Good Evening,
Twenty meters was pretty good this evening. Forty meters seemed to be more
problematic ;) Weather reports were much nicer to my east than they were to my
south. I did get a few reports of pleasant weather in California but also had
two others with chilly temperatures. It was
Thanks to all for the replies. I have located a kit and it will soon be
on the way to me. 73, John
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The net was a bit challenging again today. Signals were just not very
strong, and QSB was deep at times. We had 29 participants over the 32 minute
net, however. We had both AK and HI, and I was able to hear two WA stations
as well. Notably, we had four K2s in the mix today. Conditions were bad
en
Steve,
Those resistance readings are too low, and you will have to find the cause.
What I believe is happening is that the low resistance on the paddle
connections is triggering the circuits to go into a transmit state - and
if that happens, the buttons do not work nor will the encoder change
f
Joe - while I appreciate your concern for cluttering the list with fan noise
"noise," that's exactly what these lists are for -- discussion -- and now
there are loads of tools and filtering options for incoming email. Gmail's
threads for example will keep all related messages together (if subject
John & Phil,
I use a SEC1223 power supply with my K3/100. It sits on top of the K3. Never
the least bit of hash or fan noise experienced.
Highly recommended! I also use the SEC 1235 with my Ten Tec OMNI VII same
experience.
73,Bob VE3XM
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Here are my out-of-spec measurements. Any ideas?
R1 = 96.4k
R2 = 96.5k
Both should be >1M. Everthing else in the list checks out (well above the
lower spec limit).
At this point the rig powers up and gives me the 201 message, switches to
ELECrAFt, then 7100.00c but the buttons and knobs don't w
I use the Samlex SEC 1223 power supply for my K3/100 and the Samlex SEC 1235
to power my Ten Tec OMNI Vll transceivers.
Both power supplies are dead quiet, the fans seldom come on. They both sit
on top of the transceivers and never cause sperious
interference.
Phil I would highly recommend the
The update has reduced the amount of "noise" my wife hears upstairs. I know
that sounds wild, but believe me it is totally worth it. The sound quality of
the radio with my external stereo speakers including subwoofer is very pleasant.
Bill
K9YEQ
K2 and KX1 field tester, K3 and modules
-Or
Thanks for the congrats on the new call and I must say that I agree w/
you on the connector I usually have a full up RS232 straight
through cable between my usb to RS232 adapter and then throw a few turns
through a BOCI before it enters the radio...
BTW and FYI BOCI stands for (Big 'Ol Chunk
Ok well all versions of Linux, Windows after 2000, and even BeOS that
I've used support it out of the box... Mac people should be used to
having to find drivers for things I guess... ;)
I've had nothing but success w/ the FTDI devices and that includes
installing them into products that are sold
I got the K2 powered up. It showed the default message INFO 201 and ELECrAFt,
then 7100.00c. The display button won't switch anything and the VFO knob
doesnt change the frequency (page 44, left column).
Time for some trouble shooting.
Steve, KC8QVO
--
View this message in context:
http://el
I have a Radio Dust Covers K2/100 cover in Blue with Gold Lettering and a K2/10
top cover with speaker for sale. Please contact me off list if interested. I
have pictures available. You can see these items on QTH.com by searching for
ads listed with my call.
73,
Dave N8AG
For those bothered by fan noise, you might look into my fan speed
controller article in February QST (p 44). It's a very simple circuit
that gradually speeds up the fan as the temperature rises. PC boards
are available from FAR circuits or you can just breadboard it on a scrap
of perf board.
It
Normal room noise? This is probably what masks fan noise for a lot of
people.
In my house, loud noises are the dust particles crashing into and
settling on surfaces.
I have thrown away analog quartz clocks because the ticking was too
loud. And yes the motor noise in the DVD and VCR players bot
Jim,
I should have mentioned that. From the beginning, I wrapped about twelve
turns onto a #31 core from the DC input, fan output, and speed pot leads
onto a #31 core. In fact, all leads are done with IDC ribbon cable and
grouped/wrapped together on one core.
