[Elecraft] KX3 and TX5K on 160

[Jim Sheldon]

Good thing them guys out there on Clipperton are using K3's.  Good antennas 
over salt water don't hurt either.  Even though I already had them on 160 using 
the K3 and KPA500 from several days ago, when I heard them this morning about 
11:20 UTC,  I decided to try just one more and see if the KX3 would do it.  My 
antenna is not really very good, a quarter wave inverted L that's only up about 
25 feet and no counterpoise, only an 8 foot ground rod right at the feedpoint.  
The KX3 powered up at 5 watts on the internal batteries and I switched it to 
the "L" and shut down the K3.

Used the PF1 macro to set Dual Watch on and split up 2 and then heard them say 
they were "QSX 21" so the JA stations could legally work them.  Cranked the B 
VFO to 1821 and heard several stations calling them so I waited for them to end 
a JA QSO and called them.  Op came right back on my first call!  If I never 
work another DXpedition station with the KX3, I'll be happy - LOL.

Jim - W0EB


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Re: [Elecraft] K3 EZ

[Mike Reublin]

I asked about the code a while back. Whoever the poster was didn't have the 
code, and wasn't involved in the program at all.

73, Mike NF4L

On Mar 5, 2013, at 10:12 PM, "Jay"  wrote:

> Is the code available?
> 
> 
> - Original Message - From: "Jim McDonald" 
> To: "'Elecraft Reflector'" 
> Sent: Tuesday, March 05, 2013 5:14 PM
> Subject: Re: [Elecraft] K3 EZ
> 
> 
>> N2BC told me he was looking for someone to pick up the programming but he
>> apparently didn't do it.
>> 
>> I had a problem with the 2008 version not working with my Windows 7/64
>> computer to read and set the TX/RX EQ.  The earlier versions worked OK.
>> 
>> 73, Jim N7US
>> 
>> 
>> 
>> -Original Message-
>> 
>> 
>> I just loaded the K3 EZ program which appears to be a 2008 version, the last
>> version (?). I understand the author is an SK.
>> 
>> Anyone have any plans to bring this back or create something similar.?
>> 
>> This could really be a simple way to set up a K3 with radio buttons and
>> different fields to either fill in or with check-offs for fixed values
>> 
>> ...just a thought from a newbie K3 user.
>> 
>> 73
>> Jay
>> W2IJ
>> 
>> 
>> 
>> 
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Re: [Elecraft] K3 EZ

[Harlan]

Would someone send me a copy of the program . I would like to see how involved 
it is.

Sent from my Verizon Wireless 4G LTE DROID

Mike Reublin  wrote:

>I asked about the code a while back. Whoever the poster was didn't have the 
>code, and wasn't involved in the program at all.
>
>73, Mike NF4L
>
>On Mar 5, 2013, at 10:12 PM, "Jay"  wrote:
>
>> Is the code available?
>> 
>> 
>> - Original Message - From: "Jim McDonald" 
>> To: "'Elecraft Reflector'" 
>> Sent: Tuesday, March 05, 2013 5:14 PM
>> Subject: Re: [Elecraft] K3 EZ
>> 
>> 
>>> N2BC told me he was looking for someone to pick up the programming but he
>>> apparently didn't do it.
>>> 
>>> I had a problem with the 2008 version not working with my Windows 7/64
>>> computer to read and set the TX/RX EQ.  The earlier versions worked OK.
>>> 
>>> 73, Jim N7US
>>> 
>>> 
>>> 
>>> -Original Message-
>>> 
>>> 
>>> I just loaded the K3 EZ program which appears to be a 2008 version, the last
>>> version (?). I understand the author is an SK.
>>> 
>>> Anyone have any plans to bring this back or create something similar.?
>>> 
>>> This could really be a simple way to set up a K3 with radio buttons and
>>> different fields to either fill in or with check-offs for fixed values
>>> 
>>> ...just a thought from a newbie K3 user.
>>> 
>>> 73
>>> Jay
>>> W2IJ
>>> 
>>> 
>>> 
>>> 
>>> __
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[Elecraft] unsubscribe

[Kevin Hobbs]

 

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Re: [Elecraft] Filter

[david Moes]

I currently have the 1.8 filter.   and it works fine for me.   however 
don't expect miracles  I am not sure it its really all that needed.
If you are in a location that you get a lot of very strong signals in a 
contest  the filter will help more when adjacent strong signals start 
AGC acting on it and effect the level of weak signal you are trying to 
dig out. however in most cases The excellent dsp filter will do the  
work most of the time anyway and the added filter will not do much 
unless the guy a few KHZ away is really strong.


On the other handin CW and digital using narow filters will 
have a much greater noticeable impact as the signals are much closer 
together.




 On 3/6/2013 07:08, Laurens Sierdsma wrote:

Hello all,

I want to order a SSB filter for my K3, i only have now the standard 2.7K.
Wich do i have to choose:

8-pol 5-pol? Whats the different?
2.1K 1.8K or 1,5K?
Inrad or Elecraft?


I only like contesting in SSB, and prefer 40meter band

I 'd like to see your recommandations





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Re: [Elecraft] TX5K

[W5RDW]

They were so strong last night, I tuned up my 80 meter inverted V with the
KAT500. I got tired of waiting for them to finish with EU. 

This morning, I am hearing them 599 on the 80 meter V, so gave them a call
and they came back first call!! KAT500 easily tuned the 80 meter inverted V!



-
Roger W5RDW
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Re: [Elecraft] K2 Low Power Out / Hi Current

[Don Wilhelm]

Jeremy,

A high SWR will cause that behavior.
Make certain the coax you are using is good.  Remove it from the K2 end 
and check with an antenna analyzer if possible.
If you cannot do that, look at the SWR registered on the wattmeter - if 
it is 1:1, remove the wattmeter and connect that coax to the dummy load 
(no wattmeter).


73,
Don W3FPR

On 3/5/2013 9:08 PM, JeremyJones wrote:

Hi Don,

The capacitors all look good, and I found one issue with a toroid and
corrected it, but the issue remains.  T4 is wound with proper number of
turns, but wires do overlap some instead of being stacked neatly.  Not sure
if this could cause an issue or not.  T4 is also standing off the board a
bit, rather than being snug to the screws underneath.

Jeremy
VA3ZTF



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Re: [Elecraft] K3 PSK no output

[Joe Subich, W4TV]

In fact, one can not transmit above 2800 Hz (with the 2.8 KHz filter)
as the filter roll off (and perhaps DSP limitations) result in little
or no output.

