I was fortunate to find a used pair of Sounds Sweet speakers for an excellent
price at a recent fleamarket.
I have to say they are well worth the trouble and expense if you can find them.
They are not amplified so there is no interference, and they sound
marvelously clear and rich.
I don't do much shortwave listening, but I have had the opportunity to
directly compare receive performance between the K3 with general
coverage receiver option, the K2 and the venerable Kenwood TS-930s. I am
also solely into voice.
My general point is the difference between hearing and not
Two other points.
For six meters, I currently don't have a separate six meter antenna.
From what I have heard what little is going on with six meters would not
justify the additional expense. Plus you can add it to your K2 using a
transverter.
The two meter option will cost you $299 for the
IQ data is a method for describing the characteristics of a wave. IQ
uses amplitude and phase angle to describe the wave, see for example
http://zone.ni.com/devzone/cda/tut/p/id/3013
The K3 takes an RF signal from an antenna, filters and modulates it. At
some point the filtered, modulated
I am not an electronics expert, but I work closely with someone who spent 40
years installing custom electronic equipment in commercial and military
aircraft.
Approaching PowerPoles from the perspective of a novice, it has been my
experience that PowerPoles take some learning to properly
I have owned both the K2 and K3.
The K2 is a perfectly capable HF radio, near (but not at) the top in
receiver performance. The most fun part of the K2 was assembling the
kit, and I learned a lot from the experience.
The K2 has advantages in price, small size and low power consumption.
For
Thanks everyone for the excellent information.
-Original Message-
From: Eugene Balinski [mailto:euge...@nni.com]
Sent: Wednesday, March 23, 2011 5:54 AM
To: George A. Thornton; Elecraft@mailman.qth.net
Subject: Re: [Elecraft] marine frequencies and k3
George,
The ** best ** solution
I know someone who is about to embark on an around the world sailboat
cruise. She is not currently licensed on HAM frequencies but is going
to have a marine operator license. She is about to acquire a marine SSB
radio. Most of those radios are also capable of operation on HAM
frequencies.
I have a different opinion.
I like kits. The stereo I used in college was a Heathkit I built
myself.
I built the K2 and learned a great deal from the experience. I had at
least as much fun building the radio as using it.
Building the K3 is indeed much less of a kit experience. This is
I have a Kenwood MC-60, I bought it new about a year ago for use with an
older Kenwood 930s. It has been used lightly and is in good condition.
I just tried it on my K3, it works fine for me with the mic preamp off
and the K3 set for FP L.
I am driving it with mic gain set at about 23,
Amplified computer speakers have been a problem for me. They are not
well screened for RF and on occasion I have had bad feedback problems.
Eliminating the amplified speakers solved the feedback problem.
Unamplified speakers work fine and audio is adequate without external
amp with smaller
Proper electrostatic mats are cheap and readily available. A local
electronics shop in Seattle sells 3x4 foot sheets of the material for
about $30, and they tend to charge higher prices since they are the only
local source for electronic components.
Also, Radio Shack sells a folding plastic
I stand corrected, thanks. I have been pretty busy and did not take the
time to read all the way back.
-Original Message-
From: David Pratt [mailto:da...@g4dmp.fsnet.co.uk]
Sent: Friday, December 17, 2010 11:50 AM
To: George A. Thornton
Cc: elecraft@mailman.qth.net
Subject: Re
When I was in the market for my K3 someone told me that what is at the
top of the heap today may be surpassed by someone else tomorrow.
Supposedly the Yaesu has a better receiver, at least on CW.
What would bother me about this kind of a rig is that after spending all
that money on it, I may
Go back to filter settings and set the bandwidth of the 1.8 filter a bit
wider, say 2.1. Then use the hi/lo adjustments during operation.
Typically I keep the low full and gradually lower the hi settings. When
you get the filter narrow enough the K3 will automatically switch from
the 2.7 to the
I am looking for recommendations on external speakers for the K3. I am
primarily interested in voice modes.
I would use these primarily in my shack. My contesting has thus far
been limited to Field Day, but who knows where this might lead.
