[Elecraft] K2 mojo lives on

[AJSOENKE]

After my prior post:
 
In a message dated 3/14/2008 11:15:55 P.M. Pacific Daylight Time,  
[EMAIL PROTECTED] writes:
I am at the first power on test stage of K2 # 6281  and have anomalous  
readings.  Should be INFO 250 or 7100.0 c  
What I get is  ELECrAFT  followed a few seconds later   by  0 ? 50.0  c (or 
u,r,etc) . . . and so on 
 
Following receipt of the message from Gary,KI4GGX,
 
"Holding 4 + 5 + 6 at power up does a factory  reset.  However, this will 
blow away any alignment that you have performed  to date."
 
I performed the reset and within 10 seconds all the readings were normal.  
Good news for my class because the students didn't make any mistakes and the 
rig 
 will finish on schedule. 
 
Also, more convincing evidence the Mojo lives on - maybe more so because of  
the members of the list and the endless good commentary that is the lifeblood 
of  our 'hobby'!
 
73 es tnx agn Gary,  Al WA6VNN



**It's Tax Time! Get tips, forms, and advice on AOL Money & 
Finance.  (http://money.aol.com/tax?NCID=aolprf000301)
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RE: [Elecraft] K3 Firmware downloads

[Dick Dievendorff]

Each firmware version completely replaces its predecessor. There is no need
to load each intermediate version, just the most recent available.

Dick, K6KR


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Nelson Wittstock
Sent: Saturday, March 15, 2008 9:41 PM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K3 Firmware downloads

When the latest firmware is downloaded to my K3 does it include the earlier 
versions or do I have to go back and download the earlier versions to have 
them all?

Nelson, K8DJC 


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[Elecraft] K3 Firmware downloads

[Nelson Wittstock]

When the latest firmware is downloaded to my K3 does it include the earlier 
versions or do I have to go back and download the earlier versions to have 
them all?


Nelson, K8DJC 



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[Elecraft] PC control of the K2

[n0jrn]

Got the KIO2 installed tonight .

Played with it for a bit I need to spend some time figuring out Writelog and 
the setup.Been too long since I used it.   :-)


Just curious,will the KIO2   support sending CW  from the PC  or does it 
require another interface of some sort?


For those of you using PC control,   how did you set it up?

How are you feeding audio to the PC and back ??

Thanks & 72

Jerry  N0JRN 


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[Elecraft] Where's the bass?

[Don Rasmussen]

Steve - glad to see you on board, bet you are tickled
with K3. You must have just gotten it, and like me,
dialed it out to see what this baby can do! It's still
early in the development, so some things like ESSB
transmit, subRx code, FM, and memory scan are still on
the drawing board. I'm told < 300hz audio is coming,
but have seen nothing in print to that effect. You can
beef up the audio at 300-500 with the EQ if you want,
the audio sounds full and rich, but alas it will leave
the subwoofer out of the loop. 


[Elecraft] Where's the bass?
n4lq n4lq at insightbb.com 
Sat Mar 15 20:38:13 EST 2008 

Previous message: [Elecraft] OT: Nabble threads? 
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author ] 



RE: My K3Audio seems to be totally cut off below
300hz. My subwoofer is 
unhappy. What's with that? My 870 , 7800 and O7 rocked
but this K3 is 
"bassless". Yes I tried the RX EQ, passband etc. Event
he waterfall is cut 
off past 300hz when trying to do digital.

N4LQ
Steve Ellington
N4LQ at insightbb.com 


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[Elecraft] Elecraft CW Net

[Kevin Rock]

Good Evening,
   Verizon has made my Internet access into an interesting exercise of moving 
computers, phone lines, and Kevin around.  I am working from home but on 
another phone line, with another computer, and from another room.  It seems the 
fuse panel on one of their boards fried itself and took out all of the lines on 
the board.  They now have a trailer about seven miles from here which takes 
care of some of the phone lines.  I don't have my normal computer telephone 
line yet.  Maybe during the coming week they will get it up and running again.  
It would be nice if they allowed 52 kB/S speeds but that would be asking too 
much ;)
   I have changed the times a little to conform to what we had a few weeks ago. 
 This keeps the nets at the same local times.  I will eat dinner after the 
second net is done.  When the sun comes back a little more we may change the 
second net later in the day.  I am not sure yet how this will work out.  
   Propagation was alright this week but not stellar.  I did have a couple 
contacts on 20 and another on 40 meters which worked but not well enough to 
chat long.  The school term is almost over so I will have more time on my hands 
after Tuesday.  I may have to take up some other hobby to keep myself occupied 
:)  But, spring should be here soon so I can cut more wood, work on the house, 
build a new greenhouse, build the deck out  back,  work on the roof, and 
generally work around the property.  That may keep me off the streets!

   I am going to send this while the phone is still working.  I will be on the 
air tomorrow but may not be on the Internet.  Who can tell?

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  help)
 
Sunday 2300z (Sunday 4 PM PDT) 14050 kHz
Monday 0100z (Sunday 6 PM PDT)  7045 kHz
 
   Stay warm,
  Kevin.  KD5ONS
 
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RE: [Elecraft] Where's the bass?

[Ed Muns]

> RE: My K3Audio seems to be totally cut off below 300hz. 
> My subwoofer is unhappy. What's with that? My 870 , 7800 and 
> O7 rocked but this K3 is "bassless". Yes I tried the RX EQ, 
> passband etc. Event he waterfall is cut off past 300hz when 
> trying to do digital.