73,

   ... Joe, W4TV


On 3/5/2013 11:33 PM, Bill Frantz wrote:

It occurs to me that you might not be able to transmit on frequencies
much higher than 3KHz or so because of the limits in the transmit
bandwidth with the 2.7KHz filter.

Cheers - Bill, AE6JV

On 3/4/13 at 6:16 PM, fra...@pwpconsult.com (Bill Frantz) wrote:


My computer software has a choice of waterfall bandwidth, 2K (from
400Hz to 2400Hz) or 4K (400Hz to 4400Hz). In both Data A and SSB I can
adjust the DSP bandwidth up to 4200Hz on the high end which gives me
most of the bandwidth of the 4K setting. Note that you will need a
wider crystal filter than the 2.7KHz default to get the wider DSP
bandwidths.


---
Bill Frantz|Security, like correctness, is| Periwinkle
(408)356-8506  |not an add-on feature. - Attr-| 16345 Englewood Ave
www.pwpconsult.com |ibuted to Andrew Tanenbaum| Los Gatos, CA 95032

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Re: [Elecraft] K3 EZ

[hawley, charles j jr]

I use that a bit, it's not friendly with MS 8 or something. I have to use Task 
Mgr to exit...but it is promising for setting up the K3. I have to repeatedly 
load the EQ to get all the EQ bands set on the K3...stuff like that.

Chuck, KE9UW
AARL, CCA
Lionel Trains TCA, LCCA, LRRC
aka Jack, BMW Motorcycles BMWRA, BMWMOA #224

From: elecraft-boun...@mailman.qth.net [elecraft-boun...@mailman.qth.net] on 
behalf of Jay [pc...@verizon.net]
Sent: Tuesday, March 05, 2013 6:50 PM
To: Elecraft Reflector
Subject: [Elecraft] K3 EZ

I just loaded the K3 EZ program which appears to be a 2008 version, the last
version (?). I understand the author is an SK.

Anyone have any plans to bring this back or create something similar.?

This could really be a simple way to set up a K3 with radio buttons and
different fields to either fill in or with check-offs for fixed values

...just a thought from a newbie K3 user.

73
Jay
W2IJ

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[Elecraft] K3 EZ

[Harlan]

Thanks to all who sent me a copy Looks like an interesting project. But 
with the complete K-line control from one computer app.   Hmm.

Sent from my Verizon Wireless 4G LTE DROID
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Re: [Elecraft] K3 EZ

[NZ0T]

A request - I use a 10" netbook at my station and K3 EZ in it's current
form is too large for the small display so I can't use it.  The bottom of
the page is cut off.  I have tried re-sizing my display with no luck so if
you are going to produce an improved version IMHO it would be great if it
would be compatible with small displays.

73 Bill NZ0T

On Wed, Mar 6, 2013 at 8:44 AM, Harlan [via Elecraft] <
ml-node+s365791n7570878...@n2.nabble.com> wrote:

> Thanks to all who sent me a copy Looks like an interesting project.
> But with the complete K-line control from one computer app.   Hmm.
>
> Sent from my Verizon Wireless 4G LTE DROID
> __
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> .
> NAML
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Re: [Elecraft] K3 S-Meter

[drewko]

Don,

I always seem to have my RF gain adjusted by ear to below where the
s-meter will deflect on a particular signal. So I will most always
have to readjust the gain to see an s-meter reading. The RF gain can
be adjusted much lower than the signal's meter deflection point but
still have an audible signal. A moderate strength signal can still be
heard when the RF gain has been turned down to the point where the
s-meter incicates s9+40 db. 

The more I think about it the less useful it seems to have the meter
deflect upward with a lowered RF gain setting. Does anyone find this
action useful for tuning in a signal? 

I know that I would be fiddling around with the RF gain control a lot
less if the s-meter display was not affected by the gain control. Why
not make the s-meter "absolute mode", which is independent of the
attenuation setting, also independent of the RF gain control? That
seems more consistent and logical to me.

73,
Drew
AF2Z



On Mon, 04 Mar 2013 19:55:32 -0500, you wrote:

>On the contrary, one can give an honest report even with the RF gain 
>reduced (but only under certain circumstances).
>If one has reduced the RF gain to the point (just) where the S-meter 
>deflection is at the noise floor, then the S-meter readings should still 
>be valid - you are simply reducing the receiver gain to keep from 
>hearing the noise.
>
>For instance, if your local noise floor is S-3, then reducing the RF 
>gain so the S-meter reads a low of S-3, you will find an S-4 signal 
>still " moving the meter" at S-4 - he is 1 S-unit higher than your noise 
>level.  Would you want to report that signal strength at S-1 (if the RF 
>gain did not increase the S-meter reading) or report him to be a 
>realistic S-4.
>
>Each to his own, but that is the way I see the picture.
>
>Yes, reducing the RF gain to greater than the band noise level will skew 
>the S-meter readings, but I do not use the RF gain control for that, I 
>reduce the gain just to the point where the S-meter matches the band 
>noise.  Signals stronger than that band noise will still be indicating 
>at the level indicated on the S-meter.
>
>73,
>Don W3FPR
>

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Re: [Elecraft] KPA3 12V Sense Modification

[Robert Mccormack]

Hi All,

Two K3s in the ZM1A shack,  #320 and #321 - both have the Revision B March 15 
2009 modification.

Recently, #321 has refused to turn off - no problem with #320.

Checked the 1N4148 diode, tests OK but replaced it anyway.   #321 still refuses 
to turn off.
Has anyone else experienced this problem?

73, Ken ZL1AIH (at ZM1A in contests)
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[Elecraft] [K3] no split with CW to RTTY?

[Randy Moore]

I thought I'd give a quick try to RTTY QSO with TX5K without all the cable and 
software swapping (I hardly ever do RTTY), so I enabled the K3's CW-to-RTTY 
which seems to work great. But then I held SPLIT and got N/A. Is there some 
setting I missed or is this a  real limitation?  Sure would be nice for the 
quick DX QSO on RTTY. 

73,
Randy, KS4L
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Re: [Elecraft] K3 EZ

[hawley, charles j jr]

It's cut off some on my Win 8 pc too. It has a lot of issues.

Sent from my iPad
Chuck, KE9UW 
(Jack for BMW motorcycles)

On Mar 6, 2013, at 9:07 AM, "NZ0T"  wrote:

> A request - I use a 10" netbook at my station and K3 EZ in it's current
> form is too large for the small display so I can't use it.  The bottom of
> the page is cut off.  I have tried re-sizing my display with no luck so if
> you are going to produce an improved version IMHO it would be great if it
> would be compatible with small displays.
> 
> 73 Bill NZ0T
> 
> On Wed, Mar 6, 2013 at 8:44 AM, Harlan [via Elecraft] <
> ml-node+s365791n7570878...@n2.nabble.com> wrote:
> 
>> Thanks to all who sent me a copy Looks like an interesting project.
>> But with the complete K-line control from one computer app.   Hmm.
>> 
>> Sent from my Verizon Wireless 4G LTE DROID
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Re: [Elecraft] Filter

[Michael Adams]

I wondered the same thing this time last year when I was ordering my K3.

