for
a vertical? ...robert
On 10/18/2014 14:55, Vic Rosenthal K2VCO/4X6GP wrote:
I put up an R8 vertical on a small building (containing my shack)
that sits on the roof.
-- Robert G Strickland, PhD ABPH - KE2WY rc...@verizon.net.usa
Syracuse, New York, USA
--
Vic
--
73,
Vic, K2VCO/4X6GP
Various kinds of 'junk' on the screen have been reported to be caused by
coax jumpers with poor shield contact at one or both ends. Try another
cable if you haven't already.
On 20 Oct 2014 17:08, jsdroys...@nc.rr.com wrote:
Hello all, I am trying to figure out why our P3 panadapter sometimes
set of guys.
On 20 Oct 2014 05:28, Robert G Strickland wrote:
Vic...
Any thoughts on choosing the Cushcraft over the Hy-Gain for a vertical?
...robert
On 10/18/2014 14:55, Vic Rosenthal K2VCO/4X6GP wrote:
I put up an R8 vertical on a small building (containing my shack) that
sits on the roof
I have an apartment on the top floor of a 10-story building with a small
roof area accessible and restrictions on antenna size. I asked for
advice here about antennas, and got a lot of suggestions and help, so I
thought I would post my results.
I put up an R8 vertical on a small building
Since getting on the air from Israel I notice an interesting noise on
the bands 7 and 10 mHz and to a lesser extent on 14 mHz. It is a
wideband 'schmutz' (technical term) which can take from 10 to 50 or 100
kHz. Its amplitude drops of gradually as you move away from the center.
It reaches S9
Thanks to all who responded. The Chinese radar seems to fit what I hear
best. I'll try to null it with my Pixel Loop (which, by the way, is a
great, quiet receive-only antenna:
http://pixel-antennas.com/?page_id=31)
On 12 Oct 2014 21:23, Merv Schweigert wrote:
There is Chinese Hainan Island
I am pretty sure that there is no way to tell the K3 to bypass or enable
the ATU in a macro command except by simulating the button press. Am I
correct?
What I want to do is make my amplifier on and amplifier off macros
bypass the ATU when the amp is on but enable it when the K3 is directly
Did you check D9 and other components on the RF board that provide the
VRFDET signal?
How did you check VRFDET, VALC, and VPWR on the control board if the
transmit power is unstable?
On 10/5/2014 08:28, KY7K wrote:
I recently purchased a used K2 (Rev A) from a club that was not
working
Also, what about the power control pot itself?
On 10/5/2014 08:36, KY7K wrote:
I forgot to mention that all testing is into a known good DL1 dummy
load that I’m also using for my external power readings.
Any wise insights are most welcome!
Steve - KY7K k...@arrl.net Get OUT and play radio!
I think you should go over all the solder joints on the control board.
Just heat them up and apply a tiny bit of solder. Wait till it flows. It
is not a good solution to leave out the screws, because oxidation may
ultimately make the bad solder joints fail even when the board is not
stressed.
I've been quiet lately, working on getting back on the air at my new
QTH. But I am thinking about the future.
The K3 is still a great transceiver. For my purposes, there is nothing
better out there for a reasonable price. But the competition isn't
sitting still. And as everybody knows, there
on.
My station is set up and my license renewed, but the bureaucracy is
grinding very slowly on the non-ionizing radiation permit that I need
to put up my antenna.
On 9/21/2014 10:49 AM, Jim Brown wrote:
On Sat,9/20/2014 11:34 PM, Vic Rosenthal K2VCO wrote:
The K3 is still a great transceiver
Non-ionizing radiation is electromagnetic radiation, like HF - UHF radio
waves, that doesn't have enough energy to knock electrons off of atoms.
X-rays, Gamma rays, ultraviolet light, etc., is ionizing radiation. We
know ionizing radiation can be dangerous.
Some people think that non-ionizing
Thank to everyone who responded to my cry for help after I damaged my
computer PS. I replaced the MOVs and the fuse and it works!
I do not recommend running 120v equipment on 240v in general!
On 9/9/2014 12:38 PM, george fritkin via Elecraft wrote:
There is nothing mechanical about a ZNR. The
In my case, it's what's under the hat that needs new firmware.
On 6/8/2014 7:42 PM, Wayne Burdick wrote:
And if your hat ever needs new firmware, it'll be free.
Wayne
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
__
Is this connected to what a previous poster called a rocket lunch?
On 5/28/2014 3:46 PM, Bruce Beford wrote:
I believe any liquid or semi-liquid, in this context would qualify.
Grant Youngman n...@tx.rr.com wrote:
Is coffee, in this context, considered a condiment?
Sent from my iPhone
-
Cute. Reminds of some of the custom cars we see around here. Kustom K2
-- could be a trend.