What value is LO CUT?

73,
Ed - W0YK

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Re: [Elecraft] Where's the bass?

[WILLIS COOKE]

Steve, I am looking at the waterfall of my Kenwood
TS-850SAT and it cuts off at 300 Hz with the ssb
filter and at 400 Hz with the CW filter.  That is what
communications receivers do.

--- n4lq <[EMAIL PROTECTED]> wrote:

> RE: My K3Audio seems to be totally cut off below
> 300hz. My subwoofer is 
> unhappy. What's with that? My 870 , 7800 and O7
> rocked but this K3 is 
> "bassless". Yes I tried the RX EQ, passband etc.
> Event he waterfall is cut 
> off past 300hz when trying to do digital.
> 
> N4LQ
> Steve Ellington
> [EMAIL PROTECTED] 
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> 


Willis 'Cookie' Cooke 
K5EWJ
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[Elecraft] Where's the bass?

[n4lq]

RE: My K3Audio seems to be totally cut off below 300hz. My subwoofer is 
unhappy. What's with that? My 870 , 7800 and O7 rocked but this K3 is 
"bassless". Yes I tried the RX EQ, passband etc. Event he waterfall is cut 
off past 300hz when trying to do digital.


N4LQ
Steve Ellington
[EMAIL PROTECTED] 
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[Elecraft] OT: Nabble threads?

[Randy Moore]

I've been playing with reading the Elecraft list through Nabble lately.  
Works pretty good, but many times I've seen a thread that includes one 
or more other threads - different subjects entirely.  What's causing this?


73,
Randy, KS4L
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[Elecraft] Open to Offers for K3/100 #77

[Don Rasmussen]

Hi Doug - I am wondering how were the offers? Did you
find one acceptable, or decide to keep your K3?

Thanks,
Don


[Elecraft] Open to Offers for K3/100 #77
Doug Person doug at northroutt.net 
Sun Mar 9 00:28:26 EST 2008 

Previous message: [Elecraft] Big trade for a Loaded K3

Next message: [Elecraft] Elecraft CW Net Announcement 
Messages sorted by: [ date ] [ thread ] [ subject ] [
author ] 



I am open to offers for K3/100 #77 with KAT3 and
KFL3A-500 filter.  The 
K3 is flawless - everything works perfectly - no marks
- like new. 
Latest firmware updates. I can provide photos to those
interested.

I am facing considerable medical expenses in the very
near future.

Doug -- K0DXV


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Re: [Elecraft] KAF2-Assembly questions

[Robert Tellefsen]

Be sure you put the boards in the K3 sunny side up, Fred :-)

73, Bob N6WG

- Original Message -
From: "Fred Jensen" <[EMAIL PROTECTED]>
To: "Elecraft Reflector" 
Sent: Saturday, March 15, 2008 2:52 PM
Subject: Re: [Elecraft] KAF2-Assembly questions


> Andrew Moore wrote:
> > Reference:
> >
> > http://www.elecraft.com/kaf2/kaf2_side.jpg
> >
>
> Thanks Andrew.  As has happened with every kit I've built, I got the
> sides of the board mixed up, the picture made that clear.  It seems
that
> after I get components on each side and they look sort of similarly
> populated, and have been building for a couple of hours, this
happens.
> I was able to get the two trimpots out and installed on the proper
side.
>   I am now going to take a break until tomorrow evening :-)
> Fortunately, this isn't likely to be a problem when my K3 gets here
> although some other technical difficulty in my mind will probably
arise.
>
> 73,
>
> Fred K6DGW
> - Northern California Contest Club
> - CU in the 2008 Cal QSO Party  4-5 Oct 08
> - www.cqp.org
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Re: [Elecraft] KAF2-Assembly questions

[Fred Jensen]

Andrew Moore wrote:

Reference:

http://www.elecraft.com/kaf2/kaf2_side.jpg



Thanks Andrew.  As has happened with every kit I've built, I got the 
sides of the board mixed up, the picture made that clear.  It seems that 
after I get components on each side and they look sort of similarly 
populated, and have been building for a couple of hours, this happens. 
I was able to get the two trimpots out and installed on the proper side. 
 I am now going to take a break until tomorrow evening :-) 
Fortunately, this isn't likely to be a problem when my K3 gets here 
although some other technical difficulty in my mind will probably arise.


73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2008 Cal QSO Party  4-5 Oct 08
- www.cqp.org
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[Elecraft] K2 problems

[wsm]

Hello
I'm assembling my second K2 and am having a bit of a problem.
I am more of an operator than techniciation.
Everything went good up until the second test. At that point
my BFO wasn't working. While trying to find out why it wasn't
working, I did something that made the frequency counter and volt
meter stop working.
First off, my 8 volt regulator on the control board is only 
putting out 7.6 volts. Is that enough to work ok?
Second, none of the voltages on control board U2 are anywhere
near where they should be, except pin 8 which is 7.63 volts.
Pins 1,2,and 3 have 3.4 volts instead of 6.9. Pins 5,6, and
7 have only 3.69 volts instead of 7.3.
Control board U7 has 0 volts instead of 5 volts on pin 5,  and 5
volts instead of 0 volts on pin 6. Could this be another manual
error, it says they should be the opposite.
U6 has the voltages on pin 24 and 25 reversed, according to the
manual, pin 24 actually has 0 volts and 25 has 4.9 volts.
Could any of this be my problem, or am I looking in the wrong 
place like I normally do!
Any help appreciated.
73
Scott N5SM


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Re: [Elecraft] VP6DX -- the true story ?

