Jeff, caution. Laptop power external supplies are designed to be followed
by precision internal regulators that handle the logic voltages and charging
the battery. The external supplies are not well regulated and can be quite
noisy. They may not be the best supplies for ham rigs.
73
Fred, AE6QL
I wonder if any of you have experience with R0DE PROCASTER microphone attached
on K3?
All comments are welcome!
E72X
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Hello Thomas,
where can i find the KX3 group you mentioned?
Regards
Mathias
HB9DOU
2012/9/18 Thomas Horsten tho...@horsten.com
Hi Robert,
I posted two updates, one just after I got the KXPD3 upgrade kit and
another after I'd used it for a couple of days. These were posted on the
KX3
At http://groups.yahoo.com/group/KX3/
P.S. you don't need to create a Yahoo account for this. You can use
your google account (if you already have one) using OpenID. Check for
that button on the Yahoo login page. Yahoo accounts get regularly
broken in, so better avoid them ...
Holger, DH3HS
Hi Mathias,
The group homepage is here: http://groups.yahoo.com/group/KX3/
73, Thomas M0TRN
On 18 September 2012 10:27, Mathias Krüger mathias.krue...@sunrise.chwrote:
Hello Thomas,
where can i find the KX3 group you mentioned?
Regards
Mathias
HB9DOU
2012/9/18 Thomas Horsten
Interesting question. While not a phone man myself, I do remember hearing a
chap on 10-meters while commuting home who was using that particular mic. He
sounded as if he were in the passenger seat next to me. I'm not sure how
much of that was the mic's actual sound reproduction /or EQ
Yes , correct , laptop supplies are often RF noisy.
Sent from my iPhone 4
Fred Townsend ftowns...@sbcglobal.net 於 2012年9月18日 下午2:04 寫道：
Jeff, caution. Laptop power external supplies are designed to be followed
by precision internal regulators that handle the logic voltages and charging
the
E72X wrote
I wonder if any of you have experience with R0DE PROCASTER microphone
attached on K3?
I use the Rode Procaster, but I feed it through an Aphex 230. The Procaster
is a superb microphone, but I've honestly not tried connecting it directly
to a radio.
73,
Barry N1EU
--
View this
On 09/18/2012 01:44 PM, Johnny wrote:
Yes , correct , laptop supplies are often RF noisy.
Any particular laptop and laptop supply brands favoured by dxpeditions?
Jon LA4RT
Sent from my iPhone 4
Fred Townsend ftowns...@sbcglobal.net 於 2012年9月18日 下午2:04 寫道：
Jeff, caution. Laptop power
What are the best starting points for the cw and ssb receive eq settings on
the K3?
--
View this message in context:
http://elecraft.365791.n2.nabble.com/K3-EQ-settings-tp7562897.html
Sent from the Elecraft mailing list archive at Nabble.com.
I'm sure this question has been asked a ton.
It seems that the noise floor on 40 meters is much greater than on the
higher bands for my K2.
I'm guessing this is just the characteristic of 40 meters.
But I thought I would post the question anyway.
Thanks
N1BBR :)
--
bw...@fastmail.net
Thinkpad used on T32C and others.
David
G3UNA
- Original Message -
From: Jon K Hellan hel...@acm.org
To: elecraft@mailman.qth.net
Sent: Tuesday, September 18, 2012 11:56 AM
Subject: Re: [Elecraft] laptop power supply to power KX3
On 09/18/2012 01:44 PM, Johnny wrote:
Yes , correct
Yes, that is true. Turn the preamp off for all bands below 20 meters
and your ears will be more comfortable and you will hear signals just as
well.
73,
Don W3FPR
On 9/18/2012 8:45 AM, dw wrote:
I'm sure this question has been asked a ton.
It seems that the noise floor on 40 meters is much
Flat.
The primary purpose of the receive equalizer is to compensate for uneven
frequency response in the receiver speakers, headphones, or listener's ears.
It does not add additional selectivity.
