
step or meaning.  You should be able to have it on the  air in two 4 - 5 hour 
sessions.
 
Having had to wait 4 months, you probably had time to pre-read the  
assembly,manual, if not, at least do a close scan of the assembly manual. Be  
familiar 
with the Operators Manual and the tables used for setup and  configuration, 
you will spend most of your time learning that after the assembly  is complete.
 
One last thing - take a few pictures so you can savor the moment later  on  - 
enjoy
 
73, AL WA6VNN   (#31 FWIW)



**It's only a deal if it's where you want to go. Find your travel 
deal here.  
(http://information.travel.aol.com/deals?ncid=aoltrv000547)
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[Elecraft] RE: K3 FSK RTTY - IT WORKS!

[Jim Talens]

Thanks to those who responded to my inquiry about getting the K3 to work on
FSK using MMTTY and a serial-USB converter.  I discovered one pilot error
and can offer one suggestion.

1. I did not see the little window called EXTFSK pop up because it was under
all the other windows.  Normally, a newly invoked window shows up atop the
others in XP.  This one did not.  I discovered it when I was shutting down
the computer one-window at a time.  Now I see it's plainly accessible by
left-clicking on MMTTY on the task bar.  MMTTY is one choice and the EXTFSK
is the other.  Once accessed, I selected COM8 (as I had in the MMTTY setup)
and then tried the various combinations of checked boxes until I found one
that worked [TXD for FSK output and RTS for PTT output].  So the
problem is resolved. 

2.  The serial-USB converter I bought yesterday at a local retailer works
fine for this purpose.  The MMTTY-specified Belkin converter is therefore
not the only one that works, which is good because it has not been sold for
a couple of years.  Perhaps newer serial-USB converters have evolved or been
changed, I have no idea.  The one I bought is an IOGEAR GU2C232A and I
suspect there are others that work as well. This one was $30.

Jim, N3JT  

-Original Message-
From: Jim Talens [mailto:[EMAIL PROTECTED] 
Sent: Friday, August 29, 2008 17:46
To: 'elecraft@mailman.qth.net'
Subject: K3 FSK RTTY

I am having a problem getting my K3 working on RTTY in the FSK mode using a
serial-to-USB converter.  Using MMTTY and not the Belkin (now unavailable)
converter, it just won't function, even with extfsk.dll installed.  However,
it does work fine using COM1 and a direct serial connection to the K3.  

When using COM8 and the serial-USB converter it does not work.

Most of the MMTTY information is somewhat outdated, perhaps, given the bulk
of information about it dates to 2005-2005.  

What are others using to get going on FSK using a serial-USB converter?

Thanks!

Jim, N3JT

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[Elecraft] a/b vfos

[Barry McWilliams]

Todd - try the SUB (sub-receiver button).   It links the VFOs.  This 
feature appeared in a software update described as ...


VFO LINKING: Holding the SUB switch links/unlinks the two VFOs. When 
linked,
   VFO A is the master; turning it moves both VFOs the same amount. VFO 
B can be
   set to the same frequency by tapping AB, or it can be offset a 
fixed amount from VFO A.
   Setting them to the same frequency will permit diversity receive 
with the subreceiver.



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Re: [Elecraft] a/b vfos

[Augie Hansen]

Todd Ruby wrote:
I just got my k3 back from a friend who  used the radio for a couple 
of weeks and what is happening is that when i turn the large VFO knob 
both A and B freqs change together. the smaller knob controls the B 
VFO as it should.


any ideas why this is happening


The VFOs are LINKED. Unlink them by holding the SUB button instead of 
tapping it. The tap toggles the subreceiver on/off. The hold SUB toggles 
the link/unlink behavior. When linked, the VFO B knob adjusts the offset 
of B from A.


