[Elecraft] KAT-500

[Gary Gregory]

*Um, what happened to the KAT-500?

guess with all the excitement with the KX3 nobody left to finish the
ATU...:-(

Sigh.

Gary
*
-- 
Gary
VK4FD - Motorhome Mobile
Elecraft Equipment
K3 #679, KPA-500 #018
Living the dream!!!
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Re: [Elecraft] Medium size monitor for P3

[David Christ]

More information from the Elecraft group brain.

This too looks like it meets Doug's needs.  But now the price is down 
to $150.  They include a wall wart but I would power it off my 
regular 12 volt supply.

Way to go Bob

David K0LUM

At 7:36 PM -0700 3/27/12, k7hbg @dslextreme.com wrote:
>Hi David;
>
>  Check out this monitor at
>http://www.short-circuit.com/product/vm80l.htmlA couple user vids
>there and great specs. unless my ooold eyeballs deceive
>me.
>
>Best regards, Bob
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Re: [Elecraft] KX3 shipping status update

[Steve KC8QVO]

Well tomorrow brings the 28th. No e-mail today.

Steve, KC8QVO

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Re: [Elecraft] P3 VGA - How to use it

[David Christ]

You raise a good point here.  Here is a true life story about visual 
angle.  I worked at a company where they gave a bunch of clerical 
types 21 inch monitors.  They hated them.  The application was 3270 
emulation for reading character output from a mainframe.  Because 
they were fairly close to their faces and wide the visual angle was 
wide.  They had to move their head side to read the screens.

The point is, the bigger the monitor, the further away it should be 
to see the whole thing.  A 10 inch monitor might actually be a pretty 
effective size.  Bigger is not always better.  Elecraft owners know 
that.

David  K0LUM

At 6:40 PM -0700 3/27/12, ai6ii wrote:
>Impressive as the P3 Large Screen version is to look at, I wonder what it is
>like to use. That is, with the P3 and mini screen, my eyes are viewing the
>screen and the controls in close proximity. I can watch my finger press the
>FN3 (set to center the MRK A), reach to the right slightly and turn the
>SELECT knob to the signal I wish to pounce on next, while still seeing the
>signals on the mini screen. Then a quick push of FN4 (programmed to QSY to
>save wear and tear on the Select knob), and I see see the K3 jump to the new
>frequency centered in the P3 screen. This operation is constant for me
>(except when using CW Skimmer to control the K3 frequency) and my eyes never
>leave my handsor whatever the saying is.
>
>Seriously, I am having a difficult time imagining how it would be if the
>screen I had my eyes on was large and above the P3, while the control
>buttons like REF LVL and SPAN, the FN keys and the Select knob were in well
>down away from the screen and I had to keep moving my eyes between the two
>to 'make the P3 work it magic'. Is this a problem for anyone, or is it just
>me?
>
>The reason I ask is because the bucks I have saved for the yet to be offered
>KAT500 seem to be burning a hole in my pocket and may be trying to get me to
>buy P3VGA while I wait!
>
>..mike AI6II
>
>--
>View this message in context: 
>http://elecraft.365791.n2.nabble.com/P3-VGA-How-to-use-it-tp7411994p7411994.html
>Sent from the Elecraft mailing list archive at Nabble.com.
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[Elecraft] Medium size monitor for P3

[k7hbg @dslextreme.com]

Hi David;

 Check out this monitor at
http://www.short-circuit.com/product/vm80l.htmlA couple user vids
there and great specs. unless my ooold eyeballs deceive
me.

Best regards, Bob
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Re: [Elecraft] Dxing and contests, the P3

[goldtr8]

Hi Mike,

For this contest I can export an ADIF file and use a program 
ADIF2Cabrillo that I found on the internet.

For other contests I have had to export an ADIF and import it into N1M1 
(spelling?) logger and export the cabrillo.   I am waiting for HRD to 
state if for sure they will have the cabrillo output as this will tip me 
over to purchase the 6.0 version of software.

Cheers
Don

~73
Don
KD8NNU


On Tue, Mar 27, 2012 at 10:00 PM, Mike wrote:

> What a refreshing and uplifting message, Bill. I couldn't agree with 
> you
> more. The only thing that could possible make my most  recent return 
> to ham
> radio (on and off since getting my first ticket in 1964) two years ago 
> with
> the great improvements in technology (Elecraft K-line is at the top of 
> my
> personal list) is better sunspots for a longer than predicted time! 
> With a
> small lot and very limited antenna options, chasing dx during the big 
> cw
> contests takes all of my toys interoperating together to keep my 
> confirmed
> countries list moving along. Now if I could only figure out how to get 
> HRD
> to produce a contest log in an acceptable submission format, I could 
> send
> more of my contest results in. Of course my category would be single 
> op,
> assisted, high power (KPA500) and I wouldn't be in the running for 
> anything.
> But still...
>
>
> You are right. It is a wonderful world, Bill.
>
>
> 73, ..mike AI6II
>
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Re: [Elecraft] Koss Headsets for the K3 (Was: Re: Yamaha CM500

[Joe Subich, W4TV]

> I thought about going the Radio Shack electret element route myself.
> The only reason I didn't is I wanted the ability to use the headset
> with another radio besides the K3.

Since all of the "communications headsets" seem to have 3.5mm mic and
headphone jacks, one will need some kind of adapter to use them with
the "normal" 8 pin "Foster" and RJ-45 mic jacks.  Adapting an electret
element does not take anything more than a 5.6K resistor and a 1 uF
capacitor ... the cap goes in series with the mic line and the resistor
goes from the "fixed" 5 to 8 volt pin to the junction of the cap and
the mic element.  Those components can generally fit inside the 8-pin
mic plug along with a lead for PTT (to an RCA or 1/4" jack) and a
lead with 3.5mm jack for the mic.

You will need three such adapters ... one for "Kenwood", one for
Icom (no resistor or cap) and one for Yaesu/Ten-Tec ... in your kit
to cover all the rigs.  Similarly, it will take three RJ-45 adapters
- Kenwood TS-480, Yaesu (FT-817/857/897/900) and Icom (703/706/7000)
- to cover any eventuality.

The only difference is that the Kenwood and Yaesu/Ten-Tec adapters
will need the RC network for an electret mic whilst adapters for a
dynamic mic will require a (series) blocking capacitor for Icom rigs.

There is no significant difference in "degree of difficulty" building
adapters for an electret vs. dynamic mic.

73,

... Joe, W4TV


On 3/27/2012 9:53 PM, Gary K9GS wrote:
> Hello Joe,
>
> I thought about going the Radio Shack electret element route myself.
> The only reason I didn't is I wanted the ability to use the headset with
> another radio besides the K3.  Like at FD other contest stations, etc.
>
> But yours is a great suggestion.
>
>
>
> On 3/26/2012 10:14 AM, Joe Subich, W4TV wrote:
>>>   In doing the above mods to the SB40 you end up with a VERY comfortable
>>>   headset with a great sounding mic element.  I just could not get the
>>>   stock SB40 element to sound good.  The HC5 rocks.
>>
>> The alternative is to use one of the Radio Shack electret elements in
>> the SB-40 mic housing.  The electret elements are essentially the same
>> as the one in the CM-500 with performance similar to the new HC-6 -
>> broader than the HC 5.  With HC-5, HC-6 or an electret element one
>> will still want to use the K3 TS EQ to roll off audio below 200 Hz
>> and add 3 to 6 dB per octave of pre-emphasis above 800 Hz.
>>
>> 73,
>>
>>   ... Joe, W4TV
>>
>>
>> On 3/25/2012 3:11 PM, Gary K9GS wrote:
>>> Final post on my quest for the ultimate headset for my K3.
>>>
>>> First, a TON of thanks to Lu, W4LT.  His step-by-step for replacing the
>>> mic housing on the SB40 with the housing from a Heil BM10 was first rate!
>>>
>>> Here's what I ended up doing.
>>>
>>> I replaced the microphone housing on the SB40 with a microphone housing
>>> from a broken Heil BM10.  Heil still sells the housings and windscreens.
>>>
>>> In place of the crappy SB40 dynamic mic element I replaced it with a
>>> Heil HC5 that a friend had.  It's a pity that Heil no longer sells the
>>> HC4 and HC5 elements separately.  Ask around though...you'll find
>>> someone that has one laying around.
>>>
>>> In doing the above mods to the SB40 you end up with a VERY comfortable
>>> headset with a great sounding mic element.  I just could not get the
>>> stock SB40 element to sound good.  The HC5 rocks.
>>>
>>> By the way, I don't own a Yamaha CM500 but others have said it is
>>> identical to the SB40 except for the CM500 has an electret element and
>>> requires bias.
>>>
>>>
>>>
>>> On 3/17/2012 11:50 AM, Lu Romero wrote:
 Gary:

 I own both a Koss SB40 and two Yamaha CM500'ds.

 The Koss and the Yamaha are exactly identical, save for one
 thing... The microphone capsule.

 The Koss SB40 has a dynamic capsule while the Yamaha CM500
 has a electret condenser capsule.  Other than that, the
 headsets are exactly identical in every detail except for
 the name.  Probably made in the same Chinese jobber.

 But here is where the simialarity ends:  The Yamaha
 electrect capsule is flat and can be made to sound really
 great on the K3.  The Koss dynamic capsule is all bass, very
 mushy, and has low output.  Even engaging the K3 equalizers
 and tweaking a lot, I could not make my SB40 sound very good
 at all.  The capsule just sounds ugly.

 The fix for this is to remove the two screws that hold the
 capsule on the SB40's boom and remove the offending
 microphone that looks surprisingly like a cheap Chinese
 dynamic earphone (its actually the same exact size as a IPod
 headset element and looks identical!) and replace it.  In my
 case, I had an old Heil BM-5 with a bad earpiece but a
 perfectly good DX4 capsule.  I removed the plastic mic
 holder from the rigid Heil boom, and with a slight widening
 of the boom inlet with a Dremel tool, it fits right on to
 the SB40 boom!  Sold

Re: [Elecraft] P3 VGA - How to use it

[K8TB]

Ah, just wait. Aptos will be showing the P3 VGA-TS, for Touch Screen 
interface ;)

 tom k8tb

On 3/27/2012 9:40 PM, ai6ii wrote:
> Impressive as the P3 Large Screen version is to look at, I wonder what it is
> like to use. That is, with the P3 and mini screen, my eyes are viewing the
> screen and the controls in close proximity. I can watch my finger press the
> FN3 (set to center the MRK A),

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[Elecraft] Dxing and contests, the P3

[Mike]

What a refreshing and uplifting message, Bill. I couldn't agree with you
more. The only thing that could possible make my most  recent return to ham
radio (on and off since getting my first ticket in 1964) two years ago with
the great improvements in technology (Elecraft K-line is at the top of my
personal list) is better sunspots for a longer than predicted time! With a
small lot and very limited antenna options, chasing dx during the big cw
contests takes all of my toys interoperating together to keep my confirmed
countries list moving along. Now if I could only figure out how to get HRD
to produce a contest log in an acceptable submission format, I could send
more of my contest results in. Of course my category would be single op,
assisted, high power (KPA500) and I wouldn't be in the running for anything.
But still...

 

You are right. It is a wonderful world, Bill.

 

73, ..mike AI6II

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Re: [Elecraft] Koss Headsets for the K3 (Was: Re: Yamaha CM500

[Gary K9GS]

Hello Joe,

I thought about going the Radio Shack electret element route myself.  
The only reason I didn't is I wanted the ability to use the headset with 
another radio besides the K3.  Like at FD other contest stations, etc.

But yours is a great suggestion.