If I had to do it again, I would choose:

- the FM filter (in case you want to tx/rx AM or FM). I got the AM filter
(not planning on doing any FM), but now that the firmware supports AM thru
the FM filter...

- the 2.8 filter for SSB.  I also have the 1.8 filter, but I find I don't
use it much for phone, even during contests. I do use the filter when
tuning around for RTTY contacts, but I probably would be content with the
2.8 for this usage.

- the 400 filter for CW

- the 250 filter for RTTY & narrower modes in congested conditions.

I went with 8 pole filters mostly because I wasn't getting the second
receiver, but I didn't want to have to worry about crystal-matching if/when
I add it in the future.

Don't forget the BPF if you are in MARS or like listening around away from
the amateur bands.
-- 
Michael D. Adams (N1EN/4) | Atlanta, Georgia | m...@n1en.org

On Mar 6, 2013, at 7:08 AM, Laurens Sierdsma  wrote:

Hello all,

I want to order a SSB filter for my K3, i only have now the standard 2.7K.
Wich do i have to choose:

8-pol 5-pol? Whats the different?
2.1K 1.8K or 1,5K?
Inrad or Elecraft?


I only like contesting in SSB, and prefer 40meter band

I 'd like to see your recommandations



-- 
*73*
*
*
*Laurens Sierdsma PD9X*
*Langezwaag*
*www.pd9x.nl* 
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Re: [Elecraft] [K3] no split with CW to RTTY?

[Rick Bates]

Is VFO B on the same band?  Double press the a>b to sync them, then try split. 

73,
Rick wa6nhc

Tiny iPhone 5 keypad, typos are inevitable

On Mar 6, 2013, at 8:13 AM, Randy Moore  wrote:

> I thought I'd give a quick try to RTTY QSO with TX5K without all the cable 
> and software swapping (I hardly ever do RTTY), so I enabled the K3's 
> CW-to-RTTY which seems to work great. But then I held SPLIT and got N/A. Is 
> there some setting I missed or is this a  real limitation?  Sure would be 
> nice for the quick DX QSO on RTTY. 
> 
> 73,
> Randy, KS4L
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Re: [Elecraft] Newest P3 FW Upgrade (Workaround)

[Paul]

Bill,

That's a great suggestion.

73,

Paul

Paul Saffren - N6HZ
Project Manager
Elecraft Inc.
831-763-4211 x122
www.elecraft.com

On 3/5/2013 11:40 PM, Bill Frantz wrote:

I am currently back level on the utility.

Suggestion: When checking for new versions of the P3 files, notify the 
user if there is a newer version of the utility available.


Cheers - Bill, AE6JV

On 3/5/13 at 10:43 AM, pa...@elecraft.com (Paul Saffren N6HZ) wrote:


We released 1.13.1.23 (PC) and 1.13.2.3 (Mac/Linux) versions of the P3
Utility to fix many of the issues mentioned here.  Has anyone had 
problems

loading new firmware with the new Utility and if so what are they?


--- 


Bill Frantz| "I wish there was a knob on the TV to turn up the
408-356-8506   | intelligence.  There's a knob called 
"brightness", but

www.pwpconsult.com | it doesn't work. -- Gallagher


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Re: [Elecraft] [K3] no split with CW to RTTY?

[Randy Moore]

Yep!  That's it.  Don't know why I hadn't noticed this before!

Tnx es 73,
Randy, KS4L

On 3/6/2013 10:23 AM, Jay Kobelin wrote:

Tap A>B first to get the VFO A stuff first into VFO B, then go split

Jay

Sent from my iPad

On Mar 6, 2013, at 8:13 AM, Randy Moore  wrote:


I thought I'd give a quick try to RTTY QSO with TX5K without all the cable and 
software swapping (I hardly ever do RTTY), so I enabled the K3's CW-to-RTTY 
which seems to work great. But then I held SPLIT and got N/A. Is there some 
setting I missed or is this a  real limitation?  Sure would be nice for the 
quick DX QSO on RTTY.

73,
Randy, KS4L
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Re: [Elecraft] [K3] no split with CW to RTTY?

[wa5pok]

That is what I did to work the TX5K here on RTTY and it worked well ... 
seems the K3 can decode a bit better than the MMTTY program, I may need to 
play with the settings more.


73, Mike WA5POK


Yep!  That's it.  Don't know why I hadn't noticed this before!

Tnx es 73,
Randy, KS4L

On 3/6/2013 10:23 AM, Jay Kobelin wrote:

Tap A>B first to get the VFO A stuff first into VFO B, then go split

Jay

Sent from my iPad

On Mar 6, 2013, at 8:13 AM, Randy Moore  wrote:

I thought I'd give a quick try to RTTY QSO with TX5K without all the 
cable and software swapping (I hardly ever do RTTY), so I enabled the 
K3's CW-to-RTTY which seems to work great. But then I held SPLIT and got 
N/A. Is there some setting I missed or is this a  real limitation?  Sure 
would be nice for the quick DX QSO on RTTY.


73,
Randy, KS4L
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Re: [Elecraft] [K3] no split with CW to RTTY?

[Bob]

I just verified that both my VFO A and B are on the same
frequency/band.  I still can't select DATA as the mode.  It says "SPL
N/A" on the screen.  So XIT seems to be the only way for me.  This
must be a restriction placed on the DATA mode.

73, Bob, WB4SON
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Re: [Elecraft] [K3] no split with CW to RTTY?

[Joe Subich, W4TV]

> This must be a restriction placed on the DATA mode.

No. Make sure both VFOs are set to DATA (FSK D).

73,

   ... Joe, W4TV


On 3/6/2013 12:04 PM, Bob wrote:

I just verified that both my VFO A and B are on the same
frequency/band.  I still can't select DATA as the mode.  It says "SPL
N/A" on the screen.  So XIT seems to be the only way for me.  This
must be a restriction placed on the DATA mode.

73, Bob, WB4SON
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Re: [Elecraft] Filter

[Fred Smith]

If you're only going to use SSB the 2.8 8 pole filter will serve you well
nice skirts and maybe the 1.0 8 pole for the narrow would be all you need.
The suggestion for the GBP filter is a good thought then the FM filter also.