Also, I suggest if you are using it in CW that you leave the response at
or near your preferred
I have for sale my AIM4170 antenna analyzer SN 3049. I purchased this new in
2007 and it is in perfect working condition. This has been one of my best ever
purchases and has been invaluable for both antenna and lab measurements. Am
cleaning out the lab and shack in preparation for a move, so
I have for sale three Mini-modules. I built each of them and they are all in
perfect condition. Closing down the shack and lab here in preparation for a
move, so its time to do some major cleaning. Purchase includes all
documentation as well as USPS Priority Mail shipping to your USA QTH.
How do Elecraft users feel about the possible addition of a
high-quality DC power supply that matches both the physical dimensions and
veneer of the existing K-Line? The power
supply could even be sized to set above/below the new KAT500 and should, IMHO,
have multiple DC outlets such as
Any date for the P3 software release to use the USB key board with digital
modes?
Frank. K4WFM
Sent from my mobile phone
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Help:
I think that is a great idea. My current power supply been around a while and
is Noisy.
73 Paul
kc2nyu
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Post:
Hi Frank,
We're in final beta now, so it shouldn't be much longer. If you'd like to
download this beta and try it out, it can be found HERE
ftp://ftp.elecraft.com/P3/firmware/beta/Be sure to read the included
PDF file for instructions.
73,
Paul
--
View this message in context:
I was wondering if anyone is aware of any software for adjusting Config and
regular menu items on the K3? Or is anyone developing any? Also is anyone
developing any frig control software for the K3 (rather than general purpose
software like HRD or N4PY). HRD is pretty good, but since being
On 9/18/2012 1:56 AM, Gordan Hribar wrote:
I wonder if any of you have experience with R0DE PROCASTER microphone
attached on K3?
It should work, but why would you want to spend this much for a ham
mic? This mic is a cosmetic copy of the very excellent ElectroVoice
RE20, but without the
Michael
Are you running the latest version of HRD?
It is stable and getting better.
On Sep 18, 2012 11:43 AM, Michael Marx sndtu...@vacuumtubes.com wrote:
I was wondering if anyone is aware of any software for adjusting Config
and regular menu items on the K3? Or is anyone developing any?
Depending on cost, I'd bite, and it would be a nice addition to the K-line. I
have picked through several switchers, none of which were dead RF quiet. I
ended up defaulting to my Xantrex HPD 30-10 lab supply, which is a hybrid
switching front-end/linear tracking output regulator. It is dead
That seems a good idea except for two reasons:
1. It wouldn't work for me unless it could handle 100 amps. I have
2m and 70cm RF amps that require 50 or 60 amps and I have just about
finished replacing all of my 12v wall warts with a buss that runs
them with power from that same 13.8v PS that
Don't think we need Elecraft to build us a power supply. It's a pretty low tech
endeavor and the supply market is infinite. It makes the same sense as me going
into the car biz!
Bill N2WL
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I normally don't enter into these conversations, but I will this time. I have
found the perfect solution for me. I do a lot of building of Elecraft kits.
The amplifier for a K2 requires two power supplies in the testing stage. I
have two Astron VS-35M supplies. Between them I have enough
That what was thinking.. even Simon said our latest version of HRD was more
stable than any of our HRD version.
Eric has a K3 on the way to me this week, you'll see LOTS of good stuff for
V6 .
We've only fixed 30,000 minor bugs and 1,000 major bugs guess that's not
enough grin
A lot of
Let me restate that, he said it was the most stable version ever.. :)
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rick Ruhl
Sent: Tuesday, September 18, 2012 1:24 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft]
I have HRD running my K2, K3, and my KX3. I have Windows 7, and XP running
them. Make sure all the settings are correct and this is by far IMHO the
best suite of software for digital modes.
Gerald- KC6CNN
On Sep 18, 2012 12:32 PM, Rick Ruhl ric...@w4pcsoftware.com wrote:
Let me restate that, he
What I would like to see empty K3 matching box and maybe a W2 matching box.
Then we could build whatever we wanted in them.
On Tue, Sep 18, 2012 at 12:17 PM, Alan Price w1...@arrl.net wrote:
I normally don't enter into these conversations, but I will this time. I
have found the perfect
Stan,
Thanks for your diligence, your enthusiasm and service.
Enjoy the experiences (KX-3, DE-776, and Begali paddles).
73
Tom/CX7TT
Capt USN-RET
FLY NAVY!
