Re: [Elecraft] K3 - computer communications

[Wes Stewart]

Replant tree.

--- On Wed, 10/14/09, Phil and Christina  wrote:
I use Logic 8 as a logging program, and it has communicated fine over a
serial port with my K3 (s/n 1826).  Today a windstorm dropped a tree across
a power line, and the power surged on and off several times before going off
completely.  The computer is a Dell laptop in a docking station.  The
computer is powered through a UPS.  My K3 is powered by a stout Astron
RS-35M linear supply (that is not on the UPS).

I don't know if there is a causal agent at work, but now I have
communications issues.  If I turn the radio on and launch Logic 8, the
computer and radio seem to communicate OK at first.  Then after maybe 5 to
10 minutes, the computer puts up a message that the link has been lost and
the communications stops (no frequency updating, etc.).  If I close and
reopen Logic 8, they communicate for a bit before the message comes back.

Any suggestions?  Thank you.

73,

Phil, NS7P





  
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[Elecraft] [K2] Need KAF2 / KDSP2 Standoff

[William McFadden]

Good day.

I'm need of the male-female 4-40 thread standoff that is part of the KAF2
and KDSP2 modules. Does anyone who has removed the KAF2 from their K2 to
install the KDSP2 still have the extra standoff available?

Please respond off-list.

Tnx, es 73,

Eric, WD8RIF

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

-- 

W. Eric McFadden Athens, Ohio
http://McFaddenPhoto.com

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[Elecraft] [KX1] "It's alive," sort of!

[EMD]

Well after getting discouraged I decided to take some time off from my KX1
project.  After about 3 months I decided to get back at at with a little
encouragement from Gary.  

I was having trouble with the receiver alignment, no signal.  I decided to
go to the manual and review each step of the receiver build process and
check for the obvious, wrong part installed and so on.  The first thing I
found was I never installed R2x, then in a close inspection I found L10 was
cracked, crikey!  So I installed the missing resistor and ordered a new L10. 
After installing L10 this morning I was amazed to hear a signal on my radio. 
I have not had time for the alignment yet but I will get to it this
afternoon.

So I hope to get finished and on the air soon, so I can frustrate everyone
with my poor morse.  Another learning process.

73,  Ed  KE7HGA


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[Elecraft] Spotting DX

[Paul]

I've only had my K3 on the air for a couple days...trying to figure out all the 
bells and whistles.

Here's my problem:

K4M (Midway DXpedition) is transmitting on let's say, 7.004 listening up 25.

So I go SPLIT, tune VFO B up to about 7.020. Now I want to spot the guy he's 
working and transmit there right afterward.
I'm looking for the guy, I hit REV and listen. I don't hear him, so I want to 
tune up or down and find him. But when I turn VFO A's knob (which is showing my 
Xmit frequency, the VFO B display (K4M's run freq) also changes, so when I drop 
REV I'm no longer on his 7.004 frequency.

How are you supposed to do this? Is there an option that ties them together 
somewhere? LOCK is off.

I used the SUB receiver, and then I can listen to my xmit freq in one ear, but 
that doesn't seem necessary. 

Paul
WY7I
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Re: [Elecraft] Spotting DX

[Paul]

Yes, that's IT !

Thanks!
- Original Message - 
From: "Alexandr Kobranov" 
To: "Paul" 
Sent: Thursday, October 15, 2009 7:26 AM
Subject: Re: [Elecraft] Spotting DX


Hi Paul,

you have "linked" VFO´s I suppose.
Press SUB until you will se UNLINKED.

My first idea...

73!
Lexa, ok1dst


Paul napsal(a):
> I've only had my K3 on the air for a couple days...trying to figure out 
> all the bells and whistles.
>
> Here's my problem:
>
> K4M (Midway DXpedition) is transmitting on let's say, 7.004 listening up 
> 25.
>
> So I go SPLIT, tune VFO B up to about 7.020. Now I want to spot the guy 
> he's working and transmit there right afterward.
> I'm looking for the guy, I hit REV and listen. I don't hear him, so I want 
> to tune up or down and find him. But when I turn VFO A's knob (which is 
> showing my Xmit frequency, the VFO B display (K4M's run freq) also 
> changes, so when I drop REV I'm no longer on his 7.004 frequency.
>
> How are you supposed to do this? Is there an option that ties them 
> together somewhere? LOCK is off.
>
> I used the SUB receiver, and then I can listen to my xmit freq in one ear, 
> but that doesn't seem necessary.
> Paul
> WY7I
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Re: [Elecraft] Spotting DX

[Don Wilhelm]

Paul,

You may have held the SUB button in a bit too long and the VFOs were 
'linked'
Hold the SUB button and you will see "unlink" briefly in the VFO B area.

73,
Don W3FPR

Paul wrote:
> I've only had my K3 on the air for a couple days...trying to figure out all 
> the bells and whistles.
>
> Here's my problem:
>
> K4M (Midway DXpedition) is transmitting on let's say, 7.004 listening up 25.
>
> So I go SPLIT, tune VFO B up to about 7.020. Now I want to spot the guy he's 
> working and transmit there right afterward.
> I'm looking for the guy, I hit REV and listen. I don't hear him, so I want to 
> tune up or down and find him. But when I turn VFO A's knob (which is showing 
> my Xmit frequency, the VFO B display (K4M's run freq) also changes, so when I 
> drop REV I'm no longer on his 7.004 frequency.
>
> How are you supposed to do this? Is there an option that ties them together 
> somewhere? LOCK is off.
>
> I used the SUB receiver, and then I can listen to my xmit freq in one ear, 
> but that doesn't seem necessary. 
>
> Paul
> WY7I
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>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com 
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> 03:57:00
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[Elecraft] Morse Trainer

[Brian Machesney]

Ed,

Getting frustrated is no fun! In addition to "just getting on the air," you
might want to try one of the Morse training programs listed here:

http://www.ac6v.com/morseprograms.htm#CWT

Does anyone on the reflector have experience with a Morse trainer that they
can recommend to Ed?

73 -- Brian -- K1LI

On Thu, Oct 15, 2009 at 8:51 AM, EMD  wrote:

>
>
> So I hope to get finished and on the air soon, so I can frustrate everyone
> with my poor morse.  Another learning process.
>
> 73,  Ed  KE7HGA
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Re: [Elecraft] Morse Trainer

[Ian Maude]

The K7QO code course is excellent and can be put on an mp3 player or as a CD
in the car etc.  Very good indeed.
73 Ian

-- 
Ian J Maude, G0VGS
SysOp GB7MBC & HB9DRV-9 DX Clusters
Member RSGB, GQRP 9838, FISTS 14077 | K3 #455
http://www.amateurradiotraining.org


2009/10/15 Brian Machesney 

> Ed,
>
> Getting frustrated is no fun! In addition to "just getting on the air," you
> might want to try one of the Morse training programs listed here:
>
> http://www.ac6v.com/morseprograms.htm#CWT
>
> Does anyone on the reflector have experience with a Morse trainer that they
> can recommend to Ed?
>
> 73 -- Brian -- K1LI
>
> On Thu, Oct 15, 2009 at 8:51 AM, EMD  wrote:
>
> >
> >
> > So I hope to get finished and on the air soon, so I can frustrate
> everyone
> > with my poor morse.  Another learning process.
> >
> > 73,  Ed  KE7HGA
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Re: [Elecraft] Morse Trainer

[Brendan Minish]

Hello Brian

Learn CW on Line is an excellent and well though out course 
http://www.lcwo.net/

Fabian, DJ1YFK designed the course, Fabian is an expert High speed CW
op. (& a K2 user ;-) 
http://fkurz.net/ham/

the art and Skill of Radio-Telegraphy is a must read too 
it can be found here and at other places on the web 
http://n1su.com/contents.htm


73's and good luck with your endeavours
Brendan EI6IZ  


On Thu, 2009-10-15 at 10:39 -0400, Brian Machesney wrote:
> Ed,
> 
> Getting frustrated is no fun! In addition to "just getting on the air," you
> might want to try one of the Morse training programs listed here:
> 
> http://www.ac6v.com/morseprograms.htm#CWT
> 
> Does anyone on the reflector have experience with a Morse trainer that they
> can recommend to Ed?
> 
> 73 -- Brian -- K1LI
> 
> On Thu, Oct 15, 2009 at 8:51 AM, EMD  wrote:
> 
> >
> >
> > So I hope to get finished and on the air soon, so I can frustrate everyone
> > with my poor morse.  Another learning process.
> >
> > 73,  Ed  KE7HGA
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-- 
73
Brendan EI6IZ 

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[Elecraft] bird ham-mate 4360

[Julius Fazekas n2wn]

Way off topic, but someone my know... What is the diode that is used in the
sensing circuit?

Thanks in advance,
Julius

-
Julius Fazekas
N2WN

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

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

Elecraft K2/100 #4455
Elecraft K3/100 #366
Elecraft K3#1875
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Re: [Elecraft] Spotting DX

[David M. Elliott]

Paul,

Others have suggested unlinking the VFOs and this is necessary but not  
really sufficient.  It all depends on the dx operators.  Those at K4M  
seem to listen on the same frequency long enough for you to find them  
and tailgate the previous station.  On the other hand, the Glorioso  
operators mostly moved randomly over a large frequency range after  
every QSO.  Impossible to tailgate.  Pick a frequency near the middle  
of their listening range and just park there.  It takes a  
frustratingly long time but it will work eventually assuming that your  
signal is strong enough for them to hear it over the noise.

If you don't have the sub receiver, it makes this a lot easier.  I  
consider it a necessity.

