Re: [Elecraft] Plasma TV Noise

[Ralph Parker]

>There's a reason that they (Plasma TV's) have been banned in the EU zone...
I didn't know that. I wish they'd ban them in Canada.
I had a neighbour 2 years ago who bought a plasma TV - drove me crazy on
160 through 30 meters. They moved away a year later :-)

But wait, there's more - a new one appeared on the other side of me about 2
months ago - same old QRM problem.
I'll dig out my ANC-4, string up a noise antenna and cross my fingers.

>... a transmission at high power on or about 14.3MHz does wonders...
I tried high power on 160m in the first instance (on the freq. where I had
the loudest QRM), but it didn't seem to make any difference. I'll give it
another go on 14.3 and report my success (if any).
Any further hints gratefully received.

I only have an old CRT TV that I haven't turned on in 12 years. Radio rules!

VE7XF

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[Elecraft] 6V7Z b...@home, K3 still in excellent shape

[dl4maq]

h...@all

10 exciting days with:

13300  qsos
up to 38c and lots of dust
countless powercuts
a uncomfortable ride in overcrowded overhead compartments (perfectly
sheltered by Roses&Ken's bag)

K3 is back at home now and still in perfect shape. Thank you Elecraft!!!



73, Juergen "Jo" (dl4maq)
cw o...@6v7z

http://elecraft.365791.n2.nabble.com/file/n5773305/cwstn.jpg 
-- 
View this message in context: 
http://elecraft.365791.n2.nabble.com/6V7Z-back-home-K3-still-in-excellent-shape-tp5773305p5773305.html
Sent from the [K3] mailing list archive at Nabble.com.
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Re: [Elecraft] K3 Micro Manual iPhone App

[Wayne Burdick]

This is a great service to K3 owners with iGear, Mike -- thanks. 

I'll put you on the short list for owner's manual update notices. 

73,
Wayne
N6KR


http://www.elecraft.com

On Nov 24, 2010, at 5:42 PM, Michael Downs  wrote:

> If you are a K3 owner/operator, you may be interested in a new iPhone 
> application. I call it the K3 Micro Manual as it incorporates most of the K3 
> Owner's Manual in a handy iPhone format. It is compatible with iPhone (iOS 
> 3.1.3 and later), iPod Touch and iPad. It has been updated to include the 
> Owner's Manual Errata, and all firmware changes since the Owner's Manual was 
> published. Thus, it is current through November 14, 2010. In addition, I have 
> included operating tips from the Elecraft web site, selected emails from the 
> Elecraft Reflector,  and  operating experience.
> 
> If you think you may be interested in this app, it is now available in the 
> Apple App Store. It is listed under the Reference category. Just search for 
> "K3 Owners Manual" or "ks7d."  I welcome your input on enhancements to this 
> application, and for your favorite operating tips. I plan updates over time 
> to this app to keep it current with the latest Elecraft Owner's Manual, and 
> to add new features.
> 
> Following is the table of contents for the app:
> 
> K3 Micro Manual Table of Contents:
> 
> Overview of Application
> Introduction
> Key to Symbols
> Table of Contents
> 
> Controls and Connectors
> Introduction
> Primary Controls
> Display
> Multi-Function Controls
> Keypad
> Memories
> VFOs
> RIT/XIT
> Rear Panel Connectors
> KIO3 Connectors
> KXV3 Connectors
> 
> Quick-Start
> Introduction
> Connections
> The Basics
> Filter Controls
> Voice Modes
> CW Mode
> Data Modes
> VFOs and RIT/XIT
> Transmit, ATU and Ant
> NB, NR and Notch
> SPLIT, BSET and SUB
> Memories, Messages and DVR
> Menus and Switch Macros
> Other Features
> 
> Basic Operation
> Fundamentals
> Receiver Setup
> Reducing Interference
> Transmitter Setup
> Voice Modes
> CW Mode
> Data Modes
> 
> Advanced Operation
> Text Decode and display
> CW-to-DATA
> Tuning Aids: CWT and SPOT
> Audio Effects (AFX)
> Dual Passband CW Filtering
> Receive Audio EQ
> Transmit Audio EQ
> SPLIT and Cross-Mode
> Extended Single Sideband (ESSB)
> General-Coverage RX
> VFO B Alternate Displays
> Alarm and Auto Power-On
> Using the Sub Receiver
> Receive Antenna In/Out
> Buffered I.F. Output
> Using Transverters
> Scanning
> 
> Remote Control
> Introduction
> Remote-Control Commands
> Front-Panel Switch Macros
> Remote Power On/Off
> Automatic Antenna Control
> CW/DATA Terminal Applications
> K3 Memory Editor
> 
> Options and Accessories
> Introduction
> Options and Accessories
> 
> Firmware Upgrades
> Introduction
> Checking your Firmware Revision
> K3 Firmware Self-Test
> Forcing a Firmware Download
> 
> Configuration
> Introduction
> Crystal filter Setup
> Option Module Enables
> Miscellaneous Setup
> 
> Calibration Procedures
> Introduction
> Synthesizer
> Wattmeter
> Transmitter Gain
> Reference Oscillator
> FP Temp Sensor
> PA Temp Sensor
> S-Meter and RF Gain
> 
> MAIN Menu Functions
> Introduction
> AFX MD
> ALARM
> ...
> ANTIVOX
> 
> CONFIG Menu Functions
> Introduction
> 2 TONE
> ADC REF
> ...
> XVn ADR
> 
> Troubleshooting
> Common Symptoms
> Parameter Initialization
> Module Troubleshooting
> Error Message List
> 
> Operating Tips
> Introduction
> CW/DX Operating Scenario
> Using TX TEST
> AFX (Audio Effects)
> RTTY Operation w/o PC
> VFO B Display Modes
> Add Text to ANT1/ANT2
> RIT/XIT Techniques
> Setup for PSK
> QRO/Battery Operation
> Adjust ATU L-C Settings
> RIT with VFO A Knob
> KK7P Explains NR
> Menu Help Text
> Operating at 500 kHz
> FW Load Failure Recovery
> Operating in Split Mode
> 60 Meter Band Operation
> 
> Firmware Release Notes
> Introduction
> MCU 4.14/DSP 2.60
> MCU 4.13/DSP 2.60
> MCU 4.12/DSP 2.60
> MCU 4.06/DSP 2.60
> MCU 4.05/DSP 2.60
> MCU 4.03/DSP 2.60
> MCU 3.97/DSP 2.58
> MCU 3.94/DSP 2.54
> MCU 3.84/DSP 2.54
> 
> Hopefully, I can follow this iPhone version with a version for Android 
> phones. I need to get an Android phone to test the application on before it 
> is released. Testing in the emulator is fine, but it must be checked out on 
> actual hardware before release.
> 
> 73,
> Mike ks7d
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Re: [Elecraft] PTT stuck? Error?

[David Cutter]

I had the same problem with a long earth lead.

David
G3UNA

- Original Message - 
From: "Don Wilhelm" 
To: "david beckwith" 
Cc: 
Sent: Thursday, November 25, 2010 2:21 AM
Subject: Re: [Elecraft] PTT stuck? Error?


>  Dave,
>
> Put a balun on your antenna.
>
> Seriously, that is likely being caused by "RF in the shack", and the
> only cure is to work on your antenna system to minimize it.
>
> 73,
> Don W3FPR
>
> On 11/24/2010 9:08 PM, david beckwith wrote:
>> A quick question.  I have a Heil Proset headset into the front of the K3.
>> Sometimes when I fire up my ACOM 1000 amp I experience the following 
>> problem. I
>> am running the K3 PTT relay thru an LP-100 and then into the amp, with a 
>> Palstar
>> tuner on the output side from the amp.  SWR is about 1.2 or 1.3.  I use a 
>> PTT
>> switch and it seems to "stick" open.  I am transmitting and when I 
>> release the
>> switch it doesn't immediately stop TX. Depending on the power out this 
>> may be
>> followed by an error message (which I forgot to record) that requires 
>> restarting
>> the K3.  This only happens when the amp is turned on.  Ideas?
>>
>> Thanks and 73
>>
>> Dave K6CGE
>>
> 
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[Elecraft] EC2 Enclosure is SOLD

[Mike]

EC2 Enclosure, SOLD
 H. Michael Pierce
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Re: [Elecraft] Software downloading problem

[Dick Dievendorff]

I'm on the road and can't check but my belief is that 4.14 is the latest non 
beta. 

Dick, K6KR

On Nov 24, 2010, at 21:49, r...@aol.com wrote:

> I can't download the newer MCU or FPF software updates for some  reason.  
> I'm using Utility 1.3.11.5 but when I check for updates the latest  I get are
> MCU 4.14 and FPF 1.13 ... could it be these are the latest updates that  
> aren't Betas?  Or am I doing something wrong?
> 
> Thanks!
> Dick- K9OM
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Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.

[Jeff Cochrane - VK4BOF]

My pet hate!
My 3 next door neighbours each have at least 2 of the damned plasma TV's.
There is not alot you can do except to complain to the FCC / ACMA / whatever 
your liocencing body is called about the interference.
There's a reason that they (Plasma TV's) have been banned in the EU zone, now 
you know what is was.
I do have it on good authority that a transmission at high power on or about 
14.3MHz does wonders for the Plasma's power supplies though.
maybe that me be an option.

Jeff Cochrane - VK4BOF
Innisfail, QLD, Australia
Elecraft K3# 4257

  - Original Message - 
  From: gold...@charter.net 
  To: d...@w3fpr.com 
  Cc: elecraft@mailman.qth.net 
  Sent: Thursday, November 25, 2010 12:17 PM
  Subject: Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.


  Its my wifes TV I have to live with it.




  On Wed, Nov 24, 2010 at 8:41 PM, Don Wilhelm wrote:

  > Don,
  >
  > Plasma TVs are like that - sounds like you need to line up for the 
  > Black Friday deals on TVs on Friday :-)
  >
  > 73,
  > Don W3FPR
  >
  > On 11/24/2010 8:10 PM, gold...@charter.net wrote:
  >> When our plasma TV is on it has a very strong interference that no
  >> combination of the NB, NR, or Filters have any effect on the K3.
  >>
  >> I am wondering if an active audio filtering system such as the DHL 
  >> out
  >> of England may help.
  >>
  >> I have searched the web for ideas and I have not found anything for
  >> ideas on how to elemiante this problem.
  >>
  >> One thing I know for sure is that I took a day off and unplugged the 
  >> TV
  >> and the bands were all workable today.  Ok I could hear but I need 
  >> some
  >> more kick to be heard.
  >>
  >> KD8NNU
  >> Don
  >> __
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[Elecraft] Software downloading problem

[RLVZ]

I can't download the newer MCU or FPF software updates for some  reason.  
I'm using Utility 1.3.11.5 but when I check for updates the latest  I get are
MCU 4.14 and FPF 1.13 ... could it be these are the latest updates that  
aren't Betas?  Or am I doing something wrong?
 
Thanks!
Dick- K9OM
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Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.

[Eugene Balinski]

All,

An active noise cancellor such as the JPS ANC-4 may
really help. You have to stop or minimize the noise before
it gets in to the radio. 

Place the ANC-4 sense antenna as close to the offending TV
as possible and then adjust the controls for best noise
reduction. 

73,

  Gene K1NR

Happy Thanksgiving



On Wed, 24 Nov 2010 21:17:48 -0500 (EST)
 gold...@charter.net wrote:
> Its my wifes TV I have to live with it.
> 
> 
> 
> 
> On Wed, Nov 24, 2010 at 8:41 PM, Don Wilhelm wrote:
> 
> > Don,
> >
> > Plasma TVs are like that - sounds like you need to line
> up for the 
> > Black Friday deals on TVs on Friday :-)
> >
> > 73,
> > Don W3FPR
> >
> > On 11/24/2010 8:10 PM, gold...@charter.net wrote:
> >> When our plasma TV is on it has a very strong
> interference that no
> >> combination of the NB, NR, or Filters have any effect
> on the K3.
> >>
> >> I am wondering if an active audio filtering system
> such as the DHL 
> >> out
> >> of England may help.
> >>
> >> I have searched the web for ideas and I have not found
> anything for
> >> ideas on how to elemiante this problem.
> >>
> >> One thing I know for sure is that I took a day off and
> unplugged the 
> >> TV
> >> and the bands were all workable today.  Ok I could
> hear but I need 
> >> some
> >> more kick to be heard.
> >>
> >> KD8NNU
> >> Don
> >>
>
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> >>
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> http://www.qsl.net/donate.html
> >>
>
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Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.