On 5/26/2014 6:48 PM, John Cooper wrote:
My k2 already had the five keycap leds for xit rit split, zerobeat, transmit,
audio filter and Recieve antenna. Now I've gone and added some leds to the
I use lightning protection devices formerly made by ICE, which are very
effective for any kind of static discharge. They are now produced and
sold by Array Solutions. You can see a picture and schematic here:
http://www.arraysolutions.com/Products/surge_arrestorAS-3xx.htm
On 5/21/2014 10:19
Make sure to check diodes D16 and D17 -- they can be damaged by static
discharges and cause this. There is no firmware power calibration.
On 5/18/2014 4:40 AM, Richard wrote:
A fellow ham is having the following problem withhis K2:
A year ago, we installed the KPA100 which worked fine until
A reminder: Elecraft warned that the preamp in the P3 is sensitive to
static discharges, so be very careful connecting/disconnecting the P3 to
external antennas.
On 5/17/2014 4:47 PM, Jim Miller wrote:
I've pulled my P3 out of my setup to try and go searching for sources of
160/80m RFI.
I
Not to overdo my posting privilege, but I have something that might be
of interest for sale: An old Johnson 275-watt Matchbox, which is a
link-coupled balanced tuner for 80-10 meters (although WARC bands do not
appear on the bandswitch, it usually works on 30-17-12 when set to an
adjacent
On Mon, May 12, 2014 at 2:49 PM, Vic Rosenthal K2VCO
k2vco@gmail.com mailto:k2vco@gmail.com wrote:
My K3 was originally set up this way, 400 Hz in the main and 2.8 kHz
in the sub.
When working DX pileups with the main on the DX and the sub on the
pileup, I definitely
The diode is probably not defective (although the soldering is). Unless
your DVM measures the forward voltage drop of the diode, resistance
readings in the forward direction are probably unreliable.
I would just resolder it and see if it works!
On 5/12/2014 10:58 AM, Poul Erik Karlshøj (PKA)
My K3 was originally set up this way, 400 Hz in the main and 2.8 kHz in
the sub.
When working DX pileups with the main on the DX and the sub on the
pileup, I definitely noticed the 'pumping' effect on the sub only. It
was sometimes annoying when the DX was working a weak caller and the
usual
Well, I see how his dipole might be presenting an extreme value of
impedance on 20, depending on the length and impedance of the line.
But why is his dummy load weird only on 20M? That's a puzzle -- and it
needs to be solved first.
On 5/6/2014 6:31 PM, Phil Wheeler wrote:
Not an Elecraft
It appears to me that no-radial verticals are also OCF dipoles,
vertically oriented. In my new QTH I will be limited to a vertical, and
I chose a Cushcraft (well, MFJ now) R8. It has a built-in 'balun' --
that is, a choke -- but I am taking no chances and have prepared another
choke that I
Are you sure it is coming from the K3 speaker and not from speakers on a
computer that is connected to the K3 line out output?
On 4/30/2014 8:55 AM, Graham Pemberton G7NEH wrote:
Hi all,
After working perfectly for awhile my K3 has developed the following
problem, when I key the mike and
And I have never seen the point of JT-anything or indeed any digital
mode except CW. But I understand that ham radio is many things to many
people, and think we should respect that.
On 4/30/2014 9:18 AM, Harry Yingst via Elecraft wrote:
I have to fully agree, personally I have never seen the
I think we should all keep this in mind in case we encounter giant ants
while operating. Possibly on Field Day?
On 4/30/2014 2:27 PM, Phil Hystad wrote:
The phrase Over and Out was a key part of the brief training
lessons for the young female scientist near the beginning of the
movie Them!.
I've found that the neatest way to do this is to use a motor tool (in
the US it's a 'Dremel tool') with a conical grinding cylinder.
On 4/30/2014 12:57 PM, Don Wilhelm wrote:
Dave,
Look at that area very carefully using a light held at an oblique angle.
The masking tape may be there, but
Try a different RG58/u cable. Make sure the shield is continuous.
On 4/29/2014 2:45 PM, Phil Wheeler wrote:
In all modes or only in particular modes, Ron?
73 Phil w7ox
On 4/29/14, 2:00 PM, KM4VX wrote:
I have noticed that my P3 displays a solid carrier 6khz below the
frequency
to which I am
'Bandwidth' is measured by specifying some number of dB that a signal is
down at a particular offset from the center frequency. A measurement in
Hz alone is therefore meaningless.
I suspect that the number of dB needed to make the waterfall display of
a signal disappear depends on various
Very interesting. I didn't have a lot of noise to try it with (my
antennas have been taken down in preparation for a move, so I just stuck
a wire in the K3 antenna jack), but I think it's going to be a help.
