Re: [Elecraft] (K3) filter setting shifts panadapter display

[Robert G Strickland]

Joe...

Excellent. Two equipment/function answers for one question. Very much 
appreciated. Have a good day.


...robert

On 10/5/2015 00:10, Joe Subich, W4TV wrote:



Not sure what the connection is, but it resoled the display problem.


The K3 shifts the IF center frequency based on mode, Shift/FC, and
selected filter to center the desired signal in the filter.  Without
knowing the IF center frequency (the IS; Get command), the panadapter
[assumed] center frequency will differ from the true IF center freq
by approximately +/- 3 KHz.

In this section I had polling for "IF Frequency" unchecked.

When you enable polling for IF Frequency, NaP3 can correct for the
actual IF frequency rather than assume a nominal value for each mode.

73,

   ... Joe, W4TV


On 10/4/2015 7:08 PM, Robert G Strickland wrote:

I think I solved this...
In NaP3 there are options for polling various rig parameters [CAT
Polling]. In this section I had polling for "IF Frequency" unchecked.
Once checked, all signals stayed where they belong. Not sure what the
connection is, but it resoled the display problem. Thanks for everyone's
help. It kept me at it till I came across this item.
...robert

On 10/3/2015 21:54, Robert G Strickland wrote:

I have a K3 [w/ new synthesizer], an LP-Pan, M-Audio Delta, and running
NaP3v4. K3 filters are: 2.7/8p, 1.9/8p, 500/8p, 200/5p. Not sure "where"
this is happening, but decided to start here.

On CW, using the K3 CWT to center a signal, the pan display frequency
for the signal shifts around as follows:

FilterFreq Display
2.72,104cps high
1.91,580cps high
500  888cps high
2001,730cps high

Note, NaP3's "global offset" is zero'd on WWV at 10MHz. I've reached a
barren bottom trying to figure this out, and I'd appreciate any wisdom
that others have to offer. Thanks.

...robert




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--
Robert G Strickland, PhD ABPH - KE2WY
rc...@verizon.net.usa
Syracuse, New York, USA
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Re: [Elecraft] OT: Windows 7 AGC on Input

[Rick Bates, WA6NHC]

From my saved email files... it may help/apply.

-=-=-=-=-=-=-=--=

Found this article posted on the Yahoo Groups Ten-Tec Omni VII group today:  
https://www.reddit.com/r/amateurradio/comments/3eytah/huge_windows_bug_ruining_your_receive_performance/
 
The article discusses a Windows Vista and later versions bug when interfacing 
with an audio device utilizing the Texas Instruments PCM2900 series PCM2904 and 
below, pre-C revisions device.  The article also shows a permanent (software 
configuration change) fix for the bug.
 
The article states that all Signalink USB digital mode interfaces are affected 
by this bug.
 
Knowing that some of you are using the Signalink USB, I’m sending you this info 
in case you were not already aware of it.
 
Some of you may have rigs with a direct computer interface for digital mode 
operation.  Your rig may use the affected TI device.  If so, you are also 
affected.
 
In my case, I use the Signalink USB.  When I first installed it, I noted I had 
to run the Signalink’s RX gain and Codec gain controls very low to get good 
levels to the computer.  As a result, I added a 10:3510 or -51db (voltage) 
divider on the Signalink’s input (mounted on the rig programming socket inside 
the unit).  Now I know why that was required – the bug in Windows for the audio 
device being used.  With the bug fix from the article, I have now reverted back 
to not using the voltage divider.  Hopefully, levels are now above noise floor 
values and results will be better.  I’ve also downloaded and installed the 
digital level meter applet the author mentioned.  It is available at 
http://www.darkwooddesigns.co.uk/pc2/meters.html, about 1/3 down in the page.
 
Hope you find this article useful.
--
 


Rick, WA6NHC

iPad = small keypad = typos = sorry ;-)

> On Oct 4, 2015, at 8:39 AM, David Cole  wrote:
> 
> Hello,
> 
> I am trying to solve a slight digital problem, using my K3.  I suspect
> that Windows 7 has an AGC of some type on it controlling the Line Input
> levels.
> 
> Can someone verify if this is true, and if so, is there a way to disable
> the AGC on input?
> 
> -- 
> Thanks and 73's,
> For equipment, and software setups and reviews see:
> www.nk7z.net
> 
> For MixW support see;
> http://groups.yahoo.com/neo/groups/mixw/info
> For Dopplergram information see:
> http://groups.yahoo.com/neo/groups/dopplergram/info
> For MM-SSTV see:
> http://groups.yahoo.com/neo/groups/MM-SSTV/info
> 
> 
> 
> __
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[Elecraft] tune, Fset, quasar and other tidbits..

[Zbigniew Tyrlik]

Dear group wisdom.. 

I am reconfiguring my shack. As part of it, trying to set up 
K3 - mkeyerII - StationMaster - Quadra. 

Got almost everything working..but. 

On Yaesu FTDX5K, there is a nice rca jack called “TX REQ”. Closing this port 
has an affect similar to pushing TUNE button on K3- rig sends a carrier at 
predefined power, to be used for tuning amp etc. 
The Quadra is connected to this port (from Band data 2, pins 9/11 ) for the 
purpose of tuning amp/tuner.. you push the F-set or tune button on Quadra, and 
rig automagically delvers the needed power. 

On K3, I can accomplish same effect by pushing TUNE button, with predefined 
power. 

the question is if any of the jacks or lines on ACC can be used to accomplish 
this same  like pushing the TUNE button ? 

Closing Key in line in cw or USB with CW enabled generates carrier, but at 
current ( band specific) power level. 