[David Woolley (E.L)]

Eric Scace K3NA wrote:
  In my limited understanding of the K3 signal path, there is always a 
DSP operation on the signal for filtering.   While noise blanking, noise 
reduction, and audio effects can all be switched off, I don't know if it 
is possible to remove ALL digital signal processing from the signal 
path; i.e., operate only with the crystal filters.


The product detector (or FM discriminator) is implemented in the DSP 
firmware, so, if you could bypass the DSP, you would have a signal at 
the final IF frequency (15kHz?), not a baseband one.


--
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 
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Re: [Elecraft] Par Electronics EF-10/20/40

[Bill W4ZV]

hermit-4 wrote:
> 
> 
> I would like to hear from folks that have used the Par Electronics
> EF-10/20/40 with any of the Elecraft qrp rigs especially the KX-1.
> 

Not an Elecraft rig and using the older 2-band version EF-20/40:

http://users.vnet.net/btippett/cataloochee_divide_trail_qrp.htm

Nice product, great for ultralight operation (no tuner required), great
support from Dale Par W4OP of Par Electronics.

73,  Bill

-- 
View this message in context: 
http://www.nabble.com/Par-Electronics-EF-10-20-40-tp16072746p16072863.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] KAF2-Assembly questions

[Mike S]

At 05:30 PM 3/15/2008, Fred Jensen wrote...
>I'm building the KAF2 Audio Filter.  Two questions for whoever knows:

There's a good picture on the Elecraft site which should answer your 
concerns: http://www.elecraft.com/kaf2/kaf2_top.jpg


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[Elecraft] Par Electronics EF-10/20/40

[hermit]

I would like to hear from folks that have used the Par Electronics
EF-10/20/40 with any of the Elecraft qrp rigs especially the KX-1.

Any hits, advice, pro's con's, etc. will be appreciated.

73

Rich Williams
KB3OMJ

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[Elecraft] KAF2-Assembly questions

[Fred Jensen]

I'm building the KAF2 Audio Filter.  Two questions for whoever knows:

1.  I mounted the two trimmer pots on the top side of the board even 
though their outline is on the bottom.  Hope that's right, it didn't 
make sense to have an adjustable component on the bottom.


2.  I'm about to mount the socket for U2 on top however its outline is 
also on the bottom.


First instruction says, "If an assembly step does not specify top or 
bottom, the component should be installed on the top side."  Can I take 
the manual at its word and put the U2 socket on the top?


73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2008 Cal QSO Party  4-5 Oct 08
- www.cqp.org
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[Elecraft] k2 - IF amplifier alignment..

[sergio]

for some reason, i cannot find the internal signal that i am supposed  
to find on 7000. i have slow scanned past it several times.. and  
cannot find it..



i did the 40 meter band pass filter alignment, and with an antenna  
hooked up, i can hear plenty of signals to adjust to.. but when i  
unplug the antenna, and look for a signal around 7000.. no dice..


anyone have any ideas?

other than that, this k2 is ALMOST ready to put on the air (and make  
room for more projects..)


tu de kb8qpt


___
peace,
sergio
photographer, journalist, visionary
www.village-buzz.com



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Re: [Elecraft] PA Temperature Sensor problem

[[EMAIL PROTECTED]]

Hi Mark,

pls check config:kpa3
it seems to be 'not inst'
it should be 'pa nor'  not  'pa io nor'

73
Thomas, DM7TN

-Original Message-
Date: Sat, 15 Mar 2008 20:55:26 +0100
Subject: [Elecraft] PA Temperature Sensor problem
From: MARK HAMPTON 
To: elecraft@mailman.qth.net

Hi all, 
         #579 went together smoothly but I have a little problem with
setting the PA sensor temperature.     I had no problem with setting the
front panel temperature.  However, I moved on to do the PA one and
moving the VFO dial does absolutely nothing - its 2 'dashes' where the
temperature should be.    I haven't updated the firmware yet so that
could possibly be the problem though is there any other possible
problem?

Thanks, Mark M5MDH
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Re: [Elecraft] PA Temperature Sensor problem

[aa1o]

Mark,
sounds as if you haven't enabled the PA. check the config menu KPA3 should 
be set to nor (not "io nor")

-Bill AA1O

- Original Message - 
From: "MARK HAMPTON" <[EMAIL PROTECTED]>

To: 
Sent: Saturday, March 15, 2008 3:55 PM
Subject: [Elecraft] PA Temperature Sensor problem



Hi all,
 #579 went together smoothly but I have a little problem with 
setting the PA sensor temperature. I had no problem with setting the 
front panel temperature.  However, I moved on to do the PA one and moving 
the VFO dial does absolutely nothing - its 2 'dashes' where the 
temperature should be.I haven't updated the firmware yet so that could 
possibly be the problem though is there any other possible problem?


Thanks, Mark M5MDH
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[Elecraft] PA Temperature Sensor problem

[MARK HAMPTON]

Hi all, 
  #579 went together smoothly but I have a little problem with setting 
the PA sensor temperature. I had no problem with setting the front panel 
temperature.  However, I moved on to do the PA one and moving the VFO dial does 
absolutely nothing - its 2 'dashes' where the temperature should be.I 
haven't updated the firmware yet so that could possibly be the problem though 
is there any other possible problem?