On 3/26/2012 10:14 AM, Joe Subich, W4TV wrote:
>   >  In doing the above mods to the SB40 you end up with a VERY comfortable
>   >  headset with a great sounding mic element.  I just could not get the
>   >  stock SB40 element to sound good.  The HC5 rocks.
>
> The alternative is to use one of the Radio Shack electret elements in
> the SB-40 mic housing.  The electret elements are essentially the same
> as the one in the CM-500 with performance similar to the new HC-6 -
> broader than the HC 5.  With HC-5, HC-6 or an electret element one
> will still want to use the K3 TS EQ to roll off audio below 200 Hz
> and add 3 to 6 dB per octave of pre-emphasis above 800 Hz.
>
> 73,
>
>  ... Joe, W4TV
>
>
> On 3/25/2012 3:11 PM, Gary K9GS wrote:
>> Final post on my quest for the ultimate headset for my K3.
>>
>> First, a TON of thanks to Lu, W4LT.  His step-by-step for replacing the
>> mic housing on the SB40 with the housing from a Heil BM10 was first rate!
>>
>> Here's what I ended up doing.
>>
>> I replaced the microphone housing on the SB40 with a microphone housing
>> from a broken Heil BM10.  Heil still sells the housings and windscreens.
>>
>> In place of the crappy SB40 dynamic mic element I replaced it with a
>> Heil HC5 that a friend had.  It's a pity that Heil no longer sells the
>> HC4 and HC5 elements separately.  Ask around though...you'll find
>> someone that has one laying around.
>>
>> In doing the above mods to the SB40 you end up with a VERY comfortable
>> headset with a great sounding mic element.  I just could not get the
>> stock SB40 element to sound good.  The HC5 rocks.
>>
>> By the way, I don't own a Yamaha CM500 but others have said it is
>> identical to the SB40 except for the CM500 has an electret element and
>> requires bias.
>>
>>
>>
>> On 3/17/2012 11:50 AM, Lu Romero wrote:
>>> Gary:
>>>
>>> I own both a Koss SB40 and two Yamaha CM500'ds.
>>>
>>> The Koss and the Yamaha are exactly identical, save for one
>>> thing... The microphone capsule.
>>>
>>> The Koss SB40 has a dynamic capsule while the Yamaha CM500
>>> has a electret condenser capsule.  Other than that, the
>>> headsets are exactly identical in every detail except for
>>> the name.  Probably made in the same Chinese jobber.
>>>
>>> But here is where the simialarity ends:  The Yamaha
>>> electrect capsule is flat and can be made to sound really
>>> great on the K3.  The Koss dynamic capsule is all bass, very
>>> mushy, and has low output.  Even engaging the K3 equalizers
>>> and tweaking a lot, I could not make my SB40 sound very good
>>> at all.  The capsule just sounds ugly.
>>>
>>> The fix for this is to remove the two screws that hold the
>>> capsule on the SB40's boom and remove the offending
>>> microphone that looks surprisingly like a cheap Chinese
>>> dynamic earphone (its actually the same exact size as a IPod
>>> headset element and looks identical!) and replace it.  In my
>>> case, I had an old Heil BM-5 with a bad earpiece but a
>>> perfectly good DX4 capsule.  I removed the plastic mic
>>> holder from the rigid Heil boom, and with a slight widening
>>> of the boom inlet with a Dremel tool, it fits right on to
>>> the SB40 boom!  Solder up the existing wires from the Koss
>>> mic and you have a wonderfully comfortable headset with a
>>> very flexible boom that, in my case, works great on my
>>> secondary Kenwood TS570 rig.
>>>
>>> Of course, YMMV, but it works for me here!
>>>
>>> Lu - W4LT
>>> Using the "AL/K-Line":  K3/P3/ALS600/MFJ998
>>> Al Kaline: 1960's Detroit Tigers Slugger
>>>
>>> -
>>>
>>> Message: 20
>>> Date: Thu, 15 Mar 2012 22:33:06 -0500
>>> From: Gary K9GS
>>> Subject: [Elecraft] Koss Headsets for the K3 (Was: Re:
>>> Yamaha CM500
>>>Headset)www
>>> To: elecraft@mailman.qth.net
>>> Message-ID:<4f62b472.6020...@wi.rr.com>
>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>>
>>> An update:
>>>
>>> I stopped by the Koss Factory Store today.  I looked at the
>>> SB49 first.
>>> (The SB45 is identical to the SB49 but without the volume
>>> control in the
>>> cord).  I didn't really like the way the SB49 fit.  It's a
>>> very
>>> subjective thing but comfort was what I was looking for.
>>> The other
>>> thing I didn't like was the flexible boom for the microphone
>>> was very
>>> "whippy".  It was almost like a wet noodle.  Not good.
>>>
>>> Next I looked at the SB40.  The fit was great and very
>>> comfortable for
>>> the 5 minutes I wore it.  The mic boom was stiffer too.  The
>>> SB40 has a
>>> dynamic mic element.  I ended up buying the SB40.  The price
>>> was $39.00
>>> plus sales tax.
>>>
>>> I was all set to buy a Yamaha CM500 but I really wanted to
>>> see how they
>>> fit

[Elecraft] P3 VGA - How to use it

[ai6ii]

Impressive as the P3 Large Screen version is to look at, I wonder what it is
like to use. That is, with the P3 and mini screen, my eyes are viewing the
screen and the controls in close proximity. I can watch my finger press the
FN3 (set to center the MRK A), reach to the right slightly and turn the
SELECT knob to the signal I wish to pounce on next, while still seeing the
signals on the mini screen. Then a quick push of FN4 (programmed to QSY to
save wear and tear on the Select knob), and I see see the K3 jump to the new
frequency centered in the P3 screen. This operation is constant for me
(except when using CW Skimmer to control the K3 frequency) and my eyes never
leave my handsor whatever the saying is.

Seriously, I am having a difficult time imagining how it would be if the
screen I had my eyes on was large and above the P3, while the control
buttons like REF LVL and SPAN, the FN keys and the Select knob were in well
down away from the screen and I had to keep moving my eyes between the two
to 'make the P3 work it magic'. Is this a problem for anyone, or is it just
me?

The reason I ask is because the bucks I have saved for the yet to be offered
KAT500 seem to be burning a hole in my pocket and may be trying to get me to
buy P3VGA while I wait!

..mike AI6II

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Re: [Elecraft] [KX3] Re: Status update on the KX3

[Jim Kvochick]

Got itI suspected something very similar in that "custom" can often be a
challenge.  
 
Thanks for taking the time to reply.  I'm confident your days are being
consumed on "other things"
 
73
 
Jim WB8AZP
 

  _  

From: k...@yahoogroups.com [mailto:k...@yahoogroups.com] On Behalf Of Eric
Swartz - WA6HHQ, Elecraft
Sent: Tuesday, March 27, 2012 7:52 PM
To: James kvochick
Cc: Wayne Burdick; Elecraft Reflector; k...@yahoogroups.com
Subject: [KX3] Re: [Elecraft] Status update on the KX3


  

HI Jim,

Possibly at some point in the future, but not right now. We're consumed 
just getting the regular KX3 production flow started.

It actually costs us more to special handle leaving out a manual from 
standard production, due to the time for unique handling and additional 
work order paperwork needed to keep everyhting straight in the 
manufacturing and inventory processes.

73,

Eric
---
www.elecraft.com

On 3/27/2012 3:25 PM, James kvochick wrote:
> Is it worth exploring the notion of being able to opt out of a printed
manual? I have plenty of resources here to print and bind my own
>
> I think I have seen some of this on an older thread.
>
> 73
>
> Jim WB8AZP
>


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Re: [Elecraft] Status update on the KX3

[W7GJ, Lance]

I think I speak for all of us when I agree wholeheartedlytake the time you 
need!!!  GL and VY 73, Lance



On 3/27/2012 9:26 PM, Eugene Balinski [via Elecraft] wrote:
> Wayne,
>
> Thanks for the updates. We certainly understand and
> really appreciate your attention to quality. We would all
> rather have them right than fast...
>
> 73
> Gene K1NR
>
>
> On Tue, 27 Mar 2012 11:31:45 -0700
> Wayne Burdick <[hidden email] 
> > wrote:
>
>  > Hi all,
>  >
>  > It's highly likely that we'll be shipping some KX3s by
>  > the end of this
>  > week. We have all the parts and finished assemblies, and
>  > we're putting
>  > things together and testing as we speak. With a complex
>  > new product it
>  > takes time to work out the manufacturing and test issues,
>  > but our
>  > "throughput" should increase rapidly.
>  >
>  > Those who receive the first batch of KX3s should be aware
>  > of a few
>  > things:
>  >
>  > - Some firmware features are still being added or
>  > improved, and we
>  > could be releasing new beta code as often as every few
>  > days. You can
>  > load new code whenever you find it convenient.
>  >
>  > - There are some last-minute hardware items that will be
>  > shipped after
>  > the radio itself. This includes the battery charger
>  > (probably a few
>  > weeks away). Any such items will be very easy to install.
>  >
>  > - The printed owner's manual will initially be at
>  > revision A3. The
>  > electronic version of the manual will be updated much
>  > more often,
>  > including the errata sheet. Of course the electronic
>  > version is also
>  > searchable.
>  >
>  > - Because of last-minute changes, the first edition of
>  > the kit
>  > assembly manual is probably out another week. We have to
>  > test the
>  > assembly and configuration procedures to make sure
>  > everything is
>  > working.
>  >
>  > No doubt we've overlooked a few things in firmware or
>  > documentation.
>  > We'll answer any questions as quickly as possible. But
>  > we're very much
>  > looking forward to getting your KX3s shipped!
>  >
>  > 73,
>  > Wayne
>  > N6KR
>  >
>  >
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Re: [Elecraft] Status update on the KX3

[Eric Swartz - WA6HHQ, Elecraft]

HI Jim,

Possibly at some point in the future, but not right now. We're consumed 
just getting the regular KX3 production flow started.

It actually costs us more to special handle leaving out a manual from 
standard production, due to the time for unique handling and additional 
work order paperwork needed to keep everyhting straight in the 
manufacturing and inventory processes.

73,

Eric
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On 3/27/2012 3:25 PM, James kvochick wrote:
> Is it worth exploring the notion of being able to opt out of a printed 
> manual?  I have plenty of resources here to print and bind my own
>
> I think I have seen some of this on an older thread.
>
> 73
>
> Jim WB8AZP
>
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[Elecraft] Dxing and contests, the P3

[William Levy]

Gents,

I am 63. licensed the for 50 years. Got a pin unrequested from the ARRL for
being a 50 year member.

What I learned in the days of young adult hood, while younguns napped, was
that my Collins 51S1 on top of a KWM2A worked wonders at splitting the
chores of DXing and searching with the transceiver 'who was where working
that guy'. Now it's all in  K3.

Now we have internet spotting, CW spotting, P3 Panadaptors and for me the
brave me new world and I think it should all be legal. I don't know how to
make soap, wagon wheels, vacuum tubes or lightbulbs.

Imagine in WW2 if the vacuum tube guys with SW receivers could have had a
panadaptor and bandspread to watch a Mcs (no not a Mhz, how dumb is a
herz?) on a computer that could have recorded a whole Mcs. at a time for
review and playback to Churchill or Roosevelt. To hell with Stalin!

Taking the war idea forward, all is fair in love and war. We couldn't have
won Midway without breaking the codes.

So my feeling is let the younguns have their P3s and their Code Skimmers
and Spotting because that's the new world. Let it all be legal.

Us old guys will need the young turks to show us how it's done now. It is
all amazing to me.
Imagine a radio that has learning curve. Yay the list.

What a wonderful world we live in.

73, Bill N2WL
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Re: [Elecraft] [Elecraft_K3] P3SVGA

[Adrian]

One big advantage I see with the P3SGA monitor besides the obvious, is to have 
a 2 minute history trail in the waterfall.

I have timed it to exactly 2 minutes, and is about 4 times the history you see 
on the P3 direct.

Handy if you just came back into the shack with a coffee etc.

Looking forward to "(Requires upcoming new release of P3SVGA firmware)" for mcu 
1.13.

Adrian ... vk4tux
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Re: [Elecraft] Re K3 power supply

[Phil & Debbie Salas]

I also got my Samlex 1235M from Radio Dan.  Have had it a couple of years. 
Works great.

Phil - AD5X 

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Re: [Elecraft] Status update on the KX3

[James kvochick]

Is it worth exploring the notion of being able to opt out of a printed manual?  
I have plenty of resources here to print and bind my own

I think I have seen some of this on an older thread.