[James Sarte (K2QI)]

Tis true they are RFI generators, but plasma black levels are still much
better than LCD, LCOS, or DLP sets.  Only thing that's better in that area
are tube televisions.

As a movie buff, I can't stand black crush, so I live with my Panasonic
plasma.  When I do QRV, the fix is simple; I turn the TV off.  That takes
care of most of my television-related noise.  I can't however do much about
the RFI given off by my neighbor's plasma sets, so I still have to find an
effective way of nulling out that interference.

73,
James K2QI

On Wed, Nov 24, 2010 at 9:27 PM, Jim Cox  wrote:

> I think it is time to dump the plasma tv.. They are nothing but RFI
> generators...  Certainly not compatible with Amateur Radio...
>
> Jim K4JAF
>
>
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[Elecraft] [K3] Line out, speakers, and L-mix-R settings...

[James Sarte (K2QI)]

Curious thing I noticed today; plugged in my headphones only to continue
hearing monoraul audio coming out of my PC's speakers.  It took me a second
to realize that audio from the K3 was being piped out of the LINE OUT jack
in the rear, into my PC's input, and out to the two speakers I have sitting
on my desk.

At first I thought it was strange that the audio I was hearing was only
coming out of the left speaker rather than both.  I checked the manual and
after a few minutes of reading realized that under normal situations,
activating the SUB would provide the right channel.  I then started playing
around a bit more, and figured I'd post this question to the group just to
make sure I understand how these functions work properly.

My experimentation led me to the SPKRS settings which was currently set at
1.  With the SUB off, I changed the speaker setting to 2 but no change;
audio was still being heard on the left speaker and not the right.  Am I
then correct in my assumption that the speakers setting has no bearing on
the actual number of channels being output from the LINE OUT jack?

This brings me to my second question - is there a way to get both L and R
channel audio output to the LINE OUT jack just from the main receiver
without the SUB being activated?

My last question, does the SPEAKERS setting only affect the SPKR OUT jack on
the rear panel?  According to the manual, leaving it at 1 will only provide
one channel of audio.  Would setting it to 2 provide both L&R channels to
the speakers regardless of SUB activation?

Mni tnx es happy thanksgiving.
-- 
73 de James K2QI
President UNARC/4U1UN
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Re: [Elecraft] K3 LoCut/HiCut

[Don Wilhelm]

  Gary,

The HiCut and LoCut are quite useful for SSB.  To maintain 
intelligibilty while the width is narrowed, the low end must remain at 
about 300 Hz, while the High end can be reduced dramatically.

For use with CW, the shift and width controls are more useful - just 
reduce the width, and the center frequency stays the same (usually at 
your sidetone pitch).  Slight changes in the shift control may be in 
order, but normally it will remain fixed.

73,
Don W3FPR

On 11/24/2010 9:32 PM, Gary wrote:
> Thanks Nate. The audible effects are as I expected them to be when adjusting
> low or high cut but the visual representations on both the K3 and the P3
> were not and had me a bit confused. I'll continue to experiment.
> 73,
> Gary
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Nate Bargmann
> Sent: Wednesday, November 24, 2010 1:32 PM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] K3 LoCut/HiCut
>
> Gary, it may be easier to visualize each control manipulating a variable
> high pass and low pass filter.  The Lo Cut cuts off low frequencies, or
> rather, sets the cutoff frequency of a high pass filter.  The Hi Cut
> does likewise, except it controls the cutoff frequency of a low pass
> filter.  They allow you to adjust either side of the passband
> independently.  You can acheive the same thing with the Width and Shift
> controls it's just that the way the K3 is set up using Width works well
> on CW as it adjusts both cutoff frequencies but maintains a constant
> center frequency of the passband.  On SSB using either the Lo or Hi Cut
> controls can significantly reduce QRM from one side or the other.
>
> On my recently departed FT-920 only the Lo and Hi Cut controls were
> available in the DSP.  I like the K3's selection of either way of doing
> it depending on the situation.  Over this past SSB Sweepstakes I found
> the Lo/Hi Cut indespensible for digging stations from between others.
>
> Experiment!
>
> 73, de Nate N0NB>>
>
>
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Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.

[Jim Cox]

Amen, take it back if RFI.  And stay away from Plasma TVs...

Jim K4JAF


- Original Message - 
From: "Ron D'Eau Claire" 
To: 
Sent: Wednesday, November 24, 2010 8:59 PM
Subject: Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.


> These days when I buy *any* appliance it's with the understanding I can 
> get
> a full refund if I find it creates RFI issues.
>
> Frustrating that our current laissez-faire approach to business in America
> has robbed the FCC of any ability to put a stop to these emitters.
>
> Ron AC7AC
>
> -Original Message-
>  Don,
>
> Plasma TVs are like that - sounds like you need to line up for the Black
> Friday deals on TVs on Friday :-)
>
> 73,
> Don W3FPR
>
> On 11/24/2010 8:10 PM, gold...@charter.net wrote:
>> When our plasma TV is on it has a very strong interference that no
>> combination of the NB, NR, or Filters have any effect on the K3.
>>
>> I am wondering if an active audio filtering system such as the DHL out
>> of England may help.
>>
>> I have searched the web for ideas and I have not found anything for
>> ideas on how to elemiante this problem.
>>
>> One thing I know for sure is that I took a day off and unplugged the TV
>> and the bands were all workable today.  Ok I could hear but I need some
>> more kick to be heard.
>>
>> KD8NNU
>> Don
>> __
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Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.

[Ron D'Eau Claire]

These days when I buy *any* appliance it's with the understanding I can get
a full refund if I find it creates RFI issues. 

Frustrating that our current laissez-faire approach to business in America
has robbed the FCC of any ability to put a stop to these emitters. 

Ron AC7AC

-Original Message-
  Don,

Plasma TVs are like that - sounds like you need to line up for the Black 
Friday deals on TVs on Friday :-)

73,
Don W3FPR

On 11/24/2010 8:10 PM, gold...@charter.net wrote:
> When our plasma TV is on it has a very strong interference that no
> combination of the NB, NR, or Filters have any effect on the K3.
>
> I am wondering if an active audio filtering system such as the DHL out
> of England may help.
>
> I have searched the web for ideas and I have not found anything for
> ideas on how to elemiante this problem.
>
> One thing I know for sure is that I took a day off and unplugged the TV
> and the bands were all workable today.  Ok I could hear but I need some
> more kick to be heard.
>
> KD8NNU
> Don
> __
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Re: [Elecraft] K3 LoCut/HiCut

[Nate Bargmann]

* On 2010 24 Nov 20:34 -0600, Gary wrote:
> Thanks Nate. The audible effects are as I expected them to be when adjusting
> low or high cut but the visual representations on both the K3 and the P3
> were not and had me a bit confused. I'll continue to experiment.

The display only has a relatively few segments compared to the steps and
runs out of display segments rapidly.  The dark segments represent the
relative passband bandwidth based on the mode.  If the passband is
centered then the segments will be centered over the arrows below the
line the passband segments "sit" on.  If higher then the segments will
be to the right and if lower then to the left.

Mostly it's just a nice visual aid showing the relative passband width
and shift.  The real information is in the VFO B display when the
settings are changed.

HTH,

73, de Nate N0NB >>

-- 

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

Ham radio, Linux, bikes, and more: http://n0nb.us/index.html
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Re: [Elecraft] K3 VFO converter/Knob

[Claude Du Berger]

Thanks for your info Erik.
Here, even after removing the knob and felt washer, turning
the shaft with my fingers make the same noise. Maybe I am not lucky
and will have to change the converter ?..

73 de VE2FK

  - Original Message - 
  From: Erik Basilier 
  To: Elecraft@mailman.qth.net 
  Sent: Wednesday, November 24, 2010 9:35 PM
  Subject: [Elecraft] K3 VFO converter/Knob


  For the first year or so after assembly my main tuning knob just made a very
  faint noise that was smooth and consistent. However, beginning around last
  Field Day, the knob has tended to stick in certain spots, accompanied by
  much louder noise. This happens only when I press on the knob, as is always
  my habit. (I use one finger on the edge of the know rather than using the
  dimple.) I just took the knob off. The felt washer looked normal. After I
  put the knob back on, it behaved in the same way. My theory is that some
  grains of dirt have found their way into the felt. I guess it is time to
  replace the felt washer with the second one that came with the kit, or ditch
  the friction altogether.

   

  73,

  Erik K7TV
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Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.

[Jim Wiley]

So buy her a new TV for Christmas.   Seems a simple enough solution to 
the problem.  Have it "turn out" that her present TV has some sort of 
radiation leakage problem or something, and you're only looking out for 
her.


- Jim, KL7CC



gold...@charter.net wrote:
> Its my wifes TV I have to live with it.
>
>   
>
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[Elecraft] K3 VFO converter/Knob

[Erik Basilier]

For the first year or so after assembly my main tuning knob just made a very
faint noise that was smooth and consistent. However, beginning around last
Field Day, the knob has tended to stick in certain spots, accompanied by
much louder noise. This happens only when I press on the knob, as is always
my habit. (I use one finger on the edge of the know rather than using the
dimple.) I just took the knob off. The felt washer looked normal. After I
put the knob back on, it behaved in the same way. My theory is that some
grains of dirt have found their way into the felt. I guess it is time to
replace the felt washer with the second one that came with the kit, or ditch
the friction altogether.

 

73,

Erik K7TV

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Re: [Elecraft] K3 LoCut/HiCut

[Gary]

Thanks Nate. The audible effects are as I expected them to be when adjusting
low or high cut but the visual representations on both the K3 and the P3
were not and had me a bit confused. I'll continue to experiment.
73,
Gary

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Nate Bargmann
Sent: Wednesday, November 24, 2010 1:32 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 LoCut/HiCut

Gary, it may be easier to visualize each control manipulating a variable
high pass and low pass filter.  The Lo Cut cuts off low frequencies, or
rather, sets the cutoff frequency of a high pass filter.  The Hi Cut
does likewise, except it controls the cutoff frequency of a low pass
filter.  They allow you to adjust either side of the passband 
independently.  You can acheive the same thing with the Width and Shift
controls it's just that the way the K3 is set up using Width works well
on CW as it adjusts both cutoff frequencies but maintains a constant 
center frequency of the passband.  On SSB using either the Lo or Hi Cut
controls can significantly reduce QRM from one side or the other.

On my recently departed FT-920 only the Lo and Hi Cut controls were
available in the DSP.  I like the K3's selection of either way of doing
it depending on the situation.  Over this past SSB Sweepstakes I found
the Lo/Hi Cut indespensible for digging stations from between others.

Experiment!

73, de Nate N0NB >>


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Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.

[Jim Cox]

I think it is time to dump the plasma tv.. They are nothing but RFI 
generators...  Certainly not compatible with Amateur Radio...

Jim K4JAF

'
- Original Message - 
From: "Don Wilhelm" 
To: 
Cc: 
Sent: Wednesday, November 24, 2010 7:41 PM
Subject: Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.


>  Don,
>
> Plasma TVs are like that - sounds like you need to line up for the Black
> Friday deals on TVs on Friday :-)
>
> 73,
> Don W3FPR
>
> On 11/24/2010 8:10 PM, gold...@charter.net wrote:
>> When our plasma TV is on it has a very strong interference that no
>> combination of the NB, NR, or Filters have any effect on the K3.
>>
>> I am wondering if an active audio filtering system such as the DHL out
>> of England may help.
>>
>> I have searched the web for ideas and I have not found anything for
>> ideas on how to elemiante this problem.
>>
>> One thing I know for sure is that I took a day off and unplugged the TV
>> and the bands were all workable today.  Ok I could hear but I need some
>> more kick to be heard.
>>
>> KD8NNU
>> Don
>> __
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Re: [Elecraft] PTT stuck? Error?

