Re: [Elecraft] Tuning AL-811H

[David Gilbert]

My guess is that the answer to that would be yes, since it already 
exists as the very first item in the chart of K3 menu options.

"2 Tone  --  Enables built-in 2-tone generator for SSB transmit tests."

Dave   AB7E



On 1/20/2012 12:13 AM, Matt Murphy wrote:
> If using a two tone oscillator is the best way to tune a tube amp, would it
> be possible for the K3's firmware to generate this?
>
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Re: [Elecraft] Tuning AL-811H

[David Pratt]

A 2-tone test is already built into the K3, Matt. I'm afraid it's a case
of RTFM.

Enter the Config menu and look for 2 TONE

73 de David G4DMP

In a recent message, Matt Murphy  writes
>If using a two tone oscillator is the best way to tune a tube amp, would it
>be possible for the K3's firmware to generate this?
-- 
 + - - - - - - - - - - - - - - - - +
 | David M Pratt, Kippax, Leeds.   |
 | Website: http://www.g4dmp.co.uk |
 + - - - - - - - - - - - - - - - - +

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Re: [Elecraft] Tuning AL-811H

[Matt Murphy]

If using a two tone oscillator is the best way to tune a tube amp, would it
be possible for the K3's firmware to generate this?

On Thu, Jan 19, 2012 at 9:37 PM, Sandy  wrote:

> If you are interested in doing the job totally "right" when using SSB, the
> only way to be assured of good linearity in the amplifier, is to use a
> two-tone test oscillator fed into the audio input and a monitor
> oscilloscope
> that gives a trapezoidal test pattern.   Yes, I know a lot of people use a
> CW carrier to do that and are successful at least some of the time.  It is
> easy to mistune this way and NOT get good linearity and maximum `PEP output
> however.  This degrades your signal and often times may disturb QSO's up or
> down the band with non-linearity products.
>
> Cheapest test scope used to be the Heathkit SB-610 which has a built in 2
> tone test oscillator.  I think Yaesu and Kenwood also made these as well.
> Once you get used to the procedure it is easy and fast and assures a very
> clean and potent signal.
>
> 73,
>
> Sandy W5TVW
> -Original Message-
> From: Ian Kahn - Ham
> Sent: Thursday, January 19, 2012 9:51 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Tuning AL-811H
>
> I have a question about tuning an AL-811H amplifier with my K3.  When I
> used my FT-857D in the shack, I would tune to the antenna in FM mode.
> However, I don't have the FM filter on my K3.  I tried tuning the amp
> using AM, but I don't have that filter either.  So, what is the best
> mode to use that allows me to briefly transmit an uninterrupted carrier
> so I can get this amp set up and the settings written down?  BTW, after
> going through this, the saving for the KPA500/KAT500 will soon begin.
>
> Thanks everyone for the assist.
>
> 73,
>
> --Ian
> Ian Kahn, KM4IK
> Roswell, GA
> km4ik@gmail.com
> K3 #281, P3 #688
>
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>
> -
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.1901 / Virus Database: 2109/4754 - Release Date: 01/19/12
>
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Re: [Elecraft] Tuning AL-811H

[Sandy]

If you are interested in doing the job totally "right" when using SSB, the 
only way to be assured of good linearity in the amplifier, is to use a 
two-tone test oscillator fed into the audio input and a monitor oscilloscope 
that gives a trapezoidal test pattern.   Yes, I know a lot of people use a 
CW carrier to do that and are successful at least some of the time.  It is 
easy to mistune this way and NOT get good linearity and maximum `PEP output 
however.  This degrades your signal and often times may disturb QSO's up or 
down the band with non-linearity products.

Cheapest test scope used to be the Heathkit SB-610 which has a built in 2 
tone test oscillator.  I think Yaesu and Kenwood also made these as well. 
Once you get used to the procedure it is easy and fast and assures a very 
clean and potent signal.

73,

Sandy W5TVW
-Original Message- 
From: Ian Kahn - Ham
Sent: Thursday, January 19, 2012 9:51 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Tuning AL-811H

I have a question about tuning an AL-811H amplifier with my K3.  When I
used my FT-857D in the shack, I would tune to the antenna in FM mode.
However, I don't have the FM filter on my K3.  I tried tuning the amp
using AM, but I don't have that filter either.  So, what is the best
mode to use that allows me to briefly transmit an uninterrupted carrier
so I can get this amp set up and the settings written down?  BTW, after
going through this, the saving for the KPA500/KAT500 will soon begin.

Thanks everyone for the assist.

73,

--Ian
Ian Kahn, KM4IK
Roswell, GA
km4ik@gmail.com
K3 #281, P3 #688

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-
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.1901 / Virus Database: 2109/4754 - Release Date: 01/19/12 

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Re: [Elecraft] Internet RFI Issue

[Sandy]

This effect JUST might be the cause of my problems too.  I am using Charter 
cable too and Wi-Fi from the shack to the master bedroom across the house. 
I also suspect too many "g" Wi-Fi protocol users on the very limited number 
of channels may be wrecking things at non-descript times!  QRM if you will 
on the 2.5 Ghz. Wi-Fi band!

If and when I can, I intend eventually getting an "n" protocol access point, 
installing a CAT 5 cable from the ham shack in adjacent building thru the 
attic to over the master bedroom and placing the access point in the attic 
space.  If THAT is my primary problem, that should fix it!  I hope!

Give us a report when they get it sorted out Ron!

73,

Sandy W5TVW

-Original Message- 
From: Ron D'Eau Claire
Sent: Thursday, January 19, 2012 10:20 PM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] Internet RFI Issue

Since so many Hams today depend upon  their internet connection in the
"shack" I thought this might be of interest.



A few weeks ago I started losing my internet service in the evenings. I have
a Charter cable connection that had provided consistent >20 MBs downloads
and >4 MBs upload speeds until then. Suddenly I was faced with evening
download rates of 1 or 2 MBs and uploads of a couple of KBps - not enough to
keep e-mail POP servers from timing out on short text messages!  The next
day everything was back to normal.



I called Charter and they had a tech out to my place a couple of hours
later. He showed me the spectrum plots of my internet signal over a number
of days. Many evenings a huge surge of noise appeared that killed the S/N
ratio.



He explained that they've had to chase a number of these down in recent
months. He said that it is often caused by a TV set with a direct internet
connection for watching streaming programming. He explained that poor design
causes some TVs to inject huge noise levels into the cable connection,
apparently when the cable connection is not in use so the owner never
notices it. They've had to track down a number of them in this area.



He made some adjustments to increase my signal levels to help offset the
effect of the high noise levels, and said they'd have a team searching all
the node connections in the evenings to find the offender.



It's something to consider if your operating is interrupted by poor internet
service from a cable connection, especially during "prime time" hours. A
slower connection may not be simply a heavily loaded system.  Indeed, I've
yet to notice any "system loading" my service.