73

Jim WB8AZP

Sent from my iPad

On Mar 27, 2012, at 2:31 PM, Wayne Burdick  wrote:

> Hi all,
> 
> It's highly likely that we'll be shipping some KX3s by the end of this  
> week. We have all the parts and finished assemblies, and we're putting  
> things together and testing as we speak. With a complex new product it  
> takes time to work out the manufacturing and test issues, but our  
> "throughput" should increase rapidly.
> 
> Those who receive the first batch of KX3s should be aware of a few  
> things:
> 
> - Some firmware features are still being added or improved, and we  
> could be releasing new beta code as often as every few days. You can  
> load new code whenever you find it convenient.
> 
> - There are some last-minute hardware items that will be shipped after  
> the radio itself. This includes the battery charger (probably a few  
> weeks away). Any such items will be very easy to install.
> 
> - The printed owner's manual will initially be at revision A3. The  
> electronic version of the manual will be updated much more often,  
> including the errata sheet. Of course the electronic version is also  
> searchable.
> 
> - Because of last-minute changes, the first edition of the kit  
> assembly manual is probably out another week. We have to test the  
> assembly and configuration procedures to make sure everything is  
> working.
> 
> No doubt we've overlooked a few things in firmware or documentation.  
> We'll answer any questions as quickly as possible. But we're very much  
> looking forward to getting your KX3s shipped!
> 
> 73,
> Wayne
> N6KR
> 
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Re: [Elecraft] Re K3 power supply

[~BG~]

As somebody who uses one of the PowerWerx, it's decent.  Like the Samlex,
the most noise seems to be the fan more than anything else.

./ben
W6MCM

On Tue, Mar 27, 2012 at 1:47 PM, DGB  wrote:

> Of course, everyone has their own experiences indeed. YMMV! In addition,
> the PowerWerx looks so similar, I'd have to wonder if it isn't also
> built by Samlex, I know they make them for Rat Shak, and under other
> names as well!
>
> 73 Dwight NS9I
>
>
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Re: [Elecraft] RFI With KPA500 Full Output on 40m

[Jim Bennett]

Problem solved!

I tried a little aluminum shielding on the control box (the plastic one that 
supports their wireless sensors), and that was a waste of time. I gave it a 
shot while waiting for my delivery of ferrite cores from Mouser. Didn't cost 
anything and was worth a try.

The security system RFI was cured by inserting, at the vertical's feed point, a 
choke made from a stack of five ferrite cores (Fair-Rite part number 
263180033802) with seven turns of RG-8X passing through the stack. I cranked 
the KPA500 up to 550 watts and not a sound was heard from that alarm system. 
Cool.

A side benefit to this was that I have a lower SWR at my desired "sweet spots" 
on 40 - 10 meters. So, placing the string of five ferrite beads on the coax 
(per a manufacturer's "RFI Kit"), simply wasn't getting the job done. The five 
mix 31 cores from Fair-Rite (actually from Mouser) did the trick.

Thanks for everyone's suggestions! And especially thanks for the good 
information on K9YC's web pages.

73, Jim / W6JHB


On   Sunday, Mar 18, 2012, at  Sunday, 8:51 AM, Jim Brown wrote:

> On 3/18/2012 7:05 AM, Jim Sheldon wrote:
>> I trip every GFI outlet in the house.  I haven't found enough big snap-on 
>> ferrites to hit all the romex coming out of the panel, but when I do, I'll 
>> certainly put 'em on.  A really big one that would snap around the incoming 
>> line at the panel would be nice, but so far I haven't found a source of snap 
>> on's that I can afford.  Not sure either on what material would be best for 
>> that.
> 
> As was noted in another post, the ones that trip are defective (poor 
> design). The solution is to replace them with GOOD ones.
> 
> As K2VCO noted, ferrite beads clamped onto a wire are next to USELESS 
> for HF RFI.  Ferrite chokes work by adding a parallel resonance in 
> series with the wire that they surround, and a single bead or clamp-on 
> is resonant around 150 MHz. To make it useful at HF we must move the 
> resonance down to the HF bands by winding multiple turns through it.
> 
> Study http://audiosystemsgroup.com/RFI-Ham.pdf  for a detailed 
> explanation and lots of detailed advice.
> 
> 73, Jim Brown K9YC
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Re: [Elecraft] K3 Filter questions

[WILLIS COOKE]

Jim, I think you will find that it is true for the K3 because the roofing 
filter is selected by the DSP filter setting if you have the correct filters 
entered.  You could, I suppose fool the software by entering the wrong filters 
in the setup, but the K3 will switch when the DSP setting crosses the roofing 
filter bandwidth. This may not be true for brands K,Y,I or T and I don't know 
about the K2, K1 etc. 
Willis 'Cookie' Cooke 
K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart



 From: Jim Brown 
To: elecraft@mailman.qth.net 
Sent: Tuesday, March 27, 2012 1:33 PM
Subject: Re: [Elecraft] K3 Filter questions
 
On 3/27/2012 11:12 AM, k.i...@comcast.net wrote:
> I am pretty sure the DSP filter is effective only  if it is narrower than the 
> roofing filter.

Not at all true.  When reading K6LL's comments, bear in mind that he is 
a VERY good operator and engineer.  I value anything he has to say.

I posted yesterday that I had done almost the same thing -- told the K3 
that my 1.8 kHz filter was a 2 kHz filter so that it switches in at 2 
kHz -- and that I was pretty pleased with the result.

When there are multiple filters in any signal chain their responses 
combine (the proper engineering term is "cascade") so that the total 
filtering capability is that of both added together. This is most 
pronounced when two filters have approximately the same bandwidth and 
are set to the same frequency.  The way this works is that if filter #1 
is rejecting by 6 dB at a given off-frequency point and filter #2 is 
attenuating by 4 dB, the combined rejection will be 10 dB. This is 
approximately what K6LL and I are doing.

73, Jim K9YC

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Re: [Elecraft] Status update on the KX3

[Eugene Balinski]

Wayne,

   Thanks for the updates.  We certainly understand and
really appreciate your attention to quality.  We would all
rather have them right than fast...

73
Gene K1NR


On Tue, 27 Mar 2012 11:31:45 -0700
 Wayne Burdick  wrote:
> Hi all,
> 
> It's highly likely that we'll be shipping some KX3s by
> the end of this  
> week. We have all the parts and finished assemblies, and
> we're putting  
> things together and testing as we speak. With a complex
> new product it  
> takes time to work out the manufacturing and test issues,
> but our  
> "throughput" should increase rapidly.
> 
> Those who receive the first batch of KX3s should be aware
> of a few  
> things:
> 
> - Some firmware features are still being added or
> improved, and we  
> could be releasing new beta code as often as every few
> days. You can  
> load new code whenever you find it convenient.
> 
> - There are some last-minute hardware items that will be
> shipped after  
> the radio itself. This includes the battery charger
> (probably a few  
> weeks away). Any such items will be very easy to install.
> 
> - The printed owner's manual will initially be at
> revision A3. The  
> electronic version of the manual will be updated much
> more often,  
> including the errata sheet. Of course the electronic
> version is also  
> searchable.
> 
> - Because of last-minute changes, the first edition of
> the kit  
> assembly manual is probably out another week. We have to
> test the  
> assembly and configuration procedures to make sure
> everything is  
> working.
> 
> No doubt we've overlooked a few things in firmware or
> documentation.  
> We'll answer any questions as quickly as possible. But
> we're very much  
> looking forward to getting your KX3s shipped!
> 
> 73,
> Wayne
> N6KR
> 
>
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Re: [Elecraft] Medium size monitor for P3?

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

Yep.  That's why I asked!!!
73, doug


On 27-Mar-12 20:53, David Christ wrote:
> Somehow I have become the focus on this although it was Doug N6TQS that
> had the need
>
>
> I don't need a large monitor for the P3, but would like a 7-10" display.
> Are there such monitors available anywhere? I've not had any luck in
> finding one.
>
> 73, doug
>
>
>
> Good show Frank, you win the prize. I knew if we kept at it we would
> find something for Doug. Another example of the power of the Elecraft
> community.
>
> I looked at the specs on these units and although their native
> resolution is lower they appear to deal with input VGA resolutions of
> 1024x768 up to 1600x1200. Looks like they should play well with the
> P3SVGA. Another neat feature is that they will power off the same 12
> volts as the P3 and K3. 1 amp or so. This would fit into a field day or
> emergency station. Even the possibility of running the whole station off
> a solar panel charging a battery.
>
> Only one downside item. They are a bit pricey at over $200. But what
> price happiness?
>
> David K0LUM
>
>
> At 11:56 AM -0700 3/27/12, W6NEK wrote:
>> Hi Dave,
>> Xenarc makes a series of small 7" TFT LCD displays that have both AV
>> inputs and VGA input. The XENARC 700TSV model supports screen
>> resolutions from 640 x 480 thru 1600 x 1200. This model is a 7 inch
>> touch screen but they make non touch versions also.
>> Expensive but work as advertised:
>> http://www.xenarc.com/product/700ts.html
>>
>> 73,
>> Frank - W6NEK
>>
>> - Original Message -
>> From: "David Christ" 
>> To: "Joel Black" ; <":"@mailman.qth.net>
>> Sent: Tuesday, March 27, 2012 11:20 AM
>> Subject: Re: [Elecraft] Medium size monitor for P3?
>>
>>
>>> All these small monitors seem to have one thing in common. The
>>> horizontal resolution is standard but the vertical is less than
>>> normal. For example, instead of 1024x768 the 8,9" is 1024x600. I do
>>> not see that resolution listed for the P3SVGA. In addition, neither
>>> of these monitors have VGA connectors. They connect to a computer
>>> with USB and there is a special driver loaded to send the video over
>>> USB. I do not think there are any plans for the P3SVGA to send out a
>>> video signal over USB.
>>>
>>> Unfortunately my statement still stands. I hope someone can prove it
>>> wrong.
>>>
> So far 10 inch or less, 1024x768 minimum, and VGA input seems to be a
> null set. Doesn't mean such a unit doesn't exist, but finding one
>>> isn't easy.
>>>
>>> I will say this. The resolution on the P3 display is 480x272 so
>>> 800x480 should display things quite nicely. But that said, that
>>> resolution is not supported by the P3 nor the USB connectivity.
>>>
>>> The other small monitors I found had reduced vertical resolution and
>>> composite input (RCA jack). Still not compatible with the P3SVGA.
>>> Please correct me if I am wrong Altos.
>>>
>>> Keep looking guys.
>>>
>> > David K0LUM
>
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Re: [Elecraft] OT -- a lifetime of ham radio

[Jack Berry]

Well said Tony. Thank you!

Jack - WE5ST





From: Tony Estep 
To: Elecraft 
Sent: Tue, March 27, 2012 2:52:36 PM
Subject: [Elecraft] OT -- a lifetime of ham radio

I think of myself as an old-timer, and I suppose that in fact I am,
having been licensed for 54+ years. I've been inactive for long
periods, but have always retained an interest in ham radio and it has
provided fun and stimulation throughout my life.

But the other night I got a glimpse into what it means to be a real
old-timer. I worked Nasir, AP2NK, and afterward I looked him up on
QRZ. There's not much detail: a picture of him looking earnest in a
business suit and red tie, and an address in Islamabad; but there's
his birthdate, 1926. Wow, the guy is on the air, sending pretty
nice-sounding code with a straight key, at age 86. His signal was
barely audible, suggesting a barefoot rig and perhaps a dipole in the
crowded environs of Pakistan's capital city.

If you live long enough, you have a lot of experiences (or as Yogi
sez, you can observe a lot by watching). Nasir's experiences are way
beyond what many of us see in our lives. He lived through the
partition years as a young adult, and was already 21 when Pakistan
came into existence as a country. Did he operate a radio then? Or
during all the later turmoil and upheavals?

Whatever the case, it's sort of inspirational to hear him on the air,
tapping out QSOs to the few North Americans who noticed his faint
dits, and imagining that he'll still be doing it when he's 100. He
must still be having fun, or he wouldn't do it, would he. So I guess
my point is that there's something about sending your signals off into
the ether to bounce whither they will, that stays with you for a long
time.

73,
Tony KT0NY



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Re: [Elecraft] Medium size monitor for P3?