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Just a comment and a question.
I take care of our club's repeaters. One of the power supplies failed this
weekend. I watched as smoke came out of it. It is 20+ years old. Here is
the comment; make sure the fuse on the primary is properly matched, even if
you choose to go lighter. (It's not
After doing downloads with no problems for four years I'm now running into a
problem. Using K3 utility v 1.12.3.28 the utility won't hold a connection to
the K3. No matter what the connection speed, the connection is interrupted.
Sometimes it gets as far as showing which version of the MCU
If you're using the P3, try bypassing it by going directly from the PC to the
K3.
Matt Zilmer
Consultant - Product Management Dept.
Magellan Navigation / MiTAC Digital Corp.
Tel: (909) 394-6052
Cell: (909) 730-6552
In status quo voluntas non sufficit
-Original Message-
From:
For sale a complete unbuilt kit of the EA3BLQ (sk) Digital interface for
the K2. This is V.III of the K2DI and the K2DI-PCI.
The details of the kit are at http://www.qsl.net/ea3blq/k2di_pci_tec_ang.htm
The manual is at
http://www.qsl.net/ea3blq/downloads/k2di-pci_const_manual.pdf
I bought
Sounds like a flakey connection of some sort. RS-232 connector jack screws
reasonably tight? Anything moved lately? Can you simplify the cable path
from PC to K3 by (temporarily) removing any USB hubs, extension codes, P3s
etc and connect the USB to Serial adapter directly to the K3.
If it's
Hello all;
I have a fully loaded K 2/100 now and I am looking to continue to build my
Elecraft line
has anyone used a KAP 500 with a K2/100??
If so what luck have you had?
Thanks 73, Bill W0WFH
Linn, Mo.
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MFJ-259B antenna analyzer for sale. Excellent, working condition. HF
through 180 MHz. Includes an AC adapter, as well.
New price is $289.95.
Optional Pelican 1200 hard-sided case can be added for $32 (retails for ~$40).
MFJ-259B only is $240.00
MFJ-259B + Pelican 1200 case is $272.00
Buyer to
The Pace ST-75 De-soldering station and accessories has been SOLD.
Thank you for queries and interest.
Greg
w9gb
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“...It seems to me that a versatile fused crowbar circuit would be good.Has
anybody been there and done that? Maybe someone sells one”
See the Voltage Protector article in the “Articles” section of my website at
www.ad5x.com.
Phil – AD5X
In my opinion, power supplies should be relegated to something like the
AC receptacle on the wall or the 12 volt battery under the hood of an
automobile. It should do its thing, but not be obvious. IMHO the place
for a power supply is on the floor under the operating desk (or
workbench). No
After sending my note about using the little MFJ power supply at 2.89 amps, I
realized that it works fine on my FT-817D at 5 watts but would obviously be
taxed at the full 12 watts of the KX3. So fuggetabowdit.
Now I'M looking for a sufficient supply for the KX3 ;-)
Bill
WK6A
Sent from my
I do not think it is in the best interests of Elecraft to attempt a
power supply design given that it would require UL compliance
certification (as well as other countries certification) which can be
an expensive process for a power supply that would likely have a
volume of less than 10,000
I guess it depends upon which Astron model you are working with. I've worked
with a great many RS and RM Astron supplies in Ham and Commercial systems
over the years and have never encountered one that made more than a very,
very quiet hum.
I'm not sure what you mean about the regulator not
Bill,
I would suggest an Astron 20 amp supply (or even the 35 amp linear).
Yes, it is overkill for the 12 watt KX3, but that is no problem, the
current will not exceed what the connected device (the KX3) needs even
though the supply is capable of much more current. When you also have
the
I'd like to second Don's comments. Often the difference between a noisy power
supply and a quiet one is the separation of only a few feet. The idea place for
the supply is on the floor away from the receiver and freeing desktop space. I
have mine paralleled with a storage battery too. That
Like the Elecraft P3, I would be lost w/o the AIM 4170. Had one for a number
of years. It does what it says and more. The TDR function is useful also.
Great technical support.
-
Roger W5RDW
--
View this message in context:
On Tue, 2012-09-18 at 14:14 -0700, Ron D'Eau Claire wrote:
...