73 de W6BK


On Oct 15, 2009, at 6:19 AM, Paul wrote:

> I've only had my K3 on the air for a couple days...trying to figure  
> out all the bells and whistles.
>
> Here's my problem:
>
> K4M (Midway DXpedition) is transmitting on let's say, 7.004  
> listening up 25.
>
> So I go SPLIT, tune VFO B up to about 7.020. Now I want to spot the  
> guy he's working and transmit there right afterward.
> I'm looking for the guy, I hit REV and listen. I don't hear him, so  
> I want to tune up or down and find him. But when I turn VFO A's knob  
> (which is showing my Xmit frequency, the VFO B display (K4M's run  
> freq) also changes, so when I drop REV I'm no longer on his 7.004  
> frequency.
>
> How are you supposed to do this? Is there an option that ties them  
> together somewhere? LOCK is off.
>
> I used the SUB receiver, and then I can listen to my xmit freq in  
> one ear, but that doesn't seem necessary.
>
> Paul
> WY7I
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Re: [Elecraft] Spotting DX

[wb6rse1]

With diversity RX on the K3 - IE VFOs synched, you can also operate  
split. HOLD SPLIT to enable TX on VFO B. Then HOLD REV and use VFO A  
to listen and tune to the split TX frequency. Release REV and  
diversity RX is restored.

A very elegant implementation by designers who must also be actual  
operators!

73 - Steve WB6RSE
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[Elecraft] SPLIT mode reset on band change

[Barry Pfeil]

In the year I have had my K3 I have used it mainly for contesting and hardly 
ever operated in split mode.  Lately I have been chasing some DX and had more 
than my usual share of mistakes calling on the transmit frequency of the DX.  I 
was just shaking my head at my own incompetence until it finally dawned on me 
that the K3 switches off the "SPLIT" mode every time I change bands.  Can that 
function be turned off?

73, Barry K6RM
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Re: [Elecraft] SPLIT mode reset on band change

[Wayne Burdick]

Hi Barry,

Set CONFIG:SPLT SV to YES. This preserves the on/off states of SPLT,  
RIT, and XIT on band change.

Wayne
N6KR

On Oct 15, 2009, at 9:08 AM, Barry Pfeil wrote:

> In the year I have had my K3 I have used it mainly for contesting  
> and hardly ever operated in split mode.  Lately I have been chasing  
> some DX and had more than my usual share of mistakes calling on the  
> transmit frequency of the DX.  I was just shaking my head at my own  
> incompetence until it finally dawned on me that the K3 switches off  
> the "SPLIT" mode every time I change bands.  Can that function be  
> turned off?
>
> 73, Barry K6RM
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Re: [Elecraft] SPLIT mode reset on band change

[Ted Roycraft]

Barry,

Yes, the K3 can save the split state per band if you like.  Set 
Config:SPLT SV to "YES".  When I first got the K3, the same thing 
annoyed me.

73, Ted, W2ZK

Barry Pfeil wrote:
> In the year I have had my K3 I have used it mainly for contesting and hardly 
> ever operated in split mode.  Lately I have been chasing some DX and had more 
> than my usual share of mistakes calling on the transmit frequency of the DX.  
> I was just shaking my head at my own incompetence until it finally dawned on 
> me that the K3 switches off the "SPLIT" mode every time I change bands.  Can 
> that function be turned off?
>
> 73, Barry K6RM
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Re: [Elecraft] Spotting DX

[David M. Elliott]

Yes.  Isn't it wonderful.  They also read this reflector and respond,  
sometimes within minutes, to important issues.  Wouldn't it be nice if  
some of our elected representatives did this?

73 de W6BK

On Oct 15, 2009, at 9:04 AM, wb6r...@mac.com wrote:

> With diversity RX on the K3 - IE VFOs synched, you can also operate  
> split. HOLD SPLIT to enable TX on VFO B. Then HOLD REV and use VFO A  
> to listen and tune to the split TX frequency. Release REV and  
> diversity RX is restored.
>
> A very elegant implementation by designers who must also be actual  
> operators!
>
> 73 - Steve WB6RSE

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[Elecraft] possible trade K2/100 package for Tentec OmniVI/opt3

[Allan Taylor]

I am finding that I am just not using my K2 for portable use as
originally expected. I am interested in a possible trade involving an
OmniVI
option 3 with lots of filters. This will be my 2nd OmniVI and will be
used to play with SO2R. I would also prefer a matching p/s.

The K2 has:
160m/2nd rx ant
ssb
dsp
nb
100W amp and I/O
all mods through 2008

Also in the package:
KAT100 external 150W auto-tuner
and
KAT-2 with speaker/cabinet lid (you can swap out the 100W amp and have
a QRP rig with internal tuner)

A trade will not necessarily be straight-across but to be negotiated.

73  Allan K7GT
-- 
73 AllanK7GT
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[Elecraft] re: DSP red light coming on at max load [fixed]

[Wayne Burdick]

I wrote:

> I get a continuous DSP red LED and distorted audio under
> the following conditions

A few of you have asked me what the "DSP red LED" is for. This is an  
LED on the top edge of the DSP board that lights up to remind your  
humble firmware crew when we've made a mistake that causes the DSP to  
run out of cycles.

A couple of our field testers had noticed a "stuck" switch feedback  
tone when turning NR on/off, etc., and sure enough, the DSP's LED was  
coming on solid (as opposed to a brief flash, which is OK). This has  
now been corrected, and we should have a new beta release very shortly.

73,
Wayne
N6KR

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[Elecraft] Spotting DX

[Jim]

I know you can listen to two conversations on different VFO's (Frequencies
at the same time when you have the Sub Receiver Installed; However with no
Sub Receiver I believe this is this correct? """If you don't have the sub
receiver & listening using a set of headphones like a Heil Pro set you
cannot listen to both sides of a conversation at the same time WHEN both VFO
A and B set...VFO A at 14.195 and VFO B at 14.205...you must always
push the REV to listen to B. They can never be heard at the same time???
Correct???

73 de KE4WY Jim


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Re: [Elecraft] SPLIT mode reset on band change

[David M. Elliott]

H,  not on my K3 (1740, 3.41).

It depends on how you do it.  If I go to the next band up with the  
band up button, split goes off.  When I go back down using the band  
down button, the split is still there.  If I go to the next band up  
using the memory button, split is gone as before but it does not come  
back when I go back down using the memory button.

73 de W6BK


On Oct 15, 2009, at 9:14 AM, Wayne Burdick wrote:

> Hi Barry,
>
> Set CONFIG:SPLT SV to YES. This preserves the on/off states of SPLT,
> RIT, and XIT on band change.
>
> Wayne
> N6KR
>
> On Oct 15, 2009, at 9:08 AM, Barry Pfeil wrote:
>
>> In the year I have had my K3 I have used it mainly for contesting
>> and hardly ever operated in split mode.  Lately I have been chasing
>> some DX and had more than my usual share of mistakes calling on the
>> transmit frequency of the DX.  I was just shaking my head at my own
>> incompetence until it finally dawned on me that the K3 switches off
>> the "SPLIT" mode every time I change bands.  Can that function be
>> turned off?
>>
>> 73, Barry K6RM
>> __
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Re: [Elecraft] Morse Trainer

[Julian, G4ILO]

Brian Machesney wrote:
> 
> Does anyone on the reflector have experience with a Morse trainer that
> they
> can recommend to Ed?
> 
> 

Morse Machine http://www.g4ilo.com/morse-machine.html to get started.

Then MorseGen http://www.g4ilo.com/morsegen.html for more off-air practise.

-
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

-- 
View this message in context: 
http://n2.nabble.com/Morse-Trainer-tp3829717p3830710.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K3 - KDVR

[Lu Romero]

Gents:

Im trying to understand the need to even *consider* a KDVR
module.

I use N1MMLogger, and have for over 4 years now.  I can
record, not only messages, but numbers and letters and
phrases into the computer (pre-air processor, using my air
mic) and off air audio, up to the limiting amount of storage
that my computer's hard drive has (zillions and zillions of
messages, hours and hours of QSO's!).

The Logger software can parse the letters and numbers.  It
sends, not only pre-canned signal reports, but dynamic
callsigns and serial numbers live.  If I choose to, I dont
even have to talk at all in a SSB contest (ever work Jamie,
NS3T?  You worked a DVK!).

Not only this, but with the "Enter Sends Message" feature of
Logger, I input the callsign and hit the enter key, and the
software sequences the correct function key for the QSO step
automatically.  It even logs the Q when done and sends QRZ
for the next one.  

In multioperator situations, I can have all the operators
using the station record the messages and when they take
their shift, they press CTRL-O, put in their callsigns, and
the software will load the Logger's DVK with their own
personal voice message files automatically.

Although I use a MicroKeyer 2, K3 makes interfacing to the
computer as simple as plugging in the soundcard line out
into line in on the back of the radio and plugging the
soundcard in (not really needed, but useful if I set Logger
to record each QSO) into the line out of the K3.  So, worst
case, you need a USB to serial adaptor for CAT and two 1/8
inch stereo cables for audio I/O.

If I ever want to go portable or operate at another station
with my K3, I take my MicorKeyer 2 and the K3 interface
cable with me.  Then, one single USB cable is all that is
needed to interface the computer to the MicroKeyer 2 for
full DVK, CAT and all other feature functionality in SSB,
CW, RTTY and PSK, along with any other soundcard based mode
I desire to use (The MicroKeyer 2 has its own built in sound
card). 

By the way, N1MM Logger is Freeware.

I own lots of options for my K3, but KDVR is not one of
them.  Is there any compelling reason to even *own* this
accessory, other than having a computer-less environment
which, in today's contesting environment, is not going to be
very competitive (unless your QTH is P5, Mt. Athos or
something exotic)?

