date:20140221

Re: [Elecraft] KPA100 recommended max power for digital modes?

2014-02-21 Thread Jim Brown


On 2/21/2014 7:43 PM, WA7SPY wrote:

I was looking at the operating manual online and did not see any recommended 
power setting for operating the amp with digital modes.


Elecraft output stages are very well protected. In general, I feel 
comfortable running them "balls to the wall" with keydown modes, with 
all the lights lit. With well matched antennas, I run keydown modes at 
full power. If the output stage gets warm, the fan will run faster, and 
if that isn't enough, the rig will back off the drive.


Remember that the WSJT modes are "weak signal" modes, NOT low power 
modes. There is a big difference. We may get lots of distance per watt 
and be happy with QRP for easy paths, but for the most difficult paths 
(EME, transcontinental 160M), great digital ops pile on the watts and 
use their best antennas. I do a lot of QRP, but I also know when to turn 
on the big amp. :)


73, Jim K9YC
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Re: [Elecraft] KPA100 recommended max power for digital modes?

2014-02-21 Thread Matt Zilmer

In Navy-Marine Corps MARS, we use a *lot* of digital modes, including
PSK31 and a double handful of others.  On this KX3/KXPA100, I normally
use no more than 25W for PSK and a little more for some of the others.
On MT63, I use 30W.  Most data modes don't need a lot of SNR to
decode.  It also depends on transmission length.  If I'm going to
transmit MT63 for five minutes straight, I run the power down to 20W.

I'm not sure there is a recommended output power setting for data
modes using the KX3/KXPA100, but you can find out yourself by
monitoring the PA.X temp on the VFO B display (your room temperature
is different from others').  If you see the temp rise to more than
you're comfortable with, back down on the power.  Using the settings
stated above keeps the KXPA temp at comfortable levels at this
station, usually < 50C, but sometimes a bit over.  The amp will
protect itself by lowering output power if the temp runs too hot. Like
everything Elecraft makes, the hardware and software are very robust.

73,
matt W6NIA

On Fri, 21 Feb 2014 19:43:42 -0800, you wrote:

>I just ordered a KPA100 with the auto tuner for my KX3. In anticipation of the 
>arrival of the amp  I was looking at the operating manual online and did not 
>see any recommended power setting for operating the amp with digital modes. I 
>plan to use the amp for PSK31. What is the recommended max power setting for 
>the amp using PSK31 with a KX3?
>
>Thanks,
>Glenn Maclean WA7SPY
Matt Zilmer, W6NIA
--
"Give me six hours to chop down a tree and I will
spend the first four sharpening the axe." -A. Lincoln
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[Elecraft] FS HP 8657A Digital signal generator

2014-02-21 Thread WA7SPY

I am cleaning up my shack and in excessive to my needs I have for sale a HP 
8657A digital signal generator 0.1-1040 MHZ. There is a minor issue with the 
attenuator board. It stops at -113 db. I use a 20 db pad to make up the 
difference and other than that the unit works well. I will include the 20 db 
pad. Asking $400 plus shipping. I will include a two tone generator for PL 
tones for another $100.

If interested contact me off list.

Glenn WA7SPY
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[Elecraft] KPA100 recommended max power for digital modes?

2014-02-21 Thread WA7SPY

I just ordered a KPA100 with the auto tuner for my KX3. In anticipation of the 
arrival of the amp  I was looking at the operating manual online and did not 
see any recommended power setting for operating the amp with digital modes. I 
plan to use the amp for PSK31. What is the recommended max power setting for 
the amp using PSK31 with a KX3?

Thanks,
Glenn Maclean WA7SPY
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Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

2014-02-21 Thread Cady, Fred

Check the KAT500 configuration Initial Power screen to see if Power On When DC 
Power Applied is checked.
Fred KE7X

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of bill conkling
Sent: Friday, February 21, 2014 7:47 PM
To: Jack Brindle
Cc: elecraft
Subject: Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

It's plugged into the same PS as the K3.

...bill

Sent from my Verizon Wireless 4G LTE DROID

Jack Brindle  wrote:

>You might want to say how you have the KAT powered. In my station I have a 
>relay-switch power panel that I built. The relay is powered by the K3’s 12V 
>output jack. When the K3 turns on, it powers the relay, which the switches 12V 
>power to the various station boxes, including the KAT500. By the time the K3 
>is ready to talk to the KAT, it is awake and listening, as is the KRC2, P3, 
>etc...
>
>
>Jack B, W6FB
>
>
>On Feb 21, 2014, at 5:44 PM, bill conkling  wrote:
>
>
>Sounds great but most of the time my KAT500 won't turn on until I turn on the 
>K3.
>
>
>What now?
>
>
>...bill nr4c
>
>
>Sent from my Verizon Wireless 4G LTE DROID
>
>
>
>Jack Brindle  wrote:
>
>The KAT500 needs to be powered on whenever the K3 is on in order to avoid 
>loading the Auxbus. It can be powered up at the same time, but must be on 
>before the K3 completes its initialization.
>
>The KPA500 has no restriction, and can be powered on any time before or after 
>the K3 is turned on.
>
>Jack Brindle, W6FB
>
>On Feb 21, 2014, at 2:23 AM, Stephen Prior  wrote:
>
>> Chuck,
>> 
>> I seem to remember reading that the order of turning on the K-line is 
>> important.  I always turn on the KAT500, then the KPA500 followed by 
>> the K3/P3.  I have not had any issues doing things in that order.  
>> Maybe this is why you had the 'problem'?
>> 
>> 73 Stephen G4SJP
>> 
>> 
>> On 21 February 2014 10:19, ke9uw  wrote:
>> 
>>> Oh yes, I remember now yesterday I got a soft fault on the KPA500. I 
>>> turned on the K3, the KAT500 went to the pretuned setting on 40M and 
>>> then I turned on the KPA500 and clicked it into operate.
>>> I said one word and the KPA500 went to standby. No red lights. I 
>>> returned it to operate and everything worked well. Forgot about 
>>> that...not a problem, but don't know why it did that.
>>> 
>>> 
>>> 
>>> -
>>> Chuck, KE9UW
>>> --
>>> View this message in context:
>>> http://elecraft.365791.n2.nabble.com/K3-KPA500-KAT500-revs-4-83-1-38
>>> -1-58-tp7584490p7584507.html Sent from the Elecraft mailing list 
>>> archive at Nabble.com.
>>> __
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>>> email list: http://www.qsl.net/donate.html
>>> 
>> __
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>
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Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