73, Ron AC7AC





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-
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.1901 / Virus Database: 2109/4754 - Release Date: 01/19/12 

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Re: [Elecraft] Tuning AL-811H

[Bill Harris]

Ian:

With the key connected to the paddle input,  hold the key down on the dit side 
at 30-35 wpm. Then tune your PA.  The needles won't be bouncing all around the 
scale.To get an exact readinghold the dah side down at slowest speed you 
have.Works fine, lasts a long time.
Carry-on
Bill-w7kxb


  
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Re: [Elecraft] Tuning AL-811H

[Don Wilhelm]

Ian,

That is because you are using the paddle input.  Use the Hand Key 
input.  If you do not have a hand key, get yourself a 1/4 inch stereo 
plug - connect one wire to the tip and another to the shell - on the 
other end of those wires, put a pushbutton, or a toggle switch or 
whatever you desire to use - in any case, shorting the two wires 
together will cause the K3 to transmit in CW mode.

As has been mentioned already, you can also use TUNE, and there is a 
menu item to set the TUNE POWER should you choose to do that.

73,
Don W3FPR

On 1/19/2012 11:04 PM, Ian Kahn - Ham wrote:
> Jeff,
>
> When I try to use CW, all I get are transmitted dits or dahs.  The
> breaks register as zero output, so the needles on the amp bounce around
> and are hard to read.  Any suggestions on using CW to generate that
> continuous carrier out to the amp so that the needles don't bounce
> around and I can adjust it properly?
>
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[Elecraft] Internet RFI Issue

[Ron D'Eau Claire]

Since so many Hams today depend upon  their internet connection in the
"shack" I thought this might be of interest. 

 

A few weeks ago I started losing my internet service in the evenings. I have
a Charter cable connection that had provided consistent >20 MBs downloads
and >4 MBs upload speeds until then. Suddenly I was faced with evening
download rates of 1 or 2 MBs and uploads of a couple of KBps - not enough to
keep e-mail POP servers from timing out on short text messages!  The next
day everything was back to normal. 

 

I called Charter and they had a tech out to my place a couple of hours
later. He showed me the spectrum plots of my internet signal over a number
of days. Many evenings a huge surge of noise appeared that killed the S/N
ratio. 

 

He explained that they've had to chase a number of these down in recent
months. He said that it is often caused by a TV set with a direct internet
connection for watching streaming programming. He explained that poor design
causes some TVs to inject huge noise levels into the cable connection,
apparently when the cable connection is not in use so the owner never
notices it. They've had to track down a number of them in this area.

 

He made some adjustments to increase my signal levels to help offset the
effect of the high noise levels, and said they'd have a team searching all
the node connections in the evenings to find the offender.

 

It's something to consider if your operating is interrupted by poor internet
service from a cable connection, especially during "prime time" hours. A
slower connection may not be simply a heavily loaded system.  Indeed, I've
yet to notice any "system loading" my service. 

 

73, Ron AC7AC

 

 

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Re: [Elecraft] Tuning AL-811H

[Andy - UA0BA]

Hello !

To set up my amp mode using the DATA (FSK D) hit the PTT.

С уважением
 Моисеев Андрей - UA0BA
 г. Норильск ( RDA KK-66 )
 ua...@yandex.ru
 ua...@norcom.ru
 ICQ: 11727506

>I have a question about tuning an AL-811H amplifier with my K3.  When I
> used my FT-857D in the shack, I would tune to the antenna in FM mode.
> However, I don't have the FM filter on my K3.  I tried tuning the amp
> using AM, but I don't have that filter either.  So, what is the best
> mode to use that allows me to briefly transmit an uninterrupted carrier
> so I can get this amp set up and the settings written down?  BTW, after
> going through this, the saving for the KPA500/KAT500 will soon begin.
>
> Thanks everyone for the assist.
>
> 73,
>
> --Ian
> Ian Kahn, KM4IK
> Roswell, GA
> km4ik@gmail.com
> K3 #281, P3 #688

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[Elecraft] Tuning AL-811H

[John Harper]

You can program the power out of the K3 to be a specific value when you push & 
hold the XMIT/TUNE button. I have mine set for 5 watts for initial tune-up of 
the amp with a steady carrier.

John AE5X
http://www.ae5x.com/blog

>When I try to use CW, all I get are transmitted dits or dahs.  The 
>breaks register as zero output, so the needles on the amp bounce around

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Re: [Elecraft] Tuning AL-811H

[Ian Kahn - Ham]

Jeff,

When I try to use CW, all I get are transmitted dits or dahs.  The 
breaks register as zero output, so the needles on the amp bounce around 
and are hard to read.  Any suggestions on using CW to generate that 
continuous carrier out to the amp so that the needles don't bounce 
around and I can adjust it properly?

Thanks and 73,

--Ian
Ian Kahn, KM4IK
Roswell, GA
km4ik@gmail.com
K3 #281, P3 #688



On 1/19/2012 10:59 PM, Jeff Cochrane - VK4BOF wrote:
> Use CW mode
>
> 73 de
> Jeff Cochrane - VK4BOF
> East Innisfail
> QLD, Australia
> K3 #4257, P3 #1629, KPA-500 #161
>
> - Original Message - From: "Ian Kahn - Ham" 
> To: 
> Sent: Friday, January 20, 2012 1:51 PM
> Subject: [Elecraft] Tuning AL-811H
>
>
>> I have a question about tuning an AL-811H amplifier with my K3.  When 
>> I used my FT-857D in the shack, I would tune to the antenna in FM 
>> mode.  However, I don't have the FM filter on my K3.  I tried tuning 
>> the amp using AM, but I don't have that filter either.  So, what is 
>> the best mode to use that allows me to briefly transmit an 
>> uninterrupted carrier so I can get this amp set up and the settings 
>> written down?  BTW, after going through this, the saving for the 
>> KPA500/KAT500 will soon begin.
>>
>> Thanks everyone for the assist.
>>
>> 73,
>>
>> --Ian
>> Ian Kahn, KM4IK
>> Roswell, GA
>> km4ik@gmail.com
>> K3 #281, P3 #688
>>
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>>
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>> Please help support this email list: http://www.qsl.net/donate.html


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Re: [Elecraft] Tuning AL-811H

[Jeff Cochrane - VK4BOF]

Use CW mode

73 de
Jeff Cochrane - VK4BOF
East Innisfail
QLD, Australia
K3 #4257, P3 #1629, KPA-500 #161

- Original Message - 
From: "Ian Kahn - Ham" 
To: 
Sent: Friday, January 20, 2012 1:51 PM
Subject: [Elecraft] Tuning AL-811H


>I have a question about tuning an AL-811H amplifier with my K3.  When I 
> used my FT-857D in the shack, I would tune to the antenna in FM mode.  
> However, I don't have the FM filter on my K3.  I tried tuning the amp 
> using AM, but I don't have that filter either.  So, what is the best 
> mode to use that allows me to briefly transmit an uninterrupted carrier 
> so I can get this amp set up and the settings written down?  BTW, after 
> going through this, the saving for the KPA500/KAT500 will soon begin.
> 
> Thanks everyone for the assist.
> 
> 73,
> 
> --Ian
> Ian Kahn, KM4IK
> Roswell, GA
> km4ik@gmail.com
> K3 #281, P3 #688
> 
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[Elecraft] Tuning AL-811H

[Ian Kahn - Ham]

I have a question about tuning an AL-811H amplifier with my K3.  When I 
used my FT-857D in the shack, I would tune to the antenna in FM mode.  
However, I don't have the FM filter on my K3.  I tried tuning the amp 
using AM, but I don't have that filter either.  So, what is the best 
mode to use that allows me to briefly transmit an uninterrupted carrier 
so I can get this amp set up and the settings written down?  BTW, after 
going through this, the saving for the KPA500/KAT500 will soon begin.