Lu Romero - W4LT
K3 S# 3192
 



Message: 8
Date: Wed, 14 Oct 2009 12:22:23 -0700
From: "Andrew Faber" 
Subject: Re: [Elecraft] K3 - KDVR
To: "Brett Howard" ,"Barry
Pfeil"

Cc: Elecraft Reflector ,Fred
Jensen

Message-ID: <002701ca4d03$a893f570$f2000...@bc.local>
Content-Type: text/plain; format=flowed;
charset="iso-8859-1";
reply-type=original

Brett,
  As I see it the advantage is that you can send messages
from the keyboard 
(particularly useful if you have an SO2R setup with the
radios spread 
apart).  Furthermore, you can integrate the message sending
into the normal 
message sending functionality, like message repeating and
hitting ESC to 
stop it.  I do that with my logging program, CQPWIN, and
find it's more 
convenient than continually using the radio buttons. I do
have to have the 
program calibrate the length of each message first, to be
able to do the 
repeating properly.  It works fine.
  73, andy, ae6y
- Original Message - 
From: "Brett Howard" 
To: "Barry Pfeil" 
Cc: "Elecraft Reflector" ; "Fred
Jensen" 

Sent: Wednesday, October 14, 2009 10:30 AM
Subject: Re: [Elecraft] K3 - KDVR


What makes this easier than just using the radio?  Seems to
me that
its just as easy to press M1 as F1...  Also now that VOX can
now stop
tx of a DVR message stopping it is as simple as pressing
nearly any
button or beginning a transmission.  Heck ESC would probably
also work
if you initiated w/ M1 if it works when you press F1.

BTH


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Re: [Elecraft] K3 - KDVR

[David Gilbert]

I've done all that as well (or at least most of it), but it takes a 
moderate amount of time for me to check and edit the recorded audio 
files to make sure they sound as close to my normally transmitted voice 
as possible (same volume, etc).  I've heard some truly horrible examples 
during contests where the voice file and the real-time voice sounded so 
different that you'd swear it was a different person.  I even had one 
contact with a station where the recorded voice was from a man and the 
operator was a YL!  Any confusion that sort of thing causes just slows 
the QSO rate.

I don't own a KDVR (yet), but one of its potential advantages would seem 
to be the ability to quickly set up voice memories for a new contest 
that sounded exactly like your normal mic voice without any additional 
editing.

73,
Dave   AB7E



Lu Romero wrote:
> Gents:
>
> Im trying to understand the need to even *consider* a KDVR
> module.
>
> I use N1MMLogger, and have for over 4 years now.  I can
> record, not only messages, but numbers and letters and
> phrases into the computer (pre-air processor, using my air
> mic) and off air audio, up to the limiting amount of storage
> that my computer's hard drive has (zillions and zillions of
> messages, hours and hours of QSO's!).
>
> The Logger software can parse the letters and numbers.  It
> sends, not only pre-canned signal reports, but dynamic
> callsigns and serial numbers live.  If I choose to, I dont
> even have to talk at all in a SSB contest (ever work Jamie,
> NS3T?  You worked a DVK!).
>
> Not only this, but with the "Enter Sends Message" feature of
> Logger, I input the callsign and hit the enter key, and the
> software sequences the correct function key for the QSO step
> automatically.  It even logs the Q when done and sends QRZ
> for the next one.  
>
> In multioperator situations, I can have all the operators
> using the station record the messages and when they take
> their shift, they press CTRL-O, put in their callsigns, and
> the software will load the Logger's DVK with their own
> personal voice message files automatically.
>
> Although I use a MicroKeyer 2, K3 makes interfacing to the
> computer as simple as plugging in the soundcard line out
> into line in on the back of the radio and plugging the
> soundcard in (not really needed, but useful if I set Logger
> to record each QSO) into the line out of the K3.  So, worst
> case, you need a USB to serial adaptor for CAT and two 1/8
> inch stereo cables for audio I/O.
>
> If I ever want to go portable or operate at another station
> with my K3, I take my MicorKeyer 2 and the K3 interface
> cable with me.  Then, one single USB cable is all that is
> needed to interface the computer to the MicroKeyer 2 for
> full DVK, CAT and all other feature functionality in SSB,
> CW, RTTY and PSK, along with any other soundcard based mode
> I desire to use (The MicroKeyer 2 has its own built in sound
> card). 
>
> By the way, N1MM Logger is Freeware.
>
> I own lots of options for my K3, but KDVR is not one of
> them.  Is there any compelling reason to even *own* this
> accessory, other than having a computer-less environment
> which, in today's contesting environment, is not going to be
> very competitive (unless your QTH is P5, Mt. Athos or
> something exotic)?
>
> Lu Romero - W4LT
> K3 S# 3192
>  
>
>
>
> Message: 8
> Date: Wed, 14 Oct 2009 12:22:23 -0700
> From: "Andrew Faber" 
> Subject: Re: [Elecraft] K3 - KDVR
> To: "Brett Howard" ,"Barry
> Pfeil"
> 
> Cc: Elecraft Reflector ,Fred
> Jensen
> 
> Message-ID: <002701ca4d03$a893f570$f2000...@bc.local>
> Content-Type: text/plain; format=flowed;
> charset="iso-8859-1";
> reply-type=original
>
> Brett,
>   As I see it the advantage is that you can send messages
> from the keyboard 
> (particularly useful if you have an SO2R setup with the
> radios spread 
> apart).  Furthermore, you can integrate the message sending
> into the normal 
> message sending functionality, like message repeating and
> hitting ESC to 
> stop it.  I do that with my logging program, CQPWIN, and
> find it's more 
> convenient than continually using the radio buttons. I do
> have to have the 
> program calibrate the length of each message first, to be
> able to do the 
> repeating properly.  It works fine.
>   73, andy, ae6y
> - Original Message - 
> From: "Brett Howard" 
> To: "Barry Pfeil" 
> Cc: "Elecraft Reflector" ; "Fred
> Jensen" 
> 
> Sent: Wednesday, October 14, 2009 10:30 AM
> Subject: Re: [Elecraft] K3 - KDVR
>
>
> What makes this easier than just using the radio?  Seems to
> me that
> its just as easy to press M1 as F1...  Also now that VOX can
> now stop
> tx of a DVR message stopping it is as simple as pressing
> nearly any
> button or beginning a transmission.  Heck ESC would probably
> also work
> if you initiated w/ M1 if it works when you press F1.
>
> BTH
>
>
> __
> Elecraft mailing list
> Home: http

Re: [Elecraft] Morse Trainer

[Doug Joyce]

Brian:  Suggest that you also have a look at RufzXP.  I've found it very
helpful and it can be customized to fit your current speed level.

Good Luck

73,  Doug  VE3MV
K3/100  #2432

- Original Message - 
From: "Brendan Minish" 
To: "Brian Machesney" 
Cc: "Elecraft Reflector" 
Sent: Thursday, October 15, 2009 11:02 AM
Subject: Re: [Elecraft] Morse Trainer


> Hello Brian
>
> Learn CW on Line is an excellent and well though out course
> http://www.lcwo.net/
>
> Fabian, DJ1YFK designed the course, Fabian is an expert High speed CW
> op. (& a K2 user ;-)
> http://fkurz.net/ham/
>
> the art and Skill of Radio-Telegraphy is a must read too
> it can be found here and at other places on the web
> http://n1su.com/contents.htm
>
>
> 73's and good luck with your endeavours
> Brendan EI6IZ
>
>
> Brendan EI6IZ
>
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> Please help support this email list: http://www.qsl.net/donate.html
>
>


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Re: [Elecraft] K3 - KDVR

[Andrew Faber]

As an example of use of the K3 DVR, in March I was operating ARRL Phone 
froom P49Y.  When operating split on 40m you have to change your listening 
frequency every so often.  Although I generally use prerecorded messages for 
CQs, in that case it was easy to just record a new message in M1 on the K3 
announcing the updated listening frequency, then send it from the keyboard. 
Having the K3 DVR was very useful in that context.  Also, if you are ever 
having computer audio issues, perhaps due to rf pickup, sending the messages 
directly from the radio does bypass all those problems.  So I think it's a 
good fall-back option.
  73, andy ae6y
- Original Message - 
From: "David Gilbert" 
To: 
Cc: 
Sent: Thursday, October 15, 2009 11:07 AM
Subject: Re: [Elecraft] K3 - KDVR