2014-02-21 Thread bill conkling

It's plugged into the same PS as the K3.

...bill

Sent from my Verizon Wireless 4G LTE DROID

Jack Brindle  wrote:

>You might want to say how you have the KAT powered. In my station I have a 
>relay-switch power panel that I built. The relay is powered by the K3’s 12V 
>output jack. When the K3 turns on, it powers the relay, which the switches 12V 
>power to the various station boxes, including the KAT500. By the time the K3 
>is ready to talk to the KAT, it is awake and listening, as is the KRC2, P3, 
>etc...
>
>
>Jack B, W6FB
>
>
>On Feb 21, 2014, at 5:44 PM, bill conkling  wrote:
>
>
>Sounds great but most of the time my KAT500 won't turn on until I turn on the 
>K3.
>
>
>What now?
>
>
>...bill nr4c
>
>
>Sent from my Verizon Wireless 4G LTE DROID
>
>
>
>Jack Brindle  wrote:
>
>The KAT500 needs to be powered on whenever the K3 is on in order to avoid 
>loading the Auxbus. It can be powered up at the same time, but must be on 
>before the K3 completes its initialization.
>
>The KPA500 has no restriction, and can be powered on any time before or after 
>the K3 is turned on.
>
>Jack Brindle, W6FB
>
>On Feb 21, 2014, at 2:23 AM, Stephen Prior  wrote:
>
>> Chuck,
>> 
>> I seem to remember reading that the order of turning on the K-line is
>> important.  I always turn on the KAT500, then the KPA500 followed by the
>> K3/P3.  I have not had any issues doing things in that order.  Maybe this
>> is why you had the 'problem'?
>> 
>> 73 Stephen G4SJP
>> 
>> 
>> On 21 February 2014 10:19, ke9uw  wrote:
>> 
>>> Oh yes, I remember now yesterday I got a soft fault on the KPA500. I turned
>>> on the K3, the KAT500 went to the pretuned setting on 40M and then I turned
>>> on the KPA500 and clicked it into operate.
>>> I said one word and the KPA500 went to standby. No red lights. I returned
>>> it to operate and everything worked well. Forgot about that...not a
>>> problem,
>>> but don't know why it did that.
>>> 
>>> 
>>> 
>>> -
>>> Chuck, KE9UW
>>> --
>>> View this message in context:
>>> http://elecraft.365791.n2.nabble.com/K3-KPA500-KAT500-revs-4-83-1-38-1-58-tp7584490p7584507.html
>>> Sent from the Elecraft mailing list archive at Nabble.com.
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>>> 
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> 
>> __
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>
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>
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Re: [Elecraft] K2 Won't power on

2014-02-21 Thread JeremyJones

Q7, Q8, Q11 and Q13 are all now replaced, and everything seems to be working
normally again.  Thanks everyone for all the help.

73,
Jeremy
VA3ZTF


JeremyJones wrote
> Yes that was an Alkaline battery.  That makes me feel better about
> installing the new finals once they arrive.  In the mean time I have a
> KAT100 and KPA100 to build.
> 
> Jeremy





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Re: [Elecraft] Broadcast interference?

2014-02-21 Thread Phil Wheeler

It sounds like you need a "Hotel Filter", Dale, 
tunes out any within 5 miles of an AM BC tower


Hmm ... sort of a ham radio Trip Advisor!

73, Phil w7ox

On 2/21/14, 6:02 PM, Dale - K7DNH wrote:

I believe I have finally experienced broadcast interference... at least I
hope that is what it is...

On 4th floor of hotel with a balcony and strung out a LnR Precision 40/20
End Fed antenna across parking lot to large pine tree with strain relief
polyester antenna rope so coax connection at end of antenna (has built-in
balun) was 10 feet from building, and opposite end had over 50 feet in the
clear with same type rope - with antenna having slight, normal sag of maybe
1 foot. I have used this set-up several times at various hotels... last time
just the day before but in different city. (Sunny San Diego first of week,
Drizzly Portland, OR now... Wish some of the rain would head further south
into Reno for drought relief!!

I have MINIMUM of S10 to sometimes S30 noise level  - and any time I do get
some type of voice it is all pretty garbled. Checked mode, LSB/USB -  all
connections several times, same on different bands... and when I checkered
WWV on 5 I could hear what I think was local AM station a bit "clearer"!
Just trying things I reloaded a saved config file, even tried EEINT and
reloaded again - no change whatsoever.