Gus Hansen
KB0YH

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[Elecraft] K3 firmware v2.34 beta fiter selection issues

[Paul Fletcher]

Filter selection issues persist in version 2.34. Today (twice) on 20m I
shifted the filter passband and FL1 was selected (FL1 is empty in my radio)
and no ammount of know twiddling or button pushing could get FL2 back (XFIL,
width, shift, lo cut hi cut etc). The only way I could get the correct
filter selected was to do a band down/band up.

Reverting to 2.23 for now.

Regards,
Paul M1PAF
-- 
View this message in context: 
http://n2.nabble.com/K3-firmware-v2.34-beta-fiter-selection-issues-tp794585p794585.html
Sent from the Elecraft mailing list archive at Nabble.com.

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[Elecraft] K3 MK2R+ audio hum issue

[Jim Harvey]

I just received my K3 yesterday and have it interfaced to my Microham MK2R+.
CW operation is perfect but I have some audio hum and distortion in the
monitor on SSB. I'm using a Heil Proset connected to the MK2R+. Joe, W4TV,
has given me some good suggestions but the problem is still there. Is there
anyone else using this combination that can help?

 

Jim N0AV

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[Elecraft] K3 1536: Alive and well

[ww2r]

Order placed 4/14

Katiegram received 8/19

It was on my doorstep 8/29 at 1700

Started construction 2030. Muffin tins make excellent part stores.

100W version completed and 1st QSO made at 0130. Rig is working fine


Only one assembly issue. The PA fans are now mounted (despite what the
supplied paperwork and website says) using 8 very long screws and 8 domehead
nuts. Unfortunately 2 of the 8 supplied had domes but no nuts (manufacturing
defect?) so i used 2 standard nuts while I get replacements

Just hooked up the LP-PAN; working fine

Now to interface the DEMI Transverters

Well worth the wait!

Dave

WW2R


Delivered:

K3/10
KPA3
KFL3B-FM
KXV3
KFL3A-400

On back order

KRX3

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[Elecraft] K3 s/n 1552

[Jim Harvey]

Order placed 3/26/08

 

Katiegram 8/7/08

 

UPS Delivery 8/29/08

 

K3/100-F

KFL3A-400

KFL3A-1.8k

 

Lots to learn now!

 

Jim N0AV

 

 

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RE: [Elecraft] KRX3 questions

[Joe Subich, W4TV]

 The magicians at Elecraft are now at work on an improved DUAL 
 PB which will allow more flexibility in the context WIDTH 
 setting, which would accomplish somewhat similar results (but 
 the context BW is attenuated by -24 dB versus the focus BW).

I've tried the updated context filter in beta 2.34.  The problem 
for me is that the context area is attenuated more than I would 
like and the peak (50 Hz?) is a bit narrow.   I would like to 
try the transmit antenna on the subreceiver with a relatively 
wide filter (600 - 1000 Hz) to get an idea of the overall 
activity and a low noise (Beverage, K9AY, phased array, etc.) 
receive antenna on the main antenna with a narrow (e.g. 200Hz) 
filter to focus on the desired signal. 

73, 

   ... Joe, W4TV 
 


 -Original Message-
 From: [EMAIL PROTECTED] 
 [mailto:[EMAIL PROTECTED] On Behalf Of Bill W4ZV
 Sent: Saturday, August 30, 2008 12:21 PM
 To: elecraft@mailman.qth.net
 Subject: RE: [Elecraft] KRX3 questions
 
 
 
 
 
 Joe Subich, W4TV-3 wrote:
  
  
  Bill,
  
  I have 2.7k/1.8k/500/200 in my Main but
  only 2.7k/500 in the Sub.  When I want to use diversity, I 
  just remember to use a WIDTH which will auto-select either 
  the 2.7k or 500.  This way I can still use the 1.8k/200 for 
  severe QRM situations in non-diversity and the 2.7k/500 for 
  diversity and/or other situations.
  