Thanks everyone for the assist.

73,

--Ian
Ian Kahn, KM4IK
Roswell, GA
km4ik@gmail.com
K3 #281, P3 #688

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Re: [Elecraft] FS: WM-1(W-1)

[Robert 'RC' Conley]

Has been sold  Thanks for the bandwidth

-- 
RC
KC5WA
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Re: [Elecraft] kpa500

[Joe K2UF]

Don,

I had the same problem,  even after cataract surgery this week.  I bought a
white marking pen at the local stationary/hobby store and put a 1/4 in. dot
in the middle of each button.  Problem solved.

73 Joe K2UF

No trees were harmed in the sending of this e-mail; however, many electrons
were inconvenienced.


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of W2XB
Sent: Thursday, January 19, 2012 4:53 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] kpa500

Can't say enuff about the KPA500. Works like a charm. Smooth as silk!! Only
one thing bugs me.. hi hi
Wish the buttons were GRAY like the K3 and the P3. With my old eyes I have
to get up close at times to find the on button  :-))

Don...w2xb 

--
View this message in context:
http://elecraft.365791.n2.nabble.com/kpa500-tp7205529p7205529.html
Sent from the Elecraft mailing list archive at Nabble.com.
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[Elecraft] P3SVGA adaptor documentation/manual availability

[Jim - KE8G]

Hi All,

I am curious if anyone has seen or heard of any available documentation or
an owner's manual being available? Or installation instructions?  

 

I'd like to have them on hand and look at before my new toy arrives.

 

73 de Jim - KE8G

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Re: [Elecraft] Clear Plexiglas Case for W1 wattmeter

[Randy Moore]

I have several of Dave's enclosures. They are well designed and made!  Highly 
recommended!!

73,
Randy, KS4L 
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[Elecraft] FS: WM-1(W-1)

[Robert 'RC' Conley]

A WM1 SWR WATT METER  kit price $89.95 ( manual at )
$50 including priority mail shipping. Picture upon request. ship to US
addresses only.
WM-1 is excess to my needs Contact off reflector PLEASE

-- 
RC
KC5WA
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Re: [Elecraft] Clear Plexiglas Case for W1 wattmeter

[Dave Van Wallaghen]

Hi Glenn et al,

That would be me. Here is the link to my website: 
http://w8fgu.home.comcast.net

Just select the Mini-Module Enclosure tab and you'll see the enclosures 
I make for the various Elecraft mini-module products.

Although I haven't updated my website in quite sometime, I also started 
making enclosures for the other "test bench" modules i.e. XG2, NGen, 
2T-Gen etc. Don Wilhelm W3FPR, helped me out with a design for them that 
allows them to be stacked on top of each other when not in use to 
utilize less footprint on the bench. I have a couple of days off coming 
up, so I'll see if I can finally put something on the site about them.

If you have any questions about any of my products, don't hesitate to 
contact me through this email address.

And thanks to my friends who replied in my absence from the list in the 
last couple of days ;-)

HNY to all and 73,
Dave W8FGU



On 1/18/2012 10:31 PM, ghaf...@satx.rr.com wrote:
> Good evening , I recall there was a ham selling clear Plexiglas cases for a 
> W1 wattmeter. Does anyone remember the web site?
>
> Thanks , Glenn
> K5ZE
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[Elecraft] FS: K3/100/P3 rig - like new.

[Dohn Smythe]

I have for sale the following;

1.  K3/100 - serial #5131
2.  Kat3 - K3 ATU
3.  KTCXO3-1  -  K3 KCXO 1ppm f/w correction to 0.5ppm
4.  KXV#A - Rx Antenna, IF Out and Xverter Interface
5.  KFL3A-200 - K3 200 Hz, 5 pole filter
6.  Two KFL3A-500 - Two K3 500Hz filters(one for each receiver.  This rig has 
two)
7.  K3FLTMATCH - K3 5 pole matching to 40 Hz.
8.  KRX3 - K3 2nd RX Module
9.  KBPF3 - K3 General coverage module (outstanding out of band coverage)
10. P3 - K3 Panadapter 
11. KUSB - Universal Serial Bus Adapter
12. MH2 - Hand Held microphone for K2/K3

1 year ago I purchased this rig for $4388.00.  This entire rig is priced at 
$3350.00, shipped to you, to sell quickly.  If this rig has 3 hours of use I 
would be surprised.  It is just like new.  I have all the manuals and sheets of 
course.

I would be willing to meet someone half way for a person to person delivery.  
Within reason of course.

73
Dohn Smythe  N8EWY
n8...@comcast.net
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[Elecraft] [K3]. 60m feature

[Mike Rodgers]

Something I just stumbled onto is I have 5 60m frequencies and a mars? In 
memory. When I use the memories to change bands to get to 60m and hit 
M-v to put it in vfo mode. If I or I suppose anyone has the fine/coarse set to 
two decimals, turning vfo a will scroll thru the 60m channels just like it were 
in memory mode. Neat. 

73
Mike R

Sent from my spy ring

Amateur/Ham Radio KE5GBC
HF & Echolink
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Re: [Elecraft] Tracking down S9+ noise on 40M

[Bill Hammond]

My biggie was the dishwasher...documented here: 
http://www.flickr.com/photos/ak5x/6595335923/in/photostream
Electronic motor control seems to be the latest QRN maker, or would Plasma TV's 
win that award?...My noise was from DC to Daylight all bands S9.  The P3 was 
very handy in tracking this down.  

With a AM radio the buzz will get louder the closer you are to the offending 
device.  BC radios usually have some null points off the end of the ferrite BC 
antennas giving you some directivity.There are some tips in the ARRL RFI 
3rd edition that are helpful, as well as the AC Power Interference Handbook by 
Loftness, KB7KK.  These are good reference books to have. A quick glance at 
"The Handbook" index did not show RFI as a covered subject, but I may of missed 
it. 