Someone told me, when I was looking to buy my K3, that while the K3 was
the top of the heap today, soon or later someone would come out with
something equal or better. It's a competitive world.
I am pleased that Kenwood is finally doing something decent in HF. I
love my old TS-930s, a simple
I find these comments fascinating and highly appropriate for a K3 forum.
The K3 with its modularity and close communication between user and
manufacturer is the ideal place for adapting new technology to HAM
radio.
As a heavy user of technology outside of HAM radio, I think I have some
opinions
This might be something obvious I am overlooking.
I have experienced a few instances of the sub RX tuning knob freezing.
I spin the knob but the frequency does not change.
Sometimes turning the unit off and then back on gets things moving
again.
I have tried linking and unlinking the
I loaded the beta updates with zero problems.
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of John Buck
Sent: Sunday, September 19, 2010 12:07 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] New K3 P3 Beta Firmware
I seem to have an elusive audio feedback problem. It is not always
there but when it's there it's bad enough to render me unintelligible on
voice Tx. I am posting this because maybe someone has seen this before
and can enlighten me.
I am operating with the LP-Pan and am using Power SDR for
I see the k3's complexity as an issue with emergency communication. In
emergencies the K3 could be called on to deliver service with multiple
operators.
The K3 has a rather complex menu and control system. It takes some
understanding and tweaking to get it to maximum effective performance.
Note responses:
1. The TXCO-3 is not necessary. The basic TXCO is quite stable enough.
2. You will probably do fine with the 2.7 filter, but may have
complications matching filters if you decide in the future to get the
second Rx for diversity receive.
3. For other filters, you could get
I am about to put together a backup power supply system. I have AGM
cell batteries and will be using a West Mountain PowerGate P40s and an
Astron RM35 power supply.
The West Mountain literature recommends that I boost the power supply
voltage to 14.5 volts in order to assure proper battery
There could be a black market in fake Elecraft serial number stickers.
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rick Prather
Sent: Monday, August 02, 2010 4:47 PM
To: Ken Kopp
Cc: elecraft@mailman.qth.net
Subject: Re:
I agree. The biggest risk is misidentification.
I prefer to use sheets of paper and scotch tape. I group similar
components together and tape them together lightly to sheets of 8x11
paper, writing the identification number on the paper next to the
component(s). I try to keep the sheets flat to
I can only give my anecdotal response. I have built both the K2 and K3
and have supplemented and upgraded both.
For the most part the Elecraft equipment, particularly the K3, is well
designed and pretested before leaving the factory.
If you are comfortable with kit building you are probably
It is inevitable that the competitors would notice the success of the K3
and respond competitively. Kenwood used to make quality HF radios but
long ago lost their way. I would be interested in seeing a review when
one comes out.
In my travels I think there are a number of people who object to
PowerPoles have huge advocates and huge objectors.
They are very convenient for setups that are frequently changed, since
connecting is simple, safe and easy and the metal contacts are shielded
making an accidental short less likely.
A HAM friend of mine with 40 years experience in high end
I am relatively new to the K3 and completely green on contesting.
My K3 is new this year and recently returned from the factory to correct
some problems that occurred during installation of the SubRx.
During Field Day we were operating voice on 20 meters using a 6 element
monoband Yagi
I am planning to use my dual receive K3 for field day and we want to try
out diversity receive.
This particular setup will be for 20 meters only. The primary antenna
will be a 20 meter monoband Yagi mounted on a 40-60 ft. tower.
We were considering using a Buddipole mounted in
This issue has been bounced around a lot and perhaps it is now overdone.
I do want to say that in my consumer experience the serial port has
always been a beast to work with. You constantly have to watch port
settings and the OS seems to change things all the time, causing the
device to fail to
By crash, I assume the whole system crashes and you get the blue screen
of death.
According to a software engineer friend of mine at Microsoft, this is
usually caused by a driver conflict with the OS. Driver conflicts are
more common with the 64 bit OS. Drivers are written by the device
Kenwood once made great HF radios. I have an old TS-930s that is quite
a performer for its age. I found in side by side comparisons I was able
to copy more weak signals with the 930s than with my K2. If I could
copy on both, I would prefer the K2 because with dsp I was able to
filter out all
I recently went through all this.