Thanks, Mark M5MDH
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Re: [Elecraft] K3 "CW via CAT Command"?

[rkayakr]

Doug
  I can confirm that you can send CW by cat command from both Ham Radio
Deluxe and DM780. The macros I use have the same syntax as for the K2. 

  You could also try sending the macro command through the downloaded
program. If they work in the downloaded you know you have the syntax right.

Bob
  KD8CGH
KX1, K2, K3 , ...



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Re: [Elecraft] Auto ATU for K3 + Amplifier

[rkayakr]

Mike

  I use the MFJ 994B tuner with an ALS-600 amp. I used the same setup with
my K2 and have had no problems. Now that the MFJ-998 tuner is available I
would pop for the extra capacity if I had it to do over. The 998 will
automatically lock out the amp when the tuner is tuning. 

  The unfortunate thing about the Elecraft rigs is that there is no way to
put them in tune mode from an outside line, nor do they generate a signal
out when put in tune. I haven't found any way to get them to one touch tune
like other rigs. Yes, I've mentioned it before. Since the development list
is not public, one never knows if a requested feature is ever coming or not.

Bob
  KD8CGH
LX1, K2, K3



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Re: [Elecraft] K3 AF / RF knob placement

[Lyle Johnson]

I just noticed that the picture of the K3 on the Elecraft website shows the
AF knob below the RF knob.  In looking at my K3 I notice that the AF knob is
now on top of the RF knob.  Anyone know why this was changed?


The front panel legends changed slightly as a result of feedback and and 
development during the initial month of two of field testing.  The 
picture on the website is out of date.


73,

Lyle KK7P

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[Elecraft] K3 AF / RF knob placement

[Manuel Maseda]

 
I just noticed that the picture of the K3 on the Elecraft website shows the
AF knob below the RF knob.  In looking at my K3 I notice that the AF knob is
now on top of the RF knob.  Anyone know why this was changed?

Manuel  W4SSB

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Re: [Elecraft] K3 SO-239 Connectors

[Mike Harris]

Interesting but badly out of focus, detail lost.

Regards,

Mike VP8NO


| In spending some time reviewing the placement of the K3's SO-239 
connectors,
| the RF connector mounting configuration can be improved with only minor
| re-work as shown below. In the link to the following photo, you will see 
the
| two panel-mounted SO-239 connectors with three (3) solder-lugs added as 
well
| as the KAT3 ATU Board.
|
| 216.229.20.37/images/K3-1.jpg

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[Elecraft] K3/100 #513 on the air

[Manuel Maseda]

 
I had time to complete the calibration this morning.  I'm extremely happy
with the K3.  SSB audio is assume.  I especially like the LCD display.
Appears to be much brighter and has better contrast than my Kenwood TS-2000.

Congratulations to Eric and Wayne!!

Manuel  W4SSB

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Re: [Elecraft] K3 "CW via CAT Command"?

[Doug Faunt N6TQS +1-510-655-8604]

MixW 2.18.  It's got a clicky box for "CW by CAT" and a search of the
MixW mailing list finds a couple of references to people who got it to
work.  The Kenwood's and the Elecraft's share the KY command, which is
what I assume is being used.


   Date: Sat, 15 Mar 2008 10:54:31 -0700 (PDT)
   From: G4ILO <[EMAIL PROTECTED]>

   Doug Faunt N6TQS +1-510-655-8604 wrote:
   > 
   > Hi, I'm using MixW with my K3, configuring it as "K2" under Kenwood
   > for CAT, and decided to try the "CW via CAT Command", since that seems
   > to be similar (I think).  But it doesn't send CW- it puts the rig in TX,
   > and
   > something is happening, I can hear some sort of artifacts coming from
   > the speaker, a click for each CW element (adjustable by the volume
   > control).  But there's no RF shown (and no I don't have the radio in
   > "test").
   > 
   > I know I'm out here on the bleeding edge, but wonder if anyone has any
   > ideas about the problem.
   > 
   > 73, doug
   > 
   What version of MixW are you using, Doug? I never used the latest version,
   and probably won't now since I have switched to Linux, but as far as I know
   MixW sends CW by keying one of the RS-232 control lines (according to which
   one you set up on the CAT configuration menu.) It can do TX/RX switching
   using CAT commands but it does not send CW using CAT to the best of my
   knowledge.

Your knowledge is incomplete, apparently.

   If you download the KCommunicate from my website then this will send CW
   using CAT. It also reads and writes MixW compatible log files. I made a
   couple of hundred contacts with it in the CQ WW contest last year so you
   should find it is pretty stable. That version dates from before I had a K3
   so you should select K2 in the configuration.

   Since I am now using Linux I will not be releasing another Windows version
   any time soon but I have rather lost interest in the program anyway since
   the main point of it was to be able to use the K3's built in CW, PSK and
   RTTY decoders and there is currently no way to get the decoded text on to
   the computer screen. The text stream enabled with the TT1 command conflicts
   with the use of CAT control commands.

Perhaps in future this problem will be addressed in the K3, especially
since having the second RX will compound the problem.

Of course, with CW Skimmer, a whole new dimension has been added to
automated CW copy.

73, doug
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Re: [Elecraft] K3 "CW via CAT Command"?