  With some thought would it not be possible to get 500 and 200 Hz
  filters with matched offsets so one could use bandwidth diversity 
  in addition to antenna diversity?  I will not be able to try that 
  with my first K3 when that KRX3 arrives since the existing 500 
  and 250 Hz filters have different offsets but I will look at the 
  200 Hz filter in the second rig to see if it is close enough to 
  the -790 Hz (measured in radio #1, specified for radio 2) to be 
  useful. 
  
 
 Sure you could probably do that if the offsets between the 
 500 and 200 are
 not too far off.  You'll probably want to set the 500 equal to the 200
 rather than vice versa if they aren't identical (i.e. a shift 
 in a 500 Hz BW
 is not as critical as the same shift in a 200).  I'm not at 
 home now but I
 recall my 500s are both -0.84 and my 200 is -0.91.  If I 
 wanted to try what
 you described I would set both 500s to -0.91 since a shift of 
 70 Hz is still
 not unreasonable in ~500 Hz total BW.
 
 The magicians at Elecraft are now at work on an improved DUAL 
 PB which will
 allow more flexibility in the context WIDTH setting, which 
 would accomplish
 somewhat similar results (but the context BW is attenuated by 
 -24 dB versus
 the focus BW).
 
 73,  Bill
 


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RE: [Elecraft] K3 1536: Alive and well

[Ron D'Eau Claire]

Dave WW2R wrote:

Only one assembly issue. The PA fans are now mounted (despite what the
supplied paperwork and website says) using 8 very long screws and 8 domehead
nuts.

--

If you got the Rev D KPA3 Option Installation manual, you should have gotten
Errata D-3 Dated May 7, 2008 with it that covers installing the fans with
the new hardware. It's on the Elecraft web site at:

http://www.elecraft.com/manual/E740116E_KPA3_Assy_Manual_Errata_D-3.pdf

Those changes were incorporated into the current KPA3 Option Installation
Manual Rev E, released June 17, but I don't see that on the web site yet for
some reason. 

An e-mail to [EMAIL PROTECTED] will get those missing nuts off to you
right away. 

Ron AC7AC 

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[Elecraft] RE: K3 FSK RTTY - IT WORKS!

[Richard Ferch]

N3JT said:

 2.  The serial-USB converter I bought yesterday at a local retailer works
 fine for this purpose.  The MMTTY-specified Belkin converter is therefore
 not the only one that works, which is good because it has not been sold
for
 a couple of years.  Perhaps newer serial-USB converters have evolved or
been
 changed, I have no idea.  The one I bought is an IOGEAR GU2C232A and I
 suspect there are others that work as well. This one was $30.

Jim,

The Belkin converter mentioned in the MMTTY Help file appears to be the only
one that will work without the EXTFSK add-on, and according to anecdotal
reports this Belkin converter does not work at all under Windows XP or
newer. However, almost any USB-to-serial adapter should work with EXTFSK; at
least, any USB-to-serial adapter that will work for serial port CW and/or
PTT will also work for FSK using EXTFSK.

One setting you will probably need to adjust in MMTTY is in the Setup MMTTY
window under the Misc tab. If you are using FSK and have either the second
or third radio button under Tx Port selected, you will see a button labelled
USB Port. You should click on this button and select option C. Limiting
speed. If you leave the default selection A. Normal selected, it is likely
that you will find that the PTT line switches back to RX before all of the
characters have been sent, truncating your message buffers.

73,
Rich VE3KI

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Re: [Elecraft] K2 Microphone Substitutions

[Jim Brown]

On Sat, 30 Aug 2008 16:37:26 -0400, Robert Freedman wrote:

I have been 'gifted' with a Shure model 444 magnetic microphone to use 
with my K2. It (the microphone) is thirty years old, and was reported to 
be in excellent condition.  Does anyone use this model, and what pin 
connections do you use?  Or should I just forget it.  It was designed to 
have a response curve tailored for amateur SSB use.

The Shure 444 is an excellent ham mic, and should work well with your K2. 
I'm looking at a 1963 data sheet for it right now (which you can probably 
find on the Shure website). Black is the hot side of the mic, shield is the 
return of the mic. 