Powering down the house is helpful but not if the offending device is on 
batteries :)


On Jan 18, 2012, at 9:41 PM, David Dietrich wrote:

> Hi All,
> 
> Could someone please explain the proper way to track down RF noise in and 
> around my house?  More often than not, I always have S9+ noise on 40 Meters, 
> making anything but really strong signals (S9+) audible above the noise.  I 
> have only had a few instances where the noise was below S9 on 40.  I know I 
> have to power down the house and then bring it up one circuit at a time with 
> my radio on battery power.  I also know I am supposed to use a handheld AM 
> radio to listen as I walk around the house.  I don't know what I should be 
> listening for, or where to tune on AM to hear what I am supposed to hear.  
> Now that I am getting back into operating more regularly, I would really like 
> to see where some of this noise is coming from; and reduce or eliminate it if 
> at all possible even if it means shutting something off while I am on the air.
> 
> 73,
> 
> David, KC9EHQ
> K1-4 s/n 2051
> K2/10 s/n 7164
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Bill Hammond
wham...@aol.com
Bill Hammond-AK5X
a...@mac.com
a...@sbcglobal.net
K3 #69
P3 #817
KPA500 # 149
K2/100 #4637
K1 #2033
KX1 #1023
T1

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[Elecraft] [P3] a little humor

[Eduardo González]

Today helping to my son with soap and shampoo after swimming training,
discovered a well-known bag, watch the photo:
http://www.edujose.org/P3-bag.jpg
My wife is quick, the P3 came just two days ago !
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Re: [Elecraft] Help

[Ted Bryant]

The "Home" link at the bottom of every posted message will take you to a
page with a link to the archives.

73, Ted W4NZ


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net]On Behalf Of Leigh L. Klotz Jr
WA5ZNU
Sent: Thursday, January 19, 2012 4:21 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Help


A list of all archives and web-based readers is here:

http://www.elecraft.com/elist.html

Leigh/WA5ZNU



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Re: [Elecraft] kpa500

[Andrew Faber]

I agree.  I'd like to see a replacement kit offered (ok to charge for it) 
with buttons that have some contrast.  Particularly in dim light, they are 
hard to see.
73, andy ae6y

-Original Message- 
From: Bob
Sent: Thursday, January 19, 2012 2:32 PM
To: W2XB
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] kpa500

That is nit-picking!  However I had the same thought about the buttons. 
Even if
not to get contrast
between the buttons and panel just to match for esthetics so it more closely
looks like the KPA500
was part of the set..   What color will they be on the KAT500?

I'd buy a new set for the KPA500 if they were offered.

Old eyes here too.  Sure will be happy when the already ordered SVGA adapter
shows up.

73,
Bob
K2TKex KN2TKR (1956) & K2TKR

On 1/19/2012 4:53 PM, W2XB wrote:
> Can't say enuff about the KPA500. Works like a charm. Smooth as silk!! 
> Only
> one thing bugs me.. hi hi
> Wish the buttons were GRAY like the K3 and the P3. With my old eyes I have
> to get up close at times to find the on button  :-))
>
> Don...w2xb
>
>
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[Elecraft] FOR SALE: KAT2 and KIO2 w/ cover

[Hunsdon Cary III]

FOR SALE:
(1) K2 QRP cover with KAT2 Internal ATU (two antenna connections) and KIO2 
Serial Interface; $195 shipped CONUS.
(2) DL-1 20-watt dummy load; $17 shipped CONUS.
Contact of line, please - see email address below.
73,
Cary, K4TM
Lynchburg VA
h3c...@gmail.com



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Re: [Elecraft] kpa500

[Bob]

That is nit-picking!  However I had the same thought about the buttons.  Even 
if 
not to get contrast
between the buttons and panel just to match for esthetics so it more closely 
looks like the KPA500
was part of the set..   What color will they be on the KAT500?

I'd buy a new set for the KPA500 if they were offered.

Old eyes here too.  Sure will be happy when the already ordered SVGA adapter 
shows up.

73,
Bob
K2TKex KN2TKR (1956) & K2TKR

On 1/19/2012 4:53 PM, W2XB wrote:
> Can't say enuff about the KPA500. Works like a charm. Smooth as silk!! Only
> one thing bugs me.. hi hi
> Wish the buttons were GRAY like the K3 and the P3. With my old eyes I have
> to get up close at times to find the on button  :-))
>
> Don...w2xb
>
>
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[Elecraft] kpa500

[W2XB]

Can't say enuff about the KPA500. Works like a charm. Smooth as silk!! Only
one thing bugs me.. hi hi
Wish the buttons were GRAY like the K3 and the P3. With my old eyes I have
to get up close at times to find the on button  :-))

Don...w2xb 

--
View this message in context: 
http://elecraft.365791.n2.nabble.com/kpa500-tp7205529p7205529.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Help

[Leigh L. Klotz Jr WA5ZNU]

A list of all archives and web-based readers is here:

http://www.elecraft.com/elist.html

Leigh/WA5ZNU


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Re: [Elecraft] Tracking down S9+ noise on 40M

[Eugene Balinski]

Printers.  They need to be **unplugged** and not just off.
  My HP blasts a lot of noise on 40 when just "off".  

Washing Machines, especiallly the new ones with micro
processors 

Door bell transformers.  Lots and lots  of stories there.
 Google is your friend.  

Outdoor Christmas lights although the season is over

Arcing/cracked power line insulators. See various QST
articles on how to track down and how to build an
Ultrasonic detectror.  One of the best ones was designed by
Jim Hanson W1TRC (SK).  Sometimes you can just stand
outside and hear them especially in wet/foggy wx.  

Street Lights although they usually only manifest
themselves at night

Bad flourscent light fixtures

touch lamps

Neon Lights if you live in a more urban environment

Electric fenses if you live in a rual area

These are just a few that come to mind.  Please do report
back to the group what/if you find.

73
K1NR




On Thu, 19 Jan 2012 13:02:42 -0500
 "Rich - K1HTV"  wrote:
> And don't forget ELECTRIC BLANKETS! I just found the
> source of a loud noise
> which appeared to be emanating from a neighbor's house.
> The noise source turned
> out to be an electric blanket with independent control
> boxes and control units
> (rotary controls). Each box was causing either a loud
> click every second or a
> loud AC buzz when the electric blanket's control was
> set to call for more
> heat. I took a portable Sony AM/FM/SW radio with me to
> the neighbor's house and
> walked around the inside the house with him. At the far
> end of the house the
> signal was moderately loud with the antenna collapsed
> while listening on 10
> Meters. When we got to the master bedroom, the signal got
> noticeably louder.
> Unplugging the AC from one box stopped one of the
> clicks/buzzes. Unplugging the
> second box produced silence. In the bedroom, the noises
> could also be heard on
> broadcast band frequencies, but were not very strongly in
> the AM BC band outside
> the house.
> 
> The frequencies with the strongest signal from a noise
> source is often related
> to the length of the wires attached to it. In this case,
> the signals seemed to
> peak on higher frequencies in the 6M and 10M bands. In
> the case of a noisy power
> line, where the wires are attached to arcing hardware are
> physically longer, you
> can expect to have stronger signals on the lower
> frequencies. But even with
> power lines, in addition to using an AM BC radio, it is
> often helpful to use a
> portable radio that can tune in the 108-130 MHz AM
> aircraft band to find noise
> sources on power line poles.
> 
> In your case, if you can hear the noise on a portable AM
> radio at the breaker
> panel, try killing power to one breaker at a time to see
> which one kills the
> noise. Good luck in playing noise detective!
> 
> 73,
> Rich - K1HTV
> 
> = = =
> 
> From: riese-k3...@juno.com [mailto:riese-k3...@juno.com] 
> Sent: Wednesday, January 18, 2012 22:49 PM
> To: kc9ehq2...@yahoo.com
> Cc: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Tracking down S9+ noise on 40M
> 
> light dimmers
> touch on off lamps
> plasma tv sets
> 
> bob k3djc
> 
> On Wed, 18 Jan 2012 19:41:33 -0800 (PST) David Dietrich
> 
> writes:
> > Hi All,
> > 
> > Could someone please explain the proper way to track
> down RF noise in 
> > and around my house?  
> .
> 
> > 
> > 73,
> > 
> > David, KC9EHQ
> 
> 
> 
>
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-
Web mail provided by NuNet, Inc. The Premier National provider.
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Re: [Elecraft] continuous dahs [end of thread]