[G4ILO]

Doug Faunt N6TQS +1-510-655-8604 wrote:
> 
> Hi, I'm using MixW with my K3, configuring it as "K2" under Kenwood
> for CAT, and decided to try the "CW via CAT Command", since that seems
> to be similar (I think).  But it doesn't send CW- it puts the rig in TX,
> and
> something is happening, I can hear some sort of artifacts coming from
> the speaker, a click for each CW element (adjustable by the volume
> control).  But there's no RF shown (and no I don't have the radio in
> "test").
> 
> I know I'm out here on the bleeding edge, but wonder if anyone has any
> ideas about the problem.
> 
> 73, doug
> 
What version of MixW are you using, Doug? I never used the latest version,
and probably won't now since I have switched to Linux, but as far as I know
MixW sends CW by keying one of the RS-232 control lines (according to which
one you set up on the CAT configuration menu.) It can do TX/RX switching
using CAT commands but it does not send CW using CAT to the best of my
knowledge.

If you download the KCommunicate from my website then this will send CW
using CAT. It also reads and writes MixW compatible log files. I made a
couple of hundred contacts with it in the CQ WW contest last year so you
should find it is pretty stable. That version dates from before I had a K3
so you should select K2 in the configuration.

Since I am now using Linux I will not be releasing another Windows version
any time soon but I have rather lost interest in the program anyway since
the main point of it was to be able to use the K3's built in CW, PSK and
RTTY decoders and there is currently no way to get the decoded text on to
the computer screen. The text stream enabled with the TT1 command conflicts
with the use of CAT control commands.

-
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
-- 
View this message in context: 
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Re: [Elecraft] K3 - BNC's instead of SO-239's

[Robert Tellefsen]

Hi Ken
Just ordered three sets yesterday from Marshall.
Had a nice phone QSO with him in the process.
Getting ready for my K3 :-)
73, Bob N6WG

- Original Message - 
From: "Ken Kopp" <[EMAIL PROTECTED]>
To: 
Sent: Saturday, March 15, 2008 9:37 AM
Subject: [Elecraft] K3 - BNC's instead of SO-239's


> Here's a repost of an earlier item that relates to the 
> Ks SO-239 subject.
> 
> --
> 
> Oak Hills Research offers kits of 2ea BNC female connectors
> with nicely pre-punched and finished plates that allow them to
> be installed in the SO-239 hole pattern.  The kits include a
> ground lug.  I've fitted my OHR WM-2 and Elecraft items with 
> them.  
> 
> 73! Ken Kopp - K0PP
> [EMAIL PROTECTED]
> 
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[Elecraft] K3 - BNC's instead of SO-239's

[Ken Kopp]

Here's a repost of an earlier item that relates to the 
Ks SO-239 subject.


--

Oak Hills Research offers kits of 2ea BNC female connectors
with nicely pre-punched and finished plates that allow them to
be installed in the SO-239 hole pattern.  The kits include a
ground lug.  I've fitted my OHR WM-2 and Elecraft items with 
them.  


73! Ken Kopp - K0PP
[EMAIL PROTECTED]

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Re: [Elecraft] K3 SO-239 Connectors

[Robert Tellefsen]

Good post, Paul.  Than you.

I've added it to the notes I'm collecting for things
to check when my K3 comes.

73, Bob N6WG

- Original Message -
From: "Paul Christensen" <[EMAIL PROTECTED]>
To: 
Sent: Saturday, March 15, 2008 7:59 AM
Subject: [Elecraft] K3 SO-239 Connectors


> As indicated earlier, I included a link to a photo that shows my
K3's
> upgraded Amphenol SO-239 connectors.
>
> 216.229.20.37/images/K3.jpg
>
> The Mouser catalog P/N is 523-83-798.  The Amphenol P/N is 83-798.
>
> In spending some time reviewing the placement of the K3's SO-239
connectors,
> the RF connector mounting configuration can be improved with only
minor
> re-work as shown below. In the link to the following photo, you will
see the
> two panel-mounted SO-239 connectors with three (3) solder-lugs added
as well
> as the KAT3 ATU Board.
>
> 216.229.20.37/images/K3-1.jpg
>
> The K3 comes with both the ANT 1 and ANT 2 SO-239 connections routed
to the
> KAT3 board with only a single-ended wire.  The connectors' RF return
path
> necessarily relies upon clean, tight, but unbonded connections
through the
> chassis and also through a path of screws washers, and an aluminum
spacer
> that holds the KAT3 to the K3' side panel.  In the photo, you will
see that
> the final RF attachment point to the KAT3 is through a zinc-plated,
> Phillips-head screw located at the upper left of the board.  This is
the
> same attachment point whether its modified or unmodified.  Only, in
the
> modified layout, bus wire connects the SO-239 connectors straight to
the
> zinc screw connection point.  Removal of the KAT3 board is just as
easy as
> it was before.  It's now also possible to replace the aluminum
spacer with a
> ceramic or fiber spacer which, will force all RF current along the
new buss
> wire and keep high RF current from circulating through the K3's
chassis.
>
> At 100W of RF, I am not completely comfortable with the existing
arrangement
> given my past experiences with transceivers of other manufacturer
who
> similarly use single-ended RF wiring techniques and rely upon good
chassis
> and hardware connections for the RF return path.  In almost all
cases where
> RF ingress was an issue, those cases were resolved by creating a
direct RF
> return path from the antenna connectors, rather than allowing 100%
of the RF
> current to flow and circulate through the chassis.  True, in a
bonded
> configuration like this, the chassis will still allow for some RF
current,
> but the level of chassis RF current can be reduced by either: (i)
running a
> short buss wire from a solder-lug on the SO-239 connectors to the
KAT3; or
> (ii) using short (3") coaxial cable from the SO-239s to the KAT3
with
> shields bonded at both ends.   I suspect that ANT 1/ANT 2 antenna
port
> isolation may be improved by using the coaxial option.
>
> Since the wire length between the KAT3 and SO-239 connectors is so
short, I
> decided to use #20 AWG buss wire with solder-lugs, rather than use
coaxial
> cable, although ideally, something like 2 or 3-inch cuts of RG-174
with
> Teflon dielectric would be ideal.  I may switch to that at a later
point and
> verify port isolation results.
>
> Paul, W9AC
>
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Re: [Elecraft] Auto ATU for K3 + Amplifier