The PTT switch does two things. When it's UP (not pushed), it shorts out 
the mic capsule. When you push it, it un-shorts the capsule and connects 
White to the Shield.  There is also a switch inside the mic base that 
enables or disables PTT to the White wire. Normal is enabled (that is, 
PTT works). 

The original 444 is a high Z mic. Later versions (444D) is switchable highZ 
- low Z. The switch is in the base, I think. 

73,

Jim K9YC


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Re: [Elecraft] Firmware request KRC2

[Don Wilhelm]

Mike,

I have been looking at the KRC2 manual and was reminded that the KRC2 
can use serial band decoding.  You might want to try it because it seems 
to be the easiest (but I am still unsure about the 6 meters/60 meters 
decoding.


You will have to set the K3 (and any logging/computer control 
applications) to work at 4800 bps because right now, the KRC2 can only 
use that data rate - that could change in the future, but right now it 
is fixed at 4800.


Install jumpers at W9, W10, W11, W15, W16, W20, W21, W22, and W23 to 
allow operation of a logging program (or other PC application) through 
the KRC2 and on to the K3 as well as allowing the KRC2 to communicate 
with the K3.


Then install a jumper on W3 to tell the KRC2 to use serial band decoding.

I believe that is all you need to do - other than providing power to the 
KRC2 through its coaxial power jack and connecting the KRC2 J2 connector 
to the K3 serial port .  To connect to the PC, add a serial cable 
between the KRC2 and the PC - use standard serial straight thru cables.


I have not tried this combination, but from my study of the KRC2 manual, 
it should work just fine.
I don't know how 6 meters is decoded, but I believe it may activate the 
60 meter KRC2 outputs, with no output available for 60 meters (or maybe 
they map together - someone else will have to say).


Try it and let us know how it works.

73,
Don W3FPR

Don Wilhelm wrote:

Mike,

Try it using the AUXBUS control before connecting the BAND0-3 outputs 
from the ACC connector.
If I recall, the AUXBUS control will also activate the 60 meter KRC2 
output when 6 meters is selected on the K3.


Even if my memory is incorrect, it is worth a try, it is an easy 
matter to connect the AUXBUS signal from the K3 to the KRC2.


73,
Don W3FPR

AD6XY wrote:


That is a very good idea Joe.

I will try but it will need pull up resistors fitting in the KRC2. Also
because I use transverters I will have to solder 4 more wires and it 
will
need two multicore cables soldering onto that 15 way din and that is 
very
difficult because of the size with a connector designed for only one 
cable.

I will also need to put an ALC line in there once the ALC +- issue is
finalised. I had hoped only to have the K3 linked simply through the 
KRC2 to

my transverters (like for my K2).
If only the non-atu version of the K3 had two outputs.

Mike






No virus found in this incoming message.
Checked by AVG - http://www.avg.com Version: 8.0.169 / Virus 
Database: 270.6.13/1642 - Release Date: 8/29/2008 6:12 PM



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No virus found in this incoming message.
Checked by AVG - http://www.avg.com 
Version: 8.0.169 / Virus Database: 270.6.13/1642 - Release Date: 8/29/2008 6:12 PM


  

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[Elecraft] K3 Audio Measurements and Artifacts

[Jack Smith]

I've completed a few K3 receiver audio output measurements today, and 
added a new page with the data.

http://www.cliftonlaboratories.com/elecraft_k3_receive_audio.htm

I found some curious artifacts in the audio output, including some 
signal related artifacts around 12 KHz, and at 3.9 and 7.8 KHz. I don't 
know if these are unique to my K3, or to my test setup, so I welcome 
other observations.


If these artifacts are not unique  to my K3 and/or test setup, it might 
explain some oddities heard in the audio, if your high frequency hearing 
is good and if you use headphones capable of 20 KHz reproduction. 
Although my headphones are good up to that range, too many years of 
listening to loud CW mean that my hearing has a cutoff sufficiently low 
so that none of these oddities make it into my wetware audio processor.