Well, sun came out late this afternoon.. and one can see more than 100
yards...and across the freeway stands 3 large towers!!!  Maybe this was
overloading far beyond what the KX3  ATU can handle? as I read somewhere
it has broadcast filters built into the ATU.

Any recommendations on a external filter I can buy, so during my evenings in
hotels when I travel I don't experience this again?? PIA to use my
slingshot/fishing line to string an antenna in the drizzling rain for
nuthin'!

Dale
K7DNH





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Re: [Elecraft] Broadcast interference?

2014-02-21 Thread VK4JRC

Dale,

I have these for the bands I operate, but to date I have not needed them YET!

http://www.dunestar.com/store/Single-Band-Bandpass-Filters-pid-4.html

73,

Jack VK4JRC

Club.www.cqara.org.au
Member WIA SARL ARRL 
GQRP   #14392
QRPARCI #15068
VKQRP.#833

> On 22 Feb 2014, at 12:02 pm, Dale - K7DNH  wrote:
> 
> I believe I have finally experienced broadcast interference... at least I
> hope that is what it is...
> 
> On 4th floor of hotel with a balcony and strung out a LnR Precision 40/20
> End Fed antenna across parking lot to large pine tree with strain relief
> polyester antenna rope so coax connection at end of antenna (has built-in
> balun) was 10 feet from building, and opposite end had over 50 feet in the
> clear with same type rope - with antenna having slight, normal sag of maybe
> 1 foot. I have used this set-up several times at various hotels... last time
> just the day before but in different city. (Sunny San Diego first of week,
> Drizzly Portland, OR now... Wish some of the rain would head further south
> into Reno for drought relief!!
> 
> I have MINIMUM of S10 to sometimes S30 noise level  - and any time I do get
> some type of voice it is all pretty garbled. Checked mode, LSB/USB -  all
> connections several times, same on different bands... and when I checkered
> WWV on 5 I could hear what I think was local AM station a bit "clearer"! 
> Just trying things I reloaded a saved config file, even tried EEINT and
> reloaded again - no change whatsoever.
> 
> Well, sun came out late this afternoon.. and one can see more than 100
> yards...and across the freeway stands 3 large towers!!!  Maybe this was
> overloading far beyond what the KX3  ATU can handle? as I read somewhere
> it has broadcast filters built into the ATU.
> 
> Any recommendations on a external filter I can buy, so during my evenings in
> hotels when I travel I don't experience this again?? PIA to use my
> slingshot/fishing line to string an antenna in the drizzling rain for
> nuthin'!
> 
> Dale
> K7DNH
> 
> 
> 
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/Broadcast-interference-tp7584531.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
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[Elecraft] Broadcast interference?

2014-02-21 Thread Dale - K7DNH

I believe I have finally experienced broadcast interference... at least I
hope that is what it is...

On 4th floor of hotel with a balcony and strung out a LnR Precision 40/20
End Fed antenna across parking lot to large pine tree with strain relief
polyester antenna rope so coax connection at end of antenna (has built-in
balun) was 10 feet from building, and opposite end had over 50 feet in the
clear with same type rope - with antenna having slight, normal sag of maybe
1 foot. I have used this set-up several times at various hotels... last time
just the day before but in different city. (Sunny San Diego first of week,
Drizzly Portland, OR now... Wish some of the rain would head further south
into Reno for drought relief!!

I have MINIMUM of S10 to sometimes S30 noise level  - and any time I do get
some type of voice it is all pretty garbled. Checked mode, LSB/USB -  all
connections several times, same on different bands... and when I checkered
WWV on 5 I could hear what I think was local AM station a bit "clearer"! 
Just trying things I reloaded a saved config file, even tried EEINT and
reloaded again - no change whatsoever.

Well, sun came out late this afternoon.. and one can see more than 100
yards...and across the freeway stands 3 large towers!!!  Maybe this was
overloading far beyond what the KX3  ATU can handle? as I read somewhere
it has broadcast filters built into the ATU.

Any recommendations on a external filter I can buy, so during my evenings in
hotels when I travel I don't experience this again?? PIA to use my
slingshot/fishing line to string an antenna in the drizzling rain for
nuthin'!

Dale
K7DNH



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Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

2014-02-21 Thread Jack Brindle

You might want to say how you have the KAT powered. In my station I have a 
relay-switch power panel that I built. The relay is powered by the K3’s 12V 
output jack. When the K3 turns on, it powers the relay, which the switches 12V 
power to the various station boxes, including the KAT500. By the time the K3 is 
ready to talk to the KAT, it is awake and listening, as is the KRC2, P3, etc...