>
> I've done all that as well (or at least most of it), but it takes a
> moderate amount of time for me to check and edit the recorded audio
> files to make sure they sound as close to my normally transmitted voice
> as possible (same volume, etc).  I've heard some truly horrible examples
> during contests where the voice file and the real-time voice sounded so
> different that you'd swear it was a different person.  I even had one
> contact with a station where the recorded voice was from a man and the
> operator was a YL!  Any confusion that sort of thing causes just slows
> the QSO rate.
>
> I don't own a KDVR (yet), but one of its potential advantages would seem
> to be the ability to quickly set up voice memories for a new contest
> that sounded exactly like your normal mic voice without any additional
> editing.
>
> 73,
> Dave   AB7E
>
>
>
> Lu Romero wrote:
>> Gents:
>>
>> Im trying to understand the need to even *consider* a KDVR
>> module.
>>
>> I use N1MMLogger, and have for over 4 years now.  I can
>> record, not only messages, but numbers and letters and
>> phrases into the computer (pre-air processor, using my air
>> mic) and off air audio, up to the limiting amount of storage
>> that my computer's hard drive has (zillions and zillions of
>> messages, hours and hours of QSO's!).
>>
>> The Logger software can parse the letters and numbers.  It
>> sends, not only pre-canned signal reports, but dynamic
>> callsigns and serial numbers live.  If I choose to, I dont
>> even have to talk at all in a SSB contest (ever work Jamie,
>> NS3T?  You worked a DVK!).
>>
>> Not only this, but with the "Enter Sends Message" feature of
>> Logger, I input the callsign and hit the enter key, and the
>> software sequences the correct function key for the QSO step
>> automatically.  It even logs the Q when done and sends QRZ
>> for the next one.
>>
>> In multioperator situations, I can have all the operators
>> using the station record the messages and when they take
>> their shift, they press CTRL-O, put in their callsigns, and
>> the software will load the Logger's DVK with their own
>> personal voice message files automatically.
>>
>> Although I use a MicroKeyer 2, K3 makes interfacing to the
>> computer as simple as plugging in the soundcard line out
>> into line in on the back of the radio and plugging the
>> soundcard in (not really needed, but useful if I set Logger
>> to record each QSO) into the line out of the K3.  So, worst
>> case, you need a USB to serial adaptor for CAT and two 1/8
>> inch stereo cables for audio I/O.
>>
>> If I ever want to go portable or operate at another station
>> with my K3, I take my MicorKeyer 2 and the K3 interface
>> cable with me.  Then, one single USB cable is all that is
>> needed to interface the computer to the MicroKeyer 2 for
>> full DVK, CAT and all other feature functionality in SSB,
>> CW, RTTY and PSK, along with any other soundcard based mode
>> I desire to use (The MicroKeyer 2 has its own built in sound
>> card).
>>
>> By the way, N1MM Logger is Freeware.
>>
>> I own lots of options for my K3, but KDVR is not one of
>> them.  Is there any compelling reason to even *own* this
>> accessory, other than having a computer-less environment
>> which, in today's contesting environment, is not going to be
>> very competitive (unless your QTH is P5, Mt. Athos or
>> something exotic)?
>>
>> Lu Romero - W4LT
>> K3 S# 3192
>>
>>
>>
>>
>> Message: 8
>> Date: Wed, 14 Oct 2009 12:22:23 -0700
>> From: "Andrew Faber" 
>> Subject: Re: [Elecraft] K3 - KDVR
>> To: "Brett Howard" ,"Barry
>> Pfeil"
>> 
>> Cc: Elecraft Reflector ,Fred
>> Jensen
>> 
>> Message-ID: <002701ca4d03$a893f570$f2000...@bc.local>
>> Content-Type: text/plain; format=flowed;
>> charset="iso-8859-1";
>> reply-type=original
>>
>> Brett,
>>   As I see it the advantage is that you can send messages
>> from the keyboard
>> (particularly useful if you have an SO2R setup with the
>> radios spread
>> apart).  Furthermore, you can integrate the message sending
>> into the normal
>> message sending functionality, like message repeating and
>> hitting ESC to
>> stop it.  I do that with my logging program, CQPWIN, and
>> find it'

[Elecraft] K3 - KDVR vs N1MM

[Ken Kopp]

I have and -can- use N1MM.  My club uses if for FD.  However,
I view it as extremely complex and requiring a long learning
curve.  It -is- a fine program, but perhaps too fine for many.
It handles many contests ... some rather obscure ... and yet
it doesn't (conveniently) do CQP. (;-(  The manual for the thing 
uses 405 pages to explain it!

The K3's DVR has a number of uses.  I have several CQ's for 
different uses, my call in a couple of forms, etc. set up in 
memories. The stand-alone DVR -does- meet the real-world 
needs for many.

73! Ken Kopp - K0PP
 elecraftcov...@rfwave.net


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Re: [Elecraft] K3 - KDVR

[Lu Romero]

Well, as a Fall back redundancy option, granted, its a
consideration.

However, it is no problem to record on the fly using N1MM
when you either run the mic line through the sound card (as
I used to do) or split from a mixer (as I do now with a
cheap Behringer EuroRack mixing board).  You just hit TEST
on the K3, hit CTRL-Shift-F1 on the computer and record the
new frequency into your message.  For example, "W4LT
listening this frequency and 7.090".  to check it, just hit
F1 and it will play back. Re-enable TX by hitting TEST
again.  This way you actually hear it through the radio
monitor.

Regarding the levels and editing, none is needed.  The level
should not be any different than the level you are
transmitting with, because, well, youre transmitting through
the soundcard as well as recording!  Editing is simple, you
dont like what it sounds like, re-record it by hitting
CTRL-Shift-F1 till you are happy with the result.  

Computer audio RF issues should have reared their ugly heads
when you were doing setup before the contest, not during
one.  The beauty of K3 is that you really dont need an
interface at all... The transformers are built in.  With K3
and MicroKeyer, you double buffer the i/o lines with
transformers on both sides... I have NEVER experienced RF
issues with either MK or MK2 (I own one of both), in fact,
using a admittedly "dirty" OCF dipole, the MK's actually
REMOVED the little bit of RF I was getting into the audio
with my old Kenwood TS850 and that antenna.

Frankly, computers do break, but so do radios.  The only way
to have full redundancy is to bring at least two of each
part... That gets expensive.

So how much are those five nines worth to you?

-lu-W4LT-

 

- Original Message Follows -
From: "Andrew Faber" 
To: "David Gilbert" ,

Cc: 
Subject: Re: [Elecraft] K3 - KDVR
Date: Thu, 15 Oct 2009 11:19:40 -0700

>As an example of use of the K3 DVR, in March I was
>operating ARRL Phone  froom P49Y.  When operating split on
>40m you have to change your listening  frequency every so
>often.  Although I generally use prerecorded messages for 
>CQs, in that case it was easy to just record a new message
>in M1 on the K3  announcing the updated listening frequency
>, then send it from the keyboard.  Having the K3 DVR was
>very useful in that context.  Also, if you are ever  having
>computer audio issues, perhaps due to rf pickup, sending
>the messages  directly from the radio does bypass all those
>problems.  So I think it's a  good fall-back option.
>  73, andy ae6y
>- Original Message - 
>From: "David Gilbert" 
>To: 
>Cc: 
>Sent: Thursday, October 15, 2009 11:07 AM
>Subject: Re: [Elecraft] K3 - KDVR
>
>
>>
>> I've done all that as well (or at least most of it), but
>> it takes a moderate amount of time for me to check and
>> edit the recorded audio files to make sure they sound as
>> close to my normally transmitted voice as possible (same
>> volume, etc).  I've heard some truly horrible examples
>during contests where the voice file and the real-time
>> voice sounded so different that you'd swear it was a
>> different person.  I even had one contact with a station
>> where the recorded voice was from a man and the operator
>was a YL!  Any confusion that sort of thing causes just
>> slows the QSO rate.
>>
>> I don't own a KDVR (yet), but one of its potential
>> advantages would seem to be the ability to quickly set up
>> voice memories for a new contest that sounded exactly
>> like your normal mic voice without any additional
>>editing. 
>> 73,
>> Dave   AB7E
>>
>>
>>
>> Lu Romero wrote:
>>> Gents:
>>>
>>> Im trying to understand the need to even *consider* a
>>> KDVR module.
>>>
>>> I use N1MMLogger, and have for over 4 years now.  I can
>>> record, not only messages, but numbers and letters and
>>> phrases into the computer (pre-air processor, using my
>>> air mic) and off air audio, up to the limiting amount of
>>> storage that my computer's hard drive has (zillions and
>>> zillions of messages, hours and hours of QSO's!).
>>>
>>> The Logger software can parse the letters and numbers. 
>>> It sends, not only pre-canned signal reports, but
>>> dynamic callsigns and serial numbers live.  If I choose
>>> to, I dont even have to talk at all in a SSB contest
>>> (ever work Jamie, NS3T?  You worked a DVK!).
>>>
>>> Not only this, but with the "Enter Sends Message"
>>> feature of Logger, I input the callsign and hit the
>>> enter key, and the software sequences the correct
>>> function key for the QSO step automatically.  It even
>>> logs the Q when done and sends QRZ for the next one.
>>>
>>> In multioperator situations, I can have all the
>>> operators using the station record the messages and when
>>> they take their shift, they press CTRL-O, put in their
>>> callsigns, and the software will load the Logger's DVK
>>> with their own personal voice message files
>>>automatically. 
>>> Although I use a MicroKeyer 2, K3 makes interfacing to
>>> the computer as simple as plugging i

Re: [Elecraft] K3 - KDVR

[Ron D'Eau Claire]

Don't forget that there are many Hams who don't do contests, but who
appreciate the ability to record and playback audio. 

Many of them I know wouldn't even have a computer in the same room with the
rig beyond the occasional firmware update. 

Ron AC7AC


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[Elecraft] Spotting DX

[Robert Beard]

Hi Jim,

In your scenario - split with simultaneous signals, yes, you must have both 
receivers.

However, you can work split just fine with one receiver and two VFOs, but you 
have to hop back and forth between the VFOs, using whatever method you prefer.

It is also possible to "split" with a single VFO, if there is RIT or XIT 
available.

Worked 3Y0X, split, with the KX1 which has only RIT available

Rob, N6VX

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Re: [Elecraft] K3 - KDVR

[David Gilbert]

That's simply not true.  There are all sorts of settings that can make 
audio sound differently going through the sound card one way versus 
another.  I check my on-the-air signals and they are typically different 
without some adjusting.  Other contesters do the same editing that I do 
to get their recordings to sound the same as their mic voice.  Ask 
around ... you'll see.  I suspect you've never checked your transmitted 
signal with a different receiver to make sure.  I do. 

Maybe your recordings always sound the same as your mic voice, but there 
is nothing that says that will be the case in general.

Dave   AB7E



Lu Romero wrote:
> Regarding the levels and editing, none is needed.  The level
> should not be any different than the level you are
> transmitting with, because, well, youre transmitting through
> the soundcard as well as recording!  Editing is simple, you
> dont like what it sounds like, re-record it by hitting
> CTRL-Shift-F1 till you are happy with the result.  
>
>   
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Re: [Elecraft] SPLIT mode reset on band change

[Barry Pfeil]

Thanks, Wayne.  Can one say enough good about a company where you can get an 
answer (from one of the founders!) in just six minutes?  You guys are the 
greatest and I LOVE MY K3!
73, Barry K6RM





From: Wayne Burdick 
To: Barry Pfeil 
Cc: Elecraft Reflector 
Sent: Thursday, October 15, 2009 9:14:18 AM
Subject: Re: SPLIT mode reset on band change

Hi Barry,

Set CONFIG:SPLT SV to YES. This preserves the on/off states of SPLT, RIT, and 
XIT on band change.