[David Christ]

Somehow I have become the focus on this although it was Doug N6TQS 
that had the need


I don't need a large monitor for the P3, but would like a 7-10" display.
Are there such monitors available anywhere? I've not had any luck in
finding one.

73, doug



Good show Frank, you win the prize.  I knew if we kept at it we would 
find something for Doug.  Another example of the power of the 
Elecraft community.

I looked at the specs on these units and although their native 
resolution is lower they appear to deal with input VGA resolutions of 
1024x768 up to 1600x1200.  Looks like they should play well with the 
P3SVGA.  Another neat feature is that they will power off the same 12 
volts as the P3 and K3.  1 amp or so.  This would fit into a field 
day or emergency station.  Even the possibility of running the whole 
station off a solar panel charging a battery.

Only one downside item.  They are a bit pricey at over $200.  But 
what price happiness?

David K0LUM


At 11:56 AM -0700 3/27/12, W6NEK wrote:
>Hi Dave,
>Xenarc makes a series of small 7" TFT LCD displays that have both AV 
>inputs and VGA input.  The XENARC 700TSV model supports screen 
>resolutions from 640 x 480 thru 1600 x 1200.  This model is a 7 inch 
>touch screen but they make non touch versions also.
>Expensive but work as advertised:
>http://www.xenarc.com/product/700ts.html
>
>73,
>Frank - W6NEK
>
>- Original Message -
>From: "David Christ" 
>To: "Joel Black" ; <":"@mailman.qth.net>
>Sent: Tuesday, March 27, 2012 11:20 AM
>Subject: Re: [Elecraft] Medium size monitor for P3?
>
>
>>  All these small monitors seem to have one thing in common.  The
>>  horizontal resolution is standard but the vertical is less than
>>  normal.  For example, instead of 1024x768 the 8,9" is 1024x600.  I do
>>  not see that resolution listed for the P3SVGA.  In addition, neither
>>  of these monitors have VGA connectors.  They connect to a computer
>>  with USB and there is a special driver loaded to send the video over
>>  USB.  I do not think there are any plans for the P3SVGA to send out a
>>  video signal over USB.
>>
>>  Unfortunately my statement still stands.  I hope someone can prove it wrong.
>>
So far 10 inch or less, 1024x768 minimum, and VGA input seems to be a
null set.  Doesn't mean such a unit doesn't exist, but finding one
>>  isn't easy.
>>
>>  I will say this.  The resolution on the P3 display is 480x272 so
>>  800x480 should display things quite nicely.  But that said, that
>>  resolution is not supported by the P3 nor the USB connectivity.
>>
>>  The other small monitors I found had reduced vertical resolution and
>>  composite input (RCA jack).  Still not compatible with the P3SVGA.
>>  Please correct me if I am wrong Altos.
>>
>>  Keep looking guys.
>>
>  > David K0LUM
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[Elecraft] Plotter graph software for the Elecraft W2 Wattmeter.

[Martin Storli - LA8OKA]

Hi 
 
I have the W2 Watt meter, it's of course hooked up to my computer so that I can 
read the data on the W2 Utility Software.
The software is quite good, simple and informative user interface, but I miss 
one functionality, namely a plotter graph function that can plot the PEP values 
on a graph while transmitting.
Such plots are useful for analyzing transmitted power.
If there are someone on this list that is capable of making such a software I 
think it would be a huge success.
Even better will be if it could be integrated in the already existing W2 
Utility Software.
The W2 serial commands are described here: 
http://www.elecraft.com/manual/Elecraft_W2_Serial_Interface_Commands_Rev_D.pdf
Other functions on the wish list for such a software would be two sliders that 
can be moved around on the plot for reading of values and for calculations of 
the average power.

Are there anyone on the list that's up for the challenge?

Best regards,

Martin Storli 
LA8OKA
Oslo, Norway 
 
ARCTICPEAK's Radio pages! 
http://www.arcticpeak.com/radio.htm
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Re: [Elecraft] Re K3 power supply

[DGB]

I've had the 1223 for 6-yrs no problems except the on/off sw went once, 
which they shipped me a new one for free. With that batting record, That 
is what led me to purchase the 1225m for the K-3.  We are talking 1000's 
of hrs. of operating time with lots of on/off gestures.

Of course, everyone has their own experiences indeed. YMMV! In addition, 
the PowerWerx looks so similar, I'd have to wonder if it isn't also 
built by Samlex, I know they make them for Rat Shak, and under other 
names as well!

73 Dwight NS9I



On 3/27/2012 11:44 AM, Joe Subich, W4TV wrote:
>   >  Like a Samlex 1235!
>
> Another noisy, failure prone switcher.  Give me the heavy iron *ANALOG*
> supply any day.
>
> 73,
>
>  ... Joe, W4TV
>
>
> On 3/27/2012 12:23 PM, Matt Zilmer wrote:
>> Like a Samlex 1235!
>>
>> matt W6NIA
>>
>> On Tue, 27 Mar 2012 11:56:56 -0400, you wrote:
>>
>>> On 3/27/2012 6:22 AM, Mike Rodgers wrote:
 While a 20a supply will get you by for the 100w radio,
>>> 20A might get by but the IMD will suffer badly when the supply drops
>>> out of regulation on voice peaks.  If the K3's current display is
>>> showing 16 - 17A steady state at 100W CW, one can be sure the short
>>> term peaks in SSB are greater than 25A.
>>>
>>> Give me a solid 25A CCS/35A ICAS analog supply set for 15.0V on the
>>> K3 any day.
>>>
>>> 73,
>>>
>>>  ... Joe, W4TV
>>>
>>>
>>> On 3/27/2012 6:22 AM, Mike Rodgers wrote:
 While a 20a supply will get you by for the 100w radio, a 30a will provide 
 "insurance". As Adrian pointed out adjustable voltage is a plus.
 Power distribution strips should be avoided as some have found too much 
 voltage drop with them. Run the k3 power direct.

 73
 Mike R

 Play me some fiddle, but no stinkin' violin!

 Amateur/Ham Radio KE5GBC
 HF&Echolink mobile
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[Elecraft] ELECRAFT K2/100 and KAT100 Loaded All Options

[BYRON]

K2  Serial #4670
K160RX
FDIMP
MH2 Hand -Mic
KNB2
KPA100
KSB2
KDSP
K60XV
KAT100
Reference Price today from ELECRAFT $2006.50  plus shipping.
I use this one daily , this is my 3rd K2 ,but my first fully loaded.  The
KPA100 seems to have some issue all bands have around 70 watts max. The base
K2 drive the RF out that is necessary,so this is why I believe the lower
power is in the KPA100, I run a legal limit amp with the K2 and with 50
watts in I get legal limit our so I havent really needed the extra. I mainly
operate CW and rarely have used the rig on SSB, I was on 10 meters last
weekend with another hand-mic, when I use the MH2 seems I get RF feedback
only on some bands like 40 and 80. I have the K2, KPA100, and the KAT100
manuals also the Nifty Manual .Someone will get a deal here ,I have Federal
income taxes due April 15th  ,the price is $1100.00 shipped FEDEX Ground...
You can then send it to Alan Wilcox or one of those guys to tune it up.I
have a few high res photos to send .
Byron / N4AX

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Re: [Elecraft] Re K3 power supply

[Pete Smith N4ZR]

Noisiest thing about my Samlex 1235M is the fan.  AD5X did an excellent, 
careful review of this supply right after it came out.  The data are there.

73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at 
reversebeacon.blogspot.com,
spots at telnet.reversebeacon.net, port 7000 and
arcluster.reversebeacon.net, port 7000


On 3/27/2012 12:44 PM, Joe Subich, W4TV wrote:
>   >  Like a Samlex 1235!
>
> Another noisy, failure prone switcher.  Give me the heavy iron *ANALOG*
> supply any day.
>
> 73,
>
>  ... Joe, W4TV
>
>
> On 3/27/2012 12:23 PM, Matt Zilmer wrote:
>> Like a Samlex 1235!
>>
>> matt W6NIA
>>
>> On Tue, 27 Mar 2012 11:56:56 -0400, you wrote:
>>
>>> On 3/27/2012 6:22 AM, Mike Rodgers wrote:
 While a 20a supply will get you by for the 100w radio,
>>> 20A might get by but the IMD will suffer badly when the supply drops
>>> out of regulation on voice peaks.  If the K3's current display is
>>> showing 16 - 17A steady state at 100W CW, one can be sure the short
>>> term peaks in SSB are greater than 25A.
>>>
>>> Give me a solid 25A CCS/35A ICAS analog supply set for 15.0V on the
>>> K3 any day.
>>>
>>> 73,
>>>
>>>  ... Joe, W4TV
>>>
>>>
>>> On 3/27/2012 6:22 AM, Mike Rodgers wrote:
 While a 20a supply will get you by for the 100w radio, a 30a will provide 
 "insurance". As Adrian pointed out adjustable voltage is a plus.
 Power distribution strips should be avoided as some have found too much 
 voltage drop with them. Run the k3 power direct.

 73
 Mike R

 Play me some fiddle, but no stinkin' violin!

 Amateur/Ham Radio KE5GBC
 HF&Echolink mobile
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Re: [Elecraft] Gamma Research HPS1-a Power Supply

[Craig Smith]

The Gamma power supply has been sold.  Thanks!

73CraigAC0DS

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[Elecraft] OT -- a lifetime of ham radio

[Tony Estep]

I think of myself as an old-timer, and I suppose that in fact I am,
having been licensed for 54+ years. I've been inactive for long
periods, but have always retained an interest in ham radio and it has
provided fun and stimulation throughout my life.

But the other night I got a glimpse into what it means to be a real
old-timer. I worked Nasir, AP2NK, and afterward I looked him up on
QRZ. There's not much detail: a picture of him looking earnest in a
business suit and red tie, and an address in Islamabad; but there's
his birthdate, 1926. Wow, the guy is on the air, sending pretty
nice-sounding code with a straight key, at age 86. His signal was
barely audible, suggesting a barefoot rig and perhaps a dipole in the
crowded environs of Pakistan's capital city.

If you live long enough, you have a lot of experiences (or as Yogi
sez, you can observe a lot by watching). Nasir's experiences are way
beyond what many of us see in our lives. He lived through the
partition years as a young adult, and was already 21 when Pakistan
came into existence as a country. Did he operate a radio then? Or
during all the later turmoil and upheavals?

Whatever the case, it's sort of inspirational to hear him on the air,
tapping out QSOs to the few North Americans who noticed his faint
dits, and imagining that he'll still be doing it when he's 100. He
must still be having fun, or he wouldn't do it, would he. So I guess
my point is that there's something about sending your signals off into
the ether to bounce whither they will, that stays with you for a long
time.

73,
Tony KT0NY



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Re: [Elecraft] KPA-500 AMP Question

[Don Wilhelm]

I think one important matter is being overlooked - when properly 
installed, the transformer will not move.  The fact that the screwhead 
is touching the plastic wrap on the transformer is likely OK.  If things 
do not move about, that spacing should stay the same.

73,
Don W3FPR

On 3/27/2012 3:25 PM, Scott Manthe wrote:
> Hi Dave,
> A quick Google search indicates that the KPA500 has been used on at
> least 5 DXpeditions that I've found: T2T, HK0NA, 5V7V, ZD8D, and J68/W0MU.
>
> Since the amp was designed specifically for that purpose in my, I'd be
> surprised if the design team let a potential issue like that survive the
> process. You might check the assembly manual again to see if it's
> possible you missed something.
>
> Regards,
> Scott, N9AA
>
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Re: [Elecraft] KPA-500 AMP Question

[Scott Manthe]

Hi Dave,
A quick Google search indicates that the KPA500 has been used on at 
least 5 DXpeditions that I've found: T2T, HK0NA, 5V7V, ZD8D, and J68/W0MU.

Since the amp was designed specifically for that purpose in my, I'd be 
surprised if the design team let a potential issue like that survive the 
process. You might check the assembly manual again to see if it's 
possible you missed something.