[Don Wilhelm]

  Dave,

Put a balun on your antenna.

Seriously, that is likely being caused by "RF in the shack", and the 
only cure is to work on your antenna system to minimize it.

73,
Don W3FPR

On 11/24/2010 9:08 PM, david beckwith wrote:
> A quick question.  I have a Heil Proset headset into the front of the K3.
> Sometimes when I fire up my ACOM 1000 amp I experience the following problem. 
> I
> am running the K3 PTT relay thru an LP-100 and then into the amp, with a 
> Palstar
> tuner on the output side from the amp.  SWR is about 1.2 or 1.3.  I use a PTT
> switch and it seems to "stick" open.  I am transmitting and when I release the
> switch it doesn't immediately stop TX. Depending on the power out this may be
> followed by an error message (which I forgot to record) that requires 
> restarting
> the K3.  This only happens when the amp is turned on.  Ideas?
>
> Thanks and 73
>
> Dave K6CGE
>
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Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.

[goldtr8]

Its my wifes TV I have to live with it.




On Wed, Nov 24, 2010 at 8:41 PM, Don Wilhelm wrote:

> Don,
>
> Plasma TVs are like that - sounds like you need to line up for the 
> Black Friday deals on TVs on Friday :-)
>
> 73,
> Don W3FPR
>
> On 11/24/2010 8:10 PM, gold...@charter.net wrote:
>> When our plasma TV is on it has a very strong interference that no
>> combination of the NB, NR, or Filters have any effect on the K3.
>>
>> I am wondering if an active audio filtering system such as the DHL 
>> out
>> of England may help.
>>
>> I have searched the web for ideas and I have not found anything for
>> ideas on how to elemiante this problem.
>>
>> One thing I know for sure is that I took a day off and unplugged the 
>> TV
>> and the bands were all workable today.  Ok I could hear but I need 
>> some
>> more kick to be heard.
>>
>> KD8NNU
>> Don
>> __
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Re: [Elecraft] Why XIT when A->B/SPLIT works [Was:Re: Does knowing the DXpedition has K3's change your]

[Rick Prather]

My preferred way of doing this is a macro:

SWT13;SWT13;FT1;UPB5;RT0;XT0;

I have this assigned to my PF1 key and when a station says they are listening 
"up" I just hold PF1 and am ready to go.

This macro sets the split to 2 Khz but you can change the value of "UPB" to 
whatever your preferred initial split is.  For example if you prefer to start 
at 5 Khz split you can edit it to "UPB7" .

This has become my most used Macro!

Rick
K6LE
 
On 11/24/2010, at 4:17 , Larry 'Rebar' Rebarchik - N6CCH wrote:

> From the sound if this, you do not have a second VFO, me too.
> Why not use A->B and then hold A->B for SPLIT and tune the B freq up the 
> desired offset amount with the second VFO knob?
> You'll see the TX arrow pointing down to the B frequency to be sure you 
> are running SPLIT.
> 
>

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[Elecraft] PTT stuck? Error?

[david beckwith]

A quick question.  I have a Heil Proset headset into the front of the K3.  
Sometimes when I fire up my ACOM 1000 amp I experience the following problem. I 
am running the K3 PTT relay thru an LP-100 and then into the amp, with a 
Palstar 
tuner on the output side from the amp.  SWR is about 1.2 or 1.3.  I use a PTT 
switch and it seems to "stick" open.  I am transmitting and when I release the 
switch it doesn't immediately stop TX. Depending on the power out this may be 
followed by an error message (which I forgot to record) that requires 
restarting 
the K3.  This only happens when the amp is turned on.  Ideas?

Thanks and 73

Dave K6CGE
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[Elecraft] K3 Micro Manual iPhone App

[Michael Downs]

If you are a K3 owner/operator, you may be interested in a new iPhone 
application. I call it the K3 Micro Manual as it incorporates most of the K3 
Owner's Manual in a handy iPhone format. It is compatible with iPhone (iOS 
3.1.3 and later), iPod Touch and iPad. It has been updated to include the 
Owner's Manual Errata, and all firmware changes since the Owner's Manual was 
published. Thus, it is current through November 14, 2010. In addition, I have 
included operating tips from the Elecraft web site, selected emails from the 
Elecraft Reflector,  and  operating experience.

If you think you may be interested in this app, it is now available in the 
Apple App Store. It is listed under the Reference category. Just search for "K3 
Owners Manual" or "ks7d."  I welcome your input on enhancements to this 
application, and for your favorite operating tips. I plan updates over time to 
this app to keep it current with the latest Elecraft Owner's Manual, and to add 
new features.

Following is the table of contents for the app:

K3 Micro Manual Table of Contents:
 
Overview of Application
Introduction
Key to Symbols
Table of Contents

Controls and Connectors
Introduction
Primary Controls
Display
Multi-Function Controls
Keypad
Memories
VFOs
RIT/XIT
Rear Panel Connectors
KIO3 Connectors
KXV3 Connectors

Quick-Start
Introduction
Connections
The Basics
Filter Controls
Voice Modes
CW Mode
Data Modes
VFOs and RIT/XIT
Transmit, ATU and Ant
NB, NR and Notch
SPLIT, BSET and SUB
Memories, Messages and DVR
Menus and Switch Macros
Other Features

Basic Operation
Fundamentals
Receiver Setup
Reducing Interference
Transmitter Setup
Voice Modes
CW Mode
Data Modes

Advanced Operation
Text Decode and display
CW-to-DATA
Tuning Aids: CWT and SPOT
Audio Effects (AFX)
Dual Passband CW Filtering
Receive Audio EQ
Transmit Audio EQ
SPLIT and Cross-Mode
Extended Single Sideband (ESSB)
General-Coverage RX
VFO B Alternate Displays
Alarm and Auto Power-On
Using the Sub Receiver
Receive Antenna In/Out
Buffered I.F. Output
Using Transverters
Scanning

Remote Control
Introduction
Remote-Control Commands
Front-Panel Switch Macros
Remote Power On/Off
Automatic Antenna Control
CW/DATA Terminal Applications
K3 Memory Editor

Options and Accessories
Introduction
Options and Accessories

Firmware Upgrades
Introduction
Checking your Firmware Revision
K3 Firmware Self-Test
Forcing a Firmware Download

Configuration
Introduction
Crystal filter Setup
Option Module Enables
Miscellaneous Setup

Calibration Procedures
Introduction
Synthesizer
Wattmeter
Transmitter Gain
Reference Oscillator
FP Temp Sensor
PA Temp Sensor
S-Meter and RF Gain

MAIN Menu Functions
Introduction
AFX MD
ALARM
...
ANTIVOX

CONFIG Menu Functions
Introduction
2 TONE
ADC REF
...
XVn ADR

Troubleshooting
Common Symptoms
Parameter Initialization
Module Troubleshooting
Error Message List

Operating Tips
Introduction
CW/DX Operating Scenario
Using TX TEST
AFX (Audio Effects)
RTTY Operation w/o PC
VFO B Display Modes
Add Text to ANT1/ANT2
RIT/XIT Techniques
Setup for PSK
QRO/Battery Operation
Adjust ATU L-C Settings
RIT with VFO A Knob
KK7P Explains NR
Menu Help Text
Operating at 500 kHz
FW Load Failure Recovery
Operating in Split Mode
60 Meter Band Operation

Firmware Release Notes
Introduction
MCU 4.14/DSP 2.60
MCU 4.13/DSP 2.60
MCU 4.12/DSP 2.60
MCU 4.06/DSP 2.60
MCU 4.05/DSP 2.60
MCU 4.03/DSP 2.60
MCU 3.97/DSP 2.58
MCU 3.94/DSP 2.54
MCU 3.84/DSP 2.54

Hopefully, I can follow this iPhone version with a version for Android phones. 
I need to get an Android phone to test the application on before it is 
released. Testing in the emulator is fine, but it must be checked out on actual 
hardware before release.

73,
Mike ks7d
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Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.

[Don Wilhelm]

  Don,

Plasma TVs are like that - sounds like you need to line up for the Black 
Friday deals on TVs on Friday :-)

73,
Don W3FPR

On 11/24/2010 8:10 PM, gold...@charter.net wrote:
> When our plasma TV is on it has a very strong interference that no
> combination of the NB, NR, or Filters have any effect on the K3.
>
> I am wondering if an active audio filtering system such as the DHL out
> of England may help.
>
> I have searched the web for ideas and I have not found anything for
> ideas on how to elemiante this problem.
>
> One thing I know for sure is that I took a day off and unplugged the TV
> and the bands were all workable today.  Ok I could hear but I need some
> more kick to be heard.
>
> KD8NNU
> Don
> __
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Re: [Elecraft] K3: Latest Beta FW - Vox, TX Gate and Notch

[goldtr8]

I use the dual manual notch a lot with my 7000, we can only hope.

On Wed, Nov 24, 2010 at 6:33 PM, Tim Tucker wrote:

> I'd rather have dual manual notch capability like the IC-7000...
>
>
>
> On Wed, Nov 24, 2010 at 12:49 PM, Nate Bargmann  wrote:
>
>> * On 2010 24 Nov 12:40 -0600, Jim Cox wrote:
>>> I vote no on this option..
>>
>> I'd be fine with such an option so long as it is configurable.
>>
>> 73, de Nate N0NB >>
>>
>> --
>>
>> "The optimist proclaims that we live in the best of all
>> possible worlds.  The pessimist fears this is true."
>>
>> Ham radio, Linux, bikes, and more: http://n0nb.us/index.html
>> __
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[Elecraft] Plasma TV Noise any ideas on how to filter it out.

[goldtr8]

When our plasma TV is on it has a very strong interference that no 
combination of the NB, NR, or Filters have any effect on the K3.

I am wondering if an active audio filtering system such as the DHL out 
of England may help.

I have searched the web for ideas and I have not found anything for 
ideas on how to elemiante this problem.

One thing I know for sure is that I took a day off and unplugged the TV 
and the bands were all workable today.  Ok I could hear but I need some 
more kick to be heard.

KD8NNU
Don
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[Elecraft] RX Ant isolation?

[Bob Redmon]

I tried using my beverages with the K3 for the first time this evening. 
When I transmit (100w...no amp), the output on the K3 goes nuts and 
starts peaking up well above 100 w. It kept doing it until I 
disconnected the beverage and power cycled the K3. I know I am not the 
only fellow using beverages (closest point to transmit antenna is 150 
feet). I have never had this problem with other radios. How are others 
setting up for RX antennas?

73, Bob K5SM
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Re: [Elecraft] [Elecraft_K3] P3 Programmer's Reference.

[Alan Bloom]

It's now on the Elecraft web site.

http://www.elecraft.com/manual/P3_Pgmrs_Ref_Rev_A2.pdf

By the way, P3 Utility includes macro buttons for the P3, so you can
program your favorite setups and select them with one button press.  See
P3 Utility's Help for more details.

Alan N1AL


On Wed, 2010-11-24 at 14:34 -0800, Alan Bloom wrote:
>   
> Hi Adrian,
> 
> Here it is. It should be on the web site soon.
> 
> Alan N1AL
> 
> On Wed, 2010-11-24 at 20:45 +, vk4tux wrote:
> > 
> > The P3 manual refer's to this as though it exists, but I cannot
> > find it. Anyone know anymore please?
> > 
> > 73
> > 
> > Adrian ... vk4tux
> > 


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Re: [Elecraft] [K3] ZL8X on 160 from Arkansas

[Gary Gregory]

Grin...a mile wide...

Heard ZL8X calling CQ so I thought "heck, why not"...went back on my Double
extended Zepp and busted through on the first try...oh yeah..pass the
kool-aid folks...how does it get any better than this?

Without a K3 and the ever trusty "toolbox" supplied as standard I doubt I
would have got throughwow

Nothing else matter when you got the K3 rockin...