Maybe  can I connect F-set line out of Quadra in parallel with Key line from 
mkeyerII - any reasons not to do it ? 

(yes, i spent last few hours going through manuals and googling.. so be gentle, 
please). 

vy 73, de KU1T
_zjt
-- 

Zbigniew J. Tyrlik DoD# 0759   R1200GS   IBA 31595
Free thinker, traveler, poet, happy father and husband
point'n'click view of the world http://www.kleks.org/fotos/


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Re: [Elecraft] OT: Windows 7 AGC on Input

[David Cole]

Hi,
Thank you, however I have been over that one...  I think Mike Flowers
hit the correct answer...
-- 
Thanks and 73's,
For equipment, and software setups and reviews see:
www.nk7z.net

For MixW support see;
http://groups.yahoo.com/neo/groups/mixw/info
For Dopplergram information see:
http://groups.yahoo.com/neo/groups/dopplergram/info
For MM-SSTV see:
http://groups.yahoo.com/neo/groups/MM-SSTV/info


On Sun, 2015-10-04 at 20:06 -0700, Rick Bates, WA6NHC wrote:
> From my saved email files... it may help/apply.
> 
> 
> -=-=-=-=-=-=-=--=
> 
> Found this article posted on the Yahoo Groups Ten-Tec Omni VII group
> today:  
> https://www.reddit.com/r/amateurradio/comments/3eytah/huge_windows_bug_ruining_your_receive_performance/
> 
>  
> 
> The article discusses a Windows Vista and later versions bug when
> interfacing with an audio device utilizing the Texas
> Instruments PCM2900 series PCM2904 and below, pre-C revisions device.
> The article also shows a permanent (software configuration change) fix
> for the bug.
> 
>  
> 
> The article states that all Signalink USB digital mode interfaces are
> affected by this bug.
> 
>  
> 
> Knowing that some of you are using the Signalink USB, I’m sending you
> this info in case you were not already aware of it.
> 
>  
> 
> Some of you may have rigs with a direct computer interface for digital
> mode operation.  Your rig may use the affected TI device.  If so, you
> are also affected.
> 
>  
> 
> In my case, I use the Signalink USB.  When I first installed it, I
> noted I had to run the Signalink’s RX gain and Codec gain controls
> very low to get good levels to the computer.  As a result, I added a
> 10:3510 or -51db (voltage) divider on the Signalink’s input (mounted
> on the rig programming socket inside the unit).  Now I know why that
> was required – the bug in Windows for the audio device being used.
> With the bug fix from the article, I have now reverted back to not
> using the voltage divider.  Hopefully, levels are now above noise
> floor values and results will be better.  I’ve also downloaded and
> installed the digital level meter applet the author mentioned.  It is
> available at http://www.darkwooddesigns.co.uk/pc2/meters.html, about
> 1/3 down in the page.
> 
>  
> 
> Hope you find this article useful.
> 
> --
> 
>  
> 
> 
> 
> 
> 
> Rick, WA6NHC
> 
> 
> iPad = small keypad = typos = sorry ;-)
> 
> On Oct 4, 2015, at 8:39 AM, David Cole  wrote:
> 
> 
> > Hello,
> > 
> > I am trying to solve a slight digital problem, using my K3.  I
> > suspect
> > that Windows 7 has an AGC of some type on it controlling the Line
> > Input
> > levels.
> > 
> > Can someone verify if this is true, and if so, is there a way to
> > disable
> > the AGC on input?
> > 
> > -- 
> > Thanks and 73's,
> > For equipment, and software setups and reviews see:
> > www.nk7z.net
> > 
> > For MixW support see;
> > http://groups.yahoo.com/neo/groups/mixw/info
> > For Dopplergram information see:
> > http://groups.yahoo.com/neo/groups/dopplergram/info
> > For MM-SSTV see:
> > http://groups.yahoo.com/neo/groups/MM-SSTV/info
> > 
> > 
> > 
> > __
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft@mailman.qth.net
> > 
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to happymooseph...@gmail.com
> > 

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[Elecraft] FS: K3s/100 and P3 (UK/Europe)

[paulbradbeer]

For sale, my 2-month old K3s/100  #10187 fitted with KAT3A, 2.7kHz, 2.4kHz, 
400hz,  plus K144xv and Reflock. UK value new of UKP 3580, selling for UKP 
2980.save 600 pounds!Also, bought at the same time, P3  #3836 (no SVGA). UK 
value UKP 710, selling for UKP 550.
All excellent condition, all manuals, non - smoking household. Prefer buyer 
collect (Lincoln), or buyer pays carriage. Excellent chance to get an as-new 
loaded K3s and P3. Photos on request; serious enquiries only please. Paul 
Bradbeer M0CVX.



Sent from Samsung tablet


Sent from Samsung tablet
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[Elecraft] SS30DV feedback OT

[Charlie Delta]

 Very impressive indeed.  Pre-distortion will hopefully  be made available as a 
option for the K3 in the future. 
That would be a superb option if it does become available.

What these results however do confirm is  that pre-distortrion is worth  
implimenting and that it does work very well.
 
The work by N1JEZ also confirms that current LDMOS amplifiers do not have 
acceptable levels of IMD performance, especially at  higher powers.
 In my opinion based on the IMD data by N1JEZ they are inherently   very  
dirty. I have not seen a working example 
of a LDMOS amplifier that I would consider clean when compared against even a 
pair of 3-500's. I have  studied the  NXP datasheets for these devices
 and have found that LDMOS devices like the BLF574 can produce excellent IMD 
performance. The BLF574 according to the data sheet at 200 watts of ouput and 
1200ma of  idle current is capable of -40dbc 3rd order IMD performance. I have 
not seen data for the higher order products but this figure is good.