Wayne
N6KR

On Oct 15, 2009, at 9:08 AM, Barry Pfeil wrote:

> In the year I have had my K3 I have used it mainly for contesting and hardly 
> ever operated in split mode.  Lately I have been chasing some DX and had more 
> than my usual share of mistakes calling on the transmit frequency of the DX.  
> I was just shaking my head at my own incompetence until it finally dawned on 
> me that the K3 switches off the "SPLIT" mode every time I change bands.  Can 
> that function be turned off?
> 
> 73, Barry K6RM
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[Elecraft] chasing DX on cw

[r miles]

When I'm split I just push A/B. I am then listening to my Xmit Freq. I set the 
bandwidth  narrow on my listening freq &  wider on my Xmit freq. When the DX  
turns it back to the stn it;s working  I punch A/B   & tune for their signal if 
it's not in my receive bandwidth. Some times you find them  sometimes you 
don't. Mostly I do.Then push A/B again to hear the DX go QRZ
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Re: [Elecraft] has the k2 a future?

[David Woolley (E.L)]

Mike Harris wrote:
> 
> I understand from a previous post that memory is maxed out.  Also that a 
> possible pin compatible micro with more memory is a possibility.  I have 
> offered the idea that pruning the rather generous CW memories might 
> offer up enough memory with the existing micro for the update you 
> mention.  A functionality which has been requested for years now.

It will be the flash program memory that is maxed out, but the CW 
memories will be in EEPROM, probably the off-chip serial EEPROMs.

-- 
David Woolley
"we do not overly restrict the subject matter on the list, and we
encourage postings on a wide range of amateur radio related topics"
List Guidelines 
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Re: [Elecraft] [K3] K3 Rev C DSP with Low Freq Enhancement

[Juan EA5RS]

Wished I had a set of ears like yours.
12 KHz alias signals measure 65 dB down from CW beat note in my K3
while 3rd harmonic is 55 dB down.

73
Juan EA5RS




Mike Scott-7 wrote:
> 
> I have installed the beta version of the Low Pass filter board. It turned
> my
> K3 into a whole different radio. I had been experiencing audio fatigue to
> the point I just stopped using the K3 for CW. I know Paul says the audio
> is
> one of the best designed audio circuits for a communications receiver. I
> say
> it is now but not before. I may have had a singular issue with my K3 or I
> have a singular set of ears.
> 
> Mike Scott - AE6WA
> Tarzana, CA (DM04 / near LA)
> NAQCC 3535
> K3-100 #508 / KX1  #1311
> 
>> Unfortunately, the issue with the 12 kHz leakage (DAC clock?) and beat
>> notes (+/- CW sidetone around 12 kHz) make for some awful audio in CW.
>> I guess most folks don't hear it, but given previous reports from
>> others, it is an issue.  I can't comfortably use the K3 for CW unless
>> using outboard low-pass audio filters to knock the high end garbage  
>> down
>> to an in-audible level.
>>
>> 73
>> Eric NO3M
> 
> 

-- 
View this message in context: 
http://n2.nabble.com/K3-Rev-C-DSP-with-Low-Freq-Enhancement-ship-date-info-New-swap-out-option-on-parts-order-page-tp3789876p3832365.html
Sent from the [K3] mailing list archive at Nabble.com.
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[Elecraft] K3 KDVR

[rfenabled]

Oh well, here is my 2 cents worth...(:-))

When operating portable (99 percent of the time in my case) it is not always 
practical to run a Laptop and during a 24 hour contest there will be battery 
issues to contend with.
Sure, I could run the Genset, but why bother when the K3 has a great DVR that 
will handle the job nicely without the aid of Mr. Gates and his unreliable box 
of techno-gizmo's(:-))

I am not interested in sitting in front of a PC and punching buttons all thru a 
contest. Point, Click, F this and then F that etcjust does not get me fired 
up. I enjoy the human interaction of HF DX and pitting my skills against the 
rest. A trophy or an award are great ways to recognise a job well done in a 
contest, but for me, I prefer to operate without a PC and if that costs me 
QSO's and points then I am still happy as I feel a sense of personal 
achievement and to me, that's what counts most.

I admire those of you who stay awake for the entire contest, you deserve 
congratulations, but for me, I may be slow, but boy oh boy I still have fun.

The DVR gives my throat a rest and a chance to sip on a nice cold beer, all 
that plus having fun in the "Outback"

73's
Gary
VK4WT/P In the Motorhome
Sent via BlackBerry® from Telstra
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[Elecraft] K2 MV209 Varactor Diode Identification Question

[Gary W. Marklund]

There are 6 MV209 varactor diodes. Four are also marked as 417 and two 
as 412. Are these the same? Interchangeable?

Thanks,
Gary

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Re: [Elecraft] K2 MV209 Varactor Diode Identification Question

[Don Wilhelm]

Gary,

Those extra numbers are either batch numbers or some other 
manufacturer's tracking code numbers.
Yes, they are interchangeable.

73,
Don W3FPR

Gary W. Marklund wrote:
> There are 6 MV209 varactor diodes. Four are also marked as 417 and two 
> as 412. Are these the same? Interchangeable?
>
> Thanks,
> Gary
>   
>
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[Elecraft] K3 Not Sending Data

[W1UE]

My K3 has stopped sending data.

If I use N1MM, I can change the radio band/mode thru the program.  If I 
change the band or mode at the radio, it does not communicate the info 
to the computer.  After about 30 seconds, the "Radio Not Responding" 
error box comes on.

If I use the Elecraft K3 Utility and poll the radio, the program shows 
"Serial Port Com3 is Open", and "K3 Polling" on the next line, but after 
15 minutes there is no info from the radio.

Suggestions?

Dennis W1UE


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[Elecraft] K2 Alignment and Test, Part II questions

[KEN]

Hello all,

Page 60 the 4MHZ Oscillator Calibration, shows 12089 on my freq counter at TP3. 
I can't get C22 to go above 12050 to match the 12089...Is this a problem?  

PLL Reference Oscillator Range..high 12098.99low 12086.21.

BFO Test.high 4917.26low 4912.89. Low range is a bit high, supposed to 
be less than 4912.7..Is this a problem?

Thanks, Ken W2GIW
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Re: [Elecraft] has the k2 a future?

[Wayne Burdick]

There's no issue with program memory in the K2; we could upgrade to a  
larger part. But we spent years on K2 firmware and optimized it for  
the rig's intended usage, and it's a business decision to focus on  
other products for the time being.

73,
Wayne
N6KR

On Oct 15, 2009, at 2:41 PM, David Woolley (E.L) wrote:

> Mike Harris wrote:
>>
>> I understand from a previous post that memory is maxed out


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Re: [Elecraft] SPLIT mode reset on band change

[The Smiths]

Better yet, wouldn't it be much nicer if the display could change to the Xmit 
freq. when you're in split mode?  I know we have the little yellow LED, and the 
Tiny little Arrow pointing to the B channel, but having the display actually 
show you where you're transmitting, like when the RIT is on would be SO 
much more helpful, and intuitive.

 
> Date: Thu, 15 Oct 2009 09:08:54 -0700
> From: barrypf...@sbcglobal.net
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] SPLIT mode reset on band change
> 
> In the year I have had my K3 I have used it mainly for contesting and hardly 
> ever operated in split mode.  Lately I have been chasing some DX and had more 
> than my usual share of mistakes calling on the transmit frequency of the DX.  
> I was just shaking my head at my own incompetence until it finally dawned on 
> me that the K3 switches off the "SPLIT" mode every time I change bands.  Can 
> that function be turned off?
> 
> 73, Barry K6RM
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Re: [Elecraft] SPLIT mode reset on band change

[Wayne Burdick]

In split mode, VFO B is always the transmit frequency, and it is  
always displayed, unless you have a special display mode in effect.

73,
Wayne
N6KR

On Oct 15, 2009, at 4:59 PM, The Smiths wrote:

>
> Better yet, wouldn't it be much nicer if the display could change to  
> the Xmit freq. when you're in split mode?

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Re: [Elecraft] SPLIT mode reset on band change

[The Smiths]

There in lies the problem, in CW I keep my CWT and text reader on, therefore 
blocking the freq. of VFO B.   I was learned well into remembering when that 
split was on after I accidently moved up band to call CQ after working a 
Dxpedtion 1.5Khz away from his transmit freq. and forgot that the split was 
still on... 10 minutes of CQing later, and with egg on my face, I realized what 
I was doing, and quickly turned off the rig in shame.

I wouldn't normally admit to this, but if it helps others, then I'm all for 
it...

If the display on the VFO A had changed according to the transmit freq. I would 
have known what I was doing. Mind you, I'll never forget again, that I can tell 
you.  But to save face for others, I would suggest the Disply change..
 
Oh yes, one other thing,  I tend to keep my RIT on, and at any point it can be 
off by .001 so, you never know if you're in split, or just have the RIT moved 
off center a bit.   You get the idea.

 
Thanks



 
> CC: elecraft@mailman.qth.net
> From: n...@elecraft.com
> To: notforc...@hotmail.com
> Subject: Re: SPLIT mode reset on band change
> Date: Thu, 15 Oct 2009 17:08:07 -0700
> 
> In split mode, VFO B is always the transmit frequency, and it is 
> always displayed, unless you have a special display mode in effect.
> 
> 73,
> Wayne
> N6KR
> 
> On Oct 15, 2009, at 4:59 PM, The Smiths wrote:
> 
> >
> > Better yet, wouldn't it be much nicer if the display could change to 
> > the Xmit freq. when you're in split mode?
> 
  
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Re: [Elecraft] [KX1] "It's alive," sort of!