[Eric Swartz - WA6HHQ, Elecraft]

Let's take this Ot discussion off list to keep the signal to noise ratio 
reasonable :-)

73,

Eric
List moderator
---
www.elecraft.com


On 1/19/2012 11:46 AM, Ken G Kopp wrote:
> FWIW, nothing heard in SW Montana with a Yagi @ 100' pointed East.
>
> 73!
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[Elecraft] continuous dahs

[Ken G Kopp]

FWIW, nothing heard in SW Montana with a Yagi @ 100' pointed East.

73!

Ken Kopp - K0PP
elecraftcov...@gmail.com
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Re: [Elecraft] continuous dahs

[Jack Smith]

S9+5 dB in Fairfax County VA (Washington DC area). Thought it might be 
ground wave but too much fading for that.

Jack K8ZOA


On 1/19/2012 2:16 PM, Pete Lascell wrote:
> At 1910Z,  Jan 19, 2012  received on K3, signal is S7-9 in Lynchburg VA, on
> dipole broadside to NE/SW.  Other strong signals on the band are S9+15 to 30
> over for comparison.
>
> Pete Lascell, W4WWQ
> Forest, VA
>
> - Original Message -
> From: "Lou Kolb"
> To: "elecraft"
> Sent: Thursday, January 19, 2012 12:08 PM
> Subject: [Elecraft] continuous dahs
>
>
>> Check your rigs, folks.  There's been a continuous string of dahs being
>> sent
>> on aprox 7.026 since at least yesterday morning.  It's s9 plus in
>> Northcentral Pennsylvania.  I can't imagine it's deliberate but it's still
>> going strong a day later.  I think  K3 could handle that kind of abuse.
>> 73,
>> Lou  WA3MIX
>> Lou Kolb
>> Voice-over Artist:
>> Radio/TV Ads, Video narrations
>> Messages On-hold:
>> www.loukolb.com
>
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Re: [Elecraft] continuous dahs

[Phil LaMarche]

Hear it weakly in Florida...

Philip LaMarche

 
727-944-3226
727-510-5038 Cell 
 www.w9dvm.com
K3 # 1605
KPA500 # 029
P3 #1480

 CCA 98-00827
CRA 1701
W9DVM
 

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Pete Lascell
Sent: Thursday, January 19, 2012 2:16 PM
To: elecraft; Lou Kolb
Subject: Re: [Elecraft] continuous dahs

At 1910Z,  Jan 19, 2012  received on K3, signal is S7-9 in Lynchburg VA, on
dipole broadside to NE/SW.  Other strong signals on the band are S9+15 to 30
over for comparison.

Pete Lascell, W4WWQ
Forest, VA

- Original Message -
From: "Lou Kolb" 
To: "elecraft" 
Sent: Thursday, January 19, 2012 12:08 PM
Subject: [Elecraft] continuous dahs


> Check your rigs, folks.  There's been a continuous string of dahs being 
> sent
> on aprox 7.026 since at least yesterday morning.  It's s9 plus in
> Northcentral Pennsylvania.  I can't imagine it's deliberate but it's still
> going strong a day later.  I think  K3 could handle that kind of abuse. 
> 73,
> Lou  WA3MIX
> Lou Kolb
> Voice-over Artist:
> Radio/TV Ads, Video narrations
> Messages On-hold:
> www.loukolb.com


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Re: [Elecraft] continuous dahs

[Pete Lascell]

At 1910Z,  Jan 19, 2012  received on K3, signal is S7-9 in Lynchburg VA, on 
dipole broadside to NE/SW.  Other strong signals on the band are S9+15 to 30 
over for comparison.

Pete Lascell, W4WWQ
Forest, VA

- Original Message - 
From: "Lou Kolb" 
To: "elecraft" 
Sent: Thursday, January 19, 2012 12:08 PM
Subject: [Elecraft] continuous dahs


> Check your rigs, folks.  There's been a continuous string of dahs being 
> sent
> on aprox 7.026 since at least yesterday morning.  It's s9 plus in
> Northcentral Pennsylvania.  I can't imagine it's deliberate but it's still
> going strong a day later.  I think  K3 could handle that kind of abuse. 
> 73,
> Lou  WA3MIX
> Lou Kolb
> Voice-over Artist:
> Radio/TV Ads, Video narrations
> Messages On-hold:
> www.loukolb.com


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[Elecraft] KX3 Cover by Rose

[stan levandowski]

Just received my KX3 dust cover from Rose.

It's striking to hold this cover in my hand and suddenly realize just 
how tiny this new "almost-equivalent-to-a-K3" radio is!  I've seen the 
pictures and the video but they don't make quite the impact that holding 
this cover makes.  It truly gets your attention!

Rose's workmanship, of course, is superb.  It's clear that a lot of 
extra work is involved with this KX3 cover.  It arrived in a box instead 
of an envelope because of its stiff, padded construction.

Now, if only my KX3 would arrive in time for my birthday on 2/19...

73, Stan WB2LQF

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Re: [Elecraft] [KX3 amp] 100/50

[Phillip Nichols]

The issue is regarding setting a MAXIMUM output limit. for Legal or 
Safety reasons!

In both cases - where accidental QRO could be consequential... Legally 
or health-wise.

In my case, I limit max power for my children's sake! In JA and UK's 
cases - there was a 50w Legal upper limit.

73/Phillip/N8AYE
-.  ---..  .-  -.--  .
 