:-)

Now how can I get my head through the motorhome door now...:-)

73's
Gary

On Thu, Nov 25, 2010 at 3:55 AM, Roger D Johnson wrote:

> Nick-WA5BDU wrote:
> > I've been turning on 160 the first thing in the morning for a couple
> > weeks, ever since putting elevated radials under my inverted L, and
> > hearing nothing but noise and a couple U.S. super stations calling CQ
> > DX.  Did I mention there was a wasp on the window outside my room
> yesterday?
> >
> > So this morning the cluster reported that he was on 1.826.5 and
> > eventually I was able to barely hear him.  Using every trick in the K3's
> > tool box including APF, I could finally make him out sending his call,
> > but he was ESP level.  I put in my call a few times without much hope of
> > working him.  After one last time, I decided to go cook some oatmeal and
> > maybe check again in 30 minutes, so I pushed the TX standby switch on
> > the rig as I always do when I walk away from it. I don't want the cats
> > working DX with my call.
> >
> > Just as I was pulling the phones off, I heard: DU?  So I mashed the TX
> > standby switch for the eternity of one-half second it takes to go back
> > to active.  While doing this, I felt a tiny breeze on the back of my
> > hand -- that red wasp was attempting a landing.  I heard the beep and
> > moved my hand to the paddle, the wasp landed on the K3's display, and I
> > sent 'WA5BDU' a couple times.  He came back 'WA5BDU 5NN' and naturally
> > he was 5NN too.  New 160M country in the log and another thing to be
> > thankful for.
> >
> > 73-
> >
> > Nick, WA5BDU
> >
> >
>
> WOW! A DX wasp!
>
> 73 and congrats, Roger
>
>
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-- 
Gary
VK4FD - Motorhome Mobile
http://www.qsl.net/vk4fd/
K3 #679, P3 #546
For everything else there's Mastercard!!!
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[Elecraft] Why XIT when A->B/SPLIT works [Was:Re: Does knowing the DXpedition has K3's change your]

[Larry 'Rebar' Rebarchik - N6CCH]

 From the sound if this, you do not have a second VFO, me too.
Why not use A->B and then hold A->B for SPLIT and tune the B freq up the 
desired offset amount with the second VFO knob?
You'll see the TX arrow pointing down to the B frequency to be sure you 
are running SPLIT.

Before I learned to do this I was doing the XIT thing, but found that 
the A-to-B method works a lot better and is preserved between band 
changed and also with WriteLog S&P memories I can recall everything the 
way it was when I saved it.

On 11/24/2010 10:22 AM, Wes Stewart wrote:
> I tuned to their announced operating freq, set XIT to +5 and waited.

-- 
73,
de N6CCH aka Rebar

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Re: [Elecraft] K3: Latest Beta FW - Notch

[Lyle Johnson]

All reports so far indicate the notch problem is fixed.  Thank you to 
those who took the time to test and tell me the results.

I won't be sending out any more special file sets.  The Beta should be 
updated next week sometime with this fix.

73 es Happy Thanksgiving,

Lyle KK7P
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Re: [Elecraft] K3: Latest Beta FW - Vox, TX Gate and Notch

[Tim Tucker]

I'd rather have dual manual notch capability like the IC-7000...



On Wed, Nov 24, 2010 at 12:49 PM, Nate Bargmann  wrote:

> * On 2010 24 Nov 12:40 -0600, Jim Cox wrote:
> > I vote no on this option..
>
> I'd be fine with such an option so long as it is configurable.
>
> 73, de Nate N0NB >>
>
> --
>
> "The optimist proclaims that we live in the best of all
> possible worlds.  The pessimist fears this is true."
>
> Ham radio, Linux, bikes, and more: http://n0nb.us/index.html
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Re: [Elecraft] [OT] Computer problem - need advice

[sandmanx]

I'd suggest downloading the Ultimate Boot CD and running Memtest86 for 24 
hours.  Usually when there are memory errors, they will happen immediately, but 
if it does make it past the first few minutes a 24 hour burn in sometimes will 
throw some errors, which still means there is bad memory in the machine.

Phil
KD5GKE

--- On Wed, 11/24/10, DC  wrote:
> Sounds like you have some memory going bad.  There is
> memory testing 
> software free on the internet..
> 
> Dick
> W6DDC



  
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[Elecraft] [K3] Tight Spot in VFO A Rotation

[Roy Morris]

I experienced a "tightness" at one place during the VFO A rotation.  Removing 
the knob and repositioning the felt washer did not fix it.  I removed the felt 
washer, the three screws holding the clear plastic plate, two VFO shaft nuts, 
carefully shifted the shaft of the encoder to make sure it was exactly 
perpendicular to the front panel and replaced everything.  This cured the 
"tight spot" in my VFO A rotation.  Roy Morris  W4WFB
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[Elecraft] Re： At least one K3 at ZL8X

[Johnny Siu]

I mentioned the use of K3 in ZL8X in this mail reflector well before hand.

I attended the Asia Pacific DX Convention http://apdxc.org on 7 Nov 2010 when 
SP5XVY gave his presentation of ZL8X.

All the radios in teh ZL8X are K3.
 cheers, 


Johnny VR2XMC 



- 郵件原件 
寄件人﹕ "Milt, N5IA" 
收件人﹕ Guy Olinger K2AV ; "David Ferrington, M0XDF" 

副本(CC) elecraft@mailman.qth.net; John Harper 
傳送日期﹕ 2010/11/25 (四) 12:30:49 AM
主題： Re: [Elecraft] At least one K3 at ZL8X


- Original Message - 
From: "Guy Olinger K2AV" 


> All the rigs in the pictures are K3's.  The clue is the carrying strap +
> size, or the strip of light gray buttons on the right front panel + size.
> 73, Guy.


Given that three of the Germans plus SP5XVY were members of the VP6DX team 
which outed the K-3 into the DXpedition environment, and given that personal 
messages from some of these guys indicated that the transceiver lineup would 
be K-3s, I am suggesting there is a high percentage of possibility that the 
expedition is POWERED BY ELECRAFT.

73 de Milt, N5IA 


  
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Re: [Elecraft] K3 VFO converter/Knob

[Claude Du Berger]

Well, I removed the knob and the felt washer... and just turning
the shaft with my fingers I can hear the friction noise. Of course that
is with the RX muted, computer off in a quiet shack. Maybe I have
a bad encoder...

73 de Claude VE2FK
K3# 3889

  - Original Message - 
  From: Nate Bargmann 
  To: elecraft@mailman.qth.net 
  Sent: Wednesday, November 24, 2010 3:48 PM
  Subject: Re: [Elecraft] K3 VFO converter/Knob


  * On 2010 24 Nov 12:37 -0600, Claude Du Berger wrote:
  > Hello group
  > Is it normal while turning the Main VFO Knob I hear
  > some noise like friction?  no there is not too much friction.

  Yes.

  > I dont hear such noise on my old IC-746

  The K3 uses a fiber disk to provide the friction.  The result is a
  slight bit of noise as the knob rotates along the disk.  I've read
  suggestions to use various other materials including felt.  When the
  AF is up I don't even notice it.

  73, de Nate >>

  -- 
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Re: [Elecraft] K3 VFO converter/Knob

[Wes Stewart]

What "fiber"?  Mine was a kit and the material was definitely felt washers (2 
in the kit).

I could never get the feel I wanted and didn't like the sound either. I 
replaced the washers with a single, larger homemade felt washer that just fits 
the recess in the knob and is glued in, so there is only one sliding surface. 
Just a tiny swish now and acceptable feel, hopefully without too much loading 
on the bearing(s) in the shaft encoder.

Wes Stewart, N7WS

--- On Wed, 11/24/10, Nate Bargmann  wrote:

Yes.

The K3 uses a fiber disk to provide the friction.  The result is a
slight bit of noise as the knob rotates along the disk.  I've read
suggestions to use various other materials including felt.  When the
AF is up I don't even notice it.

73, de Nate >>



  
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Re: [Elecraft] K3 LoCut/HiCut

[Nate Bargmann]

* On 2010 24 Nov 16:04 -0600, Ramiro Aceves wrote:
> Hi K3 fans
> 
> Speaking about HI and LO Cut controls. I have notice this:
> 
> Tune a carrier at for example, 1 KHz tone.
> Set a computer waterfall with enough frequency resolution to see  few Hz 
> changes
> Play with HI and LO Cut controls up and down (of course, let the 1 KHz 
> signal pass trough the filter).
> 
> Result, the carrier frecuency will be shifted by a few Hz.
> 
> Do you hace same results in your K3?

Yes.  If you don't want FC to change, switch to the Width/Shift controls.
It's a feature, not a bug (TM).

> Do Low and Hi Cut controls only have effect on the DSP filters?

I would presume so as my understanding is that all of this "magic" takes
place in the DSP and the crystal filters operate at a fixed offset, if
required.

73, de Nate N0NB >>

-- 

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

Ham radio, Linux, bikes, and more: http://n0nb.us/index.html
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Re: [Elecraft] International trip kx1/k1

[Bob Nielsen]

I assume you meant Aix-en-Provence :^)

It's been a few years but when I took my K2 to Europe the TSA folks ran it (in 
a case) through the X-ray and then past some other sort of scanner.  They 
didn't ask what it was or have me remove it from the case.

Check the ARRL website for CEPT requirements: http://www.arrl.org/cept

73, Bob N7XY

On Nov 23, 2010, at 7:40 AM, Jay Sissom wrote:

> Hello, it looks like I am going to be very fortunate and will have be
> taking a trip to Aix-de-Provence in France this summer.  I've found
> that a US ham can operate there with no problems, so now I have a
> difficult decision...which radio to take.  I have a KX1 and K1 so I'm
> trying to decide between the two.
> 
> If anyone has any hints on international travel with a radio and which
> radio they would suggest, I would appreciate it very much.  This will
> be my first international flight.  I have taken my KX1 on flights
> within America and have had no problems but I'm not sure what to
> expect when traveling outside the country.
> 
> 73
> Jay
> W9IUF
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Re: [Elecraft] K3 LoCut/HiCut

[Nate Bargmann]

* On 2010 24 Nov 15:44 -0600, Amateur Radio Operator N5GE wrote:
> 
> Nate,
> 
> Your explanation is excellent.

Accept my humble thanks.  :-)

> One of the things I miss in the Rice Box Radio manuals are the diagrams used 
> to
> describe this type of thing.  Sometimes a picture really is worth a thousand
> words.

I recall the TS-830S manual having graphics describing functions such as
the VBT and Notch very well.  With the ubiquity of YouTube and other
Internet video, such descriptions can be improved and made readily 
available.

73, de Nate N0NB >>

-- 

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

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Re: [Elecraft] K3 LoCut/HiCut

[Ramiro Aceves]

Hi K3 fans

Speaking about HI and LO Cut controls. I have notice this:

Tune a carrier at for example, 1 KHz tone.
Set a computer waterfall with enough frequency resolution to see  few Hz 
changes
Play with HI and LO Cut controls up and down (of course, let the 1 KHz 
signal pass trough the filter).

Result, the carrier frecuency will be shifted by a few Hz.

Do you hace same results in your K3?

Do Low and Hi Cut controls only have effect on the DSP filters?

Thanks, Ramiro.

EA4NZ

Amateur Radio Operator N5GE escribió:
> Nate,
> 
> Your explanation is excellent.
> 
> One of the things I miss in the Rice Box Radio manuals are the diagrams used 
> to
> describe this type of thing.  Sometimes a picture really is worth a thousand
> words.
> 
> 73,
> 
> Tom Childers
> Radio Amateur N5GE
> Licensed since 1976
> QCWA Member 35102
> ARRL Life Member
> 
> 
> On Wed, 24 Nov 2010 15:31:38 -0600, Nate Bargmann   wrote:
> 
>> * On 2010 24 Nov 14:55 -0600, n6...@cox.net wrote:
>>> Would someone please explain the purpose and function of the low cut and 
>>> high cut controls on the K3? There doesn't seem to be any explanation I can 
>>> find in the current user's manual and I'd like to make sure I'm 
>>> understanding their function correctly because the response I see on the P3 
>>> passband icon contridicts what I expected to see occur when increasing or 
>>> decreasing either setting. Thanks very much.
>> Gary, it may be easier to visualize each control manipulating a variable
>> high pass and low pass filter.  The Lo Cut cuts off low frequencies, or
>> rather, sets the cutoff frequency of a high pass filter.  The Hi Cut
>> does likewise, except it controls the cutoff frequency of a low pass
>> filter.  They allow you to adjust either side of the passband 
>> independently.  You can acheive the same thing with the Width and Shift
>> controls it's just that the way the K3 is set up using Width works well
>> on CW as it adjusts both cutoff frequencies but maintains a constant 
>> center frequency of the passband.  On SSB using either the Lo or Hi Cut
>> controls can significantly reduce QRM from one side or the other.
>>
>> On my recently departed FT-920 only the Lo and Hi Cut controls were
>> available in the DSP.  I like the K3's selection of either way of doing
>> it depending on the situation.  Over this past SSB Sweepstakes I found
>> the Lo/Hi Cut indespensible for digging stations from between others.
>>
>> Experiment!
>>
>> 73, de Nate N0NB >>
> 
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Re: [Elecraft] K3 VFO converter/Knob

[Irizarry, Michael]

I got the same issue and mine is a factory build. Doesn't seem to be hurting 
anything, however.