[Mike Scott]

Ed, welcome to Elecraft. I wish to relate my own experience. I had been off
the air for 30 years. I got the bug to return to the community. I took the
tests in November 2005 and for Christmas I asked for a KX1. I built it and
in January 2006 I finished. I put up a 40M inverted vee (still up and my
main antenna). The acid test soon came. I was tuning around 7.040 and I
heard JA3OLW call CQ. His signal was okay and I thought, why not? I returned
the call and he came right back. Suke was my first QSO in 30 years on a
radio that had never transmitted before. I was just as nervous as when I was
a novice in 1967. The best part: I built it myself! Crikey!

 

Any time you wish to get on the air with whatever Morse you can bring, I am
game.

 

Mike Scott

AE6WA Tarzana, CA

K3/100 SN508

 

 

>first thing I found was I never installed R2x, then in a close inspection I
found L10 was

cracked, crikey!  So I installed the missing resistor and ordered a new L10.


After installing L10 this morning I was amazed to hear a signal on my radio.


I have not had time for the alignment yet but I will get to it this

afternoon.

 

So I hope to get finished and on the air soon, so I can frustrate everyone

with my poor morse.  Another learning process.

 

73,  Ed  KE7HGA

 

 

 

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Re: [Elecraft] SPLIT mode reset on band change

[Wayne Burdick]

Maybe we could obnoxiously flash the "Delta F" LED when you're in  
SPLIT. Menu option, of course :)

Wayne

On Oct 15, 2009, at 5:14 PM, The Smiths wrote:

>
> There in lies the problem, in CW I keep my CWT and text reader on,  
> therefore blocking the freq. of VFO B.   I was learned well into  
> remembering when that split was on after I accidently moved up band  
> to call CQ after working a Dxpedtion 1.5Khz away from his transmit  
> freq. and forgot that the split was still on... 10 minutes of CQing  
> later, and with egg on my face, I realized what I was doing, and  
> quickly turned off the rig in shame.
> I wouldn't normally admit to this, but if it helps others, then I'm  
> all for it...
>
> If the display on the VFO A had changed according to the transmit  
> freq. I would have known what I was doing. Mind you, I'll never  
> forget again, that I can tell you.  But to save face for others, I  
> would suggest the Disply change..
>
> Oh yes, one other thing,  I tend to keep my RIT on, and at any point  
> it can be off by .001 so, you never know if you're in split, or just  
> have the RIT moved off center a bit.   You get the idea.
>
>
> Thanks
>
>
>
> > CC: elecraft@mailman.qth.net
> > From: n...@elecraft.com
> > To: notforc...@hotmail.com
> > Subject: Re: SPLIT mode reset on band change
> > Date: Thu, 15 Oct 2009 17:08:07 -0700
> >
> > In split mode, VFO B is always the transmit frequency, and it is
> > always displayed, unless you have a special display mode in effect.
> >
> > 73,
> > Wayne
> > N6KR
> >
> > On Oct 15, 2009, at 4:59 PM, The Smiths wrote:
> >
> > >
> > > Better yet, wouldn't it be much nicer if the display could  
> change to
> > > the Xmit freq. when you're in split mode?
> >
>
> Hotmail: Powerful Free email with security by Microsoft. Get it now.

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Re: [Elecraft] Spotting DX

[Wayne Burdick]

Jim wrote:

> I know you can listen to two conversations on different VFO's  
> (Frequencies
> at the same time when you have the Sub Receiver Installed; However  
> with no
> Sub Receiver I believe this is this correct? """If you don't have  
> the sub
> receiver & listening using a set of headphones like a Heil Pro set you
> cannot listen to both sides of a conversation at the same time WHEN  
> both VFO
> A and B set...VFO A at 14.195 and VFO B at 14.205...you must  
> always
> push the REV to listen to B. They can never be heard at the same  
> time???
> Correct???

Correct: You cannot listen on two frequencies at the same time unless  
you have the sub receiver. But you can always hold REV or tap A/B to  
listen to the station at VFO B's frequency.

Some transceivers have something called "dual watch," which splits the  
receive path at the mixer input. We didn't want to take this simpler  
approach, because it doesn't provide diversity receive. That takes two  
separate receivers with independent antennas. Hence the KRX3.

73,
Wayne
N6KR


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Re: [Elecraft] K3 - computer communications

[Phil and Christina]

Thank you to those who answered with suggestions.  As I was fooling around
with it trying to understand where the problem was coming from, Logic 8 had
a terminal error and shut down.  Restarting the application after an
unnormal close, caused the program to reinitialize and rebuild the database.
After that took place, I have run the K3 and computer for a day without
errors.  It appears to have "fixed itself".  The tree is one of thousands
here and will not be missed.  Thanks again,

73,

Phil, NS7P

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net]on Behalf Of Phil and Christina
Sent: Wednesday, October 14, 2009 5:16 PM
To: Elecraft Reflector
Subject: [Elecraft] K3 - computer communications


I use Logic 8 as a logging program, and it has communicated fine over a
serial port with my K3 (s/n 1826).  Today a windstorm dropped a tree across
a power line, and the power surged on and off several times before going off
completely.  The computer is a Dell laptop in a docking station.  The
computer is powered through a UPS.  My K3 is powered by a stout Astron
RS-35M linear supply (that is not on the UPS).

I don't know if there is a causal agent at work, but now I have
communications issues.  If I turn the radio on and launch Logic 8, the
computer and radio seem to communicate OK at first.  Then after maybe 5 to
10 minutes, the computer puts up a message that the link has been lost and
the communications stops (no frequency updating, etc.).  If I close and
reopen Logic 8, they communicate for a bit before the message comes back.

Any suggestions?  Thank you.

73,

Phil, NS7P

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Re: [Elecraft] [KX1] "It's alive," sort of!

[EMD]

Hi Mike,

That sounds great.  I have never sent cw before, but I have been  
trying to prepare.  Now I really need to get up to speed since my  
radio is nearing completion.

Thanks Mike,

Ed Doyle  KE7HGA  Colora MD
On Oct 15, 2009, at 8:18 PM, Mike Scott-7 (via Nabble) wrote:

> Ed, welcome to Elecraft. I wish to relate my own experience. I had  
> been off
> the air for 30 years. I got the bug to return to the community. I  
> took the
> tests in November 2005 and for Christmas I asked for a KX1. I built  
> it and
> in January 2006 I finished. I put up a 40M inverted vee (still up  
> and my
> main antenna). The acid test soon came. I was tuning around 7.040  
> and I
> heard JA3OLW call CQ. His signal was okay and I thought, why not? I  
> returned
> the call and he came right back. Suke was my first QSO in 30 years  
> on a
> radio that had never transmitted before. I was just as nervous as  
> when I was
> a novice in 1967. The best part: I built it myself! Crikey!
>
>
>
> Any time you wish to get on the air with whatever Morse you can  
> bring, I am
> game.
>
>
>
> Mike Scott
>
> AE6WA Tarzana, CA
>
> K3/100 SN508
>
>
>
>
>
> >first thing I found was I never installed R2x, then in a close  
> inspection I
> found L10 was
>
> cracked, crikey!  So I installed the missing resistor and ordered a  
> new L10.
>
>
> After installing L10 this morning I was amazed to hear a signal on  
> my radio.
>
>
> I have not had time for the alignment yet but I will get to it this
>
> afternoon.
>
>
>
> So I hope to get finished and on the air soon, so I can frustrate  
> everyone
>
> with my poor morse.  Another learning process.
>
>
>
> 73,  Ed  KE7HGA
>
>
>
>
>
>
>
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> View message @ http://n2.nabble.com/It-s-alive-sort-of-tp3829094p3832831.html
> To unsubscribe from "It's alive," sort of!, click here.
>


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Re: [Elecraft] K3 - KDVR

[Ignacy]

I tried 
{CATA1ASC K31;SWT21;}--CATA2ASC K31;SWT21;}
and it did not work. It worked when I removed "--" and accidental spaces
around SWT21.

Half of the command  
{CATA1ASC K31;SWT21;} 
plays just as well. What is the meaning of the second half?

Thanks for Gary ZL2IFB.
Ignacy


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Re: [Elecraft] K2 Alignment and Test, Part II questions

[Don Wilhelm]

Ken,

That information is a bit sketchy - I don't know the accuracy of your 
frequency counter.  Did the CAL FCTR frequency display change at all 
when adjusting C22?  If it did not change at all, then you may have a 
faulty C22 (it does not change capacity), but if it did change, then I 
will ask again about your confidence in your external counter's accuracy.

Your PLL range seems to be OK, and yes the BFO range is a bit on the 
high side, but that may change a bit once you are able to get the C22 
adjustment correct.

In any case, you can continue the build while the problem is being 
discussed and (hopefully) resolved.  The correct C22 setting will affect 
the dial calibration accuracy, but other than that, the other functions 
will still work fine business even though the frequency display may be a 
bit in error.

Just remember these items, and if necessary, resolve them later.

Once you have completed the K2, and can receive 10 MHz WWV, you can set 
the 4 MHz reference oscillator very accurately using only the K2 and WWV 
(which removes many variables).  See my website www.w3fpr.com article on 
K2 dial calibration for the details of how to do that.  The instructions 
in the manual are OK, but are written assuming no external equipment 
(and no complex instructions).  It is worth going the 'extra mile' to 
get things better than that obtained by the manual instructions.

73,
Don W3FPR


KEN wrote:
> Hello all,
>
> Page 60 the 4MHZ Oscillator Calibration, shows 12089 on my freq counter at 
> TP3. I can't get C22 to go above 12050 to match the 12089...Is this a 
> problem?  
>
> PLL Reference Oscillator Range..high 12098.99low 12086.21.
>
> BFO Test.high 4917.26low 4912.89. Low range is a bit high, supposed 
> to be less than 4912.7..Is this a problem?
>
> Thanks, Ken W2GIW
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>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com 
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[Elecraft] K3 Line Out in Data Mode?