Fred/N0AZZ

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Michael Adams
Sent: Wednesday, March 06, 2013 10:26 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Filter

I wondered the same thing this time last year when I was ordering my K3.

If I had to do it again, I would choose:

- the FM filter (in case you want to tx/rx AM or FM). I got the AM filter
(not planning on doing any FM), but now that the firmware supports AM thru
the FM filter...

- the 2.8 filter for SSB.  I also have the 1.8 filter, but I find I don't
use it much for phone, even during contests. I do use the filter when tuning
around for RTTY contacts, but I probably would be content with the
2.8 for this usage.

- the 400 filter for CW

- the 250 filter for RTTY & narrower modes in congested conditions.

I went with 8 pole filters mostly because I wasn't getting the second
receiver, but I didn't want to have to worry about crystal-matching if/when
I add it in the future.

Don't forget the BPF if you are in MARS or like listening around away from
the amateur bands.
--
Michael D. Adams (N1EN/4) | Atlanta, Georgia | m...@n1en.org

On Mar 6, 2013, at 7:08 AM, Laurens Sierdsma  wrote:

Hello all,

I want to order a SSB filter for my K3, i only have now the standard 2.7K.
Wich do i have to choose:

8-pol 5-pol? Whats the different?
2.1K 1.8K or 1,5K?
Inrad or Elecraft?


I only like contesting in SSB, and prefer 40meter band

I 'd like to see your recommandations



--
*73*
*
*
*Laurens Sierdsma PD9X*
*Langezwaag*
*www.pd9x.nl* 
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-
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2240 / Virus Database: 2641/5652 - Release Date: 03/06/13

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Re: [Elecraft] TX5K

[Bob K6UJ]

Roger,
Same thing happened here.   I also have an 80 meter inverted V and sat there
it seemed like eternity last nite waiting while he was working europe.  Gave up 
and went to bed
and got up this morning at 5:30 PST and worked him first call  He was so strong 
that I turned the 
RF gain way down on my K3 and it was sweet arm chair copy.  Banging in over 9 
here.
Didnt need the amp, just 100 watts with the K3.   My noise level has been 
pretty high 
on 80 meters lately from our power lines but the superb NB NR on the K3 knocks 
it down to
below the band noise level,  Love my K3 !!

73
Bob
K6UJ



On Mar 6, 2013, at 4:52 AM, W5RDW wrote:

> They were so strong last night, I tuned up my 80 meter inverted V with the
> KAT500. I got tired of waiting for them to finish with EU. 
> 
> This morning, I am hearing them 599 on the 80 meter V, so gave them a call
> and they came back first call!! KAT500 easily tuned the 80 meter inverted V!
> 
> 
> 
> -
> Roger W5RDW
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/TX5K-tp7570786p7570874.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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[Elecraft] for sale: K3/0 setup

[Dick Hanson]

Hello.

 

I have the above complete package, purchased last May.

Person who was to receive it passed away so I no longer need it.

 

Paid $1370.

For sale at $700, plus UPS CONUS.

 

Thanks for reading, & please reply off list.

 

Dick, K5AND

Austin, TX

512-263-4121

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Re: [Elecraft] [K3] no split with CW to RTTY?

[Don Wilhelm]

Bob,

Tap A>B twice in succession.  One tap copies the frequency, the second 
tap copies the mode, filters, etc.


73,
Don W3FPR

On 3/6/2013 12:04 PM, Bob wrote:

I just verified that both my VFO A and B are on the same
frequency/band.  I still can't select DATA as the mode.  It says "SPL
N/A" on the screen.  So XIT seems to be the only way for me.  This
must be a restriction placed on the DATA mode.




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[Elecraft] for sale: K3/0 setup

[Dick Hanson]

The following list is what came with the package:

K3/0, RRIG set, RRK0cbl, RRK3cbl and RRMTcbl.

The package has been sold.

Thank you for the interest.

73
Dick, K5AND


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[Elecraft] KE7X book discount at lulu

[Cady, Fred]

Discount code is SPARK for the K3 book at Lulu.
http://www.lulu.com/shop/search.ep?type=&keyWords=elecraft+k3&x=6&y=6&si
tesearch=lulu.com&q=

Good until midnight March 8.
73 all,
Fred



Fred Cady
"The Elecraft K3: Design, Configuration and Operation Second Edition"
"The Elecraft KX3" - coming soon
www.ke7x.com


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[Elecraft] KAT500 and K3 Powering sequence

[mark roz]

On Monday I have contacted support at Elecraft but no answer.
So, does anybody know if KAT500 MUST be turned ON FIRST and than K3 - otherwise 
K3 will not initialize correctly
(with DB15 cable connected as it should). Is this still the case? I don’t like 
it as I have other antennas that will not be
connected to KTA500. I will not always need KTA500 to be on line. This just 
doesn’t make sense.
KAT500 will be connected to pos. 1 of the antenna switch.
Could  firmware be changed in order to correct that?
Thanks, Mark
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[Elecraft] KX3 schematic package update (was missing KXBC3)

[Wayne Burdick]

The new schematic package uploaded today includes the KXBC3.

73,
Wayne
N6KR

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Re: [Elecraft] KAT500 and K3 Powering sequence

[Harlan]

The manual for the KAT500 says it must be powered up before the K3

Sent from my Verizon Wireless 4G LTE DROID

mark roz  wrote:

>On Monday I have contacted support at Elecraft but no answer.
>So, does anybody know if KAT500 MUST be turned ON FIRST and than K3 - 
>otherwise K3 will not initialize correctly
>(with DB15 cable connected as it should). Is this still the case? I don’t like 
>it as I have other antennas that will not be
>connected to KTA500. I will not always need KTA500 to be on line. This just 
>doesn’t make sense.
>KAT500 will be connected to pos. 1 of the antenna switch.
>Could  firmware be changed in order to correct that?
>Thanks, Mark
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Re: [Elecraft] KAT500 and K3 Powering sequence

[Rick Johnson]

If you utilize the utility program you can make it do aboutanything you want it 
to do.
73,Rick W3BI

> Date: Wed, 6 Mar 2013 11:20:22 -0800
> From: anegadas...@yahoo.com
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] KAT500 and K3 Powering sequence
> 
> On Monday I have contacted support at Elecraft but no answer.
> So, does anybody know if KAT500 MUST be turned ON FIRST and than K3 - 
> otherwise K3 will not initialize correctly
> (with DB15 cable connected as it should). Is this still the case? I don’t 
> like it as I have other antennas that will not be
> connected to KTA500. I will not always need KTA500 to be on line. This just 
> doesn’t make sense.
> KAT500 will be connected to pos. 1 of the antenna switch.
> Could  firmware be changed in order to correct that?
> Thanks, Mark
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Re: [Elecraft] KAT500 and K3 Powering sequence