Two things that would make this more useful:
1) SVGA support
2) Have it turn on
1) I can't answer the question about power, but it's easy enough to try
it and see.
2) 40M should work for this application. Frequencies depend on local
practice, QRM, etc.
3) You need a horizontal antenna for this mode, so a Buddipole would
have to be configured that way. But I think --
Make sure that you are using headphones ONLY (the speaker + phones menu
entry must be off)!
On 4/19/2014 8:59 AM, David Cole wrote:
Hi,
New K3 owner here...
I have looked in the KE7X book, and can not find the answer to two
questions...
1. When in transmit using SSB, I am getting some sort
(as I have) or if he uses
a foot switch, then, yes, he will not notice the problem.
On 4/12/2014 8:39 PM, Fred Jensen wrote:
I would normally top-post but hard in this case ...
On 4/12/2014 7:48 PM, Vic Rosenthal K2VCO wrote:
I don't agree. With ORQ off, once you exceed about 35 wpm
Yes, it is heard on the sidetone. You may or may not detect it at 30
wpm, but you definitely will at 35. The sidetone is a close
representation of the signal as sent.
At slower speeds, QRQ mode also makes full QSK sound 'cleaner', but I
don't think that there is any detectable effect on the
Could the core be cracked?
On 4/13/2014 11:45 AM, TheMG . wrote:
Starting to look like L33 might be defective? Still puzzling why
giving it a small nudge would cause it to behave temporarily again.
I'm not even touching the windings just gently pressing down a bit on
the part of the core that
I don't agree. With ORQ off, once you exceed about 35 wpm it is not OK
with TX DELAY at 8 ms either. I'm not a perfectionist, it sounds awful.
Brian is correct that it doesn't matter whether you are using the
internal keyer or an external paddle or keyboard, as long as you are
using either
Not to mention that the other guy laughs when you give him a signal
report of 5NN on RTTY.
On 4/6/2014 10:27 AM, Joe Subich, W4TV wrote:
There are very few users who can consistently send one character every
160 ms on keyer paddles and that's what it takes to generate clean,
properly timed
I too am an 'old' K3 owner (in more than one sense). I have K3 #0007.
Yes, /seven/. I was one of the incredibly lucky members of a focus group
when the K3 was still in prototype form.
I love my K3 as much as anyone can 'love' a radio. But I agree with
Dave, Joe and Ian that the K3 still has
What -- they implemented this first on the KX3 and not the K3? I
remember discussing this in the FT days of the K3! Come on, guys...
On 4/2/2014 9:59 AM, Chris G7DDN wrote:
Apologies if this has been mentioned before...
One of the things I _/really/_ love about the KX3 is the stereo panning
I've always been able to eliminate RFI in amplified computer speakers by
wrapping as many turns as I can get of the audio and power leads around
ferrite toroids.
The problem I've had is that they sound awful, especially with CW. They
tend to buzz at particular frequencies. Maybe I've just had
It's not hard, but be careful plugging in the small coax cables. If they
seem to require a lot of force, you may not have aligned the center pin
with the contact in the jack on the KRX3 board. Too much force can
damage the jack or the board.
On 3/27/2014 5:23 PM, Charles Tropp wrote:
Hi
I have one too, and it is great. It heats up almost instantly. And I
recently had a very pleasant experience dealing with the importer,
American Hakko, who got me a 230v transformer for it from Japan.
On 3/25/2014 9:38 AM, Josh Fiden wrote:
I use Hakko FX-951 in a production environment. This
As Don suggests, the problem can be anywhere in the antenna system, and
in my experience it is much more likely to be a connector than the K3.
I once had a similar problem that drove me nuts until I discovered a
corroded solder joint INSIDE an encapsulated balun.
A film of oxide on a poor
This is what I've learned to do. The only problem is that once you enter
this mode, if you want to fool with selectivity, APF, shift, etc. to
hear the DX better, you must press BSET first.
On 3/19/2014 6:42 AM, Peter Wollan wrote:
Another thought how about putting the magenta marker on
.
73 from Ian GM3SEK
-Original Message-
From: elecraft-boun...@mailman.qth.net [mailto:elecraft-
boun...@mailman.qth.net] On Behalf Of Vic Rosenthal K2VCO
Sent: 19 March 2014 14:26
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] P3 marker B transmit freq.
This is what I've learned
You probably have your contest program set up to assert PTT. There will
be a connection from the computer to the PTT jack on the rig (K3?).
Either unplug it or tell your contest program not to assert PTT.
On 3/18/2014 7:33 AM, Tom Fitzpatrick wrote:
I noticed during a recent CW contest that
This isn't a problem with the KX3's SWR detection circuitry. If it is
detecting a high SWR, it's because the KX3 is producing RF output before
the t/r relay has closed and the relay is hot-switching. The SWR
detection is doing its job and protecting the KX3 and the amplifier!