I have been working on a  homebrew LDMOS solid state amplifier for my K3 and 
have  not decided what devices I will use in the design. I do have a 
MRF150/EB104 amplifier that works very well and it has very good IMD 
performance. I would like to try these LDMOS designs. I wont however waste 
effort on a marginally poor IMD PA. Homebrewing is a lot of effort and I cant 
see the point of spending dollars and time  on any project when it does not 
meet acceptable technical standards like IMD performance..

 I wonder when we will see pre-distortion in a commercial ham radio tranceiver 
outside of the experimental devlopments like HPSDR. Is Elecraft working
on a pre-distortion implimentation?

73
Craig

"With bias, 12V transistors are class B or AB, not C. 
See http://flarc.net/eme-info/PDF/N1JEZ-2.pdf. 
Ignacy, NO9E"

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Re: [Elecraft] (K3) filter setting shifts panadapter display

[Sverre Holm (LA3ZA)]

That should be *too high*, not too low.


Sverre Holm (LA3ZA) wrote
>  I consistently get the P3's center frequency to be too low - in this
> example about 45 Hz too low. See screen capture here:
> 
> http://folk.uio.no/sverre/LA3ZA/Offset-P3-K3-400HzXFIL-LA3ZA.jpg





-
Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: 
http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
--
View this message in context: 
http://elecraft.365791.n2.nabble.com/K3-filter-setting-shifts-panadapter-display-tp7608675p7608679.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] (K3) filter setting shifts panadapter display

[Sverre Holm (LA3ZA)]

I'm seeing something similar, but I'm not sure if it's the same effect or
something related. 

Using 400 Hz bandwidth and a 400 Hz roofing filter, and using Auto to
zero-beat a CW signal, I consistently get the P3's center frequency to be
too low - in this example about 45 Hz too low. See screen capture here:

http://folk.uio.no/sverre/LA3ZA/Offset-P3-K3-400HzXFIL-LA3ZA.jpg


RobertG wrote
> On CW, using the K3 CWT to center a signal, the pan display frequency 
> for the signal shifts around as follows:





-
Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: 
http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
--
View this message in context: 
http://elecraft.365791.n2.nabble.com/K3-filter-setting-shifts-panadapter-display-tp7608675p7608678.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Cheap ref osc to lock K3

[Matt Maguire]

I bought a module like that. If you set the output frequency to something that 
divides evenly into 48MHz, then the output is quite stable. Otherwise, if you 
set it to something else like 10MHz, the jitter is quite obvious on the scope. 
It is fine for jobs like calibrating a frequency counter or zero-beating a 
transceiver. You'd probably want to smooth out the jitter though if you want to 
use it for a K3 reference oscillator.
73, Matt VK2RQ

Envoyé à partir d'Outlook




On Sat, Oct 3, 2015 at 8:19 AM -0700, "brian"  wrote:










LA3ZA used a UBLOX NEO-7 GPS unit to lock his K3.
This $20 unit including complete development board can be obtained here.
http://www.ebay.co.uk/itm/301199083821

It's tiny, has a patch antenna (although a $10 active antenna works 
better) and consumes under 60ma.
It can be powered from +5v or a USB port.  It fits in a 2"x3" box. Once 
set up it is stand alone not requiring a computer connection.

There was some question as to whether the jitter of the unit would 
disqualify it as a decent ref osc.

A posting on the SpectrumLab group indicated that it seems quite 
adequate for K3 disciplining.
spectrumlabus...@yahoogroups.com

Accuracy within 0.02 to 0.03 Hz of a Rb standard.
Output spectrum seems to indicate that jitter is not a problem for this 
purpose.

73 de Brian/K3KO

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[Elecraft] [P3} View a range of frequencies?

[Gary K9GS]

Hello all,

I am relatively new to owning a P3 / SVGA combo and have done some 
searching and wonder if the following way of operating is possible?


Let's say you have a DX station operating on 14025 and listening 5 to 10 
up.  VFO A is on 14025 and VFO B is split on the 2nd receiver tuning the 
14030 to 14035 range.


Is there a way to display the spectrum from 14030 to 14035, filling the 
width of the screen?  I would like to take advantage of being able to 
look for holes or the station the DX station is working, taking 
advantage of the big wide screen.



--
73,

Gary K9GS

Greater Milwaukee DX Association: http://www.gmdxa.org
Society of Midwest Contesters: http://www.w9smc.com
CW Ops #1032   http://www.cwops.org



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Re: [Elecraft] [P3} View a range of frequencies?

[Phil Anderson]

Gary, use the SPAN button on the front of the P3 to narrow the kHz 
covered. It will automatically adjust on your big flat screen too.
As I recall, adjustments like this track by band, but not sure. Just try 
that.


73 Phil W0XI Lawrence KS


Gary K9GS 
Sunday, October 04, 2015 11:08 AM
Hello all,

I am relatively new to owning a P3 / SVGA combo and have done some 
searching and wonder if the following way of operating is possible?


Let's say you have a DX station operating on 14025 and listening 5 to 
10 up.  VFO A is on 14025 and VFO B is split on the 2nd receiver 
tuning the 14030 to 14035 range.


Is there a way to display the spectrum from 14030 to 14035, filling 
the width of the screen?  I would like to take advantage of being able 
to look for holes or the station the DX station is working, taking 
advantage of the big wide screen.