[GDanner]

Mark,
My understanding from the manual is that the KAT500 must be on when the K3 
is turned on for the Aux connection to work properly.
In my shack this is accomplished by connecting the KAT500 directly to the 12 
volt buss; that way it is already on when I turn the K3 on. This works well 
for me.
Probable doesn't matters if you elect to not use the Aux cable connection.
George
AI4VZ
--
From: Harlan

The manual for the KAT500 says it must be powered up before the K3
--
>So, does anybody know if KAT500 MUST be turned ON FIRST and than K3 - 
>otherwise K3 will not initialize correctly
>(with DB15 cable connected as it should). Is this still the case? I don’t 
>like it as I have other antennas that will not be
>connected to KTA500. I will not always need KTA500 to be on line. This just 
>doesn’t make sense.
>KAT500 will be connected to pos. 1 of the antenna switch.
>Could  firmware be changed in order to correct that?
>Thanks, Mark

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[Elecraft] KX3 schematics

[Giancarlo Moda]

Dear Wayne,

thank you for posting the note about the availability of KX3 schematic 
diagrams. I was waiting for these since a long time, I was very courious to see 
the mixers selected, there is always something to learn.


I would like to compliment the design team for the KX3 RX mixer. I thought they 
were going to use a "classic" QSD using the FST3253, like in the Flex-1500 or 
the Softrock, or similar to the one used in the TX mixer. 

I like the RX mixer using the FST3257/74CBT3257, this one should have a lower 
noise, going up in frequency, than a similar one using the FST3253.  This 
latter device has an internal clock decoding and the balanced LO waveform 
cannot directly control the switches gates, i.e. a 50-50 clock may result in a 
49-51 signal switching, or vice a versa, while with the FST3257 the gates are 
directly controlled by the clock waveform.

I garantee you I will not try to modify this mixer .. although I could have a 
different solution ... hi


Congratulations again for a nice product

Best 73

Gian
I7SWX

Message: 38
Date: Tue, 5 Mar 2013 17:16:01 -0800
From: Wayne Burdick 
To: k...@yahoogroups.com
Cc: Elecraft Reflector 
Subject: [Elecraft] KX3 schematics
Message-ID: 
Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes

The full KX3 schematic package is now available on our Manual Download  
page.

73,
Wayne
N6KR
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Re: [Elecraft] KAT500 and K3 Powering sequence

[mark roz]

George, 
Thanks for your suggestion. That will work. For some reason I was under 
impression
that I would have to TURN ON the KAT500 first. My KAT500 will be also connected 
to 12V buss.
My interpretation of "applying power" was wrong. I  just received  my KAT500 
KIT.
Thanks again :)
Mark WQ7X
 
"Mark,
My understanding from the manual is that the KAT500 must be on when the K3 
is turned on for the Aux connection to work properly.
In my shack this is accomplished by connecting the KAT500 directly to the 12 
volt buss; that way it is already on when I turn the K3 on. This works well 
for me.
Probable doesn't matters if you elect to not use the Aux cable connection.
George
AI4VZ"




From: mark roz 
To: Elecraft  
Sent: Wednesday, March 6, 2013 2:20 PM
Subject: KAT500 and K3 Powering sequence


On Monday I have contacted support at Elecraft but no answer.
So, does anybody know if KAT500 MUST be turned ON FIRST and than K3 - otherwise 
K3 will not initialize correctly
(with DB15 cable connected as it should). Is this still the case? I don’t like 
it as I have other antennas that will not be
connected to KTA500. I will not always need KTA500 to be on line. This just 
doesn’t make sense.
KAT500 will be connected to pos. 1 of the antenna switch.
Could  firmware be changed in order to correct that?
Thanks, Mark
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Re: [Elecraft] K2 Low Power Out / Hi Current

[JeremyJones]

Looks like a bad coax was indeed causing the high current issue.  I've
resolved that, but I'm still show no power out on the external watt meter,
while the internal is reading 2.4.

Jeremy
VA3ZTF



--
View this message in context: 
http://elecraft.365791.n2.nabble.com/K2-Low-Power-Out-Hi-Current-tp7570850p7570905.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K2 Low Power Out / Hi Current

[Don Wilhelm]

Jeremy,

What range is your external wattmeter set for?  If it is 100 watts or 
200 watts, you will probably not get any deflection at 2.4 watts.


When the load is 50+j0 ohms, you can rely on the K2 display.
I suggest removing the external wattmeter and using the display.

73,
Don W3FPR

On 3/6/2013 3:55 PM, JeremyJones wrote:

Looks like a bad coax was indeed causing the high current issue.  I've
resolved that, but I'm still show no power out on the external watt meter,
while the internal is reading 2.4.

Jeremy
VA3ZTF



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Re: [Elecraft] K2 Low Power Out / Hi Current

[JeremyJones]

The watt meter has a 5, 15, 50, 100W ranges, and I was using the 15 and 5 to
try and get measurements.  Carrying on with calibration using the internal
meter yielded the expected results.  I may actually be able get this on the
air tonight!

Thanks for the help,
Jeremy
VA3ZTF



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[Elecraft] More K3 functionality added to MacLogger DX

[Lewis Phelps]

K3 and KX3 owners who use Macs might be interested to know that the latest 
update for Don Agro's Mac-platform logging software, MacLoggerDX, has added 
Elecraft-specific functionality in his latest update, V5.46.  Specifically, the 
application now supports splits on the K3 and KX3.

He's also added support for a few additional rotators, the DZKit Siena and the 
Yaesu FTdx3000, among other things.

73

Lew N6LEW
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[Elecraft] K-3 S-Meter

[Toby Pennington]

 
The  

Re: [Elecraft] K3 S-Meter 
drewko Wed, 06 Mar 2013 07:31:07 -0800 

Don,

I always seem to have my RF gain adjusted by ear to below where the
s-meter will deflect on a particular signal. So I will most always
have to readjust the gain to see an s-meter reading. The RF gain can
be adjusted much lower than the signal's meter deflection point but
still have an audible signal. A moderate strength signal can still be
heard when the RF gain has been turned down to the point where the
s-meter incicates s9+40 db. The more I think about it the less useful it seems 
to have the meter
deflect upward with a lowered RF gain setting. Does anyone find this
action useful for tuning in a signal? 