I've also made an automated GIF image of spectrum analysis images for 
LIN OUT settings from 2 to 100, as well as a few other points that may 
be of interest.


Jack K8ZOA
www.cliftonlaboratories.com
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[Elecraft] Elecraft CW Net Announcement

[Kevin Rock]

Good Evening,
   Another wet and chilly week on the West Coast.  I know the folks in 
California like it very hot and dry but I gave that up when I left Albuquerque. 
 I had had enough of seeing my corneas wrinkle in the single digit humidity.  
It was nice to see the sun but 360+ days a year of it gets to be a bit much.  I 
like variations in temperature and visibility.  Growing up in the Midwest it 
was not unusual to have a temperature change of 100 degrees in a week (40 below 
zero to 70 degrees) in early March.  I once had the pleasure of having my 
vehicle towed out of my own driveway.  The frost had gone out of the gravel 
overnight and my truck had sunk to the frame!  Luckily the extremes are not as 
great in Oregon.  I have grown a little older over the last twenty years and 
the below zero weather would probably not be so kind to me.  
   Fall will be starting very soon up here.  The foxgloves are done blooming so 
it is time to get very serious about collecting all the wood I've cut and split 
over the last four months.  I am very relaxed right now after doing just that 
for the last few hours.  Between the rain showers it is nice to get out to 
enjoy the cool weather.  Getting my chores done is a good way to have some fun. 
 The new cat enjoys watching me split and stack wood for some silly reason.  He 
just lies there and watches the progress.  No comments just little green eyes 
going back and forth (when they are open that is). 
   Twenty meters was fair this week for my contacts into the Southeast.  QSB 
and QRN were present each time but it was possible to converse for an hour.  
Forty meters was good the one evening I tried and from reports I've read others 
had the same conditions.  I just read on SpaceWeather.com that there is a large 
coronal hole on the back side of the sun.  This will be on the Earth facing 
side in another week.  Watch out for aurora and for improved conditions once 
the ionosphere has become recharged.  From the satellite photo this should 
produce a large charged stream of particles.  If we get a solid hit it will be 
quite noisy for a period of time.  Keep your ears tuned for propagation changes 
soon.

Please join us tomorrow evening.
 
1) Hail signs  (first letter or two of the suffix of your call)
2) NCS help (as well as QSP/QNP relay help)
 
Sunday 2300z (Sunday 4 PM PDT) 14050 kHz
Monday 0200z (Sunday 7 PM PDT)  7045 kHz
 
   Stay well,
  Kevin.  KD5ONS

ecn.visionseer.com

-
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RE: [Elecraft] KRX3 questions

[Brett Howard]

For me the context area isn't attenuated at all.  I believe its 200Hz
wide in the middle...  The only difference I thought was that it can now
go down to as narrow as 400 on the outer skirts rather than the 600 that
it used to be limited to.  Doesn't seem to make too much difference to
me but I do admit that I like not being limited as I did run it at 600
at times and wished I wasn't being stopped. 

I find that for me it may be a dumb idea to do something but I usually
don't like not being allowed to.  Thats one of the reasons why my 250Hz
filter is fully allowed to be used in SSB on my K3.  Not that I'd want
to do that but why limit myself.  

~Brett (KC7OTG)


On Sat, 2008-08-30 at 18:50 -0400, Joe Subich, W4TV wrote:
  The magicians at Elecraft are now at work on an improved DUAL 
  PB which will allow more flexibility in the context WIDTH 
  setting, which would accomplish somewhat similar results (but 
  the context BW is attenuated by -24 dB versus the focus BW).
 