- Original Message -
From: elecraft-boun...@mailman.qth.net 
To: elecraft@mailman.qth.net 
Sent: Wed Nov 24 14:48:05 2010
Subject: Re: [Elecraft] K3  VFO converter/Knob

* On 2010 24 Nov 12:37 -0600, Claude Du Berger wrote:
> Hello group
> Is it normal while turning the Main VFO Knob I hear
> some noise like friction?  no there is not too much friction.

Yes.

> I dont hear such noise on my old IC-746

The K3 uses a fiber disk to provide the friction.  The result is a
slight bit of noise as the knob rotates along the disk.  I've read
suggestions to use various other materials including felt.  When the
AF is up I don't even notice it.

73, de Nate >>

-- 

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

Ham radio, Linux, bikes, and more: http://n0nb.us/index.html
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Re: [Elecraft] K3 VFO converter/Knob

[Scott Ellington]

One advantage of assembling the K3 from a kit is that you learn how it is built 
mechanically, which is often useful.  Assembly is really easy, though I 
recommend buying a nice, new number 0 Phillips screwdriver.

73,

Scott  K9MA


On Nov 24, 2010, at 2:48 PM, Nate Bargmann wrote:

> The K3 uses a fiber disk to provide the friction.  The result is a
> slight bit of noise as the knob rotates along the disk.

Scott Ellington
Madison, Wisconsin
USA



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Re: [Elecraft] K3 VFO converter/Knob

[Nate Bargmann]

* On 2010 24 Nov 12:37 -0600, Claude Du Berger wrote:
> Hello group
> Is it normal while turning the Main VFO Knob I hear
> some noise like friction?  no there is not too much friction.

Yes.

> I dont hear such noise on my old IC-746

The K3 uses a fiber disk to provide the friction.  The result is a
slight bit of noise as the knob rotates along the disk.  I've read
suggestions to use various other materials including felt.  When the
AF is up I don't even notice it.

73, de Nate >>

-- 

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

Ham radio, Linux, bikes, and more: http://n0nb.us/index.html
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Re: [Elecraft] K3 LoCut/HiCut

[Amateur Radio Operator N5GE]

Nate,

Your explanation is excellent.

One of the things I miss in the Rice Box Radio manuals are the diagrams used to
describe this type of thing.  Sometimes a picture really is worth a thousand
words.

73,

Tom Childers
Radio Amateur N5GE
Licensed since 1976
QCWA Member 35102
ARRL Life Member


On Wed, 24 Nov 2010 15:31:38 -0600, Nate Bargmann   wrote:

>* On 2010 24 Nov 14:55 -0600, n6...@cox.net wrote:
>> Would someone please explain the purpose and function of the low cut and 
>> high cut controls on the K3? There doesn't seem to be any explanation I can 
>> find in the current user's manual and I'd like to make sure I'm 
>> understanding their function correctly because the response I see on the P3 
>> passband icon contridicts what I expected to see occur when increasing or 
>> decreasing either setting. Thanks very much.
>
>Gary, it may be easier to visualize each control manipulating a variable
>high pass and low pass filter.  The Lo Cut cuts off low frequencies, or
>rather, sets the cutoff frequency of a high pass filter.  The Hi Cut
>does likewise, except it controls the cutoff frequency of a low pass
>filter.  They allow you to adjust either side of the passband 
>independently.  You can acheive the same thing with the Width and Shift
>controls it's just that the way the K3 is set up using Width works well
>on CW as it adjusts both cutoff frequencies but maintains a constant 
>center frequency of the passband.  On SSB using either the Lo or Hi Cut
>controls can significantly reduce QRM from one side or the other.
>
>On my recently departed FT-920 only the Lo and Hi Cut controls were
>available in the DSP.  I like the K3's selection of either way of doing
>it depending on the situation.  Over this past SSB Sweepstakes I found
>the Lo/Hi Cut indespensible for digging stations from between others.
>
>Experiment!
>
>73, de Nate N0NB >>

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Re: [Elecraft] [OT] Computer problem - need advice

[DC]

On 11/24/2010 8:30 AM, Phil Kane wrote:
> On 11/24/2010 7:42 AM, Barry wrote:
>
>> Every few days, I walk back into the shack and see the Blue
>> Screen of Death on my monitor.  it says, "Hardware malfunction
>> Parity Check/Memory Parity Error. I'm using a Dell Inspiron
>> laptop with WinXP.
>> Any ideas?  Does this mean the laptop is on its way out?
>That would be the first conclusion that one would jump to, but
>wait
>
>On my wife's mini-tower running XP Pro SP3, the "cannot find
>boot drive" would come up frequently, sometimes within an hour
>after rebooting.  It was clean-up time:
>
> Make sure you have a full backup of all partitions.
>
> Run VIPRE (virus/malware program) - no malware.
>
> Run Registry Mechanic  - found and repaired several hundred
> registry errors.
>
> Clean caches - dumps all sorts of stuff. (XP has a facility
> for that)
>
> Reseat connectors for hard drive and memory sticks.
>
>It took several cycles of the above to really clean it up, but
>it hasn't misbehaved since - we leave it on 24/7.
>
> --  73 de K2ASP - Phil Kane
>  Elecraft K2/100   s/n 5402
>
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Sounds like you have some memory going bad.  There is memory testing 
software free on the internet..

Dick
W6DDC
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Re: [Elecraft] K3 LoCut/HiCut

[Amateur Radio Operator N5GE]

I see that the question has been answered, but I would like to tell you how I
find the answers to questions about operating the K3.

I keep a copy of the LATEST K3 operating manual on my desk-top (computer).

When I get confused about how something works or want to learn what it's for, I
use the find functionality of Adobe Reader to search for the answer in the
manual.

For example: Searching for the words "low cut" takes one to explanations on page
23.

Searching for "filter controls" takes one to pages 5, 9, 14, and  23.

After, or while reading the information on those pages and trying them out as I
do, so I get a pretty good idea of their purpose.

Please don't interpret this as an admonition.  It is meant to advise.




On Wed, 24 Nov 2010 12:53:32 -0800,   wrote:

73,

Tom Childers
Radio Amateur N5GE
Licensed since 1976
QCWA Member 35102
ARRL Life Member


>Would someone please explain the purpose and function of the low cut and high 
>cut controls on the K3? There doesn't seem to be any explanation I can find in 
>the current user's manual and I'd like to make sure I'm understanding their 
>function correctly because the response I see on the P3 passband icon 
>contridicts what I expected to see occur when increasing or decreasing either 
>setting. Thanks very much.
>Gary
>N6LRV
>__
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Re: [Elecraft] K3 LoCut/HiCut

[Nate Bargmann]

* On 2010 24 Nov 14:55 -0600, n6...@cox.net wrote:
> Would someone please explain the purpose and function of the low cut and high 
> cut controls on the K3? There doesn't seem to be any explanation I can find 
> in the current user's manual and I'd like to make sure I'm understanding 
> their function correctly because the response I see on the P3 passband icon 
> contridicts what I expected to see occur when increasing or decreasing either 
> setting. Thanks very much.

Gary, it may be easier to visualize each control manipulating a variable
high pass and low pass filter.  The Lo Cut cuts off low frequencies, or
rather, sets the cutoff frequency of a high pass filter.  The Hi Cut
does likewise, except it controls the cutoff frequency of a low pass
filter.  They allow you to adjust either side of the passband 
independently.  You can acheive the same thing with the Width and Shift
controls it's just that the way the K3 is set up using Width works well
on CW as it adjusts both cutoff frequencies but maintains a constant 
center frequency of the passband.  On SSB using either the Lo or Hi Cut
controls can significantly reduce QRM from one side or the other.

On my recently departed FT-920 only the Lo and Hi Cut controls were
available in the DSP.  I like the K3's selection of either way of doing
it depending on the situation.  Over this past SSB Sweepstakes I found
the Lo/Hi Cut indespensible for digging stations from between others.

Experiment!

73, de Nate N0NB >>

-- 

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possible worlds.  The pessimist fears this is true."

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Re: [Elecraft] K3 Rx IMD

[Ramiro Aceves]

Thanks Guy for the explanations about IMD measurements. I need a signal 
generator to do better tests and get rid of the need of receiving a 
broadcast carrier. I was thinking in building a simple Xtal oscillator 
and some attenuators.

73, Ramiro. EA4NZ




Guy Olinger K2AV escribió:
> You do know that you cannot do valid IMD sweep measurements with AGC on?
> 
> First thing I have to do for any measurements is turn off the AGC and 
> set fixed levels.  Particularly very fast config of fast AGC won't 
> work.  It won't be valid for absolute measurements, but the bandwidth 
> needs to be at least four times the spacing of the two to prevent AGC 
> severely warping the content. And then you will need to provide your 
> single tone sweep selectivity EXTERNAL to the K3.  Your fast AGC is 
> pulling up the IMD tones by changing the RX gain during the sweep.
> 
> 73, Guy.
> 
> On Wed, Nov 24, 2010 at 3:07 PM, Ramiro Aceves  > wrote:
> 
> Hello all
> 
> As David suggested we continue the discussion on the list. I have done
> some new poor man tests, using a local AM carrier on Medium Wave at 917
> KHz. For generating the other tone, I am using the same home made DDS
> generator as before. At this lower frequencies the signal generated by
> the DDS is much more cleaner.  The antenna is a 6.5m long dipole on the
> balcony and an open wire feeder as in the earlier tests, but using only
> one half of the dipole by just directly connecting one open wire end to
> the K3 antenna connector. The reasons of doing that is that my T match
> tunner does not work below 1.8 MHz. This eliminates the posibility of
> IMD products produced on the tuner toroids. It does not remove, just in
> case, other no-linearities found everywhere as suggested by (sorry for
> my poor english, I hope you understand me).
> 
> 10 Hz spacing, ACG-F:
> 
> http://ea1abz.ure.es/acg-F.png
> 
> 
> Now with AGC-S, notice the strong reduction of IMD:
> 
> http://ea1abz.ure.es/agc-S.png
> 
> 
> 
> Now see the AGS-S to AGC-S-soft transition on the middle of the capture:
> 
> http://ea1abz.ure.es/agc-S_vs_agc-soft.png
> 
> 
> 
> Now see the IMD at 100Hz spacing, AGC-F to AGC-S transition at the
> middle of the screen:
> 
> http://ea1abz.ure.es/100Hz.png
> 
> 
> Sorry for the poor noise floor, is the Madrid band noise received by the
> antenna. Hi.
> 
> I see that the IMD problem is worse with small carrier distances. At 100
> Hz spacing they are much more weaker and not problematic.
> 
> 
> 73, Ramiro.
> 
> EA4NZ
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> 

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[Elecraft] [K2] What a feeling!!! No smell, no smoke

[IZ2NYY]

Tonight i enjoyed (really) the first tests of my k2 #6995. The anxious moments 
in which i gave the power supply for the first time to' my baby.no smell, 
no smoke!! WOW
What a music for my ears those clicks from the relays, what a beautiful green 
that wonderfull display, what smoothness that encoder. Yen i know i'm terribly 
romantic, but it has been a great moment in my short life of ham radio operator.
The only disappoint was to a passage of manual: in the first step of tests we 
must be sure of putting s1 on off position and give supply, then the manual 
says that we should see info102 on the display and so on. Only on the next step 
it says to put on on position s1 In my condition of newbie i was terrified 
by the fact that in this way nothing happens till when you switch on s1. A bit 
of fear, a bit of brain and..switch on that baby, c'mon!!! That's all 
there, well done! At lesa till now ;D

Pippo 
IZ2NYY

Sent from my IPAD
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Re: [Elecraft] K3 Rx IMD

[Guy Olinger K2AV]

You do know that you cannot do valid IMD sweep measurements with AGC on?