I know that I would be fiddling around with the RF gain control a lot
less if the s-meter display was not affected by the gain control. Why
not make the s-meter "absolute mode", which is independent of the
attenuation setting, also independent of the RF gain control? That
seems more consistent and logical to memore I think about it the less useful it 
seems to have the meterdeflect upward with a lowered RF gain setting. Does 
anyone find thisaction useful for tuning in a signal? I know that I would be 
fiddling around with the RF gain control a lotless if the s-meter display was 
not affected by the gain control. Whynot make the s-meter "absolute mode", 
which is independent of theattenuation setting, also independent of the RF gain 
control? Thatseems more consistent and logical to me 
 
 The more I think about it the less useful it seems to have the meter
deflect upward with a lowered RF gain setting. Does anyone find this
action useful for tuning in a signal? 

I know that I would be fiddling around with the RF gain control a lot
less if the s-meter display was not affected by the gain control. Why
not make the s-meter "absolute mode", which is independent of the
attenuation setting, also independent of the RF gain control? That
seems more consistent and logical to me
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[Elecraft] Fw: K-3 S-Meter

[Toby Pennington]

Sorry about That!Toby  W4CAK


- Original Message - 
From: Toby Pennington 
To: Elecraft@mailman.qth.net 
Sent: Wednesday, March 06, 2013 2:53 PM
Subject: K-3 S-Meter


  
The  

Re: [Elecraft] K3 S-Meter 
drewko Wed, 06 Mar 2013 07:31:07 -0800 

Don,

I always seem to have my RF gain adjusted by ear to below where the
s-meter will deflect on a particular signal. So I will most always
have to readjust the gain to see an s-meter reading. The RF gain can
be adjusted much lower than the signal's meter deflection point but
still have an audible signal. A moderate strength signal can still be
heard when the RF gain has been turned down to the point where the
s-meter incicates s9+40 db. The more I think about it the less useful it seems 
to have the meter
deflect upward with a lowered RF gain setting. Does anyone find this
action useful for tuning in a signal? 

I know that I would be fiddling around with the RF gain control a lot
less if the s-meter display was not affected by the gain control. Why
not make the s-meter "absolute mode", which is independent of the
attenuation setting, also independent of the RF gain control? That
seems more consistent and logical to memore I think about it the less useful it 
seems to have the meterdeflect upward with a lowered RF gain setting. Does 
anyone find thisaction useful for tuning in a signal? I know that I would be 
fiddling around with the RF gain control a lotless if the s-meter display was 
not affected by the gain control. Whynot make the s-meter "absolute mode", 
which is independent of theattenuation setting, also independent of the RF gain 
control? Thatseems more consistent and logical to me  

 The more I think about it the less useful it seems to have the meter
deflect upward with a lowered RF gain setting. Does anyone find this
action useful for tuning in a signal? 

I know that I would be fiddling around with the RF gain control a lot
less if the s-meter display was not affected by the gain control. Why
not make the s-meter "absolute mode", which is independent of the
attenuation setting, also independent of the RF gain control? That
seems more consistent and logical to me
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[Elecraft] Apology

[Toby Pennington]

I am sorry about the repeated posting  of
Drew's post.  

I just got this computer back from the repair shop and some things are changed. 
 

However,   what I was trying to do is say
"AMEN" to drew's post. 

Toby  W4CAK
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Re: [Elecraft] K3 S-Meter

[Don Wilhelm]

Drew,

The S-meter operates off the AGC voltage and cannot be controlled in the 
firmware.  The result is that you will "have to put up with it" Most all 
receivers have done the same thing in my 50+ years of hamming.


What I can say is is that if you reduce the RF Gain to eliminate the 
band noise level, and the S-meter now reads (for example) S-3, a signal 
that is now indicating S-9 should receive a proper report of S-6.


Actually, the S in he RST report is better given with respect to other 
signals on the band rather than as an absolute number.  Report the "S" 
in the RST report with your ears rather than what the S-meter is 
indicating.  For those who have operated older receivers, that is the 
way it is done.  If you look at the "S" report in the ARRL handbook, it 
will indicate that is a strength relative to other stations on the band 
rather than relying on a meter reading. DXpedition and contest contacts 
are always "599" just for expediency.


73,
Don W3FPR

On 3/6/2013 10:30 AM, drewko wrote:

Don,

I always seem to have my RF gain adjusted by ear to below where the
s-meter will deflect on a particular signal. So I will most always
have to readjust the gain to see an s-meter reading. The RF gain can
be adjusted much lower than the signal's meter deflection point but
still have an audible signal. A moderate strength signal can still be
heard when the RF gain has been turned down to the point where the
s-meter incicates s9+40 db.

The more I think about it the less useful it seems to have the meter
deflect upward with a lowered RF gain setting. Does anyone find this
action useful for tuning in a signal?

I know that I would be fiddling around with the RF gain control a lot
less if the s-meter display was not affected by the gain control. Why
not make the s-meter "absolute mode", which is independent of the
attenuation setting, also independent of the RF gain control? That
seems more consistent and logical to me.




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Re: [Elecraft] KAT500 and K3 Powering sequence

[Cady, Fred]

Turning the KAT and the K3 simultaneously seems to work too. I have one of 
those rig runners that power up when you turn a rig on. I have it so it powers 
up when I turn the K3 on and it powers up the Kat at the same time. Seems to be 
OK but it probably depends on how fast the K3 is booting up.
Cheers and 73,
Fred EX.
 

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of mark roz
Sent: Wednesday, March 06, 2013 1:37 PM
To: Elecraft
Subject: Re: [Elecraft] KAT500 and K3 Powering sequence

George,
Thanks for your suggestion. That will work. For some reason I was under 
impression that I would have to TURN ON the KAT500 first. My KAT500 will be 
also connected to 12V buss.
My interpretation of "applying power" was wrong. I  just received  my KAT500 
KIT.
Thanks again :)
Mark WQ7X
 
"Mark,
My understanding from the manual is that the KAT500 must be on when the K3 is 
turned on for the Aux connection to work properly.
In my shack this is accomplished by connecting the KAT500 directly to the 12 
volt buss; that way it is already on when I turn the K3 on. This works well for 
me.
Probable doesn't matters if you elect to not use the Aux cable connection.
George
AI4VZ"




From: mark roz 
To: Elecraft 
Sent: Wednesday, March 6, 2013 2:20 PM
Subject: KAT500 and K3 Powering sequence


On Monday I have contacted support at Elecraft but no answer.
So, does anybody know if KAT500 MUST be turned ON FIRST and than K3 - otherwise 
K3 will not initialize correctly
(with DB15 cable connected as it should). Is this still the case? I don't like 
it as I have other antennas that will not be
connected to KTA500. I will not always need KTA500 to be on line. This just 
doesn't make sense.
KAT500 will be connected to pos. 1 of the antenna switch.
Could  firmware be changed in order to correct that?
Thanks, Mark
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Re: [Elecraft] K2 Low Power Out / Hi Current

[Don Wilhelm]

Jeremy and all,  the external wattmeter reading has to overcome the 
diode drop in the wattmeter before it will provide deflection.  At low 
power levels it may show no response until the power is great enough for 
the diodes to conduct.
The full scale reading of the wattmeter may be correct, but at low power 
levels there is a certain 'threshold' below which some meters will show 
no power output (regardless of the range).