---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
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Re: [Elecraft] K3S odd KAT3A behavior and question

[Oliver Dröse]

Not sure about the new KAT3A but the KAT3 relays only have about 30 dB 
isolation so even with ANT2 selected and nothing connected to it you 
will still hear strong signals coupling in from ANT1.


73, Olli - DH8BQA

Contest, DX & radio projects: http://www.dh8bqa.de


Am 04.10.2015 um 18:04 schrieb ae...@carolinaheli.com:

Operator error. I somehow had Ant 2 selected which begs the question as to how 
I was receiving signals at all (nothing is connected to ant 2). Selecting the 
actual antenna and such works 100%.

  

  


From: Bob McGraw - K4TAX [mailto:rmcg...@blomand.net]
Sent: Friday, October 02, 2015 10:57 PM
To: Jerry Moore; elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S odd KAT3A behavior and question

  


I tried this a couple of times with my K3S.  Didn't notice any difference 
between the tuner active and tuner bypassed.

Tuner insertion loss is in the order of 1.0 dB or less when matched, depending 
on which side of 50 ohms it is required to match.  Very low Z matches tend to 
show a bit more loss than values above 50 ohms.



73
Bob, K4TAX

On 10/2/2015 9:44 PM, Jerry Moore wrote:

I only tuned enough to not be on top of the station.

On October 2, 2015 10:40:28 PM EDT, Bob McGraw - K4TAX   
 wrote:

If I understand this correctly.   It seems you set / tuned the ATU for a
higher frequency, being the 2nd frequency where you listened, then moved
back down band with out retuning.  It would seem then the ATU would be
set for some frequency other than the one you were receiving.  Yes,
going to bypass might indeed likely show a higher received signal.
  
73

Bob, K4TAX
  
On 10/2/2015 2:00 PM, ae...@carolinaheli.com wrote:


  I was playing with my K3S listening to code on 40m. I could clearly hear the
  signal but it wasn't loud. I spun the dial up a good bit and listened,
  nothing heard after about a minute so I pressed ATU Tune. The ATU clicked a
  few times and stopped. I spun back down where I was (somewhere around
  7.033MHz) and dialed in the signal. Sounded about the same. Just for grins I
  did a long press ATU Tune (ATU) to BYPASS. The signal immediately jumped
  over S9 (was around S7 before). That didn't make sense so I repeated the
  process a few times with the same results.
  


  


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[Elecraft] For CW ops

[Bill]

The CW website   http://www.radiotelegraphy.net/  will closing at the 
end of October 2015.


The time has come in my life to simplify things, so the site is for sale 
- only to a good home. Sale price is very negotiable, however, the buyer 
must have a demonstrated serious interest in the site's subject. I just 
do not wish to see the collection of information lost.


Thanks,

Bill W2BLC




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Re: [Elecraft] For CW ops

[Marc Veeneman]

Oh, no!  Your set of hyperlinks, ALL OF WHICH WORKED FOR ME, were so helpful in 
reintroducing me to radiotelegraphy after 40 dormant years.

I want you to know how grateful I am for your diligence in finding all those 
sites and in keeping up the link validity.  And I'm positive that I'm not alone 
in my gratitude.

Thank you, Bill.
-- 
Marc  W8SDG




> On Oct 4, 2015, at 9:50 AM, Bill  wrote:
> 
> The CW website   http://www.radiotelegraphy.net/  will closing at the end of 
> October 2015.
> 
> The time has come in my life to simplify things, so the site is for sale - 
> only to a good home. Sale price is very negotiable, however, the buyer must 
> have a demonstrated serious interest in the site's subject. I just do not 
> wish to see the collection of information lost.
> 
> Thanks,
> 
> Bill W2BLC
> 
> 
> 
> 
> __
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Re: [Elecraft] Question on P3 operation

[Mike K2MK]

Hi John,

I can speak for the small U shaped cursors. My explanation might be
incorrect for the tall cursors.

Yes, VFO-A is green and VFO-B is magenta. The magenta cursor doesn't change
to red. A third cursor, red, appears when you are transmitting on an offset
frequency. You will see it when you turn on split or when you turn on XIT or
RIT. Normally the red and magenta overlap so you may not see magenta. You
will see red and magenta sort of overlapping if you fiddle with your
bandwidth.

Yes, turning VFO-B will move the magenta and red cursors. If they move off
of the screen you will see a magenta and a red arrow (if your transmit
frequency is offset) or just a magenta arrow.

All of this applies whether you have a SUB RX or not.

73,
Mike K2MK


a...@juno.com wrote
> From the P3 manual"
> "VFO A has a green cursor and VFO B has a magenta cursor unless split mode
> is activated at the K3. In split mode, the VFO B cursor changes to red as
> a reminder that you will transmit on that frequency."
> 
> Just to verify, is this true even without a sub-rx? In other words, with
> SPLIT enabled (and no sub-rx) can I still move the cursor on the P3 for
> VFO-B with the VFO-B knob on the K3?
> 
> John AE5X
> https://tatqrp.wordpress.com





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Re: [Elecraft] K3S odd KAT3A behavior and question

[ae4pb]

Operator error. I somehow had Ant 2 selected which begs the question as to how 
I was receiving signals at all (nothing is connected to ant 2). Selecting the 
actual antenna and such works 100%.

 

 

From: Bob McGraw - K4TAX [mailto:rmcg...@blomand.net] 
Sent: Friday, October 02, 2015 10:57 PM
To: Jerry Moore; elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S odd KAT3A behavior and question

 

I tried this a couple of times with my K3S.  Didn't notice any difference 
between the tuner active and tuner bypassed.  