Jack B, W6FB

On Feb 21, 2014, at 5:44 PM, bill conkling  wrote:

> Sounds great but most of the time my KAT500 won't turn on until I turn on the 
> K3.
> 
> What now?
> 
> ...bill nr4c
> 
> Sent from my Verizon Wireless 4G LTE DROID
> 
> 
> Jack Brindle  wrote:
> 
> The KAT500 needs to be powered on whenever the K3 is on in order to avoid 
> loading the Auxbus. It can be powered up at the same time, but must be on 
> before the K3 completes its initialization.
> 
> The KPA500 has no restriction, and can be powered on any time before or after 
> the K3 is turned on.
> 
> Jack Brindle, W6FB
> 
> On Feb 21, 2014, at 2:23 AM, Stephen Prior  wrote:
> 
> > Chuck,
> > 
> > I seem to remember reading that the order of turning on the K-line is
> > important.  I always turn on the KAT500, then the KPA500 followed by the
> > K3/P3.  I have not had any issues doing things in that order.  Maybe this
> > is why you had the 'problem'?
> > 
> > 73 Stephen G4SJP
> > 
> > 
> > On 21 February 2014 10:19, ke9uw  wrote:
> > 
> >> Oh yes, I remember now yesterday I got a soft fault on the KPA500. I turned
> >> on the K3, the KAT500 went to the pretuned setting on 40M and then I turned
> >> on the KPA500 and clicked it into operate.
> >> I said one word and the KPA500 went to standby. No red lights. I returned
> >> it to operate and everything worked well. Forgot about that...not a
> >> problem,
> >> but don't know why it did that.
> >> 
> >> 
> >> 
> >> -
> >> Chuck, KE9UW
> >> --
> >> View this message in context:
> >> http://elecraft.365791.n2.nabble.com/K3-KPA500-KAT500-revs-4-83-1-38-1-58-tp7584490p7584507.html
> >> Sent from the Elecraft mailing list archive at Nabble.com.
> >> __
> >> Elecraft mailing list
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> >> 
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Re: [Elecraft] (no subject)

2014-02-21 Thread bill conkling

My experience says either/or.  But I did mine in reverse order of cost.  Get 
the most expensive ones first.

...bill

Sent from my Verizon Wireless 4G LTE DROID

John Saxon  wrote:

>I have a K3/10 with no add-ons, and now am ready to get a KPA3 100W amp & KAT3 
>tuner, to install myself.  I would rather not purchase them at the same time.  
>Is there a more favorable order to get them?  Amp first or tuner first?  I 
>suspect there may be some construction issues that would favor one over the 
>other to be acquired first.
>
>Thanks & 73,
>John
>K5ENQ
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Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

2014-02-21 Thread bill conkling

Sounds great but most of the time my KAT500 won't turn on until I turn on the 
K3.

What now?

...bill nr4c

Sent from my Verizon Wireless 4G LTE DROID

Jack Brindle  wrote:

>The KAT500 needs to be powered on whenever the K3 is on in order to avoid 
>loading the Auxbus. It can be powered up at the same time, but must be on 
>before the K3 completes its initialization.
>
>The KPA500 has no restriction, and can be powered on any time before or after 
>the K3 is turned on.
>
>Jack Brindle, W6FB
>
>On Feb 21, 2014, at 2:23 AM, Stephen Prior  wrote:
>
>> Chuck,
>> 
>> I seem to remember reading that the order of turning on the K-line is
>> important.  I always turn on the KAT500, then the KPA500 followed by the
>> K3/P3.  I have not had any issues doing things in that order.  Maybe this
>> is why you had the 'problem'?
>> 
>> 73 Stephen G4SJP
>> 
>> 
>> On 21 February 2014 10:19, ke9uw  wrote:
>> 
>>> Oh yes, I remember now yesterday I got a soft fault on the KPA500. I turned
>>> on the K3, the KAT500 went to the pretuned setting on 40M and then I turned
>>> on the KPA500 and clicked it into operate.
>>> I said one word and the KPA500 went to standby. No red lights. I returned
>>> it to operate and everything worked well. Forgot about that...not a
>>> problem,
>>> but don't know why it did that.
>>> 
>>> 
>>> 
>>> -
>>> Chuck, KE9UW
>>> --
>>> View this message in context:
>>> http://elecraft.365791.n2.nabble.com/K3-KPA500-KAT500-revs-4-83-1-38-1-58-tp7584490p7584507.html
>>> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Which comes first?

2014-02-21 Thread Phil Wheeler

So then it's all up to you, John: Do you want to 
eliminate manual tuning or have 100 W output more?


73, Phil w7ox

On 2/21/14, 1:31 PM, John Saxon wrote:

Thanks, Chuck.

Apologies to the group for omitting a subject.

I was thinking amp first simply because I do have a tuner, although manual, but 
I do not have 100 watts.  Doesn't sound like either way would be significantly 
harder than the other.

Thanks & 73,
John
K5ENQ



On Friday, February 21, 2014 3:01 PM, Chuck Shefflette - AA3CS  
wrote:
  
John,


There are no real issues with installing either the KPA3 or the KAT3. There is 
a shield that is included with the KPA3 kit (I don’t believe it comes with the 
base radio, but it has been 4 years since I built my kit) that might be easier 
to put in before the KAT3. Personally, I’d get them both first but if I could 
only get one, it would be the KAT3.

73,
Chuck
AA3CS
--
“Computers are useless. They can only give you answers.” -- Pablo Picasso

On Feb 21, 2014, at 3:45 PM, John Saxon  wrote:

I have a K3/10 with no add-ons, and now am ready to get a KPA3 100W amp & KAT3 
tuner, to install myself.  I would rather not purchase them at the same time.  Is 
there a more favorable order to get them?  Amp first or tuner first?  I suspect 
there may be some construction issues that would favor one over the other to be 
acquired first.

Thanks & 73,
John
K5ENQ


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Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

2014-02-21 Thread Fred Jensen

Arlen,  I have a P3.  I bought it as a toy, my wife does needlepoint 
which is as expensive as ham radio can be, we have an "equal hobby 
allowance" policy between us, and she'd been buying quite a bit and 
going to a number of classes.  I assembled it, spent some time learning 
to use it, and far from being a "toy," it has changed just about every 
aspect of my operating habits.