Regards,
Scott, N9AA


On 3/27/12 2:42 PM, Dave Anderson, K4SV wrote:
> Hi All,
>
> Still assembling my KPA-500  SN 436
>
> I am at the stage of installing the transformer and actually have installed 
> the transformer. Upon close inspection it appears that the front left (as 
> viewed from the front) foot held to the chassis bottom using pan head screws 
> may cause damage to the transformers windings.  The head of the screw closest 
> to the transformer, is directly under the transformer and when the 
> transformer is torqued down it rides on the screw.  The thin clear plastic 
> wrap is the only thing keeping the wire from contacting the screw head.  Yes 
> the transformer is up against the bumpers equally and installed per the 
> manual rev d.
>
> My plan was to take this amp on DXpeditions but it appears it would not last 
> one trip before the winding breaks through and touches the screw.
>
> Would anyone know if there is some preventative measures to keep the 
> transformer safe?  It would be a shame to find the transformer/amp damage 
> only to have it explode as you plug it in upon arrival to some rare DX place.
>
> At the very least these two screws should be flat head screws and have 
> countersunk holes.
>
> Suggestions?
>
> Thanks in advance,
>   
> Dave Anderson, K4SV
> Tryon, NC
>   828 777-5088
>   
> www.K4SV.com
> __
>

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Re: [Elecraft] KPA-500 AMP Question

[Ken Wagner K3IU]

Oops... sorry, Dave. I see now that you 
said that the interference is with the 
head of the screw which is correctly on 
the inside of the bottom cover. I have 
assembled 2 of the amps and have noticed 
this problem.
73,
Ken K3iU

On 3/27/2012 3:08 PM, Ken Wagner K3IU 
wrote:
> I think that you have put the screws 
> in the wrong way. See page 8 of the 
> Assembly Manual, particularly the bold 
> type sentences.
> 73, Ken K3iU
>
> On 3/27/2012 2:42 PM, Dave Anderson, 
> K4SV wrote:
>> Hi All,
>>
>> Still assembling my KPA-500  SN 436
>>
>> I am at the stage of installing the 
>> transformer and actually have 
>> installed the transformer. Upon close 
>> inspection it appears that the front 
>> left (as viewed from the front) foot 
>> held to the chassis bottom using pan 
>> head screws may cause damage to the 
>> transformers windings.  The head of 
>> the screw closest to the transformer, 
>> is directly under the transformer and 
>> when the transformer is torqued down 
>> it rides on the screw.  The thin 
>> clear plastic wrap is the only thing 
>> keeping the wire from contacting the 
>> screw head.  Yes the transformer is 
>> up against the bumpers equally and 
>> installed per the manual rev d.
>>
>> My plan was to take this amp on 
>> DXpeditions but it appears it would 
>> not last one trip before the winding 
>> breaks through and touches the screw.
>>
>> Would anyone know if there is some 
>> preventative measures to keep the 
>> transformer safe?  It would be a 
>> shame to find the transformer/amp 
>> damage only to have it explode as you 
>> plug it in upon arrival to some rare 
>> DX place.
>>
>> At the very least these two screws 
>> should be flat head screws and have 
>> countersunk holes.
>>
>> Suggestions?
>>
>> Thanks in advance,
>>   Dave Anderson, K4SV
>> Tryon, NC
>>   828 777-5088
>>   www.K4SV.com
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Re: [Elecraft] Status update on the KX3

[Keith Heimbold]

Totally stoked!!!  Wish I didn't wait four days to place my order. Haha!

Thanks for the update, Wayne!

Keith
AG6AZ

Sent from my iPhone please excuse typos

On Mar 27, 2012, at 11:31 AM, "Wayne Burdick"  wrote:

> Hi all,
> 
> It's highly likely that we'll be shipping some KX3s by the end of this  
> week. We have all the parts and finished assemblies, and we're putting  
> things together and testing as we speak. With a complex new product it  
> takes time to work out the manufacturing and test issues, but our  
> "throughput" should increase rapidly.
> 
> Those who receive the first batch of KX3s should be aware of a few  
> things:
> 
> - Some firmware features are still being added or improved, and we  
> could be releasing new beta code as often as every few days. You can  
> load new code whenever you find it convenient.
> 
> - There are some last-minute hardware items that will be shipped after  
> the radio itself. This includes the battery charger (probably a few  
> weeks away). Any such items will be very easy to install.
> 
> - The printed owner's manual will initially be at revision A3. The  
> electronic version of the manual will be updated much more often,  
> including the errata sheet. Of course the electronic version is also  
> searchable.
> 
> - Because of last-minute changes, the first edition of the kit  
> assembly manual is probably out another week. We have to test the  
> assembly and configuration procedures to make sure everything is  
> working.
> 
> No doubt we've overlooked a few things in firmware or documentation.  
> We'll answer any questions as quickly as possible. But we're very much  
> looking forward to getting your KX3s shipped!
> 
> 73,
> Wayne
> N6KR
> 
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Re: [Elecraft] KPA-500 AMP Question

[Ken Wagner K3IU]

I think that you have put the screws in 
the wrong way. See page 8 of the 
Assembly Manual, particularly the bold 
type sentences.
73, Ken K3iU

On 3/27/2012 2:42 PM, Dave Anderson, 
K4SV wrote:
> Hi All,
>
> Still assembling my KPA-500  SN 436
>
> I am at the stage of installing the transformer and actually have installed 
> the transformer. Upon close inspection it appears that the front left (as 
> viewed from the front) foot held to the chassis bottom using pan head screws 
> may cause damage to the transformers windings.  The head of the screw closest 
> to the transformer, is directly under the transformer and when the 
> transformer is torqued down it rides on the screw.  The thin clear plastic 
> wrap is the only thing keeping the wire from contacting the screw head.  Yes 
> the transformer is up against the bumpers equally and installed per the 
> manual rev d.
>
> My plan was to take this amp on DXpeditions but it appears it would not last 
> one trip before the winding breaks through and touches the screw.
>
> Would anyone know if there is some preventative measures to keep the 
> transformer safe?  It would be a shame to find the transformer/amp damage 
> only to have it explode as you plug it in upon arrival to some rare DX place.
>
> At the very least these two screws should be flat head screws and have 
> countersunk holes.
>
> Suggestions?
>
> Thanks in advance,
>   
> Dave Anderson, K4SV
> Tryon, NC
>   828 777-5088
>   
> www.K4SV.com
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Re: [Elecraft] Status update on the KX3

[Tony Estep]

On Tue, Mar 27, 2012 at 1:31 PM, Wayne Burdick  wrote:
>the first edition of the kit
> assembly manual is probably out another week
==
Presumably that means that kit shipments won't start until a week or
so after assembled KX3s. Ah well, this is still good news. Thanks to
Wayne for the update. Can't wait to get started building..!

73,
Tony KT0NY

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Re: [Elecraft] Medium size monitor for P3?

[W6NEK]

Hi Dave,
Xenarc makes a series of small 7" TFT LCD displays that have both AV inputs and 
VGA input.  The XENARC 700TSV model supports screen resolutions from 640 x 480 
thru 1600 x 1200.  This model is a 7 inch touch screen but they make non touch 
versions also.
Expensive but work as advertised:
http://www.xenarc.com/product/700ts.html 

73,
Frank - W6NEK

- Original Message - 
From: "David Christ" 
To: "Joel Black" ; <":"@mailman.qth.net>
Sent: Tuesday, March 27, 2012 11:20 AM
Subject: Re: [Elecraft] Medium size monitor for P3?


> All these small monitors seem to have one thing in common.  The 
> horizontal resolution is standard but the vertical is less than 
> normal.  For example, instead of 1024x768 the 8,9" is 1024x600.  I do 
> not see that resolution listed for the P3SVGA.  In addition, neither 
> of these monitors have VGA connectors.  They connect to a computer 
> with USB and there is a special driver loaded to send the video over 
> USB.  I do not think there are any plans for the P3SVGA to send out a 
> video signal over USB.
> 
> Unfortunately my statement still stands.  I hope someone can prove it wrong.
> 
>>>So far 10 inch or less, 1024x768 minimum, and VGA input seems to be a
>>>null set.  Doesn't mean such a unit doesn't exist, but finding one
> isn't easy.
> 
> I will say this.  The resolution on the P3 display is 480x272 so 
> 800x480 should display things quite nicely.  But that said, that 
> resolution is not supported by the P3 nor the USB connectivity.
> 
> The other small monitors I found had reduced vertical resolution and 
> composite input (RCA jack).  Still not compatible with the P3SVGA. 
> Please correct me if I am wrong Altos.
> 
> Keep looking guys.
> 
> David K0LUM
> 
> 
> 
> At 5:44 AM -0500 3/27/12, Joel Black wrote:
>>I thought someone would have mentioned these:
>>
>>7" 800x480: http://www.newegg.com/Product/Product.aspx?Item=N82E16824185013
>>
>>8.9" 1024x600: http://www.newegg.com/Product/Product.aspx?Item=N82E16824185014
>>
>>I found these for sale from the UK:
>>
>>http://www.esaw.co.uk/
>>
>>So, yes, they're out there.
>>
>>Joel - W4JBB
>>
>>On 3/26/2012 7:04 PM, David Christ wrote:
>>>Eric says 1024x768 looks good, however the headrest units seem to
>>>have resolutions of 1440x234 or 480x234 which seems to be rather low
>>>in the vertical resolution.  Also none of them seem to have VGA
>>>inputs.  Composite seems to be the rule.
>>>
>>>So far 10 inch or less, 1024x768 minimum, and VGA input seems to be a
>>>null set.  Doesn't mean such a unit doesn't exist, but finding one
>>>isn't easy.
>>>
>>>Lets all keep on looking.
>>>
>>>David K0LUM
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[Elecraft] KAT500

[Charles]

Any news?

Charles - M0BIN
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[Elecraft] KPA-500 AMP Question

[Dave Anderson, K4SV]

Hi All,

Still assembling my KPA-500  SN 436

I am at the stage of installing the transformer and actually have installed the 
transformer. Upon close inspection it appears that the front left (as viewed 
from the front) foot held to the chassis bottom using pan head screws may cause 
damage to the transformers windings.  The head of the screw closest to the 
transformer, is directly under the transformer and when the transformer 
is torqued down it rides on the screw.  The thin clear plastic wrap is the only 
thing keeping the wire from contacting the screw head.  Yes the transformer is 
up against the bumpers equally and installed per the manual rev d.

My plan was to take this amp on DXpeditions but it appears it would not last 
one trip before the winding breaks through and touches the screw.

Would anyone know if there is some preventative measures to keep the 
transformer safe?  It would be a shame to find the transformer/amp damage only 
to have it explode as you plug it in upon arrival to some rare DX place.

At the very least these two screws should be flat head screws and have 
countersunk holes.

Suggestions?

Thanks in advance,

Dave Anderson, K4SV
Tryon, NC
 828 777-5088

www.K4SV.com  
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[Elecraft] KPA-500 AMP Question

[Dave Anderson, K4SV]

Hi All,

Still assembling my KPA-500  SN 436

I am at the stage of installing the transformer and actually have installed the 
transformer. Upon close inspection it appears that the front left (as viewed 
from the front) foot held to the chassis bottom using pan head screws may cause 
damage to the transformers windings.  The head of the screw closest to the 
transformer, is directly under the transformer and when the transformer 
is torqued down it rides on the screw.  The thin clear plastic wrap is the only 
thing keeping the wire from contacting the screw head.  Yes the transformer is 
up against the bumpers equally and installed per the manual rev d.

My plan was to take this amp on DXpeditions but it appears it would not last 
one trip before the winding breaks through and touches the screw.

Would anyone know if there is some preventative measures to keep the 
transformer safe?  It would be a shame to find the transformer/amp damage only 
to have it explode as you plug it in upon arrival to some rare DX place.

At the very least these two screws should be flat head screws and have 
countersunk holes.

Suggestions?

Thanks in advance,
 
Dave Anderson, K4SV
Tryon, NC
 828 777-5088
 
www.K4SV.com
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Re: [Elecraft] K3 Filter questions

[Thomas Horsten]

I haven't looked at the spec for the 1.8 filter but I second what Dave was
saying, the specified filter bandwidths are (I think) -3dB and the curve is
obviously not completely straight down, so there is still signals outside
the passband.