Tuner insertion loss is in the order of 1.0 dB or less when matched, depending 
on which side of 50 ohms it is required to match.  Very low Z matches tend to 
show a bit more loss than values above 50 ohms. 



73
Bob, K4TAX 

On 10/2/2015 9:44 PM, Jerry Moore wrote:

I only tuned enough to not be on top of the station. 

On October 2, 2015 10:40:28 PM EDT, Bob McGraw - K4TAX  
  wrote: 

If I understand this correctly.   It seems you set / tuned the ATU for a 
higher frequency, being the 2nd frequency where you listened, then moved 
back down band with out retuning.  It would seem then the ATU would be 
set for some frequency other than the one you were receiving.  Yes, 
going to bypass might indeed likely show a higher received signal.
 
73
Bob, K4TAX
 
On 10/2/2015 2:00 PM, ae...@carolinaheli.com wrote:

 I was playing with my K3S listening to code on 40m. I could clearly hear the
 signal but it wasn't loud. I spun the dial up a good bit and listened,
 nothing heard after about a minute so I pressed ATU Tune. The ATU clicked a
 few times and stopped. I spun back down where I was (somewhere around
 7.033MHz) and dialed in the signal. Sounded about the same. Just for grins I
 did a long press ATU Tune (ATU) to BYPASS. The signal immediately jumped
 over S9 (was around S7 before). That didn't make sense so I repeated the
 process a few times with the same results.
 
   

 

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[Elecraft] Elecraft SSB Net Announcement

[Ian Kahn]

Today's Elecraft SSB Net will meet at 18:00 UTC on 14.3035 +/-. I will be
net control from my QTH in Roswell, GA, just north of Atlanta. The weather
here has been miserable the last few days, but maybe band conditions will
behave for us today.

See everyone on the net.

73 de,

--Ian
Ian Kahn, KM4IK
Roswell, GA  EM74ua
km4ik@gmail.com
10-10 #74624  North Georgia Chapter #2038
PODXS 070 #1962
K3 #281, P3 #688 KAT500 #860, KPA500 #1468
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Re: [Elecraft] Question on P3 operation

[Don Wilhelm]

John,

The VFO B has no direct relationship to the subRX.  The K3 simply has 2 
VFOs - try to think of it that way rather than anything about the subRX.
While it is a fact that with the subRX installed, VFO B is normally used 
for tuning the subRX, but that can be altered.
Without the subRX installed, and with SPLIT activated, VFO B will 
control the transmit frequency.
Observe the 'arrow' on the right of the display which indicates which 
VFO will be used for transmit.  The VFO B cursor on the P3 is another 
reminder of the TX VFO.


73,
Don W3FPR

On 10/4/2015 9:43 AM, a...@juno.com wrote:

>From the P3 manual"
"VFO A has a green cursor and VFO B has a magenta cursor unless split mode is 
activated at the K3. In split mode, the VFO B cursor changes to red as a reminder that 
you will transmit on that frequency."

Just to verify, is this true even without a sub-rx? In other words, with SPLIT 
enabled (and no sub-rx) can I still move the cursor on the P3 for VFO-B with 
the VFO-B knob on the K3?



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[Elecraft] OT: Windows 7 AGC on Input

[David Cole]

Hello,

I am trying to solve a slight digital problem, using my K3.  I suspect
that Windows 7 has an AGC of some type on it controlling the Line Input
levels.

Can someone verify if this is true, and if so, is there a way to disable
the AGC on input?

-- 
Thanks and 73's,
For equipment, and software setups and reviews see:
www.nk7z.net

For MixW support see;
http://groups.yahoo.com/neo/groups/mixw/info
For Dopplergram information see:
http://groups.yahoo.com/neo/groups/dopplergram/info
For MM-SSTV see:
http://groups.yahoo.com/neo/groups/MM-SSTV/info



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[Elecraft] KXPA100 and KXPACBL Ser#1566 FOR SALE

[bsusb]

Assembled and tested works perfectly with the KX3.
New price is $790.  You can have this one for $550 plus shipping.  20 lb 
package from 75080.
-
Also have a Kenwood PS-30 linear supply with APP connectors to match the 
KXPA100 power cable.  Absolutely no chance of switching noise from this supply. 
 $80 plus shipping.  35 lb package from 75080.

-- 
bsusb 
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Re: [Elecraft] For CW ops

[ae4pb]

Bill,
   What's required to maintain the site and how much do you want for it?

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill
Sent: Sunday, October 04, 2015 9:51 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] For CW ops

The CW website   http://www.radiotelegraphy.net/  will closing at the 
end of October 2015.

The time has come in my life to simplify things, so the site is for sale
- only to a good home. Sale price is very negotiable, however, the buyer
must have a demonstrated serious interest in the site's subject. I just do
not wish to see the collection of information lost.

Thanks,

Bill W2BLC




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delivered to je...@carolinaheli.com

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[Elecraft] P3 Pausing

[Amateur Radio Operator N5GE]

Howdy,

I have a p3 that I have connected to a 1024 by 768 monitor.

Today I noticed that on both the monitor and the P3 pause about evey 6
seconds for one second and repeat the routine again.

I've never noticed that behavior before.

The P3 has all of the upgrades except the P3 TX Monitor and is
connected to a new K3S.

What might be causing that behavior?

Thanks,


 
ARS N5GE

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[Elecraft] Question on P3 operation

[a...@juno.com]

>From the P3 manual"
"VFO A has a green cursor and VFO B has a magenta cursor unless split mode is 
activated at the K3. In split mode, the VFO B cursor changes to red as a 
reminder that you will transmit on that frequency."