I am glad to hear that you now have the bandpass filters peaked.

73,
Don W3FPR

On 3/6/2013 5:17 PM, JeremyJones wrote:

The watt meter has a 5, 15, 50, 100W ranges, and I was using the 15 and 5 to
try and get measurements.  Carrying on with calibration using the internal
meter yielded the expected results.  I may actually be able get this on the
air tonight!

Thanks for the help,
Jeremy
VA3ZTF



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View this message in context: 
http://elecraft.365791.n2.nabble.com/K2-Low-Power-Out-Hi-Current-tp7570850p7570907.html
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[Elecraft] Elecraft W2 Watt Meter Build

[Nick Palomba]

Elecraft W2 Watt Meter Build ­ (Elecraft K3 Build) Page 3

So a package arrived from Elecraft and I was excited but it wasn¹t that big
and not knowing exactly now big the radios (Elecraft K3) is I was wondering
if it came in separate packages or something.



Here is the story and pictures:

http://nicktoday.com/elecraft-w2-watt-meter-wbuild-elecraft-k3-build-page-3/




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Re: [Elecraft] [K3] no split with CW to RTTY?

[Bayard Coolidge]

Rick -

I'm a relatively new K3 owner, and this was the first time I'd tried to work a 
DXpedition on RTTY
with it. Your tip definitely did the trick and helped me get in the TX5K log on 
18m RTTY just now.

Considering I'm running the K3-100 barefoot into an inverted-L, I thought it 
was pretty awesome.
I'm thanking you in public on the list because that's one of the most useful 
tips I've seen yet !

I've also snagged them on 12m CW and SSB, 15 SSB, and 17 CW and will try for 
more, but
getting them on RTTY was the most challenging and definitely exhilarating.

73,

Bayard R. "Brandy" Coolidge, N1HO (Number One HAPPY Operator !)



 From: Rick Bates 
Subject: Re: [Elecraft] [K3] no split with CW to RTTY?

Is VFO B on the same band?  Double press the a>b to sync them, then try split. 

73,
Rick wa6nhc
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[Elecraft] K3-S Meter

[Toby Pennington]

Don,  while that may be true,   I wonder how Ten Tec was able to reverse the 
way the Orion 2's  S-Meter works  going from a deflected  Rf gain to one that 
works independent of RF gain? 

Toby  W4CAk

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Re: [Elecraft] [K3] no split with CW to RTTY?

[Rick Bates]

Hi Brandy,

I'm happy to have been some help as I've learned a lot from this list. 

My TX5K score so far is 12 contacts, 7 bands and 3 modes, including RTTY this 
morning, at last!  I'm a casual DXer but I'm pretty happy about these, but wish 
the Africans were as easy for a simple dipole antenna. 

Rick wa6nhc

Tiny iPhone 5 keypad, typos are inevitable

On Mar 6, 2013, at 4:57 PM, Bayard Coolidge  wrote:

> Rick -
> 
> I'm a relatively new K3 owner, and this was the first time I'd tried to work 
> a DXpedition on RTTY
> with it. Your tip definitely did the trick and helped me get in the TX5K log 
> on 18m RTTY just now.
> 
> Considering I'm running the K3-100 barefoot into an inverted-L, I thought it 
> was pretty awesome.
> I'm thanking you in public on the list because that's one of the most useful 
> tips I've seen yet !
> 
> I've also snagged them on 12m CW and SSB, 15 SSB, and 17 CW and will try for 
> more, but
> getting them on RTTY was the most challenging and definitely exhilarating.
> 
> 73,
> 
> Bayard R. "Brandy" Coolidge, N1HO (Number One HAPPY Operator !)
> 
> From: Rick Bates 
> Subject: Re: [Elecraft] [K3] no split with CW to RTTY?
> 
> Is VFO B on the same band?  Double press the a>b to sync them, then try 
> split. 
> 
> 73,
> Rick wa6nhc
> 
> 
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Re: [Elecraft] K3-S Meter

[Don Wilhelm]

Toby,

Different hardware, not dependent on the AGC for S-meter indications.

73,
Don W3FPR

On 3/6/2013 7:57 PM, Toby Pennington wrote:

Don,  while that may be true,   I wonder how Ten Tec was able to reverse the 
way the Orion 2's  S-Meter works  going from a deflected  Rf gain to one that 
works independent of RF gain?

Toby  W4CAk




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Re: [Elecraft] Elecraft W2 Watt Meter Build

[Bill Hammond]

Hi Nick, From memory it is a 18" cube or 24" X 18", it is much larger than the 
W2...did they provide shipping details?
73,
Bill


On Mar 6, 2013, at 6:50 PM, Nick Palomba wrote:

> Elecraft W2 Watt Meter Build ­ (Elecraft K3 Build) Page 3
> 
> So a package arrived from Elecraft and I was excited but it wasn¹t that big
> and not knowing exactly now big the radios (Elecraft K3) is I was wondering
> if it came in separate packages or something.
> 
> 
> 
> Here is the story and pictures:
> 
> http://nicktoday.com/elecraft-w2-watt-meter-wbuild-elecraft-k3-build-page-3/
> 
> 
> 
> 
> __
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Re: [Elecraft] KAT500 and K3 Powering sequence

[hawley, charles j jr]

I connected my KAT to the 13vdc supply so when it goes on, the KAT goes 
on...then when I power up the strip by turning on the K3, it's ready.

Chuck, KE9UW
AARL, CCA
Lionel Trains TCA, LCCA, LRRC
aka Jack, BMW Motorcycles BMWRA, BMWMOA #224

From: elecraft-boun...@mailman.qth.net [elecraft-boun...@mailman.qth.net] on 
behalf of Cady, Fred [fc...@ece.montana.edu]
Sent: Wednesday, March 06, 2013 6:41 PM
To: mark roz; Elecraft
Subject: Re: [Elecraft] KAT500 and K3 Powering sequence

Turning the KAT and the K3 simultaneously seems to work too. I have one of 
those rig runners that power up when you turn a rig on. I have it so it powers 
up when I turn the K3 on and it powers up the Kat at the same time. Seems to be 
OK but it probably depends on how fast the K3 is booting up.
Cheers and 73,
Fred EX.