[Jim Harris]

Hi,

I've been able to transmit and receive PSK and RTTY in USB & LSB on my new K3.  
That includes sound out of the Line Out on the rear panel to my computer's 
sound card.  However, in all data modes there is no sound from Line Out to the 
computer.  I've used MMTTY, MMVARI and Hamscope with the same results.  I've 
read everything related in the operators manual without finding anything that 
will help.  

Looking for working ideas.  

Thanks, have a good day and 73.

Jim, W0EM


  
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Re: [Elecraft] K3 Line Out in Data Mode?

[chen dave]

check your line out setting, maybe you set too low...


73 de ba4rf/Dave

On Fri, Oct 16, 2009 at 10:40 AM, Jim Harris  wrote:

>
> Hi,
>
> I've been able to transmit and receive PSK and RTTY in USB & LSB on my new
> K3.  That includes sound out of the Line Out on the rear panel to my
> computer's sound card.  However, in all data modes there is no sound from
> Line Out to the computer.  I've used MMTTY, MMVARI and Hamscope with the
> same results.  I've read everything related in the operators manual without
> finding anything that will help.
>
> Looking for working ideas.
>
> Thanks, have a good day and 73.
>
> Jim, W0EM
>
>
>
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Re: [Elecraft] K3 - KDVR

[Iain MacDonnell - N6ML]

On Fri, Oct 16, 2009 at 12:43 AM, Ignacy  wrote:
>
> I tried
> {CATA1ASC K31;SWT21;}--CATA2ASC K31;SWT21;}
> and it did not work. It worked when I removed "--" and accidental spaces
> around SWT21.

Don't know where the '-' came from - it should be a '{'.

> Half of the command
> {CATA1ASC K31;SWT21;}
> plays just as well. What is the meaning of the second half?

It was an attempt at an SO2R configuration, which I never really fully
tested. "CATA1ASC" means "send this to radio 1, iff it is currently
active". There is no "send this to the currently active radio" symbol,
so I had to send to both, but only if they're active, which seemed to
achieve the desired effect.

~Iain / N6ML
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Re: [Elecraft] K3 - KDVR

[Iain MacDonnell - N6ML]

I will probably use the KDVR3 with N1MM for Sweepstakes this year, as
I'll be a guest operator at another station (with real antennas), and
will be taking my own laptop. The built-in audio on the laptop is
garbage (when the gain is cranked up high enough for a Heil HC4 as
input, it has all sorts of nasty noises in it), and none of the USB
audio devices that I have seem to do duplex audio in the way I need
for N1MM software voice keying

I do use N1MM software voice keying for other contests, including SO2R
SSB. It works well most of the time, with a decent sound card. For a
simple single-operator contester who just wants to have a convenient
recorded CQ and maybe exchange, the KDVR3 method can be easier than
messing around with Windows audio, and there's less to go wrong...

~Iain / N6ML



On Thu, Oct 15, 2009 at 5:42 PM, Lu Romero  wrote:
> Gents:
>
> Im trying to understand the need to even *consider* a KDVR
> module.
>
> I use N1MMLogger, and have for over 4 years now.  I can
> record, not only messages, but numbers and letters and
> phrases into the computer (pre-air processor, using my air
> mic) and off air audio, up to the limiting amount of storage
> that my computer's hard drive has (zillions and zillions of
> messages, hours and hours of QSO's!).
>
> The Logger software can parse the letters and numbers.  It
> sends, not only pre-canned signal reports, but dynamic
> callsigns and serial numbers live.  If I choose to, I dont
> even have to talk at all in a SSB contest (ever work Jamie,
> NS3T?  You worked a DVK!).
>
> Not only this, but with the "Enter Sends Message" feature of
> Logger, I input the callsign and hit the enter key, and the
> software sequences the correct function key for the QSO step
> automatically.  It even logs the Q when done and sends QRZ
> for the next one.
>
> In multioperator situations, I can have all the operators
> using the station record the messages and when they take
> their shift, they press CTRL-O, put in their callsigns, and
> the software will load the Logger's DVK with their own
> personal voice message files automatically.
>
> Although I use a MicroKeyer 2, K3 makes interfacing to the
> computer as simple as plugging in the soundcard line out
> into line in on the back of the radio and plugging the
> soundcard in (not really needed, but useful if I set Logger
> to record each QSO) into the line out of the K3.  So, worst
> case, you need a USB to serial adaptor for CAT and two 1/8
> inch stereo cables for audio I/O.
>
> If I ever want to go portable or operate at another station
> with my K3, I take my MicorKeyer 2 and the K3 interface
> cable with me.  Then, one single USB cable is all that is
> needed to interface the computer to the MicroKeyer 2 for
> full DVK, CAT and all other feature functionality in SSB,
> CW, RTTY and PSK, along with any other soundcard based mode
> I desire to use (The MicroKeyer 2 has its own built in sound
> card).
>
> By the way, N1MM Logger is Freeware.
>
> I own lots of options for my K3, but KDVR is not one of
> them.  Is there any compelling reason to even *own* this
> accessory, other than having a computer-less environment
> which, in today's contesting environment, is not going to be
> very competitive (unless your QTH is P5, Mt. Athos or
> something exotic)?
>
> Lu Romero - W4LT
> K3 S# 3192
>
>
>
>
> Message: 8
> Date: Wed, 14 Oct 2009 12:22:23 -0700
> From: "Andrew Faber" 
> Subject: Re: [Elecraft] K3 - KDVR
> To: "Brett Howard" ,    "Barry
> Pfeil"
>    
> Cc: Elecraft Reflector ,    Fred
> Jensen
>    
> Message-ID: <002701ca4d03$a893f570$f2000...@bc.local>
> Content-Type: text/plain; format=flowed;
> charset="iso-8859-1";
>    reply-type=original
>
> Brett,
>  As I see it the advantage is that you can send messages
> from the keyboard
> (particularly useful if you have an SO2R setup with the
> radios spread
> apart).  Furthermore, you can integrate the message sending
> into the normal
> message sending functionality, like message repeating and
> hitting ESC to
> stop it.  I do that with my logging program, CQPWIN, and
> find it's more
> convenient than continually using the radio buttons. I do
> have to have the
> program calibrate the length of each message first, to be
> able to do the
> repeating properly.  It works fine.
>  73, andy, ae6y
> - Original Message -
> From: "Brett Howard" 
> To: "Barry Pfeil" 
> Cc: "Elecraft Reflector" ; "Fred
> Jensen"
> 
> Sent: Wednesday, October 14, 2009 10:30 AM
> Subject: Re: [Elecraft] K3 - KDVR
>
>
> What makes this easier than just using the radio?  Seems to
> me that
> its just as easy to press M1 as F1...  Also now that VOX can
> now stop
> tx of a DVR message stopping it is as simple as pressing
> nearly any
> button or beginning a transmission.  Heck ESC would probably
> also work
> if you initiated w/ M1 if it works when you press F1.
>
> BTH
>
>
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[Elecraft] K3 - Intermittent Loss of RF Output

[J.A. Wolf, MD, K6JW]

   I recently completed a K3 kit. All is well except that occasionally and 
unpredictably, RF output drops to zero. This can happen whether I'm operating 
barefoot, driving my Alpha, when simplex, or when split. If simplex, then going 
to split and back to simplex will often result in restoration of RF output, and 
vice versa, i.e., when split, going back to simplex and then split again will 
often help. Cycling the radio's power on and off will resolve the problem 
sometimes, too. This behavior is NOT seen with my other HF radios on the same 
amplifier and antenna system, so it must be something in the K3. Has anyone 
seen this problem and, if so, resolved it? Does anyone have any suggestions 
before I might have to ask the guys at Elecraft to look at it? Thanks in 
advance for any help.
73,
Jeff, K6JW
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Re: [Elecraft] K3 - KDVR

[Luis V. Romero]

Ian:

I don’t think you are understanding what I am saying...

You DO NOT use "Windows Audio" OR the laptop's soundcard at all.  The
"Soundcard" is built in to the MicroKeyer 2.  It is specially designed for
this application, with low noise and high dynamic range plus a standard
codec driver.  So you just connect the rig to the MicroKeyer 2 and the MK2
to the laptop using USB and everything works, even my HC4 Boomset through
the MK's External Mic in.

And there is no need for special CAT commands in the macros or the use of
PTT by radio command that can get messy since Logger just sends the CAT
command like a UDP packet.

But, to each their own, if it works for you, I'm glad.

I look forward to working you on SS.  I will be using my K3 driven with my
MK2 from home.

-lu-W4LT- 

-Original Message-
From: dse...@dseven.org [mailto:dse...@dseven.org] On Behalf Of Iain
MacDonnell - N6ML
Sent: Thursday, October 15, 2009 11:03 PM
To: lrom...@ij.net
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 - KDVR

I will probably use the KDVR3 with N1MM for Sweepstakes this year, as I'll
be a guest operator at another station (with real antennas), and will be
taking my own laptop. The built-in audio on the laptop is garbage (when the
gain is cranked up high enough for a Heil HC4 as input, it has all sorts of
nasty noises in it), and none of the USB audio devices that I have seem to
do duplex audio in the way I need for N1MM software voice keying

I do use N1MM software voice keying for other contests, including SO2R SSB.
It works well most of the time, with a decent sound card. For a simple
single-operator contester who just wants to have a convenient recorded CQ
and maybe exchange, the KDVR3 method can be easier than messing around with
Windows audio, and there's less to go wrong...