Just to verify, is this true even without a sub-rx? In other words, with SPLIT 
enabled (and no sub-rx) can I still move the cursor on the P3 for VFO-B with 
the VFO-B knob on the K3?

John AE5X
https://tatqrp.wordpress.com
 


Meet the Graviteers: Cristin Nicholson
Hi, i'm Cristin. I could eat empanadas for breakfast, lunch and dinner.
http://thirdpartyoffers.juno.com/TGL3131/56112d5749a282d563fecst03vuc
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[Elecraft] Elecraft CW Net Announcement

[kev...@coho.net]

Good Morning,
Please join us this afternoon and evening.

14050 kHz at 2200z Sunday (3 PM PDT Sunday)
 7045 kHz at 0100z Monday (6 PM PDT Sunday)

73,
Kevin. KD5ONS
-
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Re: [Elecraft] P3 Pausing

[Amateur Radio Operator N5GE]

All,
I turned the P3 off and on again.  Both the P3 and the monitor
flickered and floped around for about 2 seconds and began performing
as they should.

Go figure :-?)



On Sun, 04 Oct 2015 12:40:00 -0500, I wrote:

>Howdy,
>
>I have a p3 that I have connected to a 1024 by 768 monitor.
>
>Today I noticed that on both the monitor and the P3 pause about evey 6
>seconds for one second and repeat the routine again.
>
>I've never noticed that behavior before.
>
>The P3 has all of the upgrades except the P3 TX Monitor and is
>connected to a new K3S.
>
>What might be causing that behavior?
>
>Thanks,
>
>
> 
>ARS N5GE
>
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>Message delivered to n...@n5ge.com
ARS N5GE

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Re: [Elecraft] (K3) filter setting shifts panadapter display

[Sverre Holm (LA3ZA)]

I just learned from an offline email that this can be fixed using the Cal
function in the P3 (preferreably after 1 hr warm-up) - and indeed that was
the case! Thanks to Bill, NR4C.



Sverre Holm (LA3ZA) wrote
> That should be 
*
> too high
*
> , not too low.
> Sverre Holm (LA3ZA) wrote
>>  I consistently get the P3's center frequency to be too low - in this
>> example about 45 Hz too low. See screen capture here:
>> 
>> http://folk.uio.no/sverre/LA3ZA/Offset-P3-K3-400HzXFIL-LA3ZA.jpg





-
Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: 
http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
--
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Re: [Elecraft] OT: Windows 7 AGC on Input

[Scott]

Hi David,
I'm not sure I'd call it a Win7 AGC but there are two controls regarding 
audio input.


On my Win7 box I have a special app for the soundcard installed (Realtek 
in my case) in control panel.  This app has three controls for Line In 
settings.


Additionally under control panel is another Win7 App "Sounds".  This 
also has controls for a "microphone".  You must highlight the microphone 
with a single click to get the configuration button to "come alive". 
Several more settings in there.  Make sure you disable all of the Win7 
sound schemes.  Hope this helps.


Scott
AD5HS

On 10/4/2015 10:39 AM, David Cole wrote:

Hello,

I am trying to solve a slight digital problem, using my K3.  I suspect
that Windows 7 has an AGC of some type on it controlling the Line Input
levels.

Can someone verify if this is true, and if so, is there a way to disable
the AGC on input?


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[Elecraft] Elecraft SSB Net Results

[Ian Kahn]

Band conditions were a little bit better today, at least for a while. We
had 24 check-ins today, and even a couple of stations who previously
couldn't hear me. Here are today's check-ins:

KM4IK Ian   GA K3 281
NC0JW Jim  CO KX3 1356
N6JW John CA K3 936
WB9JNZ Eric IL K3 4017
W4RKS Jim  TX K3 3618
WB5JJA Ray  OK K3 7877
VE3XM Bob  ON K3 409
W2RWA Dick NY K3 2603
KC9LIF Kent IL K2 6896
WA4WW Porter FL KX3 7927
WA0BEU Keith CO KX3 114
K6VWE Stan MI K3 650
W7QHD Curt AZ K2 1538
NJ5W Rick TX K3 7411
K1NW Brian RI K3 3974
W8FLT Mike MI K3 3023
WB2ART Ken  NY KX3 4743
KC8HXO Greg MI K3 270
KK4YEL Kevin FL KX3 7663
KC9USC Robert IL KX3 4460
W4DML Doug TN K3 6433
W6RKE Jerry WA K3S 10242
KE7HGE Ken  WA KX3 4540
K4GC Gary NC K3 1697

We also had a few questions from W8FLT:

1. What would he use as a mic connector for a desk mic, to connect to the
front panel mic connector on the K3? I recommended a Kenwood 8-pin adapter,
available at your favorite retailer for amateur radio supplies, whether
on-line or brick-and-mortar.

2. Should you back up your configuration before upgrading firmware on the
K3? My answer is that you should always back up your configuration before
making any change to the rig, so you have a recovery point, should you need
it.

3. Mike is using an L4B amp and wanted a suggestion on getting a signal to
the amp, from the K3, for tuning purposes. A couple of people on the net
suggested turning power down to an acceptable level and using the XMIT
button on the rig.

If anyone has any other suggestions/answers to any of these questions,
please reply to the mailing list so we can all grow and learn.

Finally, I have about three or four more weeks where I can feel fairly
certain I'll be home from Temple with my family to call the net. Once we go
back onto standard time in the US the first weekend in November, I can't
guarantee I'll be home by 1:00 PM EST to call the net. If there is someone
who can take over the net at that point, please let me know. I don't want
to see this net fade away simply because the time change affects my
availability.

Thanks everyone. See you here next week!