I have told my K3 that the 400Hz CW filters are really 500Hz, which means
the 2.1kHz filter only kicks in when I move above 500Hz, which allows me a
slightly wider passband e.g. when calling CQ, this works extremely well for
me, and from looking at the waterfall the extra 50Hz on each side are
getting through the filter well enough.

I'm sure operating the 1.8kHz filter as a 2.1 one would work as well,
although I never tried it myself, it might actually be a better setup than
the 2.1 filter for contest use.

73, Thomas M0TRN

On 27 March 2012 19:12,  wrote:

>
>
> I am pretty sure the DSP filter is effective only  if it is narrower than
> the roofing filter. In your setup the DSP filter is pretty much  turned
> off. Please, don't forget, the crystal filters in K3 are ROOFING filters,
> they are protecting next IF stages and the DSP from strong near by signals,
> improving dynamic range . The main filtering is done in DSP. There is white
> paper on the matter somewhere on Elecraft web site (by Eric S).
>
>
>
> 73,
>
> Igor, N1YX
>
>
>
> - Original Message -
>
>
> From: "Dave Hachadorian" 
> To: "Elecraft Reflector" 
> Sent: Tuesday, March 27, 2012 12:52:51 PM
> Subject: Re: [Elecraft] K3 Filter questions
>
> I used the 1.8 for the entire WPX SSB contest, with a DSP width
> of 2.1 KHz.  It sounded great.  I never messed with any of the
> settings for the entire contest.  To get this combination of
> DSP=2.1 and crystal=1.8, one has to install the 1.8 filter as if
> it were a 2.1, so it switches in at DSP=2.1.  This installation
> setup is most easily done using the K3 Utility.  In practice,
> normalize, then use high cut until the filter switches in.  To
> me, the audio sounds best using that technique.  WPX SSB is
> traditionally the worst-case QRM-fest, and the 1.8 filter was
> just the ticket for dealing with it.
>
> Dave Hachadorian, K6LL
> Yuma, Arizona
>
>
> >From experience, I had both the 2.1 and 1.8 fitted and by
> >judicious use of
> the Hi Cut/Lo Cut adjustment I find the 1.8 far better in
> practice.
>
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Re: [Elecraft] Re K3 power supply

[n5ge]

I have two Walt Williams (local Texas ham) 100 amp "heavy iron" DC supplies and
when I stop using them will be when they pry them from under my cold, dead
operating console ;o)

"Farmers rotate crops to keep their land strong.
Voters can keep THEIR LAND STRONG by rotating 
politicians at the ballot box each term."
-- Otis Mukinfus -- 
http://www.otismukinfus.com


On Tue, 27 Mar 2012 12:44:47 -0400, "Joe Subich, W4TV"  wrote:

>
> > Like a Samlex 1235!
>
>Another noisy, failure prone switcher.  Give me the heavy iron *ANALOG*
>supply any day.
>
>73,
>
>... Joe, W4TV

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Re: [Elecraft] K3 Filter questions

[Jim Brown]

On 3/27/2012 11:12 AM, k.i...@comcast.net wrote:
> I am pretty sure the DSP filter is effective only  if it is narrower than the 
> roofing filter.

Not at all true.  When reading K6LL's comments, bear in mind that he is 
a VERY good operator and engineer.  I value anything he has to say.

I posted yesterday that I had done almost the same thing -- told the K3 
that my 1.8 kHz filter was a 2 kHz filter so that it switches in at 2 
kHz -- and that I was pretty pleased with the result.

When there are multiple filters in any signal chain their responses 
combine (the proper engineering term is "cascade") so that the total 
filtering capability is that of both added together. This is most 
pronounced when two filters have approximately the same bandwidth and 
are set to the same frequency.  The way this works is that if filter #1 
is rejecting by 6 dB at a given off-frequency point and filter #2 is 
attenuating by 4 dB, the combined rejection will be 10 dB. This is 
approximately what K6LL and I are doing.

73, Jim K9YC

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[Elecraft] Status update on the KX3

[Wayne Burdick]

Hi all,

It's highly likely that we'll be shipping some KX3s by the end of this  
week. We have all the parts and finished assemblies, and we're putting  
things together and testing as we speak. With a complex new product it  
takes time to work out the manufacturing and test issues, but our  
"throughput" should increase rapidly.

Those who receive the first batch of KX3s should be aware of a few  
things:

- Some firmware features are still being added or improved, and we  
could be releasing new beta code as often as every few days. You can  
load new code whenever you find it convenient.

- There are some last-minute hardware items that will be shipped after  
the radio itself. This includes the battery charger (probably a few  
weeks away). Any such items will be very easy to install.

- The printed owner's manual will initially be at revision A3. The  
electronic version of the manual will be updated much more often,  
including the errata sheet. Of course the electronic version is also  
searchable.

- Because of last-minute changes, the first edition of the kit  
assembly manual is probably out another week. We have to test the  
assembly and configuration procedures to make sure everything is  
working.

No doubt we've overlooked a few things in firmware or documentation.  
We'll answer any questions as quickly as possible. But we're very much  
looking forward to getting your KX3s shipped!

73,
Wayne
N6KR

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Re: [Elecraft] Medium size monitor for P3?

[David Christ]

All these small monitors seem to have one thing in common.  The 
horizontal resolution is standard but the vertical is less than 
normal.  For example, instead of 1024x768 the 8,9" is 1024x600.  I do 
not see that resolution listed for the P3SVGA.  In addition, neither 
of these monitors have VGA connectors.  They connect to a computer 
with USB and there is a special driver loaded to send the video over 
USB.  I do not think there are any plans for the P3SVGA to send out a 
video signal over USB.

Unfortunately my statement still stands.  I hope someone can prove it wrong.

>>So far 10 inch or less, 1024x768 minimum, and VGA input seems to be a
>>null set.  Doesn't mean such a unit doesn't exist, but finding one
isn't easy.

I will say this.  The resolution on the P3 display is 480x272 so 
800x480 should display things quite nicely.  But that said, that 
resolution is not supported by the P3 nor the USB connectivity.

The other small monitors I found had reduced vertical resolution and 
composite input (RCA jack).  Still not compatible with the P3SVGA. 
Please correct me if I am wrong Altos.

Keep looking guys.

David K0LUM



At 5:44 AM -0500 3/27/12, Joel Black wrote:
>I thought someone would have mentioned these:
>
>7" 800x480: http://www.newegg.com/Product/Product.aspx?Item=N82E16824185013
>
>8.9" 1024x600: http://www.newegg.com/Product/Product.aspx?Item=N82E16824185014
>
>I found these for sale from the UK:
>
>http://www.esaw.co.uk/
>
>So, yes, they're out there.
>
>Joel - W4JBB
>
>On 3/26/2012 7:04 PM, David Christ wrote:
>>Eric says 1024x768 looks good, however the headrest units seem to
>>have resolutions of 1440x234 or 480x234 which seems to be rather low
>>in the vertical resolution.  Also none of them seem to have VGA
>>inputs.  Composite seems to be the rule.
>>
>>So far 10 inch or less, 1024x768 minimum, and VGA input seems to be a
>>null set.  Doesn't mean such a unit doesn't exist, but finding one
>>isn't easy.
>>
>>Lets all keep on looking.
>>
>>David K0LUM
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Re: [Elecraft] K3 Filter questions

[k . igor]

I am pretty sure the DSP filter is effective only  if it is narrower than the 
roofing filter. In your setup the DSP filter is pretty much  turned off. 
Please, don't forget, the crystal filters in K3 are ROOFING filters, they are 
protecting next IF stages and the DSP from strong near by signals, improving 
dynamic range . The main filtering is done in DSP. There is white paper on the 
matter somewhere on Elecraft web site (by Eric S). 



73, 

Igor, N1YX 



- Original Message -


From: "Dave Hachadorian"  
To: "Elecraft Reflector"  
Sent: Tuesday, March 27, 2012 12:52:51 PM 
Subject: Re: [Elecraft] K3 Filter questions 

I used the 1.8 for the entire WPX SSB contest, with a DSP width 
of 2.1 KHz.  It sounded great.  I never messed with any of the 
settings for the entire contest.  To get this combination of 
DSP=2.1 and crystal=1.8, one has to install the 1.8 filter as if 
it were a 2.1, so it switches in at DSP=2.1.  This installation 
setup is most easily done using the K3 Utility.  In practice, 
normalize, then use high cut until the filter switches in.  To 
me, the audio sounds best using that technique.  WPX SSB is 
traditionally the worst-case QRM-fest, and the 1.8 filter was 
just the ticket for dealing with it. 

Dave Hachadorian, K6LL 
Yuma, Arizona 


>From experience, I had both the 2.1 and 1.8 fitted and by 
>judicious use of 
the Hi Cut/Lo Cut adjustment I find the 1.8 far better in 
practice. 

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Re: [Elecraft] Re K3 power supply

[Greg]

I agree, but I have heard nothing but good comments about the small
PowerWerx supply.


On 3/27/12, Joe Subich, W4TV  wrote:
>
>  > Like a Samlex 1235!
>
> Another noisy, failure prone switcher.  Give me the heavy iron *ANALOG*
> supply any day.
>
> 73,
>
> ... Joe, W4TV
>
>
> On 3/27/2012 12:23 PM, Matt Zilmer wrote:
>> Like a Samlex 1235!
>>
>> matt W6NIA
>>
>> On Tue, 27 Mar 2012 11:56:56 -0400, you wrote:
>>
>>>
>>> On 3/27/2012 6:22 AM, Mike Rodgers wrote:
 While a 20a supply will get you by for the 100w radio,
>>>
>>> 20A might get by but the IMD will suffer badly when the supply drops
>>> out of regulation on voice peaks.  If the K3's current display is
>>> showing 16 - 17A steady state at 100W CW, one can be sure the short
>>> term peaks in SSB are greater than 25A.
>>>
>>> Give me a solid 25A CCS/35A ICAS analog supply set for 15.0V on the
>>> K3 any day.
>>>
>>> 73,
>>>
>>> ... Joe, W4TV
>>>
>>>
>>> On 3/27/2012 6:22 AM, Mike Rodgers wrote:
 While a 20a supply will get you by for the 100w radio, a 30a will
 provide "insurance". As Adrian pointed out adjustable voltage is a plus.
 Power distribution strips should be avoided as some have found too much
 voltage drop with them. Run the k3 power direct.

 73
 Mike R

 Play me some fiddle, but no stinkin' violin!

 Amateur/Ham Radio KE5GBC
 HF&   Echolink mobile
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>>
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Re: [Elecraft] Re K3 power supply

[DGB]

Great supply, especially the 1235M with the meters. Very quite and 
small. Radio Dan W7RF had the best price and was quick delivery when I 
got it a couple of months ago.

73 Dwight NS9I

On 3/27/2012 11:23 AM, Matt Zilmer wrote:
> Like a Samlex 1235!
>
> matt W6NIA
>
> On Tue, 27 Mar 2012 11:56:56 -0400, you wrote:
>
>> On 3/27/2012 6:22 AM, Mike Rodgers wrote:
>>> While a 20a supply will get you by for the 100w radio,
>> 20A might get by but the IMD will suffer badly when the supply drops
>> out of regulation on voice peaks.  If the K3's current display is
>> showing 16 - 17A steady state at 100W CW, one can be sure the short
>> term peaks in SSB are greater than 25A.
>>
>> Give me a solid 25A CCS/35A ICAS analog supply set for 15.0V on the
>> K3 any day.
>>
>> 73,
>>
>> ... Joe, W4TV
>>
>>
>> On 3/27/2012 6:22 AM, Mike Rodgers wrote:
>>> While a 20a supply will get you by for the 100w radio, a 30a will provide 
>>> "insurance". As Adrian pointed out adjustable voltage is a plus.
>>> Power distribution strips should be avoided as some have found too much 
>>> voltage drop with them. Run the k3 power direct.
>>>
>>> 73
>>> Mike R
>>>
>>> Play me some fiddle, but no stinkin' violin!
>>>
>>> Amateur/Ham Radio KE5GBC
>>> HF&   Echolink mobile
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft@mailman.qth.net
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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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Re: [Elecraft] K3 Filter questions

[Dave Hachadorian]

I used the 1.8 for the entire WPX SSB contest, with a DSP width 
of 2.1 KHz.  It sounded great.  I never messed with any of the 
settings for the entire contest.  To get this combination of 
DSP=2.1 and crystal=1.8, one has to install the 1.8 filter as if 
it were a 2.1, so it switches in at DSP=2.1.  This installation 
setup is most easily done using the K3 Utility.  In practice, 
normalize, then use high cut until the filter switches in.  To 
me, the audio sounds best using that technique.  WPX SSB is 
traditionally the worst-case QRM-fest, and the 1.8 filter was 
just the ticket for dealing with it.