David Christ said the following on 1/19/2012 1:11 PM:
> I don't understand.  With the K3/KPA500 there is no knob on the 
> KPA500 but if you want to change the power level you just turn the 
> power knob on the K3.  The K3 can remember that level the next time 
> you return to that band if you wish.  A power knob on the KPA500 
> would be redundant and superfluous.
>
> If the KX3 and its amplifier are set up similarly, and I suspect they 
> will be, then there is no need for the control. And anyway, putting 
> that control on the amp would constrain where you could place the amp 
> in order to use the power control.
>
> Does your issue arise because you want to use the amp with something 
> other than a KX3 and that other rig has no easy way to control its 
> output power?
>
> David K0LUM
>
> At 9:56 AM -0600 1/19/12, Richard Fjeld wrote:
>   
>> A power limit switch would be fine, but I would still want to have a 
>> linear control so that I could dial up my desired power level. 
>> Perhaps the limit control could be menu selectible.
>>
>> Dick, n0ce
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Re: [Elecraft] Help

[Mike]

http://elecraft.365791.n2.nabble.com/

73, Mike NF4L

On 1/19/2012 12:17 PM, w8crh wrote:
> Good Afternoon,  Can you give me  the address to find the Elecraft
> reflector archives?
> Tnx es VY73'
> Steve W8CRH
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Re: [Elecraft] Clear Plexiglas Case for W1 wattmeter

[Fred Jensen]

On 1/18/2012 7:31 PM, ghaf...@satx.rr.com wrote:
> Good evening , I recall there was a ham selling clear Plexiglas cases
> for a W1 wattmeter. Does anyone remember the web site?

Dave, W8FGU, w8fgu AT comcast DOT net  Really nice work, also made a 
really cool cover for my HexKey.  No financial interest, etc, etc, but 
Dave is a good friend.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2012 Cal QSO Party 6-7 Oct 2012
- www.cqp.org

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Re: [Elecraft] [KX3 amp] 100/50

[David Christ]

I don't understand.  With the K3/KPA500 there is no knob on the 
KPA500 but if you want to change the power level you just turn the 
power knob on the K3.  The K3 can remember that level the next time 
you return to that band if you wish.  A power knob on the KPA500 
would be redundant and superfluous.

If the KX3 and its amplifier are set up similarly, and I suspect they 
will be, then there is no need for the control. And anyway, putting 
that control on the amp would constrain where you could place the amp 
in order to use the power control.

Does your issue arise because you want to use the amp with something 
other than a KX3 and that other rig has no easy way to control its 
output power?

David K0LUM

At 9:56 AM -0600 1/19/12, Richard Fjeld wrote:
>A power limit switch would be fine, but I would still want to have a 
>linear control so that I could dial up my desired power level. 
>Perhaps the limit control could be menu selectible.
>
>Dick, n0ce
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[Elecraft] Help

[w8crh]

Good Afternoon,  Can you give me  the address to find the Elecraft 
reflector archives?
Tnx es VY73'
Steve W8CRH
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Re: [Elecraft] K3: KPA100 Squeal

[Geoff Wolf AB3LS]

For those wondering, here's a link to a recording I made of the sound back
when I was having a problem:
http://liltechdude.com/files/Recordings/kpa3squealrev2.mp3

I ran it through a spectral analyzer and produced this:
squeal.png (image/png)
202K

73 DE AB3LS

On Wed, Jan 18, 2012 at 3:06 PM, Joe Harris wrote:

> Thanks for the update, Geoff. I will contact Elecraft support to inquire
> about a possible PA replacement.
>
> 73
>
> Joe- N1QD
>
>
> On Wed, Jan 18, 2012 at 2:39 PM, Geoff Wolf AB3LS  > wrote:
>
>> I had some questions about this issue mailed to me.
>>
>> Here's my update.
>>
>> Elecraft sent me a replacement KPA100 and KPA I/O board, of which I
>> replaced myself.
>>
>> The new amplifier and I/O board fixed the problem. No more 12KHz
>> resonation
>> coming from the internals of the radio in test, low, and high power modes.
>> The closest thing I can compare the sound to is the electrical resonation
>> of a cathode ray tube in a TV, however, it's not as clean.
>>
>> Possibly a cold solder joint or bad connection between the amplifier and
>> I/O board? I don't know.
>>
>> 73
>> DE AB3LS
>>
>> On Fri, Jul 29, 2011 at 4:29 PM, Bill W4ZV  wrote:
>>
>> >
>> > AB3LS wrote:
>> > >
>> > > No go.
>> > >
>> > > Hooked the radio up to a gel cel battery and we're still getting the
>> > 12Khz
>> > > junk coming from something and the clicking between TX and RX.
>> > >
>> > > I made a longer recording of the 'junk' and posted it. Cycled between
>> TX
>> > > and
>> > > RX a few times using the manual TX button on the front. Then finished
>> off
>> > > with a few dits and dahs. All while in TX Test mode.
>> > >
>> > >
>> >
>> http://alien.liltechdude.com/files/index.php?dir=Recordings/&file=kpa3squealrev2.mp3
>> > >
>> > > Anyone from Elecraft have anything on this?
>> > >
>> >
>> > FYI I noticed the same on my #4717 kit (delivered last September).  I
>> > normally use headphones so I never noticed it before.  I believe ~12 kHz
>> > was
>> > getting into the DSP chain before the LPF mod to the DSP board was done
>> so
>> > perhaps that's a clue.  BTW I have no switching PS anywhere and this is
>> > definitely coming from the K3 itself.
>> >
>> > This would be VERY annoying to someone with good hearing in a quiet
>> shack.
>> > I can minimize it by slight head movement (standing waves) but that's
>> not a
>> > good solution.
>> >
>> > 73,  Bill
>> >
>> >
>> > --
>> > View this message in context:
>> >
>> http://elecraft.365791.n2.nabble.com/K3-KPA100-Squeal-tp6518460p6634869.html
>> > Sent from the Elecraft mailing list archive at Nabble.com.
>> > __
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>> >
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>> >
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>
>
>
> --
> Joe Harris, N1QD
>
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Re: [Elecraft] Tracking down S9+ noise on 40M

[Rich - K1HTV]

And don't forget ELECTRIC BLANKETS! I just found the source of a loud noise
which appeared to be emanating from a neighbor's house. The noise source turned
out to be an electric blanket with independent control boxes and control units
(rotary controls). Each box was causing either a loud click every second or a
loud AC buzz when the electric blanket's control was set to call for more
heat. I took a portable Sony AM/FM/SW radio with me to the neighbor's house and
walked around the inside the house with him. At the far end of the house the
signal was moderately loud with the antenna collapsed while listening on 10
Meters. When we got to the master bedroom, the signal got noticeably louder.
Unplugging the AC from one box stopped one of the clicks/buzzes. Unplugging the
second box produced silence. In the bedroom, the noises could also be heard on
broadcast band frequencies, but were not very strongly in the AM BC band outside
the house.

The frequencies with the strongest signal from a noise source is often related
to the length of the wires attached to it. In this case, the signals seemed to
peak on higher frequencies in the 6M and 10M bands. In the case of a noisy power
line, where the wires are attached to arcing hardware are physically longer, you
can expect to have stronger signals on the lower frequencies. But even with
power lines, in addition to using an AM BC radio, it is often helpful to use a
portable radio that can tune in the 108-130 MHz AM aircraft band to find noise
sources on power line poles.

In your case, if you can hear the noise on a portable AM radio at the breaker
panel, try killing power to one breaker at a time to see which one kills the
noise. Good luck in playing noise detective!