[Robert Tellefsen]

Here is something for you to check.  May work,
may not.

The K2 has provision for a keying output closure
to key amps and such.  The K3 does also.
Check to see if it is providing its closure during
TUNE as well as during TX.  That might give you
the closure you need to stir your ATU to action.

Good luck and 73
Bob N6WG

- Original Message -
From: "AD6XY - Mike" <[EMAIL PROTECTED]>
To: 
Sent: Saturday, March 15, 2008 5:49 AM
Subject: Re: [Elecraft] Auto ATU for K3 + Amplifier


>
>
> Thanks for the responses so far. I am currently using a Z11 auto
tuner at
> 10W.
>
> Can anyone help me with a configuration setting? What I would like
to happen
> is for something useful to happen when I press the ATU Tune button
on the
> K3. What it should do is provide a low power signal and toggle a
tune line.
> So far all I can get it to do it tell me the KAT3 is not installed,
which I
> know already.
>
> Having lived with my K3 for almost 24 hours, I find one of the major
design
> flaws in the K3 is the lack of antenna outputs for those of us who
don't
> need an ATU built in. for HF only it is understandable, but it is
crazy
> considering the rig does 6m.  The ANT button appears redundant, I am
sure we
> could have a PCB with two or 3 RF connectors and a relay or two. I
am not
> sure I really like the way the SO239 is connected - but I suppose it
is only
> HF... Operating without the right side panel (don't ask) the wire
loop
> certainly picks up lots of local noise from my PC and monitor.
>
> Mike
> --
> View this message in context:
http://www.nabble.com/Auto-ATU-for-K3-%2B-Amplifier-tp16048136p1606781
1.html
> Sent from the Elecraft mailing list archive at Nabble.com.
>
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[Elecraft] KDVR3 Digital Voice Recorder

[Bob]

Does anyone know if the K3 allows one to record what the receiver is
hearing and then immediately take that recording and transmit it? For
instance when a station who I am in a QSO with wants an audio report,
it would be handy to immediately play back (over the air) what you are
receiving.  On my IC-7000, I can record, but I can not play back
during transmit and I wish I could.

Thanks in advance for any feedback or speculation as to how this
recorder will work.
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[Elecraft] Re: K3 SO-239 Connectors

[Paul Christensen]

216.229.20.37/images/K3.jpg



216.229.20.37/images/K3-1.jpg


The mail list server is blocking my complete, linked URLs.  To access the 
photos, please include "http://"; in from of the IP address.


Paul, W9AC






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[Elecraft] K3 SO-239 Connectors

[Paul Christensen]

As indicated earlier, I included a link to a photo that shows my K3's 
upgraded Amphenol SO-239 connectors.


216.229.20.37/images/K3.jpg

The Mouser catalog P/N is 523-83-798.  The Amphenol P/N is 83-798.

In spending some time reviewing the placement of the K3's SO-239 connectors,
the RF connector mounting configuration can be improved with only minor
re-work as shown below. In the link to the following photo, you will see the
two panel-mounted SO-239 connectors with three (3) solder-lugs added as well
as the KAT3 ATU Board.

216.229.20.37/images/K3-1.jpg

The K3 comes with both the ANT 1 and ANT 2 SO-239 connections routed to the
KAT3 board with only a single-ended wire.  The connectors' RF return path
necessarily relies upon clean, tight, but unbonded connections through the
chassis and also through a path of screws washers, and an aluminum spacer
that holds the KAT3 to the K3' side panel.  In the photo, you will see that
the final RF attachment point to the KAT3 is through a zinc-plated,
Phillips-head screw located at the upper left of the board.  This is the
same attachment point whether its modified or unmodified.  Only, in the
modified layout, bus wire connects the SO-239 connectors straight to the
zinc screw connection point.  Removal of the KAT3 board is just as easy as
it was before.  It's now also possible to replace the aluminum spacer with a
ceramic or fiber spacer which, will force all RF current along the new buss
wire and keep high RF current from circulating through the K3's chassis.

At 100W of RF, I am not completely comfortable with the existing arrangement
given my past experiences with transceivers of other manufacturer who
similarly use single-ended RF wiring techniques and rely upon good chassis
and hardware connections for the RF return path.  In almost all cases where
RF ingress was an issue, those cases were resolved by creating a direct RF
return path from the antenna connectors, rather than allowing 100% of the RF
current to flow and circulate through the chassis.  True, in a bonded
configuration like this, the chassis will still allow for some RF current,
but the level of chassis RF current can be reduced by either: (i) running a
short buss wire from a solder-lug on the SO-239 connectors to the KAT3; or
(ii) using short (3") coaxial cable from the SO-239s to the KAT3 with
shields bonded at both ends.   I suspect that ANT 1/ANT 2 antenna port
isolation may be improved by using the coaxial option.