 I've tried the updated context filter in beta 2.34.  The problem 
 for me is that the context area is attenuated more than I would 
 like and the peak (50 Hz?) is a bit narrow.   I would like to 
 try the transmit antenna on the subreceiver with a relatively 
 wide filter (600 - 1000 Hz) to get an idea of the overall 
 activity and a low noise (Beverage, K9AY, phased array, etc.) 
 receive antenna on the main antenna with a narrow (e.g. 200Hz) 
 filter to focus on the desired signal. 
 
 73, 
 
... Joe, W4TV 
  
 
 
  -Original Message-
  From: [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED] On Behalf Of Bill W4ZV
  Sent: Saturday, August 30, 2008 12:21 PM
  To: elecraft@mailman.qth.net
  Subject: RE: [Elecraft] KRX3 questions
  
  
  
  
  
  Joe Subich, W4TV-3 wrote:
   
   
   Bill,
   
   I have 2.7k/1.8k/500/200 in my Main but
   only 2.7k/500 in the Sub.  When I want to use diversity, I 
   just remember to use a WIDTH which will auto-select either 
   the 2.7k or 500.  This way I can still use the 1.8k/200 for 
   severe QRM situations in non-diversity and the 2.7k/500 for 
   diversity and/or other situations.
   
   With some thought would it not be possible to get 500 and 200 Hz
   filters with matched offsets so one could use bandwidth diversity 
   in addition to antenna diversity?  I will not be able to try that 
   with my first K3 when that KRX3 arrives since the existing 500 
   and 250 Hz filters have different offsets but I will look at the 
   200 Hz filter in the second rig to see if it is close enough to 
   the -790 Hz (measured in radio #1, specified for radio 2) to be 
   useful. 
   
  
  Sure you could probably do that if the offsets between the 
  500 and 200 are
  not too far off.  You'll probably want to set the 500 equal to the 200
  rather than vice versa if they aren't identical (i.e. a shift 
  in a 500 Hz BW
  is not as critical as the same shift in a 200).  I'm not at 
  home now but I
  recall my 500s are both -0.84 and my 200 is -0.91.  If I 
  wanted to try what
  you described I would set both 500s to -0.91 since a shift of 
  70 Hz is still
  not unreasonable in ~500 Hz total BW.
  
  The magicians at Elecraft are now at work on an improved DUAL 
  PB which will
  allow more flexibility in the context WIDTH setting, which 
  would accomplish
  somewhat similar results (but the context BW is attenuated by 
  -24 dB versus
  the focus BW).
  
  73,  Bill
  
 
 
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RE: [Elecraft] a/b vfos

[Dick Dievendorff]

It  sounds like the two VFOs may be linked together. 

Hold the SUB button (below and to the right of the VFO A knob) to unlink the
VFOs.  See page 14 of the K3 Owner's manual.

73 de Dick, K6KR

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Todd Ruby
Sent: Saturday, August 30, 2008 2:19 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] a/b vfos

I just got my k3 back from a friend who  used the radio for a couple  
of weeks and what is happening is that when i turn the large VFO knob  
both A and B freqs change together. the smaller knob controls the B  
VFO as it should.

any ideas why this is happening

tnx in advance




73
de
todd
WB2ZAB

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Re: [Elecraft] K3 firmware latest public release...is it 2.02

[Greg - N4CC]

One more point...why WOULDN'T you load a Beta release?  In the very 
worst case, you won't like something about it and can always load the 
latest public release or reinstall a previously saved 
configuration.  You can't lose.  73 de Greg-N4CC


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[Elecraft] HRD with 2.34

[Robert Paull]

Hi All:
I seemed to be having problems with NR not responding constantly when selecting 
it. Sometimes it would turn on sometimes not, the same with tune, tx not able 
to disable them once set. If I powered the rig down they would work for a bit 
then go back to the same mode. 

This all worked prior to the 2.3x series of Beta. I tried for a sanity check to 
send the commands manually and got similar results, intermittent changes, that 
took HDR out of the loop.
So I am going to go back to 2.23 and relax over the Labor day weekend and let 
the folks at Aptos figure out what is going on. 