Dave Hachadorian, K6LL
Yuma, Arizona


>From experience, I had both the 2.1 and 1.8 fitted and by 
>judicious use of
the Hi Cut/Lo Cut adjustment I find the 1.8 far better in 
practice.

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Re: [Elecraft] Re K3 power supply

[Joe Subich, W4TV]

 > Like a Samlex 1235!

Another noisy, failure prone switcher.  Give me the heavy iron *ANALOG*
supply any day.

73,

... Joe, W4TV


On 3/27/2012 12:23 PM, Matt Zilmer wrote:
> Like a Samlex 1235!
>
> matt W6NIA
>
> On Tue, 27 Mar 2012 11:56:56 -0400, you wrote:
>
>>
>> On 3/27/2012 6:22 AM, Mike Rodgers wrote:
>>> While a 20a supply will get you by for the 100w radio,
>>
>> 20A might get by but the IMD will suffer badly when the supply drops
>> out of regulation on voice peaks.  If the K3's current display is
>> showing 16 - 17A steady state at 100W CW, one can be sure the short
>> term peaks in SSB are greater than 25A.
>>
>> Give me a solid 25A CCS/35A ICAS analog supply set for 15.0V on the
>> K3 any day.
>>
>> 73,
>>
>> ... Joe, W4TV
>>
>>
>> On 3/27/2012 6:22 AM, Mike Rodgers wrote:
>>> While a 20a supply will get you by for the 100w radio, a 30a will provide 
>>> "insurance". As Adrian pointed out adjustable voltage is a plus.
>>> Power distribution strips should be avoided as some have found too much 
>>> voltage drop with them. Run the k3 power direct.
>>>
>>> 73
>>> Mike R
>>>
>>> Play me some fiddle, but no stinkin' violin!
>>>
>>> Amateur/Ham Radio KE5GBC
>>> HF&   Echolink mobile
>>> __
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Re: [Elecraft] P3 v1.13 firmware is now available

[Paul Saffren N6HZ]

Hi Igor, 

We found the higher baud rates unreliable with some combinations of
equipment. We'll be providing much better throughput in the future using
some form of data compression. 

73, 

Paul



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Re: [Elecraft] Re K3 power supply

[Matt Zilmer]

Like a Samlex 1235!

matt W6NIA

On Tue, 27 Mar 2012 11:56:56 -0400, you wrote:

>
>On 3/27/2012 6:22 AM, Mike Rodgers wrote:
> > While a 20a supply will get you by for the 100w radio,
>
>20A might get by but the IMD will suffer badly when the supply drops
>out of regulation on voice peaks.  If the K3's current display is
>showing 16 - 17A steady state at 100W CW, one can be sure the short
>term peaks in SSB are greater than 25A.
>
>Give me a solid 25A CCS/35A ICAS analog supply set for 15.0V on the
>K3 any day.
>
>73,
>
>... Joe, W4TV
>
>
>On 3/27/2012 6:22 AM, Mike Rodgers wrote:
>> While a 20a supply will get you by for the 100w radio, a 30a will provide 
>> "insurance". As Adrian pointed out adjustable voltage is a plus.
>> Power distribution strips should be avoided as some have found too much 
>> voltage drop with them. Run the k3 power direct.
>>
>> 73
>> Mike R
>>
>> Play me some fiddle, but no stinkin' violin!
>>
>> Amateur/Ham Radio KE5GBC
>> HF&  Echolink mobile
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Re: [Elecraft] Soliticing Comments on the P3

[W5RDW]

Had my P3/SVGA a week. I held off initially purchasing the P3, as its screen
size just seemed too small for my situation. Once I got the P3 in last week,
I could see how small the screen size was and I would have trouble in seeing
details. But with the SVGA option (which is what got me to order the P3 in
the first place), the screen size of the external display (19 in monitor)
makes the use of the P3 so pleasant.

For spotting where to call DX stations in a CW pileup, it works wonders and
greatly minimizes the time you spend in calling in a pileup. The first few
days of calling a number of DX stations was so easy now that you can see
your competition!  Spotting clear holes in the pack to call is easy and
spotting the station coming back to the DX station is routine now.

I am pleased and will no doubt use the P3 for many other uses than just
working DX.

-
Roger W5RDW
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Re: [Elecraft] Soliticing Comments on the P3

[Dick Dievendorff]

Hello, Fred!

I know better now what you mean.  I've been doing a lot of PC host work for
the P3 but haven't used it much in contest operation.

I was at K5RC this weekend for the WPX Contest (we used KS7AA) and I found
that the P3 made it much easier to locate relatively clear frequencies to CQ
in.  If the waterfall below is clear for a while...

As I was tuning in S&P mode and found a spot that was currently silent but
had a bit of waterfall below, I found that I could tune so that the cursor
was just to the right of the width of the SSB signal in the waterfall and
when he next spoke his CQ message, I was tuned in closely enough that I got
the call the first time. Made S&P much quicker.

And of course in a pileup on CW (I found a JY on 15 meters before the
contest), it's so much easier to find the current "winner" and more quickly
detect the DX station's tuning pattern. 

I know your "banned" comment was tongue in cheek, but there have been a good
number of developments in the history of the DX and contesting sub-hobbies
that were initially viewed as an unfair advantage.  They became a "best
practice" as their value became evident to more and more.  CW memory keyers,
computer logging, multiple spotting receivers, SO2R, etc.  Some didn't make
the leap into the sun (e.g. octopuses), some are still debated, some were
embraced within appropriate categories.

We were multi-single, and these days that means "use packet spotting".  As I
was working my way through a bandmap filled with new multipliers pressing
ctrl down arrow to move from unworked station to station it occurred to me
that we've come a long way in the last dozen or so years. In WPX one new
prefix is as good as another, so rate makes all the difference in the world.
You can't get stuck in pileups for that rare station in Africa when another
European with a new prefix has the same QSO point and multiplier value.

This is the appeal of competitive amateur radio; we're always experimenting
with ways to be more effective and efficient at making a lot of contacts in
less time.  A lot of our station automation is for that reason.

I'll get a bigger SVGA display for more waterfall. It'll make it more
evident where a "clear" frequency is.

73 de Dick, K6KR


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Cady, Fred
Sent: Tuesday, March 27, 2012 7:40 AM
To: Richard Fjeld; elecraft posting
Subject: Re: [Elecraft] Soliticing Comments on the P3

I think the P3 should be banned. It makes working DX way too easy! Well, and
skimmers too.
Actually, the P3 probably has a positive effect on pile ups. All the
K3/P3 owners will be getting in and out of the pile up early thus reducing
the size for everybody else.
The P3 is wonderful.

Fred Cady
"The Elecraft K3: Design, Configuration and Operation"
www.ke7x.com

 

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[Elecraft] FS: Gamma Research HPS1-a Power Supply

[Craig Smith]

I have for sale a Gamma Research HPS1-a power supply.   This is a unique supply 
that is optimized for providing reliable power to a 100W class transceiver such 
as a K2 or K3 in the smallest and lightest possible package.   It is thus ideal 
for portable operation, DXpeditions, etc.  The supply architecture combines a 
traditional switching converter with a large ultra-cap to provide additional 
power capability for operating modes with less than 100% duty cycle.  With my 
K3, this supply provides capability for output powers of 30-35W RTTY, 75W CW 
and 100W SSB.  The unit is in mint condition and works perfectly.   I'm selling 
it because I've curtailed my portable operation.

The power supply weighs only 1.25 pounds! and is 3.4 by 1.6 by 5.2 inches in 
size.  Output voltage is 13.8 Vdc nominal.  Rated at 5A continuous and 22A at 
25% duty cycle.  For complete specs see:   www.gammaresearch.net

Your purchase includes the Gamma Research instruction sheet, an adapter to 
convert the Molex output connector to a standard PowerPole and insured USPS 
Priority Mail shipping to your USA address.  Price is $155 via PayPal.

If interested please contact me directly via email:   cr...@powersmith.net

73   Craig   AC0DS













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[Elecraft] I purchased a P3

[Lee Buller]

Well, just about everyone convinced meI got a P3 on order.  Mailed in the 
amateur radio dollars (they are free of course) on Saturday.  Already have the 
KXV3a.

Thanks for all the great comments on the device.

Lee Buller K0WA


 In our day and age it seems that Common Sense is in short supply.  If you 
don't 
have any Common Sense - get some Common Sense and use it.  If you can't find 
any 
Common Sense, ask for help from somebody who has some Common Sense.  Is Common 
Sense divine?

Common Sense is the image of the Creator expressing revealed truth in my mind. 
-  John W. (Kansas)

Never interfere with anything that isn't bothering you.
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Re: [Elecraft] Re K3 power supply

[Joe Subich, W4TV]

On 3/27/2012 6:22 AM, Mike Rodgers wrote:
 > While a 20a supply will get you by for the 100w radio,

20A might get by but the IMD will suffer badly when the supply drops
out of regulation on voice peaks.  If the K3's current display is
showing 16 - 17A steady state at 100W CW, one can be sure the short
term peaks in SSB are greater than 25A.

Give me a solid 25A CCS/35A ICAS analog supply set for 15.0V on the
K3 any day.

73,

... Joe, W4TV


On 3/27/2012 6:22 AM, Mike Rodgers wrote:
> While a 20a supply will get you by for the 100w radio, a 30a will provide 
> "insurance". As Adrian pointed out adjustable voltage is a plus.
> Power distribution strips should be avoided as some have found too much 
> voltage drop with them. Run the k3 power direct.
>
> 73
> Mike R
>
> Play me some fiddle, but no stinkin' violin!
>
> Amateur/Ham Radio KE5GBC
> HF&  Echolink mobile
> __
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[Elecraft] K2/100 For sale

[N4NAB John]

Am selling my recently completed k2/100 S/N 7231 ( brand new S/N)) to fund a
K3. It is the base rig ($740)plus KPA100 ($400), KSB2( $120) and
KDSP2($240), Icom HM-12 hand mike. Total purchase price= $1500+. I had
W3FPR, check over and do the alignment in February. Completely up to date in
every way.
Absolutely perfect condition, $1000 firm plus shipping. All manuals, papers,
probes, etc. Can bring to RARS(Raleigh) to avoid shipping. For more info
email off line at n4nab at arrl dot net.

-
r/ John N4NAB
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Re: [Elecraft] Soliticing Comments on the P3

[Cady, Fred]

I think the P3 should be banned. It makes working DX way too easy! Well,
and skimmers too.
Actually, the P3 probably has a positive effect on pile ups. All the
K3/P3 owners will be getting in and out of the pile up early thus
reducing the size for everybody else.
The P3 is wonderful.

Fred Cady
"The Elecraft K3: Design, Configuration and Operation"
www.ke7x.com

 

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Re: [Elecraft] Soliticing Comments on the P3

[Jack Berry]

You get hooked pretty quickly because it is useful - just had mine a week. I 
have used it to more effectively work split dx operations. Seeing where all the 
traffic is and where the big signals are in the pileup, I can pick my spot to 
make my signal get through. One thing I didn't anticipate is visual observation 
of just how close a strong signal can be while the K3 is able to keep me in 
comfortable isolation. CW is a snap with the P3.