I did not include it in my list to you because it is a separate device 
and not an internal K3 option.  If it's within your budget and you can 
have 4 options instead of 3, I'd get a P3.


73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org

On 2/21/2014 10:31 AM, Arlen Fletcher wrote:


Almost everyone recommended filters of one flavor or another, 2 people
recommended the P3, and one person recommended the KTXCO3-1.



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Re: [Elecraft] K3 Order of Purchase

2014-02-21 Thread Fred Jensen

Well, if you need the KAT3 to operate 100W with your antenna(s), then 
I'd think you want it first.  If your antenna(s) present a suitable 
load, you really don't need the KAT at all, so I'd go with the KPA.  You 
might want the tuner for operation away from your station, add it second.


The KPA comes with some hardware [shield plate and maybe a stiffener 
bracket], it's been so long I really don't remember.  Someone here on 
the list will, I'm sure.


On 2/21/2014 12:45 PM, John Saxon wrote:

I have a K3/10 with no add-ons, and now am ready to get a KPA3 100W
amp & KAT3 tuner, to install myself.  I would rather not purchase
them at the same time.  Is there a more favorable order to get them?
Amp first or tuner first?  I suspect there may be some construction
issues that would favor one over the other to be acquired first.


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Re: [Elecraft] Which comes first?

2014-02-21 Thread John Saxon

Thanks, Chuck.

Apologies to the group for omitting a subject.

I was thinking amp first simply because I do have a tuner, although manual, but 
I do not have 100 watts.  Doesn't sound like either way would be significantly 
harder than the other.

Thanks & 73,
John
K5ENQ

On Friday, February 21, 2014 3:01 PM, Chuck Shefflette - AA3CS  
wrote:

John,

There are no real issues with installing either the KPA3 or the KAT3. There is 
a shield that is included with the KPA3 kit (I don’t believe it comes with the 
base radio, but it has been 4 years since I built my kit) that might be easier 
to put in before the KAT3. Personally, I’d get them both first but if I could 
only get one, it would be the KAT3.

73,
Chuck
AA3CS
--
“Computers are useless. They can only give you answers.” -- Pablo Picasso

On Feb 21, 2014, at 3:45 PM, John Saxon  wrote:

I have a K3/10 with no add-ons, and now am ready to get a KPA3 100W amp & KAT3 
tuner, to install myself.  I would rather not purchase them at the same time.  
Is there a more favorable order to get them?  Amp first or tuner first?  I 
suspect there may be some construction issues that would favor one over the 
other to be acquired first.
>
>Thanks & 73,
>John
>K5ENQ
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Re: [Elecraft] (no subject)

2014-02-21 Thread Chuck Shefflette - AA3CS

John,

There are no real issues with installing either the KPA3 or the KAT3. There is 
a shield that is included with the KPA3 kit (I don’t believe it comes with the 
base radio, but it has been 4 years since I built my kit) that might be easier 
to put in before the KAT3. Personally, I’d get them both first but if I could 
only get one, it would be the KAT3.

73,
Chuck
AA3CS
--
“Computers are useless. They can only give you answers.” -- Pablo Picasso

On Feb 21, 2014, at 3:45 PM, John Saxon  wrote:

> I have a K3/10 with no add-ons, and now am ready to get a KPA3 100W amp & 
> KAT3 tuner, to install myself.  I would rather not purchase them at the same 
> time.  Is there a more favorable order to get them?  Amp first or tuner 
> first?  I suspect there may be some construction issues that would favor one 
> over the other to be acquired first.
> 
> Thanks & 73,
> John
> K5ENQ
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Re: [Elecraft] K2 on digital modes.

2014-02-21 Thread Dave Barr


Hi Dennis

The is a another consideration for digital modes if you are planning to 
work RTTY as well as other digital modes.  In setting up my K2 a long 
time ago, I found much better results with narrow filtering could be 
achieved by using an audio frequency pair (mark and space tones) lower 
than the 2125-2295 standard suggested for most RTTY work.  Using MMTTY, 
I chose 915 for the mark frequency mark, although using 1275 or 1445 
should be fine.  With the high tones I was not able to get flat band 
pass shaping that was similar between the 15 meter-and-up and the 20 
meters-and-down conversion arrangements that the K2 has.   Some will 
warn you not to use low tones because of opposite sideband leak, but I 
have never had that problem, even when checking with a second RX in the 
shack.  I aligned my narrowest filter as low as 40 hz (nominally- it's 
actually much wider than that) and it worked well in crowded RTTY 
contest conditions.  I ended up with nominal filter widths of 40, 75 and 
135 hz.  For working PSK and JT65 and 9 you will probably want another 
filter set up as wide as possible.


73, Dave, K2YG
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[Elecraft] (no subject)

2014-02-21 Thread John Saxon

I have a K3/10 with no add-ons, and now am ready to get a KPA3 100W amp & KAT3 
tuner, to install myself.  I would rather not purchase them at the same time.  
Is there a more favorable order to get them?  Amp first or tuner first?  I 
suspect there may be some construction issues that would favor one over the 
other to be acquired first.

Thanks & 73,
John
K5ENQ
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[Elecraft] Elecraft SSB net results for 2/16/14

2014-02-21 Thread Phil Shepard

Here are the results from last Sunday’s SSB net. We had 39 participants in 34 
minutes.