73,
Rich - K1HTV

= = =

From: riese-k3...@juno.com [mailto:riese-k3...@juno.com] 
Sent: Wednesday, January 18, 2012 22:49 PM
To: kc9ehq2...@yahoo.com
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Tracking down S9+ noise on 40M

light dimmers
touch on off lamps
plasma tv sets

bob k3djc

On Wed, 18 Jan 2012 19:41:33 -0800 (PST) David Dietrich 
writes:
> Hi All,
> 
> Could someone please explain the proper way to track down RF noise in 
> and around my house?  
.

> 
> 73,
> 
> David, KC9EHQ



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Re: [Elecraft] Tracking down S9+ noise on 40M

[W2BLC]

Excellent down to earth logical method - thanks for sharing.

Bill W2BLC

-- 
Sent from my blackboard - written in chalk

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[Elecraft] continuous dahs

[Lou Kolb]

Check your rigs, folks.  There's been a continuous string of dahs being sent 
on aprox 7.026 since at least yesterday morning.  It's s9 plus in 
Northcentral Pennsylvania.  I can't imagine it's deliberate but it's still 
going strong a day later.  I think  K3 could handle that kind of abuse.  73, 
Lou  WA3MIX
Lou Kolb
Voice-over Artist:
Radio/TV Ads, Video narrations
Messages On-hold:
www.loukolb.com 

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[Elecraft] FS: K2/10 $750

[TJ Campie]

It has finally come time to list my beloved K2.  It has served me well.  My
K2 is a SN 4000+ model.  It was built by Dale Parfit, W4OP.  It has the
KAT2 ATU (built by me) and the KSB2 Sideband module (built by me).  I will
also include the Icom hand mic that the rig is configured for.  It also has
the FT100 knob and will include the original knob if it is wanted by the
buyer.  I added an internal balun to the antenna 2 input which allows very
easy plug and play for balanced antennas.  It can be configured to be 1:1
just by moving the input wires and re-soldering.  I'll include a bit of
write up on how that should look.  It can be removed if desired.  I have
pictures of the mod for those interested.  I also installed some nice flip
up feet on the front that are lower than the provided bail, they are just
removed by unscrewing them.  I will include the factory bail as well.

In the sense of full disclosure, when assembling the SSB module, I did run
into a problem, I installed the wrong connector on the module (same sex as
the one on the board) and had to remove the one on the main board of the K2
which was very difficult and the board now is a bit "darker" in those
areas.  Electrically the board is fine and the SSB module works great,
Elecraft uses very high quality PCBs so there should be no problems.  Just
looks a bit wonky.

I am asking $750 which includes shipping and insurance to the US.
International folks can inquire for actual shipping costs.  Price includes:
the radio, manual, original knob, FT100 knob, original tilt bail, flip up
feet, internal balun, power cable (with power poles), Icom hand mic,
internal test probe.  Does not include the RF probe that came with the
kit.  I think that covers it.

Thanks for looking. 73.

TJ W0EA
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Re: [Elecraft] P3 Decoded CW and Data Modes

[Eric Swartz - WA6HHQ, Elecraft]

Both P3 Keyboard input and data display are high on our list as soon as 
the P3SVGA is out the door.

73,

Eric
---
www.elecraft.com


On 1/18/2012 5:22 PM, Phil Hystad wrote:
> I remember a while back there was some discussion about the P3 being used for 
> the display of decoded CW or Data Modes (RTTY, PSK31).
>
> Is this something that will be supported someday or was it just a rumor?  
> Almost hate to bring it up because I personally think that the KAT500, the 
> KX3, the KX3PA100 (is that is name) and so on are more important.  But, I am 
> curious.
>
> 73, phil, K7PEH
>
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Re: [Elecraft] K2 - noisy AF & RF Gain Controls

[William Eric McFadden]

Hello, Don.

Thanks for the quick reply.

I will open my K2--which is well below S/N 3000 and which wasn't built by
me--and determine if the Alternate AF Gain Wiring Mod has already been
performed. I will also order the two pots and install them when I perform
the mod.

I was happy to see in the reply from K2XT that the pots aren't
expensive--thanks, Rick.

Tnx es 73,

Eric, WD8RIF
http://home.frognet.net/~mcfadden/wd8rif/radio.htm

> Yes, the most likely problem is a faulty pot on both the AF Gain and the
> RF Gain.
>
> You are probably referring to mention of the Alternate AF Gain Wiring
> Mod.  If your K2 serial number is greater than 3000, it is already
> installed, but if your serial number is below that, you should change
> the wiring of the AF Gain control.
>
> That wiring change reduces the DC current flowing through the pot - and
> that wiring change will *not* cure an already noisy pot, but it will
> keep a good pot in good condition longer.




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[Elecraft] [KX3 amp] 100/50

[Richard Fjeld]

A power limit switch would be fine, but I would still want to have a linear 
control so that I could dial up my desired power level.  Perhaps the limit 
control could be menu selectible.

Dick, n0ce
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Re: [Elecraft] K2 - noisy AF & RF Gain Controls

[Don Wilhelm]

Eric,

Yes, the most likely problem is a faulty pot on both the AF Gain and the 
RF Gain.
You are probably referring to mention of the Alternate AF Gain Wiring 
Mod.  If your K2 serial number is greater than 3000, it is already 
installed, but if your serial number is below that, you should change 
the wiring of the AF Gain control.

That wiring change reduces the DC current flowing through the pot - and 
that wiring change will *not* cure an already noisy pot, but it will 
keep a good pot in good condition longer.

73,
Don W3FPR

On 1/19/2012 10:04 AM, William Eric McFadden wrote:
> Good day.
>
> My Revision A K2 has noisy AF and RF gain pots. More precisely, turning
> the AF gain pot produces scratchy audio and the turning the RF gain pot
> causes the audio to drop out momentarily.
>
> I've heard that the sort of behavior I'm seeing/hearing with the AF gain
> pot isn't necessarily caused by a faulty pot; if this is the case, which
> mod should I install before I think about replacing the pot?
>
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[Elecraft] K2 - noisy AF & RF Gain Controls

[William Eric McFadden]

Good day.

My Revision A K2 has noisy AF and RF gain pots. More precisely, turning
the AF gain pot produces scratchy audio and the turning the RF gain pot
causes the audio to drop out momentarily.

I've heard that the sort of behavior I'm seeing/hearing with the AF gain
pot isn't necessarily caused by a faulty pot; if this is the case, which
mod should I install before I think about replacing the pot?

Is the RF gain issue probably due to a failing pot?

Tnx es 73,

Eric, WD8RIF
http://home.frognet.net/~mcfadden/wd8rif/radio.htm

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[Elecraft] [KX3 amp] 100/50

[Johnny Siu]

Hello Rick,
 
May be a bit off-topic here.
 
I have no idea of how KPA500 sales volume compared with other competitors.  My 
choice of KPA500 is due to its ability of being portable and I don't need full 
1kw in my apartment operation condition.
 
My original intention is to get a SPE-1ka expert where is only slightly less 
than US$4000 here in VR2.  I consider SPE-1Ka is very value for money in my 
prospective (or in terms of $/watt) and also fulfill the ability to be 
portable.  However, I am using hamstick in a high rise apartment so that it is 
no way to operate full 1kw.  Therefore, I drop idea of SPE-1ka.  Bearing in 
mind, the total cost of Elecraft amplifier should be KPA500 + KAT500.
 