The solution is
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My thought is that connecting two standalone amplifiers, each with its
own protective circuits, bias supplies, etc. with a combiner is kludgy
and likely to lead to problems.
Now the KPA1500 prototype -- that was neat.
On 3/3/2014 9:33 AM, David Gilbert wrote:
I really don't find those kinds
Not without a big hardware modification. The detection (do we still call
it that?) -- conversion to audio is done in the DSP. And a lot of other
stuff.
On 3/3/2014 5:32 PM, GDR wrote:
Can the DSP in the K3 be bypassed? In other words, can it be operated
as a conventional superheterodyne
My 2 cents: I am on the West Coast, and I have a 3-element beam at about
18 feet for 6 meters. I run 100w from my K3, CW only. During the summer
when there are sporadic E openings, I have worked stations all over the
US, including the East Coast. VHF contests are also an excellent time to
get
First, are you using any auxiliary devices connected to PTT? If so,
disconnect all the 'interfaces', etc., and try it just with a paddle.
Try it with a dummy load to rule out RF as a problem. Or even in TX TEST
mode. I can't think of any menu parameters that would cause this.
On 2/20/2014
I'm leaving California after 25 years and going back to Israel in
September. I'm selling a lot of stuff I've collected, mostly boat anchors.
Have a look here
http://www.qsl.net/k2vco/StuffForSale/Stuff%20for%20Sale.html
I have lots and lots more, but these are some of the bigger items.
--
73,
Me too, as high as possible. Gets rid of a massive amount of clicks and
transmitted phase noise!
Sorry, couldn't resist.
On 2/19/2014 12:43 PM, mcduf...@ag0n.net wrote:
My favorite trick is to toss a small radio like a IC706 up
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
It's a 4-1/2 foot whip, working against the coax shield as a 'radial'.
Probably the coax will radiate more than the whip, especially if the
coax is stretched out full length.
An indoor dipole would certainly work better. A couple of pieces of wire
matched by the K3 tuner would work as well or
The K3 will work fine if you never update the firmware. You should also
not need to access the menu in normal operation. I am a person who likes
to twiddle things -- you may not be. But it isn't necessary.
The K3 will provide much better performance than the transceivers that
you mention
I'd like this, too. I know it's only 3 dB, but there are contests that
define the low power class as 150 watts or less. Some amplifiers
require more than 100W drive for full output. And of course the US
regulations allow 200W on 10 MHz.
On 2/7/2014 9:40 AM, Gary Gregory wrote:
200w PA as an
Actually, many QRPers seem to be saying that it's /easy/ to work the
world with 5 watts and a crummy antenna, and it's sinful to use more
power, or, God forbid, a beam.
It is /hard/ to work DX with 5 watts and a low dipole (or worse, a
Buddipole or similar antenna). This can be very
The schematic shows that D4 is connected to the wiper of R1. So yes, it
is supposed to be like that!
On 2/1/2014 2:00 PM, Lane wrote:
Since its a Saturday, thought I'd try here. I'm on the front panel board of
the K2 and my eyes are playing games with me today.
On pg. 24, a diode for D4 was
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I spoke to an Elecraft employee about bugs in the W2, and he confirmed
that there are a number of them and that they are planning to come out
with a new version of the firmware at some point (I don't want to say
'real soon now').
The manual IS incorrect about the alarm needing to be turned on
output than forward power whenever the SWR is greater than unity.
On 1/19/2014 9:33 AM, Pierfrancesco Caci wrote:
Vic == Vic Rosenthal K2VCO k2vco@gmail.com writes:
Vic I spoke to an Elecraft employee about bugs in the W2, and he confirmed
Vic that there are a number of them
Depending on the location of the feedpoint, the currents may be balanced
even if the antenna is asymmetrical. Consider the end-fed Zepp antenna
in which there is a tiny or non-existent horizontal section on one side
and a multiple of half-waves on the other.
Of course, if one side of the
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, And right when I'm setup to use that feature .
73 Ken K5DNL / WG2XXM
On Saturday, December 28, 2013 10:43 PM, Vic Rosenthal K2VCO
k2vco@gmail.com wrote:
Hello folks,
I sent this to Support, but they are probably resting up until Monday,
so I thought I would ask here. Has anyone had
Hello folks,
I sent this to Support, but they are probably resting up until Monday,
so I thought I would ask here. Has anyone had this problem with the W2
wattmeter?
I just assembled my unit. It seems to work correctly except that I can't
enable the alarm function.
1. When I turn the W2
I just ordered a W2 wattmeter, haven't received it yet, and I already
want to change something!
It displays forward power and SWR. When the SWR is 1:1, then the power
output of the transmitter is equal to the forward power. But when it is
greater than 1:1, then the actual power output is the
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