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of mark roz
Sent: Wednesday, March 06, 2013 1:37 PM
To: Elecraft
Subject: Re: [Elecraft] KAT500 and K3 Powering sequence

George,
Thanks for your suggestion. That will work. For some reason I was under 
impression that I would have to TURN ON the KAT500 first. My KAT500 will be 
also connected to 12V buss.
My interpretation of "applying power" was wrong. I  just received  my KAT500 
KIT.
Thanks again :)
Mark WQ7X

"Mark,
My understanding from the manual is that the KAT500 must be on when the K3 is 
turned on for the Aux connection to work properly.
In my shack this is accomplished by connecting the KAT500 directly to the 12 
volt buss; that way it is already on when I turn the K3 on. This works well for 
me.
Probable doesn't matters if you elect to not use the Aux cable connection.
George
AI4VZ"




From: mark roz 
To: Elecraft 
Sent: Wednesday, March 6, 2013 2:20 PM
Subject: KAT500 and K3 Powering sequence


On Monday I have contacted support at Elecraft but no answer.
So, does anybody know if KAT500 MUST be turned ON FIRST and than K3 - otherwise 
K3 will not initialize correctly
(with DB15 cable connected as it should). Is this still the case? I don't like 
it as I have other antennas that will not be
connected to KTA500. I will not always need KTA500 to be on line. This just 
doesn't make sense.
KAT500 will be connected to pos. 1 of the antenna switch.
Could  firmware be changed in order to correct that?
Thanks, Mark
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Re: [Elecraft] Remote Control of K3 With KX3

[K7JLTextra]

I have had several enquiries to be included in the responses but did not get 
any responses from any one that has set up the complete package. Looks like an 
Elecraft response will be required. 

John Hendricks K7JLT

On Mar 5, 2013, at 20:34, K7JLTextra  wrote:

> Has anyone used a RRC-1256 Mk3 setup to control a K3 with a KX3?  I am 
> interested in the experience others have had with this set-up.  Please reply 
> direct. 
> 
> John Hendricks K7JLT
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Re: [Elecraft] Elecraft W2 Watt Meter Build

[Nick Palomba]

Just say's 14lbs on the shipping but it was the W2 watt meter that came. I
suspect the K3 will be here tomorrow or Friday.

On 3/6/13 8:51 PM, "Bill Hammond"  wrote:

>Hi Nick, From memory it is a 18" cube or 24" X 18", it is much larger
>than the W2...did they provide shipping details?
>73,
>Bill
>
>
>On Mar 6, 2013, at 6:50 PM, Nick Palomba wrote:
>
>> Elecraft W2 Watt Meter Build ­ (Elecraft K3 Build) Page 3
>> 
>> So a package arrived from Elecraft and I was excited but it wasn¹t that
>>big
>> and not knowing exactly now big the radios (Elecraft K3) is I was
>>wondering
>> if it came in separate packages or something.
>> 
>> 
>> 
>> Here is the story and pictures:
>> 
>> 
>>http://nicktoday.com/elecraft-w2-watt-meter-wbuild-elecraft-k3-build-page
>>-3/
>> 
>> 
>> 
>> 
>> __
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>


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Re: [Elecraft] K1 transceiver kit won't transmit

[Jim Wiley]

Don -

I am Jim, KL7CC, helping Micah with his K1.


Further testing indicates the following:  With PO set for 3.0 watts 
(requested) we get approx 18V PP RF at the collector of Q6, and6V PP at 
the base of Q7.  NO volts RF at the collector of Q7, but the DC voltage 
reads about 12.8 DC.  Have not tried to peak all stages, but seems to me 
that the problem is likely a toasted Q7.  Watcha think?


- Jim, KL7CC


On 3/4/2013 4:47 AM, Don Wilhelm wrote:

Martin and Micah,

The information Gary gave you is exactly correct.
I would add three additional comments:
1) The oscilloscope should have a 10X probe for reliable readings 
(otherwise use an RF Probe)
2) If you have a 4 band board, start with the trimmer slots parallel 
with the long edge of the board - the final settings will not be more 
than 20 degrees from that position.  You must align 15 meters (or 17 
meters) before 20 meters, and 30 meters before 40 meters (the band 
order is not important for the 2 band board)
3) After peaking the Pre-Mixer bandpass at P1 pin 6, go on to peak the 
TX Buffer output, and then with the probe still on the TX Buffer 
output, go back and touch up the Pre-Mix again - the 'scope probe may 
load the premix filter output a bit and must be tweaked again without 
the probe on P1 pin 6.


Observe the sequence of alignment, it must be done in order.  Let us 
know where the expected RF voltages cannot be reached.


73,
Don W3FPR

On 3/4/2013 1:49 AM, Foreman wrote:
My son and I have been building a 20m & 15m K1 over the past year. 
Great kit! It is assembled and we are trying to finish aligning the 
radio. however, it will not transmit. We have tried signal tracing it 
and cannot get a reading on any of the test points. Receiver works 
fine. We did extensive multimeter testing and found that IC U8, 
SA602AN, was out of tolerance. We replaced it but the transmitter is 
still inop. A very kind Elmer will assist us with test equipment but 
wanted to gather opinions from the reflector participants on how to 
proceed. Just to bring all the information together here in one 
place, the great folks at Elecraft shared the following recommendations:


Filter Board RF voltages using a scope at these filter board 
connector pins:


P1-4 Premix oscillator signal 200-500mVpp
P1-6 Premix signal output signal 200-500mVpp (must be peaked with the 
bandpass trimmers)

P2-1 TX Buffer output 1-3Vpp
P2-8 Filter board TX output to Driver 1-3Vpp
P3-1 PA output up to 40-55Vpp
P3-8 Output from lowpass filter 40-55Vpp

Vpp = RF volts peak to peak.
mVpp = RF millivolts peak to peak.

An RF probe will show the rms RF voltage levels, or about 35% of 
these pk-pk values. Appendix E, or any ARRL Handbook shows how to 
build an RF probe. We also sell an RF probe kit for $10. Use an 
oscilloscope if you can get access to one.


Test the rig on all bands too. The filter board is difficult to align 
the first time, so be patient when aligning it, and try to peak it on 
signals in receive, or in transmit with an RF probe or scope at the 
indicated places shown above.


Thanks.

Martin, KL3ID
Micah, KL3IE
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[Elecraft] P3

[Howard Hoyt]

My P3 works well, however sometimes (like right now) it will make little 
clicking noises as if a relay is turning on and off, and concurrently 
the display will jump up and down.


Is it perhaps gain reduction caused by extremely strong signals in the 
IF passband?  The scale does not change.  Is this normal operation?


Howie - WA4PSC
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