73 de,

--Ian
Ian Kahn, KM4IK
Roswell, GA  EM74ua
km4ik@gmail.com
10-10 #74624  North Georgia Chapter #2038
PODXS 070 #1962
K3 #281, P3 #688 KAT500 #860, KPA500 #1468
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[Elecraft] KAT500 help

[Bob KD7YZ]

I have a K3 and the KAT500.

Today I realized that when I switched from, say, 10m to 6m that the ANT
stayed with ANT-1. In fact, it stays on whatever I manually move it to.

I also have ANT3 which is a cantenna dummy load kludge, fwiw.

Using the KAT500 Utility I verified that 6m has "Enabled" both #2 and
#3. 6 has #2 "Preferred" .

10m, and all HF, has #1 and #3 "Enabled" and #1 Preferred.

Inside the KAT500 utility I can switch Auto, manual and bypass.It seems
I have full control of the KAT500 with the utility.

I removed DC power from both K3 as well as KAT500 after checking.

Summary is no matter what band I select on the K3, the KAT500 doe not
follow.

What can I check, here, to see why the antenna tuner no longer
automatically switches when I change bands?

-- 
73,
Bob KD7YZ
www.qrz.com/db/kd7yz
AmSat LM#901
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Re: [Elecraft] Cheap ref osc to lock K3

[Sverre Holm (LA3ZA)]

My experience is that the simple GPS-based 10 MHz reference works well with
the K3. The K3 is quoted as measuring frequency to 1 Hz accuracy, implying a
measurement time of the order of 1 second. That seems to be enough to smooth
out the jitter from the Neo-7M.

Of course,  there are better solutions around, but why spend money on
something which is unnecessary?

My experience including build instructions was posted on my blog yesterday:
http://la3za.blogspot.no/2015/10/just-good-enough-10-mhz-reference.html




vk2rq wrote
> I bought a module like that. If you set the output frequency to something
> that divides evenly into 48MHz, then the output is quite stable.
> Otherwise, if you set it to something else like 10MHz, the jitter is quite
> obvious on the scope. It is fine for jobs like calibrating a frequency
> counter or zero-beating a transceiver. You'd probably want to smooth out
> the jitter though if you want to use it for a K3 reference oscillator.
> 73, Matt VK2RQ





-
Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: 
http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
--
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Re: [Elecraft] SSB Transmit Problems:K3

[MM6TGN]

Good evening Mark 

i have just installed the  KDVR and it sounds like I am having the same 
problem as you had.

Did you find a solution 

Thanks Tony

Just spent a whole afternoon trying to get the RF tx no joy 





-
T Barclay
MM6TGN
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Re: [Elecraft] [P3} View a range of frequencies?

[Mike K2MK]

Hi Gary,

Yes and no.

Yes if you are using Tracking Mode where VFO-A is in the center of the
screen. Tap the SPAN/CENTER button and change the span width to 5KHz with
the P3 knob. Hold the SPAN/CENTER button to bring up the CENTER adjust
feature. Turn the P3 knob clockwise to get VFO-A off of the screen. 

No if you are using Fixed-Tune mode. You cannot get VFO-A off of the screen.

73,
Mike K2MK


Gary K9GS wrote
> Hello all,
> 
> I am relatively new to owning a P3 / SVGA combo and have done some 
> searching and wonder if the following way of operating is possible?
> 
> Let's say you have a DX station operating on 14025 and listening 5 to 10 
> up.  VFO A is on 14025 and VFO B is split on the 2nd receiver tuning the 
> 14030 to 14035 range.
> 
> Is there a way to display the spectrum from 14030 to 14035, filling the 
> width of the screen?  I would like to take advantage of being able to 
> look for holes or the station the DX station is working, taking 
> advantage of the big wide screen.
> 
> 73,
> Gary K9GS





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Re: [Elecraft] [P3} View a range of frequencies?

[Cady, Fred]

"K3 MK writes:
No if you are using Fixed-Tune mode. You cannot get VFO-A off of the screen.

Actually you can.  Go into the P3 menu and set CenterEn so that Center Key is 
On."

Cheers,
Fred KE7X
Author of:
"The Elecraft K3: Design, Configuration and Operation 2nd ed"
"The Portable Elecraft KX3 – Going for the Summit with the KX3 and KX3-2M/4M"
“The Elecraft KX-Line – The Complete Station”
“The Elecraft KPA500 and KAT500 – the K-Line Dream Station”
Printed, coil bound copies of these are all available at www.elecraft.com

Fred KPA500 and KAT500 Quick Set Up Guide
http://www.ke7x.com/home/k-line-introduction-and-set-up-guide
Free KAT500 and KXPA500 Tuner Operation
http://www.ke7x.com/home/kat500-and-kxpa100-tuners

“The Elecraft KXPA100, PX3 and 2M/4M Transverters – Assembling the KX3-Line 
Station” printed copy available at www.lulu.com and pdf from www.ke7x.com.

“The Elecraft K3S and P3 – Getting the Most out from Your High Performance 
Station”  coming very soon.
A book dedicated to the K3S upgrades for the K3 and a 3rd Edition of the K3 
book are works in progress.


From: elecraft-boun...@mailman.qth.net  on 
behalf of Mike K2MK 
Sent: Sunday, October 4, 2015 3:40 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] [P3} View a range of frequencies?

Hi Gary,

Yes and no.

Yes if you are using Tracking Mode where VFO-A is in the center of the
screen. Tap the SPAN/CENTER button and change the span width to 5KHz with
the P3 knob. Hold the SPAN/CENTER button to bring up the CENTER adjust
feature. Turn the P3 knob clockwise to get VFO-A off of the screen.