~Iain / N6ML



On Thu, Oct 15, 2009 at 5:42 PM, Lu Romero  wrote:
> Gents:
>
> Im trying to understand the need to even *consider* a KDVR module.
>
> I use N1MMLogger, and have for over 4 years now.  I can record, not 
> only messages, but numbers and letters and phrases into the computer 
> (pre-air processor, using my air
> mic) and off air audio, up to the limiting amount of storage that my 
> computer's hard drive has (zillions and zillions of messages, hours 
> and hours of QSO's!).
>
> The Logger software can parse the letters and numbers.  It sends, not 
> only pre-canned signal reports, but dynamic callsigns and serial 
> numbers live.  If I choose to, I dont even have to talk at all in a 
> SSB contest (ever work Jamie, NS3T?  You worked a DVK!).
>
> Not only this, but with the "Enter Sends Message" feature of Logger, I 
> input the callsign and hit the enter key, and the software sequences 
> the correct function key for the QSO step automatically.  It even logs 
> the Q when done and sends QRZ for the next one.
>
> In multioperator situations, I can have all the operators using the 
> station record the messages and when they take their shift, they press 
> CTRL-O, put in their callsigns, and the software will load the 
> Logger's DVK with their own personal voice message files 
> automatically.
>
> Although I use a MicroKeyer 2, K3 makes interfacing to the computer as 
> simple as plugging in the soundcard line out into line in on the back 
> of the radio and plugging the soundcard in (not really needed, but 
> useful if I set Logger to record each QSO) into the line out of the 
> K3.  So, worst case, you need a USB to serial adaptor for CAT and two 
> 1/8 inch stereo cables for audio I/O.
>
> If I ever want to go portable or operate at another station with my 
> K3, I take my MicorKeyer 2 and the K3 interface cable with me.  Then, 
> one single USB cable is all that is needed to interface the computer 
> to the MicroKeyer 2 for full DVK, CAT and all other feature 
> functionality in SSB, CW, RTTY and PSK, along with any other soundcard 
> based mode I desire to use (The MicroKeyer 2 has its own built in 
> sound card).
>
> By the way, N1MM Logger is Freeware.
>
> I own lots of options for my K3, but KDVR is not one of them.  Is 
> there any compelling reason to even *own* this accessory, other than 
> having a computer-less environment which, in today's contesting 
> environment, is not going to be very competitive (unless your QTH is 
> P5, Mt. Athos or something exotic)?
>
> Lu Romero - W4LT
> K3 S# 3192
>
>
>
>
> Message: 8
> Date: Wed, 14 Oct 2009 12:22:23 -0700
> From: "Andrew Faber" 
> Subject: Re: [Elecraft] K3 - KDVR
> To: "Brett Howard" ,    "Barry Pfeil"
>    
> Cc: Elecraft Reflector ,    Fred Jensen
>    
> Message-ID: <002701ca4d03$a893f570$f2000...@bc.local>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
>    reply-type=original
>
> Brett,
>  As I see it the advantage is that you can send messages from the 
> keyboard (particularly useful if you have an SO2R setup with the 
> radios spread apart).  Furthermore, you can integrate the message 
> sending into the normal message

[Elecraft] Flaw in the 1.8khz roofing filter

[Robert Wood]

K6LL mentions the negative comment (performance) of the 1.8khz filter 
documented in the QST review.   Has this been resolved?
Any update?

(If you read the QST review and the note on the 1.8 filter - nobody would 
buy one, the 2.8 yes - it out performed the 1.8)

and does it matter if I buy it from Inrad or Elecraft - wouldn't it have 
the problem either way?

73 Robert


List:   elecraft
Subject:RE: [Elecraft] K3 - INRAD Filter Sale
From:   "Jim" 
Date:   2009-01-01 17:34:31
Message-ID: BF12FB7816D2461DB5BB8ADB31AE54F2 () JimPC
[Download message RAW]

This was the exact statement in the QST review,
"Elecraft reported that they are working on developing an improved 
selection
process." I wouldn't read in that they are hand picking. If they are I 
would
like a confirmation.


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dave Hachadorian
Sent: Thursday, January 01, 2009 12:21 PM
To: Elecraft Reflector
Subject: Re: [Elecraft] K3 - INRAD Filter Sale

Is it better to buy filters from Elecraft, or is INRAD just
as good? I think I remember seeing hints in the past that
Elecraft was hand-picking some of the filters for low IMD
specs, especially the 1.8, which received some negative
comments in the most recent QST review.

Dave Hachadorian, K6LL
Yuma, AZ

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Re: [Elecraft] Flaw in the 1.8khz roofing filter

[Dave Hachadorian]

I raised that question way back in January, purely in
response to the ARRL Review.

Since then I have bought two 1.8 KHz filters from Elecraft,
one for each of my K3's. Those filters perform very well in
contest service, with surprisingly good intelligibility.
Those are the filters I use all the time now on SSB.

Dave Hachadorian, K6LL
Yuma, AZ



- Original Message - 
From: "Robert Wood" 
To: 
Sent: Friday, October 16, 2009 4:39 AM
Subject: [Elecraft] Flaw in the 1.8khz roofing filter


> K6LL mentions the negative comment (performance) of the
> 1.8khz filter
> documented in the QST review.   Has this been resolved?
> Any update?
>
> (If you read the QST review and the note on the 1.8
> filter - nobody would
> buy one, the 2.8 yes - it out performed the 1.8)
>
> and does it matter if I buy it from Inrad or Elecraft -
> wouldn't it have
> the problem either way?
>
> 73 Robert
>
>
> List:   elecraft
> Subject:RE: [Elecraft] K3 - INRAD Filter Sale
> From:   "Jim" 
> Date:   2009-01-01 17:34:31
> Message-ID: BF12FB7816D2461DB5BB8ADB31AE54F2 () JimPC
> [Download message RAW]
>
> This was the exact statement in the QST review,
> "Elecraft reported that they are working on developing an
> improved
> selection
> process." I wouldn't read in that they are hand picking.
> If they are I
> would
> like a confirmation.
>
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
> Dave Hachadorian
> Sent: Thursday, January 01, 2009 12:21 PM
> To: Elecraft Reflector
> Subject: Re: [Elecraft] K3 - INRAD Filter Sale
>
> Is it better to buy filters from Elecraft, or is INRAD
> just
> as good? I think I remember seeing hints in the past that
> Elecraft was hand-picking some of the filters for low IMD
> specs, especially the 1.8, which received some negative
> comments in the most recent QST review.
>
> Dave Hachadorian, K6LL
> Yuma, AZ
>
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Re: [Elecraft] K3 - KDVR

[Luis V. Romero]

Dave:

If you are messing with Windows Audio, through a computer's "general use"
sound card, I can agree with you.  Windows often changes settings as you
open and close multiple programs.

However, since I plug the mic into the MicroKeyer directly and its internal
sound card is passing both my live audio and my recorded audio, that is
recorded through that same sound card with the identical settings, PRE AIR
PROCESSING, there is absolutely no difference as long as my voice stays
fresh (which it doesn't, but that's a wetware issue, not a hardware or
software issue).

Granted, you do have to do a bit of "setup" before hand to make sure the
levels are correct (what you call "different without adjusting".  I
adjust!).  I do this ahead of time and lock the settings.  And once I do
this, I don't mess with them again.  I am then guaranteed the same
consistent levels upon subsequent recordings "on the fly" through Logger's
facilities.

I do trim my recordings for canned messages at times as well, especially
numbers and letters, using NCH WavePad.  However, I record the raw mic
signal through the MK2 into the computer and NEVER apply any processing at
all at this point.  The rig's processor and EQ will then handle both my live
audio and my canned audio with the same processing, making them as near
identical as the sampling rate will allow (I am a "audio dweeb".  I hear the
quantizing, but I can rationalize the bit rate!)  This even worked with my
original MK, using a Delta 44 sound card in the computer (NOT the crappy one
on the motherboard or a $19 Geeks.com special).

I most certainly do listen to on air signals with my secondary TS-570
transceiver during setup over RF, although now, with the K3 rather than my
previous TS-850, the local monitor with TX off is pretty darn accurate, in
my humble opinion.

I made my living for over 30 years making sure quality sound and picture was
transmitted over RF and I always made my MCR operators and production audio
ops mix to the off air signal after processing for best accuracy.  So I
understand the issues.

My recordings sound really really close to my live voice (at the start of
the test when its fresh, not after 46 hours of saying "Five Nine Zero Five"
a thousand times, though!) because I put the work in ahead of time to make
sure that they do and leave the settings alone.  Other ops mileage,
especially the incessant tweakers, may vary.

-lu-W4LT-

Message: 19
Date: Thu, 15 Oct 2009 13:13:31 -0700
From: David Gilbert 
Subject: Re: [Elecraft] K3 - KDVR
To: elecraft@mailman.qth.net
Message-ID: <4ad7826b.8040...@cis-broadband.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed


That's simply not true.  There are all sorts of settings that can make 
audio sound differently going through the sound card one way versus 
another.  I check my on-the-air signals and they are typically different 
without some adjusting.  Other contesters do the same editing that I do 
to get their recordings to sound the same as their mic voice.  Ask 
around ... you'll see.  I suspect you've never checked your transmitted 
signal with a different receiver to make sure.  I do. 

Maybe your recordings always sound the same as your mic voice, but there 
is nothing that says that will be the case in general.

Dave   AB7E






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Re: [Elecraft] Flaw in the 1.8 kHz roofing filter

[Fred Atchley]

At the recent Santa Barbara Hamfest, Eric addressed a problem with the early
filters in the K3. 

The frequency would change unexpectedly. Eventually the problem was solved
by cleaning. 

It was found that particles left over from the crystal manufacturing were
modifying the freq.

Inrad is just down the street from Elecraft and together they resolved the
issue.

 

I use the 1.8 in my K3 (#2241) with great results.

 

73, Fred AE6IC 

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