First thing I have to do for any measurements is turn off the AGC and set
fixed levels.  Particularly very fast config of fast AGC won't work.  It
won't be valid for absolute measurements, but the bandwidth needs to be at
least four times the spacing of the two to prevent AGC severely warping the
content. And then you will need to provide your single tone sweep
selectivity EXTERNAL to the K3.  Your fast AGC is pulling up the IMD tones
by changing the RX gain during the sweep.

73, Guy.

On Wed, Nov 24, 2010 at 3:07 PM, Ramiro Aceves  wrote:

> Hello all
>
> As David suggested we continue the discussion on the list. I have done
> some new poor man tests, using a local AM carrier on Medium Wave at 917
> KHz. For generating the other tone, I am using the same home made DDS
> generator as before. At this lower frequencies the signal generated by
> the DDS is much more cleaner.  The antenna is a 6.5m long dipole on the
> balcony and an open wire feeder as in the earlier tests, but using only
> one half of the dipole by just directly connecting one open wire end to
> the K3 antenna connector. The reasons of doing that is that my T match
> tunner does not work below 1.8 MHz. This eliminates the posibility of
> IMD products produced on the tuner toroids. It does not remove, just in
> case, other no-linearities found everywhere as suggested by (sorry for
> my poor english, I hope you understand me).
>
> 10 Hz spacing, ACG-F:
>
> http://ea1abz.ure.es/acg-F.png
>
>
> Now with AGC-S, notice the strong reduction of IMD:
>
> http://ea1abz.ure.es/agc-S.png
>
>
>
> Now see the AGS-S to AGC-S-soft transition on the middle of the capture:
>
> http://ea1abz.ure.es/agc-S_vs_agc-soft.png
>
>
>
> Now see the IMD at 100Hz spacing, AGC-F to AGC-S transition at the
> middle of the screen:
>
> http://ea1abz.ure.es/100Hz.png
>
>
> Sorry for the poor noise floor, is the Madrid band noise received by the
> antenna. Hi.
>
> I see that the IMD problem is worse with small carrier distances. At 100
> Hz spacing they are much more weaker and not problematic.
>
>
> 73, Ramiro.
>
> EA4NZ
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Re: [Elecraft] K3 LoCut/HiCut

[Michael Downs]

Gary,

See page 14 "Filter Controls" and page 23 "Filter Passband Controls of the 
Owner's Manual.

Mike, ks7d

On Nov 24, 2010, at 3:53 PM,  wrote:

> Would someone please explain the purpose and function of the low cut and high 
> cut controls on the K3? There doesn't seem to be any explanation I can find 
> in the current user's manual and I'd like to make sure I'm understanding 
> their function correctly because the response I see on the P3 passband icon 
> contridicts what I expected to see occur when increasing or decreasing either 
> setting. Thanks very much.
> Gary
> N6LRV
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[Elecraft] K3 LoCut/HiCut

[n6lrv]

Would someone please explain the purpose and function of the low cut and high 
cut controls on the K3? There doesn't seem to be any explanation I can find in 
the current user's manual and I'd like to make sure I'm understanding their 
function correctly because the response I see on the P3 passband icon 
contridicts what I expected to see occur when increasing or decreasing either 
setting. Thanks very much.
Gary
N6LRV
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Re: [Elecraft] At least one K3 at ZL8X

[Milt, N5IA]

- Original Message - 
From: "Guy Olinger K2AV" 


> All the rigs in the pictures are K3's.  The clue is the carrying strap +
> size, or the strip of light gray buttons on the right front panel + size.
> 73, Guy.


Given that three of the Germans plus SP5XVY were members of the VP6DX team 
which outed the K-3 into the DXpedition environment, and given that personal 
messages from some of these guys indicated that the transceiver lineup would 
be K-3s, I am suggesting there is a high percentage of possibility that the 
expedition is POWERED BY ELECRAFT.

73 de Milt, N5IA 

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Re: [Elecraft] K3: Latest Beta FW - Vox, TX Gate and Notch

[Nate Bargmann]

* On 2010 24 Nov 12:40 -0600, Jim Cox wrote:
> I vote no on this option..

I'd be fine with such an option so long as it is configurable.

73, de Nate N0NB >>

-- 

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possible worlds.  The pessimist fears this is true."

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Re: [Elecraft] Does knowing the DXpedition has K3's change your

[John Harper]

I was, Julian - tnx for the clarification!

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



Julian, G4ILO wrote:
When I read John's post, I thought he was talking about spotting i.e.
*observing* what frequency the last guy to work the DX was on so he could
call on exactly the same QRG. I didn't think he meant internet spotting at
all. Strange how two people can read one post and get completely different
ideas of what he was saying ... :)

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Re: [Elecraft] K3 Rx IMD

[Ramiro Aceves]

Hello all

As David suggested we continue the discussion on the list. I have done 
some new poor man tests, using a local AM carrier on Medium Wave at 917 
KHz. For generating the other tone, I am using the same home made DDS 
generator as before. At this lower frequencies the signal generated by 
the DDS is much more cleaner.  The antenna is a 6.5m long dipole on the 
balcony and an open wire feeder as in the earlier tests, but using only 
one half of the dipole by just directly connecting one open wire end to 
the K3 antenna connector. The reasons of doing that is that my T match 
tunner does not work below 1.8 MHz. This eliminates the posibility of 
IMD products produced on the tuner toroids. It does not remove, just in 
case, other no-linearities found everywhere as suggested by (sorry for 
my poor english, I hope you understand me).

10 Hz spacing, ACG-F:

http://ea1abz.ure.es/acg-F.png


Now with AGC-S, notice the strong reduction of IMD:

http://ea1abz.ure.es/agc-S.png



Now see the AGS-S to AGC-S-soft transition on the middle of the capture:

http://ea1abz.ure.es/agc-S_vs_agc-soft.png



Now see the IMD at 100Hz spacing, AGC-F to AGC-S transition at the 
middle of the screen:

http://ea1abz.ure.es/100Hz.png


Sorry for the poor noise floor, is the Madrid band noise received by the 
antenna. Hi.

I see that the IMD problem is worse with small carrier distances. At 100 
Hz spacing they are much more weaker and not problematic.


73, Ramiro.

EA4NZ
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Re: [Elecraft] Does knowing the DXpedition has K3's change your

[Julian, G4ILO]

Wes Stewart wrote:
> 
> BTW, about what I said spots.  Since my last message a few minutes ago, I
> worked ZL8X on 15M CW.  I then heard him say QSY SSB.  I tuned to their
> announced operating freq, set XIT to +5 and waited. When he made his first
> CQ I got him on one call, with my 40-meter inverted-vee.
> 
> Then for the heck of it, I spotted him on the Internet.  If I was sitting
> around waiting for spots, I would now be in a pileup competing with guys
> with beams.
> 

When I read John's post, I thought he was talking about spotting i.e.
*observing* what frequency the last guy to work the DX was on so he could
call on exactly the same QRG. I didn't think he meant internet spotting at
all. Strange how two people can read one post and get completely different
ideas of what he was saying ... :)

-
Julian, G4ILO. K2 #392  K3 #222.
* G4ILO's Shack - http://www.g4ilo.com
* KComm - http://www.g4ilo.com/kcomm.html
* KTune - http://www.g4ilo.com/ktune.html

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Re: [Elecraft] P3 click-click

[KF4VTT]

This may be the COR (carrier-operated relay) cutting in because of the strong
signal level.  I have experienced the same thing on 40M.

73,
Doug Fleming
KF4VTT
K3#1289
P3#371
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[Elecraft] P3 click-click

[Michael Fox - N6MEF]

I noticed that if I'm on 6m, with the PR6 selected (press RX ANT) and Preamp
on (press PRE), then the P3 makes a click-click noise about every 9 seconds.
When it does so, I get a horizontal red line across the waterfall display.

 

Any thoughts?

 

Michael

N6MEF

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Re: [Elecraft] K3: Latest Beta FW - Vox, TX Gate and Notch

[Jim Cox]

I vote no on this option..

Jim K4JAF


- Original Message - 
From: "Amateur Radio Operator N5GE" 
To: 
Sent: Wednesday, November 24, 2010 12:16 PM
Subject: Re: [Elecraft] K3: Latest Beta FW - Vox, TX Gate and Notch


>
>
> On Wed, 24 Nov 2010 00:53:21 -0800, W7BRS Jeff Wandling 
> 
> wrote:
>
> [snip]
>
> Not me!
>
>>How many of you would like this:   Whatever your NOTCH setting is, it is
>>preserved on power cycle similar to the way NB, NR, AGC, etc.. are 
>>preserved
>>on power cycle.
>>
> [snip]
>
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[Elecraft] K3 VFO converter/Knob

[Claude Du Berger]

Hello group
Is it normal while turning the Main VFO Knob I hear
some noise like friction?  no there is not too much friction.
I dont hear such noise on my old IC-746

73, Claude VE2FK
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Re: [Elecraft] K3 Rx IMD

[David Cutter]

Please stay on the list, guys, this is interesting stuff that I'm sure many 
would like to hear more of.

David
G3UNA

> Sorry for being slow to reply.
>
> Oh yes, a coil wound on a core made from "Ferrite" or "Powdered Iron" will
> be a source of IMD products, the culprit being the core. The level of the
> IMD products generated by a core depends on a number of factors, which we
> could discuss "Off List" if you wish.
>
> While I understand Lyle's point concerning the AGC, I cannot shake my
> suspicion that something in or near your antenna is behaving as a mixer, 
> and
> is the source of IMD products. The problem with adding the DDS' signal by
> coupling to the antenna is that you have no control over "unwanted" mixers
> in the vicinity. To disprove (or confirm) my suspicion, my suggestion is
> that you build a hybrid combiner, and use it to inject the BC and DDS
> signals into the K3.
>
> 73,
>
> Geoff
> GM4ESD
>
>
> On Wednesday, November 24, 2010, at 7:59 AM, Ramiro Aceves wrote?
>
>
>> Can the toroid  inside the antenna T tunner
>> be the culprit? Any ideas to test will be welcome.
>
>
> 
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Re: [Elecraft] Does knowing the DXpedition has K3's change your expectations?

[Barry]

It means they are smarter than the average bear and also are paying less in
overweight baggage fees :.)

Seriously, I'm sure it's coincidence, but I worked the ZL8 on my third call,
which is pretty amazing for my puny signal.  I spent hours calling the PJs.

Barry W2UP
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Re: [Elecraft] Does knowing the DXpedition has K3's change your

[Wes Stewart]

As I said, mental telepathy :-)

BTW, about what I said spots.  Since my last message a few minutes ago, I 
worked ZL8X on 15M CW.  I then heard him say QSY SSB.  I tuned to their 
announced operating freq, set XIT to +5 and waited. When he made his first CQ I 
got him on one call, with my 40-meter inverted-vee.

Then for the heck of it, I spotted him on the Internet.  If I was sitting 
around waiting for spots, I would now be in a pileup competing with guys with 
beams.

Wes Stewart, N7WS

--- On Wed, 11/24/10, John Harper  wrote:


> I knew you were going to say that...
> 
> John AE5X
> http://www.ae5x.com/blog
> 
> 
> 
> >I think your "getting through" better is more a
> function of mental telepathy than hardware
> 


  
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Re: [Elecraft] K3: Latest Beta FW - Vox, TX Gate and Notch

[Amateur Radio Operator N5GE]

On Wed, 24 Nov 2010 00:53:21 -0800, W7BRS Jeff Wandling 
wrote:

[snip]

Not me! 

>How many of you would like this:   Whatever your NOTCH setting is, it is
>preserved on power cycle similar to the way NB, NR, AGC, etc.. are preserved
>on power cycle.
>
[snip]

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Re: [Elecraft] Does knowing the DXpedition has K3's change your

[John Harper]

I knew you were going to say that...