73's
Bob Paull
KK6UE
k3 681


  
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Re: [Elecraft] K3 Software

[David Wilburn]

I have loaded every new / beta release since I received the rig in 
March.  The firmware has never impacted how I operate.


David Wilburn
K4DGW
www.k4dgw.com
www.k4rc.net
Williamsburg Area Amateur Radio Club (K4RC)

My Current LOTW/DXCC/WAS status
www.k4dgw.com/WAS.DXCC.info.html



Tom Wylie wrote:
I built my K3 about 2 months ago and have now made a couple of thousand 
QSOs with it and am very satisfied.


Question:  Should I upload the latest software?

What is the latest NON BETA version that is stable and works?
What is the latest BETA version and should I go for it?

What improvements/differences can I expect?

73 de Tom
GM4FDM


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Re: [Elecraft] K3 firmware latest public release...is it 2.02

[Don Wilhelm]

In addition, consider that each of you can contribute a lot to the 
firmware test.  Yes, the Beta releases have been tested by the Firmware 
Test Team, but the K3 configurations used are limited among those Field 
Testers.  Many have the KRX3 installed and other options with a full 
compliment of filters, and there are others like me who have a basic 
K2/100 with only the stock 2.7 kHz roofing filter.  Your K3 may be 
configured differently from all those used for the initial testing and 
can show bugs that are not seen by any of the Field Test team. 

Any problems that you encounter (and report) will be heard and will 
result in a better K3 with the next firmware release.  All bugs need to 
be 'squashed', but they need to be identified before that can happen.


If you do not like what you experience with the Beta release,  as Greg 
said, you can always go back to the last public release or any version 
that you were happy with..


73,
Don W3FPR

Greg - N4CC wrote:
One more point...why WOULDN'T you load a Beta release?  In the very 
worst case, you won't like something about it and can always load the 
latest public release or reinstall a previously saved configuration.  
You can't lose.  73 de Greg-N4CC



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Re: [Elecraft] K3 Software

[Don Wilhelm]

Tom,

The improvements/differences that you can expect are to be found in the 
Firmware Release Notes. In K3 Utility, click on Help and you can read 
the Release Notes and decide for yourself.


If the newest Beta has any impact on the configuration of your K3, I 
encourage you to try it.  If you do not like what you find, simply 
revert to the last public release.


73,
Don W3FPR

Tom Wylie wrote:
I built my K3 about 2 months ago and have now made a couple of 
thousand QSOs with it and am very satisfied.


Question:  Should I upload the latest software?

What is the latest NON BETA version that is stable and works?
What is the latest BETA version and should I go for it?

What improvements/differences can I expect?

73 de Tom
GM4FDM




No virus found in this incoming message.
Checked by AVG - http://www.avg.com 
Version: 8.0.169 / Virus Database: 270.6.13/1641 - Release Date: 8/29/2008 7:07 AM


  

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[Elecraft] Trade K2/10 for KA100 KAT100 remote setup - No Longer Needed, thanks all.

[Robert L Kalkwarf]

Hi All,
Thanks to those who replied.  I no longer need the 100 watts.
73 Bob W7WO



Hi, I have an extra K2/10 ksb2,kaf2,160, kat2 and would like to trade  
for a remote EC2 KA100 and KAT100 setup.  Any interests?