From: Richard Fjeld 
To: elecraft posting 
Sent: Mon, March 26, 2012 1:52:35 AM
Subject: [Elecraft]  Soliticing Comments on the P3

Message: 1
Date: Mon, 19 Mar 2012 09:12:59 -0700 (PDT)
From: Lee Buller 
Subject: [Elecraft] Soliticing Comments on the P3
To: Elecraft Reflector 
Message-ID: <1332173579.48918.yahoomai...@web81306.mail.mud.yahoo.com>
Content-Type: text/plain; charset=us-ascii


I am very interested in the P3 to add to my K3.  But, I give pause as to the 
usefulness of this device.  Although the cool factor is high...I wonder if it 
worth the dollars.  Of course in ham radio...dollars are not rare, never come 
into consideration, and they grow on trees.
_

I answered Lee offline, but for the benefit of others pondering this same 
question, I have this almost short comment:

Yeah, I used to say "what would I ever need one of those for. And what is the 
big-deal about a water-fall?"

One thing led to another and I bought a P3.  I don't know how I ever did 
without 
it. I told Lee many reasons for this, but I forgot to tell him they are great 
for contesting. The small size is convenient for me and adequate as well.

IMHO, to have a P3 is a good reason to buy a K3.  I appreciate that it's not 
computer dependent (even though I have not been without a computer since the 
mid-seventies).


Richard Fjeld, n0ce
rpfj...@embarqmail.com
I'd rather be learning.


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Re: [Elecraft] K3 ERR TXF

[Julius Fazekas n2wn]

Think mine fermented after sitting on the shelf for 40 years 

-
Julius Fazekas
N2WN

Tennessee Contest Group
http://www.k4ro.net/tcg/index.html

Tennessee QSO Party
http://www.tnqp.org/

Elecraft K2#4455
Elecraft K3/100 #366
Elecraft K3/100 
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Re: [Elecraft] K3 ERR TXF

[Monty Shultes]

Julius,

I'm sure you mean an 807.  813s are non-alcoholic.

Monty K2DLJ

> 7) Save to new working configuration. 8) Test again, heck if only for peace
> of mind. If good, pop open an 813 and do a little jig (wired jig
> preferred... hihi) )
> 
> 73,
> Julius
> 
> -
> Julius Fazekas
> N2WN

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Re: [Elecraft] K3 ERR TXF

[Julius Fazekas n2wn]

I'd like to thank Dale, at Elecraft, for helping me work through this
problem. Possibly the steps we went through may help someone who runs into a
similar problem. Items in quotes are my thoughts/explanations. This is a
first time issue for me, and I would consider it quite a rare occurrence
based on my K3 experiences:

(My problem started with a working, properly configured radio that suddenly
started displaying "ERR TXF" when keyed in SSB. The radio worked correctly
in CW. I suspect either or both of two things: fumble fingering the keys
when trying to record new KDVR3 messages or a static spike. It is possible
that these were strictly coincidental too.) 

The TXF error is a SOFTWARE issue, it has nothing to do with hardware.
If you have confirmed that the 2.8 Khz filter is in the slot that it really
is in (Slot #1 is the first slot on the right as you look down into the
radio from front) and that in the CONFIG:FL 'n' BW the 'n' matches the slot
number that the filter is in (if you have multiple filters then they must be
arranged widest to narrowest in lowest slot number to highest slot number)
along with CONFIG:FL TX SB being correct, then you may have a corrupt memory
workspace.
Do you know how to do a parameter initialization?  That will correct the
corruption. (This is EE INIT, follow instructions in the owner manual.)

(My problem returned...)

Are you reloading an older configuration after doing the EE INIT?
If so, you need to manually reconfigure everything.  The "glitch" can get
saved in the configuration file.
(By "manually reconfigure" he meant via the CONFIG Menu on the radio itself,
NOT via the K3 Utility program.)

(The sequence I followed was: 1) Hand copy all of my important parameters
(assuming you're not using all the default values) 2) Perform "EE INIT". 3)
Test to see if the problem was resolved. 
4) Using the CONFIG Menu, re-enter all of my personal settings (filters, AGC
and such). 5) Test again to see if the problem remained resolved. If it
tests good 6) Erase all saved configurations for the radio in question in
the K3 Utility Program. 
7) Save to new working configuration. 8) Test again, heck if only for peace
of mind. If good, pop open an 813 and do a little jig (wired jig
preferred... hihi) )

73,
Julius

-
Julius Fazekas
N2WN

Tennessee Contest Group
http://www.k4ro.net/tcg/index.html

Tennessee QSO Party
http://www.tnqp.org/

Elecraft K2#4455
Elecraft K3/100 #366
Elecraft K3/100 
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[Elecraft] Re K3 power supply

[Mike Rodgers]

While a 20a supply will get you by for the 100w radio, a 30a will provide 
"insurance". As Adrian pointed out adjustable voltage is a plus.  
Power distribution strips should be avoided as some have found too much voltage 
drop with them. Run the k3 power direct. 

73
Mike R

Play me some fiddle, but no stinkin' violin!

Amateur/Ham Radio KE5GBC
HF & Echolink mobile
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Re: [Elecraft] K3 Filter questions

[Gary Gregory]

*Jack,

with respect I would disagree with your assessment of the 1.8Khz filter.

>From experience, I had both the 2.1 and 1.8 fitted and by judicious use of
the Hi Cut/Lo Cut adjustment I find the 1.8 far better in practice.

Audio quality is easily made pleasant to the ear without introduction of
any artifacts that are not wanted and provides a better blocking of nearby
strong stations.

Many of us have anywhere from mild to extensive hearing issues which vary
from one person to another. In my case it is Tinitus and therefore it is
essential for me to use a headset and combining the 1.8khz filter with the
Yamaha CM-500 I find the audio pleasant. Just last weekend I participated
in the VK Field Day contest and spent a solid 24 hours on air with little
problem other than sleep deprivation..:-)

A quick check of local K3's here in VK4 reveals many are using the 1.8khz
filter in preference to the 2.1Khz filter for SSB use. The 400 is popular
for CW/Digital use.

If your hearing is somewhere in the normal range I do envy you and perhaps
the 2.1Khz filter is more to your liking.

Regards,
Gary
*
On 27 March 2012 17:58, Jack Berry  wrote:

> 2.8, 2.1, 400 - no need to go tighter IMO. Before buying a 1.8, I suggest
> spending time on someone's K3 with a 1.8 if you can. I think you would find
> it fatiguing to listen to for more than a few minutes. Certainly not a rag
> chewing filter.
>
> Jack - WE5ST
>
> On Mar 26, 2012, at 7:48 PM, "Dave \(K7DRT\)" 
> wrote:
>
> > I am still studying the K3 and the various options I use. I still plan
> to purchase one.
> >
> > My previous radios  (IC-756PRO the last one) I used 2.4 khz and 1.8 kHz
> for SSB and 500 hz & 250 hz for CW / Data.
> >
> > The K3 comes with a 2.7 kHz 5-pole filter.
> >
> > My SSB questions are: from your experience, 1)  which is better for a
> narrow filter for SSB; 2.1 khz or 1.8 kHz?
> > 2) Which is more useful, 2.7 kHz 5-pole or 2.8 kHz 8-pole?
> >
> > My Data question: Is the 400 kHz 8-pole adequate or should I purchase an
> additional (250 hz or 200 hz) filter?
> >
> > Thanks & 73 de Dave K7DRT
> >
> > P.S. I did read the “K3 Crystal 'Roofing' Filters” It was very helpful.
> > __
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-- 
Gary
VK4FD - Motorhome Mobile
Elecraft Equipment
K3 #679, KPA-500 #018
Living the dream!!!
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Re: [Elecraft] K3 Filter questions

[Thomas Horsten]

Dave,

1.

I prefer the 2.1 filter for SSB, 1.8 can potentially give a slight edge
when the bands are extremely crowded, but generally speaking I use the 2.7
and narrow down to 2.1 if there is much QRM, remember that with the DSP you
can go as low as you want, so it only makes a real difference if the
interfering signal is way stronger than the one you want to copy.

So in the end I swapped my 1.8kHz filter for an extra 500Hz filter for the
sub receiver.

2.

I haven't tried the 2.8kHz 8-pole filter, it has sharper edges than the
2.7k one and some people prefer it. I have the 6kHz 8-pole filter as well
(for ESSB/SWL broadcast listening) and if the transmitting station is using
a wide TX filter for SSB it sounds better with that in. Again, the DSP does
a lot of the work so I don't think there is that much difference between
the 2.7 and 2.8 filters, if I was to buy a new rig I'd probably opt for the
2.8 one, but not a strong preference. I think the main difference is
slightly sharper edges on TX, and negligible on RX.

3.

I have found the 400Hz filter perfectly adequate for CW and digimodes. A
1kHz filter would be much more useful, and I will probably get it
eventually, but the 250Hz filter doesn't seem that useful to me. 400Hz
gives enough of a context to make a weak CW signal stand out particularly
when APF filter is on. For digimodes, I've copied a few PSK31 signals that
I could not copy with >400Hz because it was drowned out by a very strong
signal elsewhere in the passband, but I've never had this happen with a
signal that was less than 400Hz away, remember you can adjust the width and
center frequency independently and the K3 chooses the best crystal filter
for the job, so you can move the rx window left or right to avoid any
interfering strong signal close to the one you want to copy.

All in all I'm very satisfied with my filter lineup which is:

Main RX:
FL1 - None yet (KFL3B-FM 13kHz FM filter on order, for operating FM on 10m
and with transverters in the future)
FL2 - KFL3A-6K (for AM/ESSB receive (and rarely used ESSB TX))
FL3 - 2.7kHz 5-pole filter
FL4 - KFL3A-2.1 (for SSB and digimodes)
FL5 - KFL3A-400 (for CW and digimodes)

Sub RX:
FL1 - None
FL2 - None
FL3 - 2.7kHz 5-pole filter
FL4 - None
FL5 - KFL3A-400

I wish I had room for 1 more filter, so I could have the 1kHz filter for
use with wider digimodes and a wider PSK31 passband. Most of the time for
PSK31 it is not necessary to go down to the 400Hz filter to copy the
weakest signals, but 1kHz would be better when the bands are crowded. I
don't think a 250 or 200Hz would confer any real advantage.

73, Thomas M0TRN

On 27 March 2012 01:48, Dave (K7DRT)  wrote:

> I am still studying the K3 and the various options I use. I still plan to
> purchase one.
>
> My previous radios  (IC-756PRO the last one) I used 2.4 khz and 1.8 kHz
> for SSB and 500 hz & 250 hz for CW / Data.
>
> The K3 comes with a 2.7 kHz 5-pole filter.
>
> My SSB questions are: from your experience, 1)  which is better for a
> narrow filter for SSB; 2.1 khz or 1.8 kHz?
> 2) Which is more useful, 2.7 kHz 5-pole or 2.8 kHz 8-pole?
>
> My Data question: Is the 400 kHz 8-pole adequate or should I purchase an
> additional (250 hz or 200 hz) filter?
>
> Thanks & 73 de Dave K7DRT
>
> P.S. I did read the “K3 Crystal 'Roofing' Filters” It was very helpful.
> __
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Re: [Elecraft] K3 Filter questions

[Jack Berry]

2.8, 2.1, 400 - no need to go tighter IMO. Before buying a 1.8, I suggest 
spending time on someone's K3 with a 1.8 if you can. I think you would find it 
fatiguing to listen to for more than a few minutes. Certainly not a rag chewing 
filter. 

Jack - WE5ST

On Mar 26, 2012, at 7:48 PM, "Dave \(K7DRT\)"  wrote:

> I am still studying the K3 and the various options I use. I still plan to 
> purchase one.
> 
> My previous radios  (IC-756PRO the last one) I used 2.4 khz and 1.8 kHz for 
> SSB and 500 hz & 250 hz for CW / Data.
> 
> The K3 comes with a 2.7 kHz 5-pole filter.
> 
> My SSB questions are: from your experience, 1)  which is better for a narrow 
> filter for SSB; 2.1 khz or 1.8 kHz?
> 2) Which is more useful, 2.7 kHz 5-pole or 2.8 kHz 8-pole?
> 
> My Data question: Is the 400 kHz 8-pole adequate or should I purchase an 
> additional (250 hz or 200 hz) filter?
> 
> Thanks & 73 de Dave K7DRT
> 
> P.S. I did read the “K3 Crystal 'Roofing' Filters” It was very helpful.
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
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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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