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



>I think your "getting through" better is more a function of mental telepathy 
>than hardware
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Re: [Elecraft] Does knowing the DXpedition has K3's change your expectations?

[Wes Stewart]

First you assume that everyone uses spots.  Some of us do not.  (I know I'm in 
the minority here)

Second, if a DX station is working split, you don't know where he is listening 
but I doubt that he is using 50 Hz BW, especially if he's working a mode other 
than CW :-)

I think your "getting through" better is more a function of mental telepathy 
than hardware.

Wes Stewart, N7WS

--- On Wed, 11/24/10, John Harper  wrote:


> I upgraded to the K3 from a very old,
> very basic rig and am unsure if other modern rigs are
> capable of such a narrow bandwidth that is actually useful,
> ie w/o ringing.
> 
> With a 50Hz bandwidth, I'm learning that spotting the last
> station worked by the DX is much more accurate than would be
> possible if I had to use say a 250Hz bandwidth. And with a
> K3 on the other end (the DX station) presumedly dialed to a
> narrow width also, he's only going to hear those who've
> spotted him precisely.
> 
> As I said, I'm not sure if these bandwidths are unique to
> the K3 but, coming from an FT840, I sure seem to be getting
> thru the pile-ups more easily than I use to and believe this
> may be the reason as it's the only thing that's changed here
> (although the UPS guy will be delivering a 600w amp
> Wednesday!).
> 
> John AE5X
> http://www.ae5x.com/blog



  
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Re: [Elecraft] [K3] ZL8X on 160 from Arkansas

[Roger D Johnson]

Nick-WA5BDU wrote:
> I've been turning on 160 the first thing in the morning for a couple 
> weeks, ever since putting elevated radials under my inverted L, and 
> hearing nothing but noise and a couple U.S. super stations calling CQ 
> DX.  Did I mention there was a wasp on the window outside my room yesterday?
>
> So this morning the cluster reported that he was on 1.826.5 and 
> eventually I was able to barely hear him.  Using every trick in the K3's 
> tool box including APF, I could finally make him out sending his call, 
> but he was ESP level.  I put in my call a few times without much hope of 
> working him.  After one last time, I decided to go cook some oatmeal and 
> maybe check again in 30 minutes, so I pushed the TX standby switch on 
> the rig as I always do when I walk away from it. I don't want the cats 
> working DX with my call.
>
> Just as I was pulling the phones off, I heard: DU?  So I mashed the TX 
> standby switch for the eternity of one-half second it takes to go back 
> to active.  While doing this, I felt a tiny breeze on the back of my 
> hand -- that red wasp was attempting a landing.  I heard the beep and 
> moved my hand to the paddle, the wasp landed on the K3's display, and I 
> sent 'WA5BDU' a couple times.  He came back 'WA5BDU 5NN' and naturally 
> he was 5NN too.  New 160M country in the log and another thing to be 
> thankful for.
>
> 73-
>
> Nick, WA5BDU
>
>   

WOW! A DX wasp!

73 and congrats, Roger


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[Elecraft] Changing Frequency with P3

[dickjoanne]

After selecting MKR A and pressing the Select knob, the P3 does not change the 
frequency on the K3 as the instructions suggest.

I cannot seem to figure out what might be wrong.

Dick Brown
KT6X
K3 4916
P3 845
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Re: [Elecraft] [OT] Computer problem - need advice

[Barry]

Thanks for the advice, gang.  Memory modules were easy to get to, so I
reseated them.  Will follow Phil's suggestion next and then wait and see. 
If still problems, will replace the RAM modules.  Certainly cheap enough
these days.  
Barry W2UP
-- 
View this message in context: 
http://elecraft.365791.n2.nabble.com/OT-Computer-problem-need-advice-tp5770799p5771241.html
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[Elecraft] [K3] ZL8X on 160 from Arkansas

[Nick-WA5BDU]

I've been turning on 160 the first thing in the morning for a couple 
weeks, ever since putting elevated radials under my inverted L, and 
hearing nothing but noise and a couple U.S. super stations calling CQ 
DX.  Did I mention there was a wasp on the window outside my room yesterday?

So this morning the cluster reported that he was on 1.826.5 and 
eventually I was able to barely hear him.  Using every trick in the K3's 
tool box including APF, I could finally make him out sending his call, 
but he was ESP level.  I put in my call a few times without much hope of 
working him.  After one last time, I decided to go cook some oatmeal and 
maybe check again in 30 minutes, so I pushed the TX standby switch on 
the rig as I always do when I walk away from it. I don't want the cats 
working DX with my call.

Just as I was pulling the phones off, I heard: DU?  So I mashed the TX 
standby switch for the eternity of one-half second it takes to go back 
to active.  While doing this, I felt a tiny breeze on the back of my 
hand -- that red wasp was attempting a landing.  I heard the beep and 
moved my hand to the paddle, the wasp landed on the K3's display, and I 
sent 'WA5BDU' a couple times.  He came back 'WA5BDU 5NN' and naturally 
he was 5NN too.  New 160M country in the log and another thing to be 
thankful for.

73-

Nick, WA5BDU
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[Elecraft] Does knowing the DXpedition has K3's change your expectations?

[John Harper]

I upgraded to the K3 from a very old, very basic rig and am unsure if other 
modern rigs are capable of such a narrow bandwidth that is actually useful, ie 
w/o ringing.

With a 50Hz bandwidth, I'm learning that spotting the last station worked by 
the DX is much more accurate than would be possible if I had to use say a 250Hz 
bandwidth. And with a K3 on the other end (the DX station) presumedly dialed to 
a narrow width also, he's only going to hear those who've spotted him precisely.

As I said, I'm not sure if these bandwidths are unique to the K3 but, coming 
from an FT840, I sure seem to be getting thru the pile-ups more easily than I 
use to and believe this may be the reason as it's the only thing that's changed 
here (although the UPS guy will be delivering a 600w amp Wednesday!).

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

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[Elecraft] RIT/XIT offset control moves vfo A in large steps?

[Rick Stealey]

Thanks to all who replied.  I did it and it works great.
Another gift from Elecraft that I didn't know I had.

Rick  K2XT
  
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[Elecraft] For Sale: EC2 Enclosure Kit

[Mike]

Please add to the next Elecraft lisitng:

For Sale: EC2 Enclosure Kit, new in box, never used, $50.
 
H. Michael Pierce
KD8DVV
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Re: [Elecraft] K3 LEDs light up, but won't come to life

[Mike Harris]

G'day,

Less than 20mV in all circumstances as measured on my Fluke 8020B. 
Unfortunately I don't have a 'scope so I can't look at the frequency 
component.  I used to have access to an earth stations worth of 
fancy test equipment so never bought my own!

I really don't think it is a PSU issue.  Something is stalling the 
logic, maybe not enough time for internal supplies or logic states 
to settle before ignition sequence starts.

Regards,

Mike VP8NO



- Original Message - 
From: "Guy Olinger K2AV" 
To: "Mike Harris" 
Cc: 
Sent: Wednesday, November 24, 2010 3:36 AM
Subject: Re: [Elecraft] K3 LEDs light up, but won't come to life


> Just covering some bases...   Put an AC voltmeter on the DC leads 
> from the
> switching supply and make sure any AC voltage is way way down in 
> the
> millivolts. Light load, heavy load, no load.   73, Guy.
>
> On Tue, Nov 23, 2010 at 6:44 PM, Mike Harris 
>  wrote:
>
>> Yes.
>>
>>
>> - Original Message - From: "Guy Olinger K2AV" <
>> olin...@bellsouth.net>
>> To: "Mike Harris" 
>> Cc: 
>> Sent: Tuesday, November 23, 2010 6:28 PM
>>
>> Subject: Re: [Elecraft] K3 LEDs light up, but won't come to life
>>
>>
>> Is that what you read on the K3 front panel display?
>>
>>
>> On Tue, Nov 23, 2010 at 4:20 PM, Mike Harris 
>> 
>> wrote:
>>
>>> 13.8V from an Alinco DM-330MW switcher
>>>
>>> Mike VP8NO
>>>
>>> - Original Message - From: "Guy Olinger K2AV"
>>> 
>>> To: "Mike Harris" 
>>> Cc: 
>>> Sent: Tuesday, November 23, 2010 6:04 PM
>>> Subject: Re: [Elecraft] K3 LEDs light up, but won't come to life
>>>
>>>
>>> What is the power supply supply voltage? 73, Guy.
>>>
>>> On Tue, Nov 23, 2010 at 3:58 PM, Mike Harris 
>>> 
>>> wrote:
>>>

 Hi,

 I've started to notice this in the past couple of months. I 
 turn
 the PSU off for a few seconds, then back on and all is OK. It 
 has
 happened maybe a dozen times.

 Regards,

 Mike VP8NO

 - Original Message -
 From: "Eric Rosenberg" 
 To: 
 Sent: Tuesday, November 23, 2010 5:49 PM
 Subject: [Elecraft] K3 LEDs light up, but won't come to life


  thi has happened three times:
>
> I turn on the K3, the LEDs on the four knobs under the display
> light up, but
> the display stays dark and I cannot power it off with the 
> power
> button.
>
> I have to disconnect the power, wait a little bit and 
> re-connect
> the radio.
> It comes back to life when I power it on.
>
> What's happening?
>
> Eric W3DQ
> Washington, DC
>

>>
>






No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 9.0.869 / Virus Database: 271.1.1/3275 - Release Date: 
11/23/10 16:34:00

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Re: [Elecraft] [OT] Computer problem - need advice

[Phil & Debbie Salas]

Barry - I had this problem randomly with my Dell Inspiron laptop over about a 
year or so.  Go to the Dell website and see if there are any operating system 
downloads for your computer.  There were for mine, and this completely fixed 
the problem.

Phil - AD5X
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Re: [Elecraft] [OT] Computer problem - need advice

[Phil Kane]

On 11/24/2010 7:42 AM, Barry wrote:

> Every few days, I walk back into the shack and see the Blue
> Screen of Death on my monitor.  it says, "Hardware malfunction
> Parity Check/Memory Parity Error. I'm using a Dell Inspiron
> laptop with WinXP.

> Any ideas?  Does this mean the laptop is on its way out?

  That would be the first conclusion that one would jump to, but
  wait

  On my wife's mini-tower running XP Pro SP3, the "cannot find
  boot drive" would come up frequently, sometimes within an hour
  after rebooting.  It was clean-up time:

   Make sure you have a full backup of all partitions.

   Run VIPRE (virus/malware program) - no malware.

   Run Registry Mechanic  - found and repaired several hundred
   registry errors.

   Clean caches - dumps all sorts of stuff. (XP has a facility
   for that)

   Reseat connectors for hard drive and memory sticks.

  It took several cycles of the above to really clean it up, but
  it hasn't misbehaved since - we leave it on 24/7.

--  73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

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Re: [Elecraft] K3 Rx IMD

[Geoffrey Mackenzie-Kennedy]

Sorry for being slow to reply.

Oh yes, a coil wound on a core made from "Ferrite" or "Powdered Iron" will 
be a source of IMD products, the culprit being the core. The level of the 
IMD products generated by a core depends on a number of factors, which we 
could discuss "Off List" if you wish.

While I understand Lyle's point concerning the AGC, I cannot shake my 
suspicion that something in or near your antenna is behaving as a mixer, and 
is the source of IMD products. The problem with adding the DDS' signal by 
coupling to the antenna is that you have no control over "unwanted" mixers 
in the vicinity. To disprove (or confirm) my suspicion, my suggestion is 
that you build a hybrid combiner, and use it to inject the BC and DDS 
signals into the K3.

73,

Geoff
GM4ESD


On Wednesday, November 24, 2010, at 7:59 AM, Ramiro Aceves wrote?


> Can the toroid  inside the antenna T tunner
> be the culprit? Any ideas to test will be welcome.


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Re: [Elecraft] At least one K3 at ZL8X

[Guy Olinger K2AV]

All the rigs in the pictures are K3's.  The clue is the carrying strap +
size, or the strip of light gray buttons on the right front panel + size.
73, Guy.