I'm not sure what you mean about the regulator not being quiet. The LM723
is a simple linear I.C.; no switching noise and no acoustical noise.
...
It's true that the 723 is a really ancient IC - it was designed back in
the 70's I
I for one would like to see Elecraft produce a power supply optimized for
the K3 and matching Elecraft accessories. For years I owned a Kenwood PS-50
power supply and regretted selling it a few years ago. It was rock solid
and absolutely quite and yet matched my TS850S. I currently own two
I actually have a 20-amp Astron, as well as a 20-amp Icom supply, but I was
hoping for something in the middle. If I were just going to consider using only
the KX3 i suppose a 6-7 Amp supply would do the trick, and I would think it
might be no bigger than the KX3 itself, no?
Bill
WK6A
Sent
Regarding the certifications for mains power equipment running off of various
mains circuits in various countries, don't forget that Elecraft has already
done that with the KPA500.
73 Ron AC7AC
-Original Message-
...Don mentioned certifications for each country. Don't forget the
I've fixed two Astrons for friends. One had a burned-out IC and the
other had a damaged board where the capacitor mounting screws had
loosened and generated heat. Both failed without producing overvoltage.
I have one that I've been using for perhaps 15 years with no problems.
On 9/18/12 2:14
The Astron supplies usually have a crowbar on the output which shorts the
output if the voltage rises above 15 Volts.
Sent from my iPad
On Sep 18, 2012, at 5:51 PM, Vic, K2VCO k2vco@gmail.com wrote:
I've fixed two Astrons for friends. One had a burned-out IC and the
other had a damaged
Bill,
If it sits on the floor, what is the problem. No meters in your face,
just good DC power provided to the rigrunner. The fuse sets the current
supplied to the transceiver. The KX3 will only draw 3 amps on transmit
at full power. The maximum current available from the power supply has
I will get it right this time. Sorry
I have a loaded K2/100 and my next Elecraft
project I would like it to be the KPA500 amplifier.
Has anyone used them together?? If so
how it work out?
I will get a K3 one day but now I can only
afford the K2/100.
Thanks 73
Bill W0WFH
Linn, Mo.
I have for sale my K1-2 w/KAT1 and backlight mod, all works as it
should and is in mint condition short of a small scratch on the tuning
knob. Used it twice from my desk, needs a good home where it will get
used. Have all manuals etc.
serial no 02044
Pics available on request, would like $350
“After sending my note about using the little MFJ power supply at 2.89 amps,
I realized that it works fine on my FT-817D at 5 watts but would obviously
be taxed at the full 12 watts of the KX3. So fuggetabowdit.”
The MFJ supply will power the KX3 just fine at 10 watts. The KX3 draws
about
Hi,
I completed my KX3 #1715 few days ago and today I went to the park and using a
Buddipole I tried to make some contacts. Buddipole swr was 1.4 on 20m so I used
the ATU. It worked fine lowered the swr to 1.0 but then I transmitted I still
could read a 1.4 swr. I moved up and down the band
Have you looked at DX Labs Commander? The macro capabilities let you adjust
pretty much anything that can be set in the K3 via software control. You
need to do the customization by developing the macro's, but the end results
are very good. I run the K3/P3 completely from the keyboard and the
When in AZ, I run the KX3 with a 3 Amp RS supply.
I have seen no problems with it.
At one time I had 4 or 5 of these little supplies but down to 2 or 3
now. gave the others away!
I bought them several years ago and have used them for many items, including
my NorCal 40a, a couple of the
I'm in the process of setting up a remote K3 Twin Station, and
am having a few minor problems. I'm addressing this to the
Elecraft reflector as I think the problems are correctable thru
the K3 setup.
1. Is there a software command that will put the Control K3
into Terminal mode? I know I can do
The specs say the KX3 current draw is typically one to two amps when
transmitting, so your 2.89 amp PS should do fine.
Dave, K9SW
On Sep 18, 2012, at 3:53 PM, Bill Tubbs cgpi...@yahoo.com wrote:
After sending my note about using the little MFJ power supply at 2.89 amps, I
realized that
Lucia,
You say that you had an SWR of 1.4, then used the ATU which lowered the
SWR to 1.0
OK, That was on the KX3 display.