Here is the list:

Station NameQTH Rig S/N

KM4IK   Ian GA  K3  281
N6JWJohnCA  K3  936
KF7GC   Tom AZ  K2  5818
W7NMD   Palmer  AR  K3  3779
N8OQJim VA  K3  6534
W7SNR   Bob AZ  K3  343
W0CZKen ND  K3  457
AB7CE   Roy MT  KX3 115 
QRP
KC5RY   George  TX  K3  5208
KD4PS   DaveIL  KX3 3389QRP
VE3XM   Bob ON  K3  409
KF5YBE  Lee TX  KX3 1484
QRP (and K3 7771)
WN4SLG  DougTN  KX3 2915QRP
VE7EAR  Al  BC  KX3 3185
QRP
KE7HGE  Ken WA  KX3 4540
QRP
KA7MAY  Calvin  UT  KX3 2706QRP
K4GCJ   Gerry   NC  K3  1597
WV5IDwayne  TX  K3  5287
K6SAB   Steve   CA  K3  7497
NC0JW   Jim CO  KX3 1356
WB9JNZ  EricIL  K3  4017
W4RKS   Jim TX  K3  3618
KF5IMA  Bruce   MS  K2  3575
K7JEO   Jim AZ  KX3 4722
K1NWBrian   RI  K3  4974
K8NUCarlOH  K3  7976
K4FIDougSC  K3  6199
KK6IPF  KurtCA  K3  7979
QRP
N4CCB   Cliff   TN  KX3 3540
ZL1PWD  Peter   NZ  K3  139
K8JDC   DaveOH  KX3 5426
KK4QDZ  BillNC  KX3 4515
K6WDE   DaveCA  KX3 4599QRP
KF7JZH  Ron ID  KX3 2262
QRP
W7QHD   KurtAZ  K2  1538
W7OXPhilCA  K2  380
K3SEN   DaleFL  K3  7619
VA7ZOO  BillBC  KX3 3035
NS7PPhilOR  K3  1826

73,
Phil, NS7P

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Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

2014-02-21 Thread Phil Wheeler


What I meant to send:

Mine is arriving today. I pretty much maxed it out 
*except* for the sub-receiver, a personal choice. 
Filters are .400. 1.0, 2.1, 2.8 and 6. I did get 
the TCXO option -- mostly in case I eventually get 
transverters. Also the KXV3 since my local ham 
friend showed me the utility of a panadapter (so 
the P3 is coming, too).


But my first choices would have been 100 W, ATU 
and 400 Hz filter (home antennas will need ATU 
unless I use a manual tuner and change it for each 
band). I have the K2, qrp or 100, which will be my 
main portable rig -- usually qrp for less power reqd.


Hey, big package just arrived, so ... .

73, Phil w7ox

On 2/21/14, 12:35 PM, Phil Wheeler wrote:


On 2/21/14, 11:46 AM, Keith Heimbold wrote:
I know I am late to this game but I recently 
got my K3 back and I missed or need these 
features the most.


1) KXV3 - for my receive antennas.
2) Fully filled up filters in your receiver - 
still want to get either 700 kHz or 1k filter 
for it. I have 13k, 2.8k,1.8k, and .25k.
3) and I like the KAT3 even though I don't need 
it with my home station but I plan to take it 
portable


That is it. Sorry for late arrival.

Keith
AK6ZZ



Sent from my iPhone please excuse typos

On Feb 21, 2014, at 10:31 AM, "Arlen Fletcher" 
 wrote:


Greetings Everyone,

I have to say I'm a bit overwhelmed with the 
number of responses I've received to my 
question about what options to get with a new 
K3/100. I expected a few replies, but nothing 
like what I've seen! Thank you to those that 
have responded both on-list and off. I very 
much appreciate the input. I've tallied the 
suggestions and here's what came out:


#1 option: KAT-3
#2 option: KXV3A
#3 option: KRX3

Almost everyone recommended filters of one 
flavor or another, 2 people recommended the 
P3, and one person recommended the KTXCO3-1.


I've received the final OK from the "financial 
officer" (XYL), so as soon as my rich Uncle 
comes through I'll be placing an order!


73, Arlen, N7YIM





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Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

2014-02-21 Thread Phil Wheeler



On 2/21/14, 11:46 AM, Keith Heimbold wrote:

I know I am late to this game but I recently got my K3 back and I missed or 
need these features the most.

1) KXV3 - for my receive antennas.
2) Fully filled up filters in your receiver - still want to get either 700 kHz 
or 1k filter for it. I have 13k, 2.8k,1.8k, and .25k.
3) and I like the KAT3 even though I don't need it with my home station but I 
plan to take it portable

That is it. Sorry for late arrival.

Keith
AK6ZZ



Sent from my iPhone please excuse typos


On Feb 21, 2014, at 10:31 AM, "Arlen Fletcher"  wrote:

Greetings Everyone,

I have to say I'm a bit overwhelmed with the number of responses I've received 
to my question about what options to get with a new K3/100. I expected a few 
replies, but nothing like what I've seen! Thank you to those that have 
responded both on-list and off. I very much appreciate the input. I've tallied 
the suggestions and here's what came out:

#1 option: KAT-3
#2 option: KXV3A
#3 option: KRX3

Almost everyone recommended filters of one flavor or another, 2 people 
recommended the P3, and one person recommended the KTXCO3-1.

I've received the final OK from the "financial officer" (XYL), so as soon as my 
rich Uncle comes through I'll be placing an order!