Since the wire length between the KAT3 and SO-239 connectors is so short, I
decided to use #20 AWG buss wire with solder-lugs, rather than use coaxial
cable, although ideally, something like 2 or 3-inch cuts of RG-174 with
Teflon dielectric would be ideal.  I may switch to that at a later point and
verify port isolation results.

Paul, W9AC

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[Elecraft] re using Kenwood SM-220 panadapter with K3

[Fern Rivard]

Has anyone been sucessful in using the Kenwood SM-220 as a band scope 
looking at the IF of the K3? The IF's of the kenwood radio or the K3 are very 
close with only about 600 khz difference so it's a simple matter to tweek the 
oscillator trimmer in the SM-220 to adjust that. However, I get a lot of 
interaction between the SM-220 and the K3. I've also tried using a 10 db 
attenuator pad but still get erratic results.
Fern


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Re: [Elecraft] Auto ATU for K3 + Amplifier

[T. David Yarnes]

The "ATU Tune" button is for the internal tuner, which you 
apparently don't have.  But if you push the "Xmit" button" 
to the left (hold it for a second or so), you should get 
what you need I think.


Dave W7AQK

- Original Message - 
From: "AD6XY - Mike" <[EMAIL PROTECTED]>

To: 
Sent: Saturday, March 15, 2008 6:49 AM
Subject: Re: [Elecraft] Auto ATU for K3 + Amplifier





Thanks for the responses so far. I am currently using a 
Z11 auto tuner at

10W.

Can anyone help me with a configuration setting? What I 
would like to happen
is for something useful to happen when I press the ATU 
Tune button on the
K3. What it should do is provide a low power signal and 
toggle a tune line.
So far all I can get it to do it tell me the KAT3 is not 
installed, which I

know already.

Having lived with my K3 for almost 24 hours, I find one of 
the major design
flaws in the K3 is the lack of antenna outputs for those 
of us who don't
need an ATU built in. for HF only it is understandable, 
but it is crazy
considering the rig does 6m.  The ANT button appears 
redundant, I am sure we
could have a PCB with two or 3 RF connectors and a relay 
or two. I am not
sure I really like the way the SO239 is connected - but I 
suppose it is only
HF... Operating without the right side panel (don't ask) 
the wire loop
certainly picks up lots of local noise from my PC and 
monitor.


Mike
--
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http://www.nabble.com/Auto-ATU-for-K3-%2B-Amplifier-tp16048136p16067811.html

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Re: [Elecraft] Auto ATU for K3 + Amplifier

[Ken K3IU]

Oop... sorry about the double negative. It should say...
"If you don't have the KAT3 installed, I don't think that tapping the 
"ATU TUNE" button is gonna do anything for you."

73, Ken K3IU

Ken K3IU wrote:

Hi Mike:

If you don't have the KAT3 installed, I don't think that tapping the 
"ATU TUNE" button is not gonna do anything for you. However, just to 
the left of that is the XMIT/TUNE button. In the menu system you can 
specify the amount of power that will be produced when you press/hold 
TUNE. A PTT logic output is available in a couple of places on the 
back (Key Out and in the ACC connector) of the rig which you could use 
to "trigger" a tune line of your making.


73,
Ken K3IU

AD6XY - Mike wrote:
Thanks for the responses so far. I am currently using a Z11 auto 
tuner at

10W.

Can anyone help me with a configuration setting? What I would like to 
happen
is for something useful to happen when I press the ATU Tune button on 
the
K3. What it should do is provide a low power signal and toggle a tune 
line.
So far all I can get it to do it tell me the KAT3 is not installed, 
which I

know already.

Having lived with my K3 for almost 24 hours, I find one of the major 
design

flaws in the K3 is the lack of antenna outputs for those of us who don't
need an ATU built in. for HF only it is understandable, but it is crazy
considering the rig does 6m.  The ANT button appears redundant, I am 
sure we
could have a PCB with two or 3 RF connectors and a relay or two. I am 
not
sure I really like the way the SO239 is connected - but I suppose it 
is only

HF... Operating without the right side panel (don't ask) the wire loop
certainly picks up lots of local noise from my PC and monitor.
Mike
  

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Re: [Elecraft] Auto ATU for K3 + Amplifier

[Ken K3IU]

Hi Mike:

If you don't have the KAT3 installed, I don't think that tapping the 
"ATU TUNE" button is not gonna do anything for you. However, just to the 
left of that is the XMIT/TUNE button. In the menu system you can specify 
the amount of power that will be produced when you press/hold TUNE. A 
PTT logic output is available in a couple of places on the back (Key Out 
and in the ACC connector) of the rig which you could use to "trigger" a 
tune line of your making.


73,
Ken K3IU

AD6XY - Mike wrote:

Thanks for the responses so far. I am currently using a Z11 auto tuner at
10W.

Can anyone help me with a configuration setting? What I would like to happen
is for something useful to happen when I press the ATU Tune button on the
K3. What it should do is provide a low power signal and toggle a tune line.
So far all I can get it to do it tell me the KAT3 is not installed, which I
know already.