A Signalink is not necessary since the K3 already does internally what the
Singalink does other than the sound card. They run about $100.
I was warned away from the cheapest USB sound card dongles and I ended up
spending about $30 for something with a
My understanding is that lower volt systems are preferred by electrical
safety codes because they pose less danger to human life. From what I
understand, the only way you could cause death from a 12 volt circuit is
if the short circuited path goes through the human heart.
That is why electrical
Last night I started setting up PSK31 using HRD and DM780.
I am using an older Lenovo T60p computer in a port replicator, running
Windows 7. I made direct connections using 1/8 stereo audio plugs
between the line in-out connectors on the K3. The line out goes to the
microphone input in the
To: George A. Thornton
Cc: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] PSK31 setup
George,
I trust you meant QSO instead of QSL - the cards come after the contact.
:-)
Check the menu for MIC SEL when the K3 is in DATA A mode. If it is set
to anything other than LINE IN, it will not work
I assume you have properly installed and activated the ATU.
To operate the ATU you tune the radio to the band and frequency you
intend to use and then press ATU tune to operate the tuner. Make sure
you have the antenna attached and selected first. The ATU must also be
turned on.
The ATU is
I have a question about PSK31, sound cards and the K3.
I am currently set up to use my K3 with the LP-Pan for a pandapter
spectrum display on computer. I am currently using a separate USB sound
card (E-Mu 0202) as the sound card for this interface.
Someone told me that using the same
Thanks everyone for the suggestions.
I have decided to purchase a less expensive sound card for dedicated use
with PSK31. While I could do this through the other sound card or the
computer, it is easier to set things up this way.
-Original Message-
From:
It is a trivially simple and painless process as long as the connection
between the K3 and your computer is working fine. Just leave things
alone during the upgrade and don't disconnect or power anything down.
-Original Message-
From: elecraft-boun...@mailman.qth.net
I too want to express my strong irritation with Elecraft that I am not
able to create problems with my K3.
I really want to blame them. But every time I think I have something on
them it turns out I did not follow directions properly or I have
something installed wrong.
And they are so
If I recall correctly that microphone is an electret. You have to set
the bias on the mic setting for it to work.
Go to Main:Mic Sel setting. While in that setting hit 2 to turn bias on
or off. You may also want to play with sensitivity setting (hi or lo)
by hitting 1. See manual p.20.
looking to add the second receiver and a couple filters to my K3.
Price is negotiable.
Respond direct to my address and I will provide you with further contact
information.
George Thornton
AE7G
__
Elecraft mailing
I am relatively new to the K3 and I am not a contester. I did want to
give my reactions to the 1.8 filter as a second SSB filter. I have one
and I have been listening through it.
The way the filters work, the K3 does not kick in the filter until you
narrow the bandwidth to that filter's
the K3 already provides?
George Thornton
AE7G
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I have begun running my personal comparison test between three
receivers. The tests have been on SSB reception.
My newly constructed K-2 (with DSP)
Kenwood TS 2000
Older TS930s that I recently had professionally tuned up.
The bottom line is that there is no comparison.
I live
I have completed #4554, which consists of the K-2, noise blanker, DSP2
unit, 160 meter, 60 meter and SSB modules.
I bought a used Bird wattmeter through Ebay, which was finally delivered
yesterday. Last night I went thoroughly through all of the alignment
and test procedures. I did not have
Pleased to report that #04554 is going well.
I now have installed four options: KNB2, KDSP2, K160RX AND KSB2.
Everything went pretty smoothly. With the exception of the KSB2,
everything worked according to hoyle right off the bat. The KSB2 unit
would not communicate with the main
This is a test to see if I am correctly connected.
I have been receiving posts to this reflector but my messages in have
been rejected.
I have multiple email accounts and I suspect that is the reason.
I changed things and hopefully this works.
Anyway, I have just completed the
I thought I would share some comments concerning my personal experiences
in building my first K-2. Perhaps this will help someone starting out.
I am not a skilled electronics technician, and I am a bit of a klutz
with mechanical stuff. Many years ago I built a Heathkit hi-fi stereo
amp. I
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