On Wed, Nov 24, 2010 at 10:02 AM, David Ferrington, M0XDF <
m0...@alphadene.co.uk> wrote:

> Pretty sure both of those you can see are K3's :-)
> 73 de M0XDF, K3 #174, P3 #108
> --
> When work is a pleasure, life is a joy! When work is a duty, life is
> slavery. -Maxim Gorky, author (1868-1936)
>
> On 24 Nov 2010, at 14:53, John Harper wrote:
>
> > Maybe more; can't tell from the angle of the other photos recently posted
> to their website:
> > http://www.kermadec.de/service/pictures/main.php?g2_itemId=142
>
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Re: [Elecraft] RIT/XIT offset control moves vfo A in large steps?

[Dick Dievendorff]

See CONFIG: VFO OFS on page 62 of the current K3 Owner's manual. VFO OFS
turns it on and off, and CONFIG:VFO CRS sets the tuning rate  (per mode).

73 de Dick, K6KR


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rick Stealey
Sent: Wednesday, November 24, 2010 7:09 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] RIT/XIT offset control moves vfo A in large steps?


In the K3 Utility program, ver 1.3.11.5, if you hit Help, then K3 Utility
Help, and look in the Contents tab and then Help over the Web, and then
Frequently Asked Questions you get to a fantastic document telling all about
features of the K3.

I suspect some parts of this document is out-of-date and discusses features
that were changed or not implemented yet but I want to be sure because this
is a feature I 
would like to make use of.   It says, "When RIT and XIT are both off, the
offset 
control advances VFO A in large steps, defined by the operator on a per-mode
basis (e.g. 2.5 kHz for SSB, 5/9/10 kHz for AM, etc.)."  This doesn't work
on my rig.  Is there something I failed to set up to get this to work, or is
it not implemented yet?

Rick  K2XT
  
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Re: [Elecraft] [OT] Computer problem - need advice

[Ken Alexander]

Hi Barry,

If you can get access to the memory simms/cards then you might try removing and 
re-inserting them.  This has been known to fix that sort of problem.  It's a 
no-cost action that might save you some $$$.

73,

Ken Alexander
VE3HLS



--- On Wed, 11/24/10, Barry  wrote:

> From: Barry 
> Subject: [Elecraft] [OT] Computer problem - need advice
> To: elecraft@mailman.qth.net
> Date: Wednesday, November 24, 2010, 10:42 AM
> Every few days, I walk back into the
> shack and see the Blue Screen of 
> Death on my monitor.  it says, "Hardware
> malfunction  Parity 
> Check/Memory Parity Error.
> I'm using a Dell Inspiron laptop with WinXP.
> 
> Any ideas?  Does this mean the laptop is on its way
> out?
> 
> Tnx,
> Barry
> 
> -- 
> 
> Barry Kutner, W2UP         
>    Lakewood, CO
> 
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[Elecraft] [OT] Computer problem - need advice

[Barry]

Every few days, I walk back into the shack and see the Blue Screen of 
Death on my monitor.  it says, "Hardware malfunction  Parity 
Check/Memory Parity Error.
I'm using a Dell Inspiron laptop with WinXP.

Any ideas?  Does this mean the laptop is on its way out?

Tnx,
Barry

-- 

Barry Kutner, W2UP Lakewood, CO

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Re: [Elecraft] RIT/XIT offset control moves vfo A in large steps?

[Nick-WA5BDU]

Rick-

This is a great feature for large QSYs.

In my manual (revision D2), it's on page 59 at the bottom.   In the VFO 
CRS entry, it says to set CONFIG:VFO OFS to "ON".  (Well, maybe I should 
have directed you to the VFO OFS entry on page 60 first.)

Some people prefer to leave it off because they bump the knob and do an 
inadvertent QSY.

73-

Nick, WA5BDU


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Re: [Elecraft] RIT/XIT offset control moves vfo A in large steps?

[Joe Subich, W4TV]

>> Is there something I failed to set up to get this to work, or is it
>> not implemented yet?

CONFIG:VFO OFS ON | OFF

73,

... Joe, W4TV


On 11/24/2010 10:09 AM, Rick Stealey wrote:
>
> In the K3 Utility program, ver 1.3.11.5, if you hit Help, then K3 Utility 
> Help, and look in
> the Contents tab and then Help over the Web, and then Frequently Asked 
> Questions you
> get to a fantastic document telling all about features of the K3.
>
> I suspect some parts of this document is out-of-date and discusses features 
> that were
> changed or not implemented yet but I want to be sure because this is a 
> feature I
> would like to make use of.   It says, "When RIT and XIT are both off, the 
> offset
> control advances VFO A in large steps, defined by the operator on a per-mode
> basis (e.g. 2.5 kHz for SSB, 5/9/10 kHz
> for AM, etc.)."  This doesn't work on
> my rig.  Is there something I failed to set up to get this to work, or is it 
> not
> implemented yet?
>
> Rick  K2XT
>   
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[Elecraft] RIT/XIT offset control moves vfo A in large steps?

[Rick Stealey]

In the K3 Utility program, ver 1.3.11.5, if you hit Help, then K3 Utility Help, 
and look in 
the Contents tab and then Help over the Web, and then Frequently Asked 
Questions you 
get to a fantastic document telling all about features of the K3.

I suspect some parts of this document is out-of-date and discusses features 
that were 
changed or not implemented yet but I want to be sure because this is a feature 
I 
would like to make use of.   It says, "When RIT and XIT are both off, the 
offset 
control advances VFO A in large steps, defined by the operator on a per-mode 
basis (e.g. 2.5 kHz for SSB, 5/9/10 kHz 
for AM, etc.)."  This doesn't work on 
my rig.  Is there something I failed to set up to get this to work, or is it not
implemented yet?

Rick  K2XT
  
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Re: [Elecraft] At least one K3 at ZL8X

[David Ferrington, M0XDF]

Pretty sure both of those you can see are K3's :-)
73 de M0XDF, K3 #174, P3 #108
-- 
When work is a pleasure, life is a joy! When work is a duty, life is
slavery. -Maxim Gorky, author (1868-1936)

On 24 Nov 2010, at 14:53, John Harper wrote:

> Maybe more; can't tell from the angle of the other photos recently posted to 
> their website:
> http://www.kermadec.de/service/pictures/main.php?g2_itemId=142

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[Elecraft] At least one K3 at ZL8X

[John Harper]

Maybe more; can't tell from the angle of the other photos recently posted to 
their website:
http://www.kermadec.de/service/pictures/main.php?g2_itemId=142

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

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Re: [Elecraft] K2 KPA100 tests

[Don Wilhelm]

  Mike,

How old is this KPA100(does it have red toroid cores or blue ones), and 
do you have the KDSP2 installed?  These may seem like unrelated 
questions, but actually they are not.  A looong time ago (with the older 
KPA100 T/R switch design) there was a problem with "click on unmute" 
when the KDSP2 also was installed.  The new T/R switch design corrected it.

OK on your wattmeter - if you used a "Larry" calibrated LP100 to set the 
KPA100 wattmeter, I think it is set right.  The LP-100 is one of the few 
wattmeters I trust.

73,
Don W3FPR

On 11/24/2010 6:17 AM, VE3WDM wrote:
> Good morning Don, The R8 was set to hold but I changed it to normal and tried
> the chirp was still there. I then went back to hold and tried again still a
> chirp. As you said it is not doing the rig any harm so I will just leave it
> as is. The watt meter that I am using is the LP-100A that I built and I had
> sent it down to Larry for calibration. Now having said that I meter does go
> through 2 LDG antenna switches before the rig. So I am on the weekend going
> to remove them and just have the rig and dummy load between the watt meter
> and see how it goes from there.
> Mike
> VE3WDM
>
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Re: [Elecraft] K2 KPA100 tests

[VE3WDM]

Good morning Don, The R8 was set to hold but I changed it to normal and tried
the chirp was still there. I then went back to hold and tried again still a
chirp. As you said it is not doing the rig any harm so I will just leave it
as is. The watt meter that I am using is the LP-100A that I built and I had
sent it down to Larry for calibration. Now having said that I meter does go
through 2 LDG antenna switches before the rig. So I am on the weekend going
to remove them and just have the rig and dummy load between the watt meter
and see how it goes from there. 
Mike
VE3WDM

-- 
View this message in context: 
http://elecraft.365791.n2.nabble.com/K2-KPA100-tests-tp5760475p576.html
Sent from the [K2] mailing list archive at Nabble.com.
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Re: [Elecraft] K3: Latest Beta FW - Vox, TX Gate and Notch

[W7BRS Jeff Wandling]

In reference to (email below), the observations are also noticed here.

First, thanks Lyle for looking at it.  Let us know if we're hearing things?

I had run 3.97 since I purchased the K3 (2nd K3), and was reluctant to
upgrade Firmware.  Fear of nightmare SS QRM made me decide to feast on the
new DSP to see if I could survive the maelstrom.  Wrong.   The audio gaps
are there as described below.  Further, it occurs also when adjusting WIDTH
even when on the same xtal.  I noticed it on 4.22, and 4.19.  I'm back to
3.97.   I prefer releases that are outta-beta; I believe that K3s are
shipped with the latest release that's gold-disc worthy.  I haven't figured
out if the release numbers mean anything or not.  Or how to tell a blood
dripping leading edge release vs. a version that has been regressed against
the backlog in Gnats.

I've used K3's for a long time (2 years), so unless something fundamental
has changed there is definitely a unique change to the code that creates a
silent audio (did I just write that) gap when making certain adjustments:
WIDTH on the same xtal (not the gap you hear when you flip from FL1 to FL2
when adjusting WIDTH).  Or activating NOTCH, etc..

Gary at Elecraft did a fine job trying to help.  No worries Gary.

But I think there's something to look at here.  This isn't expected
behavior.

And, while we're talking about NOTCH --

How many of you would like this:   Whatever your NOTCH setting is, it is
preserved on power cycle similar to the way NB, NR, AGC, etc.. are preserved
on power cycle.

73 and DX,

-jeff


Message: 27
Date: Tue, 23 Nov 2010 11:23:58 -0500
From: Guy Olinger K2AV 
Subject: Re: [Elecraft] K3: Latest Beta FW - Vox, TX Gate and Notch
   observations in ss
To: "N2TK, Tony" 
Message-ID:
   


Lyle is looking into this. 73, Guy.

On Tue, Nov 23, 2010 at 8:45 AM, N2TK, Tony  wrote:
> I don't use the Autonotch often. So just tried it. Using VOX when the K3
> switches back to receive I get audio as I should but very quickly the
audio
> drops out and very quickly it recovers. I don't think it would interrupt a
> QSO but it is annoying. Never noticed it before. It happens both in the
> Transmit mode and Test mode.
>
> I should have waited another day to upgrade from 4.17 to 4.22 in the other
> K3 to see if the earlier version did it too. May have to install earlier
> version again to see if it is still there.
>
> N2TK, Tony



-- 
Jeff Wandling 
DE W7BRS   http://dew7brs.blogspot.com
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Re: [Elecraft] K3 Rx IMD

[Ramiro Aceves]

Geoffrey Mackenzie-Kennedy escribió:
> Hi Ramiro,
> 
> Unfortunately I do not have a K3 to test because my receivers are 
> homebrewed.

That is a very interesting thing. I have also homebrewed receivers. They 
are far from perfect but I love them, hi.

> 
> I still believe that the IMD is generated by something outside of the 
> radios, one reason being that your results from the K3 and the FT-897 
> are not very different. The differences between the AGC-S, AGC-F and 
> AGC-OFF results could be a symptom of some other problem.

That makes sense. Once generated they would be  increased by the K3 "AGC 
pump" How can I test that?. Can the toroid  inside the antenna T tunner 
be the culprit? Any ideas to test will be welcome.
Anyway, Kok tests so that AGC-F makes IMD.

73, Ramiro.


> 
> 73,
> Geoff
> GM4ESD
> 
> 
> Ramiro Aceves wrote on Tuesday, November 23, 2010, at 9:41 PM
> 
>> If you have the time, can you make a 10Hz spaced test AGC-F, AGC-S and
>> AGC-off? I will appreciate that. Of course if you hace free time for 
>> that.
> 
> 
> 
> 
> 

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