Please tell us where you were reading the continued 1.4 SWR. The KX3
display does not show the SWR during transmit - only during a TUNE.
The SWR shown externally to the
On 19/09/2012, at 9:08 AM, Don Wilhelm w3...@embarqmail.com wrote:
I detect that there are many monitoring this thread who do not
understand the voltage, current. power relationship as it relates to
DC.
Perhaps these links will help those people:
Hi Don, I read the 1.4 SWR on my MFJ 259b then tuned with the KX3 atu to 1.0
On transmitting the swr graph showed peaks near to 2 and if I press the XMIT
(tune) the reading is about 1.4 same as without ATU.
Luca
On Sep 18, 2012, at 7:12 PM, Don Wilhelm w3...@embarqmail.com wrote:
Lucia,
What setting did you use for the ACC2 output to connect to the amp?
TX-Low? (ground to key amp?)
I have been meaning to try it with my Acom 1011 amp as that is also a TX Low
setting here at the home QTH in Dallas.
I am buying a friends HL-200BDX that's sitting in his closet in the Bay Area to
Lucia,
Is your KX3 menu parameter for the ATU MD set to AUTO If not, the
results may be as you have experienced.
73,
Don W3FPR
On 9/18/2012 10:36 PM, luca de marinis wrote:
Hi Don, I read the 1.4 SWR on my MFJ 259b then tuned with the KX3 atu to 1.0
On transmitting the swr graph showed
Lucia,
The Elecraft tuner (I don't care if it is a KAT2, KAT1, KXT1 o KXAT3)
cannot change the the SWR of the antenna itself. The ATU will tune the
antenna to an acceptable SWR so the PA transistor in the transceiver
are happy. If you measure the SWR between the Tuner and the antenna,
you
Hi Don, yes I agree with you that if I measure the swr between the radio and
the antenna I will have the same value I measured with the antenna analyzer.
The Automatic Tuner is installed and the mane ATU MD on AUTO
My point is:
Why do I read ON THE KX3 swr GRAPH a peak value close to 2.0 when
By SWR graph, you mean the bar graph on the display of the KX3, right? If so,
are you sure it is set to measure VSWR rather than compression?
If you have initiated a tuning cycle with the KXAT3, and subsequently hold the
XMIT/TUNE button, and the radio reports a VSWR of 1.4, then this means
Thank you Matt,
By SWR graph, you mean the bar graph on the display of the KX3, right? If
so, are you sure it is set to measure VSWR rather than compression?
No, I read it on the SWR of course.
If you have initiated a tuning cycle with the KXAT3, and subsequently hold
the XMIT/TUNE
Don, When you say The ATU will tune the antenna to an acceptable SWR, you
are contradicting yourself, because as you rightly said the tuner does not
change the antenna feedpoint swr.
So we tune the transceiver to the feedline length feeding the antenna. that
feedline length is important
On 19/09/2012, at 2:47 PM, luca de marinis surfs...@gmail.com wrote:
If you have initiated a tuning cycle with the KXAT3, and subsequently hold
the XMIT/TUNE button, and the radio reports a VSWR of 1.4, then this means
that the KXAT3 has not matched the impedance of the antenna system. This
On Sep 18, 2012, at 10:00 PM, Matt Maguire vk2...@gmail.com wrote:
On 19/09/2012, at 2:47 PM, luca de marinis surfs...@gmail.com wrote:
If you have initiated a tuning cycle with the KXAT3, and subsequently hold
the XMIT/TUNE button, and the radio reports a VSWR of 1.4, then this means
Yeah, I spoke before doing the math. As Don said, the math is simple. P=EI. Or,
I=P/E. So, I don't know what the KX3 input is but if we say it's 20 watts,
20/12=1.67 amps. Clearly the MFJ should handle the KX3 at full power, at least
for non-data modes. Thanks for shaking my cobwebs loose!
On 19/09/2012, at 2:48 PM, vk4tux vk4...@bigpond.com wrote:
Don, When you say The ATU will tune the antenna to an acceptable SWR, you
are contradicting yourself, because as you rightly said the tuner does not
change the antenna feedpoint swr.
It is clear from the context that Don meant the
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