Having lived with my K3 for almost 24 hours, I find one of the major design
flaws in the K3 is the lack of antenna outputs for those of us who don't
need an ATU built in. for HF only it is understandable, but it is crazy
considering the rig does 6m.  The ANT button appears redundant, I am sure we
could have a PCB with two or 3 RF connectors and a relay or two. I am not
sure I really like the way the SO239 is connected - but I suppose it is only
HF... Operating without the right side panel (don't ask) the wire loop
certainly picks up lots of local noise from my PC and monitor. 


Mike
  

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Re: [Elecraft] Auto ATU for K3 + Amplifier

[AD6XY - Mike]

Thanks for the responses so far. I am currently using a Z11 auto tuner at
10W.

Can anyone help me with a configuration setting? What I would like to happen
is for something useful to happen when I press the ATU Tune button on the
K3. What it should do is provide a low power signal and toggle a tune line.
So far all I can get it to do it tell me the KAT3 is not installed, which I
know already.

Having lived with my K3 for almost 24 hours, I find one of the major design
flaws in the K3 is the lack of antenna outputs for those of us who don't
need an ATU built in. for HF only it is understandable, but it is crazy
considering the rig does 6m.  The ANT button appears redundant, I am sure we
could have a PCB with two or 3 RF connectors and a relay or two. I am not
sure I really like the way the SO239 is connected - but I suppose it is only
HF... Operating without the right side panel (don't ask) the wire loop
certainly picks up lots of local noise from my PC and monitor. 

Mike
-- 
View this message in context: 
http://www.nabble.com/Auto-ATU-for-K3-%2B-Amplifier-tp16048136p16067811.html
Sent from the Elecraft mailing list archive at Nabble.com.

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R: [Elecraft] Rose's Elecraft Covers

[Paolo Gramigna]

I'll order a few, but for unknown reasons my email to Rose bounces back,
treated as spam. Rose, if you can hear me, will you contact me at
[EMAIL PROTECTED]

73,
IK4YNG Paolo


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[Elecraft] Rose's Elecraft Covers

[Mike McCown]

I received my covers from Rose Kopp, N7HKW. They are absolutely 
fabulous! I bought one for my K2 and K3.
She emailed me pics of her work after I contacted her. I ordered black 
cloth with gold lettering, looks great. 73, Mike, N3HY



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Re: [Elecraft] posting links

[David Woolley]

Lyle Johnson wrote:
Enclose it in angle brackets with a prefix URL: and a space separating 
the brackets from the URL, like this:


< URL:http://www.elecraft.com >

This also prevents most email clients from breaking up the line as if it 
were text for long URLs.


The correct format for enclosing URLs in email is with no URL: and with 
no spaces within the angle brackets.  If you find you need the spaces it 
is probably to stop the sending email client from recognizing it as a 
URL (I think some strip the angle brackets in rich text and may forget 
to put them back in plain text).


However, if mail is not getting through because it contains full URLs I 
would suspect the real problem is a spam filter somewhere down the line, 
as URLs in email are a spam indicator.


--
David Woolley
Emails are not formal business letters, whatever businesses may want.
RFC1855 says there should be an address here, but, in a world of spam,
that is no longer good advice, as archive address hiding may not work.
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Re: [Elecraft] K3: FM testing going well

[G4ILO]

wayne burdick wrote:
> 
> We now have FM mode working in the K3, including tone encode on TX with 
> all tones selectable (by frequency in Hz). Memories will store PL tones 
> and splits.
> 
> I've made a number of contacts on 6 meters, as well as on 2 m using an 
> Elecraft XV-144 transverter. A nice diversion from HF!
> 
> We still have quite a bit of FM-related firmware to complete. We'll 
> probably have it ready in a couple of weeks. If you have suggestions 
> for FM features, please send them to me directly.
> 
> I'd also like to try 10-m FM. Anyone have suggestions for accessible 
> 10-m repeaters, anywhere in the U.S.? I'll be trying the local 
> machines, too.
> 
> 
That's great news. My FM filter seems to be stuck in transit somewhere, but
hopefully it will arrive by the time the firmware is working!

One suggestion that occurs to me (which you may already have thought of) is
have you incorporated two preset levels of FM deviation, for HF and VHF? I
used to find that HF rigs transverted to VHF have weak modulation because
the deviation level used on HF is lower than on VHF. It's probably less of a
problem now that 12.5kHz spacing is used on VHF but when 25kHz spacing was
used, with comparably wider filters, the difference was noticeable when
compared to dedicated 2m rigs.

-
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
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[Elecraft] K3: who posted photo of faulty board?

[DOUGLAS ZWIEBEL]

Hi:

I'm looking for the link to the recent posting with the photo of the
component that was not soldered on one side, which was generating
noise.

Please reply directly only.

Thanks,
Doug
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Re: [Elecraft] re UP & Down features on mic

[David Pratt]

In a recent message, Fern Rivard <[EMAIL PROTECTED]> wrote ...
  Can anyone please enlighten me on whether the UP and Down feature on 
the microphone connect work against ground or +8 volts dc. Although I 
purchases the optional electret style of hand microphone, I much prefer 
a good dynamic microphone.


The UP/DOWN buttons on the Kenwood MC-43S switch between VFO A and VFO B 
on the K2.  I presume that the same will eventually apply to the K3 in 
the interests of compatibility.


73
--
David G4DMP
Leeds, England, UK
--


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