73, Arlen, N7YIM





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Re: [Elecraft] KX3 and KPA500 ... full power out?

2014-02-21 Thread Ignacy

Paula Keezer wrote
> Unfortunately there is no mod solution like this for the KPA500.  The
> feedback circuit could be changed but I wouldn't mess with it unless you
> know exactly what you are doing. 

Actually there are mods from EU and according to their users they work very
well. One forgoes the warranty, though.
Ignacy, NO9E



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View this message in context: 
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Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

2014-02-21 Thread Keith Heimbold

I know I am late to this game but I recently got my K3 back and I missed or 
need these features the most.

1) KXV3 - for my receive antennas. 
2) Fully filled up filters in your receiver - still want to get either 700 kHz 
or 1k filter for it. I have 13k, 2.8k,1.8k, and .25k. 
3) and I like the KAT3 even though I don't need it with my home station but I 
plan to take it portable

That is it. Sorry for late arrival.

Keith
AK6ZZ



Sent from my iPhone please excuse typos

> On Feb 21, 2014, at 10:31 AM, "Arlen Fletcher"  wrote:
> 
> Greetings Everyone,
> 
> I have to say I'm a bit overwhelmed with the number of responses I've 
> received to my question about what options to get with a new K3/100. I 
> expected a few replies, but nothing like what I've seen! Thank you to those 
> that have responded both on-list and off. I very much appreciate the input. 
> I've tallied the suggestions and here's what came out:
> 
> #1 option: KAT-3
> #2 option: KXV3A
> #3 option: KRX3
> 
> Almost everyone recommended filters of one flavor or another, 2 people 
> recommended the P3, and one person recommended the KTXCO3-1.
> 
> I've received the final OK from the "financial officer" (XYL), so as soon as 
> my rich Uncle comes through I'll be placing an order!
> 
> 73, Arlen, N7YIM
> 
> On Feb 20, 2014, at 12:25 PM, Arlen Fletcher  wrote:
> 
> I'm about to pull the trigger on a K3/100 purchase (once the IRS returns the 
> interest-free loan I provided to them in 2013). There are a LOT of options 
> listed for the K3 on the Elecraft site, and I'm a total newbie, so I'm 
> appealing for help from current K3 owners. I plan to chase DX primarily and 
> hope to learn more about the digital modes, though CW isn't of significant 
> interest at this point.
> 
> Given the above, what are your recommendations for the top three options for 
> a brand new K3/100?
> 
> Thanks in advance!
> 
> 73, Arlen, N7YIM
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Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

2014-02-21 Thread Jack Brindle

The KAT500 needs to be powered on whenever the K3 is on in order to avoid 
loading the Auxbus. It can be powered up at the same time, but must be on 
before the K3 completes its initialization.

The KPA500 has no restriction, and can be powered on any time before or after 
the K3 is turned on.

Jack Brindle, W6FB

On Feb 21, 2014, at 2:23 AM, Stephen Prior  wrote:

> Chuck,
> 
> I seem to remember reading that the order of turning on the K-line is
> important.  I always turn on the KAT500, then the KPA500 followed by the
> K3/P3.  I have not had any issues doing things in that order.  Maybe this
> is why you had the 'problem'?
> 
> 73 Stephen G4SJP
> 
> 
> On 21 February 2014 10:19, ke9uw  wrote:
> 
>> Oh yes, I remember now yesterday I got a soft fault on the KPA500. I turned
>> on the K3, the KAT500 went to the pretuned setting on 40M and then I turned
>> on the KPA500 and clicked it into operate.
>> I said one word and the KPA500 went to standby. No red lights. I returned
>> it to operate and everything worked well. Forgot about that...not a
>> problem,
>> but don't know why it did that.
>> 
>> 
>> 
>> -
>> Chuck, KE9UW
>> --
>> View this message in context:
>> http://elecraft.365791.n2.nabble.com/K3-KPA500-KAT500-revs-4-83-1-38-1-58-tp7584490p7584507.html
>> Sent from the Elecraft mailing list archive at Nabble.com.
>> __
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Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

2014-02-21 Thread Arlen Fletcher


Greetings Everyone,

I have to say I'm a bit overwhelmed with the number of responses I've received 
to my question about what options to get with a new K3/100. I expected a few 
replies, but nothing like what I've seen! Thank you to those that have 
responded both on-list and off. I very much appreciate the input. I've tallied 
the suggestions and here's what came out:

#1 option: KAT-3
#2 option: KXV3A
#3 option: KRX3

Almost everyone recommended filters of one flavor or another, 2 people 
recommended the P3, and one person recommended the KTXCO3-1.

I've received the final OK from the "financial officer" (XYL), so as soon as my 
rich Uncle comes through I'll be placing an order!

73, Arlen, N7YIM

On Feb 20, 2014, at 12:25 PM, Arlen Fletcher  wrote:

I'm about to pull the trigger on a K3/100 purchase (once the IRS returns the 
interest-free loan I provided to them in 2013). There are a LOT of options 
listed for the K3 on the Elecraft site, and I'm a total newbie, so I'm 
appealing for help from current K3 owners. I plan to chase DX primarily and 
hope to learn more about the digital modes, though CW isn't of significant 
interest at this point.

Given the above, what are your recommendations for the top three options for a 
brand new K3/100?

Thanks in advance!

73, Arlen, N7YIM
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[Elecraft] K3/0 Mini Soon?

2014-02-21 Thread Gerry Hull

I'm hoping the sheet metal issues have been cleared up regarding the K3/0
mini...