No if you are using Fixed-Tune mode. You cannot get VFO-A off of the screen.

73,
Mike K2MK


Gary K9GS wrote
> Hello all,
>
> I am relatively new to owning a P3 / SVGA combo and have done some
> searching and wonder if the following way of operating is possible?
>
> Let's say you have a DX station operating on 14025 and listening 5 to 10
> up.  VFO A is on 14025 and VFO B is split on the 2nd receiver tuning the
> 14030 to 14035 range.
>
> Is there a way to display the spectrum from 14030 to 14035, filling the
> width of the screen?  I would like to take advantage of being able to
> look for holes or the station the DX station is working, taking
> advantage of the big wide screen.
>
> 73,
> Gary K9GS





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Re: [Elecraft] KAT500 help

[Bob KD7YZ]

On 04-Oct-15 1611, Bob KD7YZ wrote:

> What can I check, here, to see why the antenna tuner no longer
> automatically switches when I change bands?
> 

got the answer direct email ... seems due to the extreme rats-nest of
cable(s) to 3 XVxx transverters; EME sequencers, KAT500, PC cables and
stuff passing back and forth, that I overlooked a slightly removed cable.

-- 
73,
Bob KD7YZ
www.qrz.com/db/kd7yz
AmSat LM#901
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Re: [Elecraft] (K3) filter setting shifts panadapter display

[Joe Subich, W4TV]

Not sure what the connection is, but it resoled the display problem.


The K3 shifts the IF center frequency based on mode, Shift/FC, and
selected filter to center the desired signal in the filter.  Without
knowing the IF center frequency (the IS; Get command), the panadapter
[assumed] center frequency will differ from the true IF center freq
by approximately +/- 3 KHz.

In this section I had polling for "IF Frequency" unchecked.

When you enable polling for IF Frequency, NaP3 can correct for the
actual IF frequency rather than assume a nominal value for each mode.

73,

  ... Joe, W4TV


On 10/4/2015 7:08 PM, Robert G Strickland wrote:

I think I solved this...
In NaP3 there are options for polling various rig parameters [CAT
Polling]. In this section I had polling for "IF Frequency" unchecked.
Once checked, all signals stayed where they belong. Not sure what the
connection is, but it resoled the display problem. Thanks for everyone's
help. It kept me at it till I came across this item.
...robert

On 10/3/2015 21:54, Robert G Strickland wrote:

I have a K3 [w/ new synthesizer], an LP-Pan, M-Audio Delta, and running
NaP3v4. K3 filters are: 2.7/8p, 1.9/8p, 500/8p, 200/5p. Not sure "where"
this is happening, but decided to start here.

On CW, using the K3 CWT to center a signal, the pan display frequency
for the signal shifts around as follows:

FilterFreq Display
2.72,104cps high
1.91,580cps high
500  888cps high
2001,730cps high

Note, NaP3's "global offset" is zero'd on WWV at 10MHz. I've reached a
barren bottom trying to figure this out, and I'd appreciate any wisdom
that others have to offer. Thanks.

...robert




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Re: [Elecraft] (K3) filter setting shifts panadapter display

[Robert G Strickland]

I think I solved this...
In NaP3 there are options for polling various rig parameters [CAT 
Polling]. In this section I had polling for "IF Frequency" unchecked. 
Once checked, all signals stayed where they belong. Not sure what the 
connection is, but it resoled the display problem. Thanks for everyone's 
help. It kept me at it till I came across this item.

...robert

On 10/3/2015 21:54, Robert G Strickland wrote:

I have a K3 [w/ new synthesizer], an LP-Pan, M-Audio Delta, and running
NaP3v4. K3 filters are: 2.7/8p, 1.9/8p, 500/8p, 200/5p. Not sure "where"
this is happening, but decided to start here.

On CW, using the K3 CWT to center a signal, the pan display frequency
for the signal shifts around as follows:

FilterFreq Display
2.72,104cps high
1.91,580cps high
500  888cps high
2001,730cps high

Note, NaP3's "global offset" is zero'd on WWV at 10MHz. I've reached a
barren bottom trying to figure this out, and I'd appreciate any wisdom
that others have to offer. Thanks.

...robert



--
Robert G Strickland, PhD ABPH - KE2WY
rc...@verizon.net.usa
Syracuse, New York, USA
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Re: [Elecraft] Cheap ref osc to lock K3

[Edward R Cole]

I just bought this GPS for providing accurate time to my computer:
ProGin GPS RECEIVER BU-353 (USB) SiRF STAR III
ebay: 181887610445

Cost me $24 and change including shipping (from Israel).

This is my replacement for Dimension-4 when I pull the internet plug 
on my XP computer and switch to my laptop for e-mail/internet using 
win-10.  I will then be able to run the XP computer for my ham 
applications forever without worrying about security sw, upgrading 
drivers, etc.etc.


73, Ed - KL7UW
I'll have to check if it supports frequency reference;  But I run a 
OCXO for that so not needed.


From: Matt Maguire 
To: brian ,  
Subject: Re: [Elecraft] Cheap ref osc to lock K3
Message-ID:


Content-Type: text/plain; charset=UTF-8

I bought a module like that. If you set the output frequency to 
something that divides evenly into 48MHz, then the output is quite 
stable. Otherwise, if you set it to something else like 10MHz, the 
jitter is quite obvious on the scope. It is fine for jobs like 
calibrating a frequency counter or zero-beating a transceiver. You'd 
probably want to smooth out the jitter though if you want to use it 
for a K3 reference oscillator.

73, Matt VK2RQ



73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
dubus...@gmail.com

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