Bob W7WO Lacey, Wa

[EMAIL PROTECTED]

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[Elecraft] K3 filters

[Scott McDowell]

I have a k3/100 ordered and am trying to decide on filters. I would
like the 250 hz 8 pole filter for cw. Should I also get the 400 hz
filter for ssb.
Scott N5SM
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Re: [Elecraft] K3 filters

[David Wilburn]

The narrowest filter for SSB is the 1.8khz filter.  I have the 2.7, 
1.8, 1k, and 400 hz, and it has worked well for my needs.  The 1.8 has 
been the least useful.  The 1k and 400 are very handy for CW and RTTY. 
 I have not tried the 250 hz 8 pole, but it is only a bit narrower 
than the 400 hz.  You can check out the plots here.


http://www.elecraft.com/K3/K3_8_pole_plots.htm

David Wilburn
K4DGW
www.k4dgw.com
www.k4rc.net
Williamsburg Area Amateur Radio Club (K4RC)

My Current LOTW/DXCC/WAS status
www.k4dgw.com/WAS.DXCC.info.html



Scott McDowell wrote:

I have a k3/100 ordered and am trying to decide on filters. I would
like the 250 hz 8 pole filter for cw. Should I also get the 400 hz
filter for ssb.
Scott N5SM
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[Elecraft] K3 Shipping Statistics (build rate and wait times)

[Brett Howard]

Figured it was time to post a new set of graphics.  Maybe it will spur
on some more people posting that they have received their units. 

Perhaps this will help some of those still waiting for their units to
arrive.  I know that when I was waiting for mine to arrive it was nice
to be able to watch. 

http://www.livecomputers.com:90/BuildRate.png
http://www.livecomputers.com:90/WaitTimes.png

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[Elecraft] SB-221 for K3 need some help.

[Don Rasmussen]

Hi Guys,

I found out this week that K3 is good with Heathkit
SB-220 amps, all you need to do is connect a shielded
RCA cable between the units - how easy is that? !!!

I also found out that UPS had shattered the bandswitch
on the sb221 I recently received and Heathkit is no
longer around to get parts from. hi. 

If anyone knows where I can get a bandswitch wafer for
the input coil selection I may be able to use this amp
I bought. ;-)

Thanks,
Don

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[Elecraft] ECN Addenda - Storm warning

[Kevin Rock]

Good Evening,
   I just received a weather prediction for tomorrow afternoon and evening.  It 
appears I may have to close down for a while because of lightning.  If I am not 
on the air or disappear suddenly that is the cause.  Sorry, but I kind of like 
my equipment in an unsmoked state.  Same goes for the lowly net operator too!  
   73,
  Kevin.  KD5ONS (Nervous Nellie NCS type)
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Re: [Elecraft] K3 filters

[Vic K2VCO]

Scott McDowell wrote:

I have a k3/100 ordered and am trying to decide on filters. I would
like the 250 hz 8 pole filter for cw. Should I also get the 400 hz
filter for ssb.


It's important to remember that the selectivity is dependent on the DSP 
setting and the filter is just a backup for very strong nearby signals. 
For CW the 400 or 500 Hz. filter will be fine; you can adjust the 
bandwidth down to 50 Hz. with the DSP controls.


The 250 Hz. filter is probably narrower than you will need for CW 99% of 
the time. It is useful for RTTY or PSK, however.


For SSB the stock 2.7 kHz. filter will do a good job. Some contesters 
like the 1.8 kHz. filter so they can operate closer to very strong 
signals. 400 Hz. would be way too narrow for SSB.


So if you are a CW/SSB operator I would recommend the 2.7 kHz. filter 
(for ssb) plus the 500 or 400 Hz. filter (for CW). If you are especially 
interested in digital modes, then maybe the 250 could be useful -- but 
it isn't necessary.

--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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[Elecraft] Re: SB-221 for K3 need some help.

[Dave G4AON]

Don, there isn't a diode across the relay coil in an SB220 - so there 
may be a nasty back emf voltage on key release. Also, the K3 maximum 
keying delay is 20 mS, will the relay in a SB220 switch in that time?


I don't want to dampen your enthusiasm, but old linears were designed 
for relay contact switching and generally were slow on change over... 
They can be modified, but in standard format may not work too well.


73 Dave, G4AON
K3/100 #80, Acom 1000


I found out this week that K3 is good with Heathkit
SB-220 amps, all you need to do is connect a shielded
RCA cable between the units - how easy is that? !!!
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