Any news on ship date?

73,

-- 
Gerry Hull, W1VE   | Nelson, NH USA | +1-617-CW-SPARK
AKA: VE1RM | VY2CDX | VO1CDX | 6Y6C | 8P9RM
 
  
 
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[Elecraft] Revised K2 operating manual (in German)

2014-02-21 Thread Daniel Schlieper


Dear K2 users,

there is a revised version of the K2 operating manual in German available. 
You may find the text at http://qrpproject-blog.de/?p=64 .


The manual is a compilation of operating instructions and tips from a wide 
range of sources (mainly Elecraft's manuals, of course).


Feel free to print, sell or translate the text. See
http://creativecommons.org/licenses/by/4.0/deed.en

73 Daniel DM3DA

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[Elecraft] WTB

2014-02-21 Thread artus

I have a K2 recently built and looking for good buy on KSB2 and KIO2 for
digital modes.  Anyone have any units built, unbuilt, working or even
non-working(with good pcbs?)  Thanks & 73 -- Jack (W0FNQ) 
9artus.at.gmail



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Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

2014-02-21 Thread Ethan Miller K8GU

Arlen,

I agree that the KXV3(A) is very useful in general, also.  My first
K3/100 only had the 400-Hz roofing filter option and I bought the
KXV3A a few months later so I could hook up Beverages.  I would
strongly encourage you to consider at least one roofing filter that's
matched to your preferred mode/bandwidth so you can really exploit the
awesomeness of the K3.  I would think that for SSB DX, the 2.1 kHz or
1.8 kHz might be useful.

I don't consider auto-tuners a must-have accessory...but, all of my
antennas are matched farther down the feeder and the amp I'm using
right now has tuned input.  That's the last item on my list of K3
upgrades (the next, and next-to-last, one is the sub RX)...

Have fun...it doesn't take much to really enjoy the radio...add the
options later!

73,

--Ethan, K8GU/3.

On Fri, Feb 21, 2014 at 10:34 AM, Arie Kleingeld PA3A  wrote:
> Yep.
>
> My top 3 as well.
> (BTW: The KXV3 is very useful, also when you have no intention to add a P3)
>
> 73
> Arie PA3A
>
>
> Dave Perry schreef op 21-2-2014 5:55:
>
>>
>> K3/100
>> KAT3 Auto tuner plus second antenna port
>> KXV3A RX Ant., IF Out and Xverter Interface -- for adding a P3 later
>> 400 Hz 8 pole filter for CW and RTTY
>>
>> That would be my top three options for general DX and CW operation.
>>
>> 73,
>>
>> Dave, N4QS
>>
>>
>
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Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

2014-02-21 Thread Arie Kleingeld PA3A


Yep.

My top 3 as well.
(BTW: The KXV3 is very useful, also when you have no intention to add a P3)

73
Arie PA3A


Dave Perry schreef op 21-2-2014 5:55:


K3/100
KAT3 Auto tuner plus second antenna port
KXV3A RX Ant., IF Out and Xverter Interface -- for adding a P3 later
400 Hz 8 pole filter for CW and RTTY

That would be my top three options for general DX and CW operation.

73,

Dave, N4QS




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Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

2014-02-21 Thread Stephen Prior

Chuck,

I seem to remember reading that the order of turning on the K-line is
important.  I always turn on the KAT500, then the KPA500 followed by the
K3/P3.  I have not had any issues doing things in that order.  Maybe this
is why you had the 'problem'?

73 Stephen G4SJP


On 21 February 2014 10:19, ke9uw  wrote:

> Oh yes, I remember now yesterday I got a soft fault on the KPA500. I turned
> on the K3, the KAT500 went to the pretuned setting on 40M and then I turned
> on the KPA500 and clicked it into operate.
>  I said one word and the KPA500 went to standby. No red lights. I returned
> it to operate and everything worked well. Forgot about that...not a
> problem,
> but don't know why it did that.
>
>
>
> -
> Chuck, KE9UW
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/K3-KPA500-KAT500-revs-4-83-1-38-1-58-tp7584490p7584507.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

2014-02-21 Thread ke9uw

Oh yes, I remember now yesterday I got a soft fault on the KPA500. I turned
on the K3, the KAT500 went to the pretuned setting on 40M and then I turned
on the KPA500 and clicked it into operate.
 I said one word and the KPA500 went to standby. No red lights. I returned
it to operate and everything worked well. Forgot about that...not a problem,
but don't know why it did that.



-
Chuck, KE9UW
--
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Re: [Elecraft] KPA100 recommended max power for digital modes?

Re: [Elecraft] KPA100 recommended max power for digital modes?

[Elecraft] FS HP 8657A Digital signal generator

[Elecraft] KPA100 recommended max power for digital modes?

Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

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Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

Re: [Elecraft] (no subject)

Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

Re: [Elecraft] Which comes first?

Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

Re: [Elecraft] K3 Order of Purchase

Re: [Elecraft] Which comes first?

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Re: [Elecraft] K2 on digital modes.

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Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

Re: [Elecraft] KX3 and KPA500 ... full power out?

Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

[Elecraft] K3/0 Mini Soon?

[Elecraft] Revised K2 operating manual (in German)

[Elecraft] WTB

Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

Re: [Elecraft] Buying a new K3/100 kit - Top 3 options?

Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

Re: [Elecraft] K3/KPA500/KAT500 revs 4.83/1.38/1.58

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