For similar reason, I sold my Icom ICPW-1 which was a strong work horse.  The 
sales proceed of my PW1 will be very much enough for me to buy any 500w linear 
amplifier.
 
The strengthen of JPY does give hard hit to Japanese manufacturer.  In terms of 
US$, street price of ICPW1 has been increased from US$3,900 to US$5,000 solely 
due to the rise of JPY.  Bearing in mind, ICPW1 delivers full 1kw RTTY.
 
Business culture of US and Japanese is different.  Both cultures have its own 
successful history depending on when and where.  In the early days of my 
business school in the universities, Just-in-time (no stock of spare parts) was 
given high regard.  Toyota has been a succesful example of Just-in-time. 
However, after the tsunami last year, most Japanese manufacturers exactly died 
on the hands of Just-in-time.
 
Hong Kong is some how a link between western and eastern culture.  We are 
hugely influenced by the British in terms of western ideas and at the same time 
have our own eastern values.  We are lucky enough to learn the good / bad of 
both cultures.  The composition of my radio shack fully reflect this.  I have 
the big ICOMs as station radios.  K3 is for portable  and QRV to outline 
islands - the smallest radio with true dual receivers.  The forthcoming KX3 
will be used as a man pack radio.  Lastly, I have a US$30 Chinese H/T for 
casual use.
 
Under digital mode, NUE-PSK modem is my choice for PSK31.  SCS pactor 3 modem 
is for airmail and winlink. 

TNX & 73,


Johnny VR2XMC



 從︰ Rick Stealey 
收件人︰ elecraft@mailman.qth.net 
傳送日期︰ 2012年01月19日 (週四) 9:15 PM
主題︰ Re: [Elecraft] [KX3 amp] 100/50
  


>To be fair, if the sales volume of elecraft products is in line with those 
>major Japanese ham radio manufacturers, it will be very difficult for both 
>Wayne and Eric to maintain the existing response time.

I'm not worried.  WHEN, (not IF) Elecraft sales volume exceeds the JA 
manufacturers, 
Wayne and Eric will have trained people to take care of customers.  They don't 
do 
everything themselves today.  They have great employees who work the same way 
they do.  
It's part of their culture, it's been that way from the start.

But that day might already be here Johnny.  How does the sales volume of 
KPA500s compare
with that of competing solid state amps?  You think the production line of JA 
amps just 
"might" have been scaled back in the past 6 months ? !

Rick  K2XT
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Re: [Elecraft] [KX3 amp] 100/50

[Rick Stealey]

>To be fair, if the sales volume of elecraft products is in line with those 
>major Japanese ham radio manufacturers, it will be very difficult for both 
>Wayne and Eric to maintain the existing response time.

I'm not worried.  WHEN, (not IF) Elecraft sales volume exceeds the JA 
manufacturers, 
Wayne and Eric will have trained people to take care of customers.  They don't 
do 
everything themselves today.  They have great employees who work the same way 
they do.  
It's part of their culture, it's been that way from the start.

But that day might already be here Johnny.  How does the sales volume of 
KPA500s compare
with that of competing solid state amps?  You think the production line of JA 
amps just 
"might" have been scaled back in the past 6 months ? !

Rick  K2XT


 
  
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[Elecraft] [KX3 amp] 100/50

[Johnny Siu]

Hello Rick,
 
To be fair, if the sales volume of elecraft products is in line with those 
major Japanese ham radio manufacturers, it will be very difficult for both 
Wayne and Eric to maintain the existing response time.
 
Of course, as a customer, I appreciate very much the service level offered by 
Elecraft.

TNX & 73,


Johnny VR2XMC



 從︰ Rick Stealey 
收件人︰ elecraft@mailman.qth.net 
傳送日期︰ 2012年01月19日 (週四) 7:34 PM
主題︰ Re: [Elecraft] [KX3 amp] 100/50
  


> 
> Wow! What a quick feed back.
> This is Elecraft quality that we love :)
> Thank you Wayne & Elecraft.
> 73
> Atsu, JE1TRV
> 

Hi Atsu,  Do you get 41 minute response from the chief designer at your local 
radio manufacturers?  !!!

No committees, no design review, no marketing studies, no cost/benefit 
analysis, just customer satisfaction.
Or maybe Wayne IS all the above - he just did it in the 41 minutes.

K2XT
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Re: [Elecraft] [KX3 amp] 100/50

[Rick Stealey]

> 
> Wow! What a quick feed back.
> This is Elecraft quality that we love :)
> Thank you Wayne & Elecraft.
> 73
> Atsu, JE1TRV
> 

Hi Atsu,  Do you get 41 minute response from the chief designer at your local 
radio manufacturers?  !!!

No committees, no design review, no marketing studies, no cost/benefit 
analysis, just customer satisfaction.
Or maybe Wayne IS all the above - he just did it in the 41 minutes.

K2XT


  
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Re: [Elecraft] [KX3 amp]

[David Ferrington, M0XDF]

That would be good, since the intermediate license in the UK limits ops to 50w 
too. A great way to buy a good rig for the future and remove the link when they 
get the full license.
73 de David, M0XDF (K3 #174, P3 #108)
-- 
A child, like your stomach, doesn't need all you can afford to give it.
-Frank A. Clark, writer (1911- )

On 19 Jan 2012, at 01:47, Wayne Burdick wrote:

> Hi Atsu,
> 
> We could provide a jumper or switch in the KXPA100 to limit power to  
> 50 watts.
> 
> Thanks for the suggestion.
> 
> 73,
> Wayne
> N6KR
> 
> 
> On Jan 18, 2012, at 5:06 PM, JE1TRV wrote:
> 
>>> From JA
>> I'd like to suggest Elecraft to prepare 50W version amp for KX3  
>> since the
>> max.power allowed for prtable operation is 50W in JA.
>> Small internal swith to select 100/50W might be nice idea for that.
>> 
>> BTW
>> Thank you very much Elecraft for accepting direct order from JA.
>> 
>> Atsu, JE1TRV

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Re: [Elecraft] Build quality of K3 regarding controlknobsandswitches?

[David Ferrington, M0XDF]

I have to agree with Jim, I tune the same way too - knobs are superb afaic and 
I'd rather spend my money on more Elecraft kit :-)
73 de David, M0XDF (K3 #174, P3 #108)
-- 
I never did a day's work in my life; it was all fun. -Thomas Edison

On 19 Jan 2012, at 04:56, Jim Miller KG0KP wrote:

> I didn't buy them and I won't.  I like the originals.  I tune by rolling my 
> fingertip around the outer edge of the knob to turn it so I apply almost no 
> pressure at all to the knob even turning it rapidly.  I set my tension to 
> nearly zero on the build as that is what I want.  Larger or heavier knobs 
> would be totally counterproductive for me.  I like the original look and 
> feel as well and do NOT want to mess it up the looks of my K3, everything 
> matches very nicely.

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