Paul, W9AC
- Original Messa
Hello Phil,
On Sun, 23 May 2010, elecraft-requ...@mailman.qth.net wrote:
> From: "Phil LaMarche"
> Subject: [Elecraft] K3 Power Supply
>
> I have a 35 and 70 amp Astron PS for home use. I want to buy a supply that
> is light and nice for taking it on vacations etc. Any recommendations?
>
> Phi
James,
You state this very well. Competition is good and sooner or later
someone will produce a better radio than the K3. Many K3 users would like
different emphasis in areas of design but then come to realize that we would
probably miss some of the current features such as portability. T
Steve,
With C36 not installed, you may have a strange sounding sidetone note,
but other than that things should work just fine.
73,
Don W3FPR
steve d wrote:
>
>
> I received my kit on Wednesday and I got to the first alignment already! The
> front panel is done, the Control Board is pretty muc
I received my kit on Wednesday and I got to the first alignment already! The
front panel is done, the Control Board is pretty much done, and I started in on
the RF deck.
However, I am missing one of the caps for the Control Board #272 (.0027uH).
Before I power up for the first time, am
Push and hold the CMP PWR to adjust the MON level.
Steve WU9B
on 5/23/10 10:24 AM, Richard Thorpe at kis...@earthlink.net wrote:
> Recently I had a problem with my K3 after installing the latest beta
> software, after doing parameter initialization and a lot of help from
> Dale at Elecraft, the
Thank you for all the replies to my question, adjust the monitor of
course, I feel a little foolish but am glad the reflector is here for
support.
R Thorpe AC9D
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Fan noise on my K3 is very slight. Not a problem here.
Dave, N4QS
- Original Message -
From: "Joe Planisky"
To: "Elecraft List"
Sent: Sunday, May 23, 2010 11:19 AM
Subject: [Elecraft] [K3] K3 fan noise, part XXLIV
> The topic of K3 fan noise seems to come up every now and then, and
I have used the alinco dm-330v (think that number is correct). Has a small
fan at the rear, but in normal use you just cannot hear it over normal room
noise.
Like most switchers it destroys broadcast AM reception, but haven't heard
anything while using the k3 for normal ham use.
it is a 30 amp
Recently I had a problem with my K3 after installing the latest beta
software, after doing parameter initialization and a lot of help from
Dale at Elecraft, the radio is back to its old self, almost. I've
looked through the config menu but cannot find an entry to solve my
issue. I'm hoping
Craig, Philippe and the rest of the gang,
I also upgraded last week and I can confirm Craig´s and Philippe´s
comments.The K3 simply sounds much nicer, warmer and less annoying and
especially SSB, which was quite unpleasant to my ears(and yes,I played
around with the settings many hours),is now fa
On 5/23/2010 2:21 AM, Brett Howard wrote:
> Pretty much any current OS out there at the moment supports the FTDI
> USB<->RS232 adapters out of the box...
Again, not the case. Current releases of Apple OS-X do not ship
with FTDI (or any other) USB hardware drivers preinstalled. The user
must i
"Some are complaing about loud fan noise. Do you have that with yours? I
don't think your review mentioned fan noise as I recall."
I said that you'll know when the fan comes on. That's the reason I modified
the unit to keep the fan turning at low speed. That keeps the PS cool and
so the fan al
I have a JetStream JTPS-35 switcher. It has a humongous heat sink inside the
box and has a fan that makes some noise when the transceiver is turned on.
However, I can't hear it when my Dentron Clipperton L is turned on. The
Dentron has an aftermarket Radio Shack fan. The original fan was rep
From: "K4ia"
> I have never heard the K3 fans. Two fans at very low speed make
> no
> noise.
I guess you don't operate RTTY!
Dave Hachadorian, K6LL
Yuma, AZ
.
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The topic of K3 fan noise seems to come up every now and then, and
each time it does there's a chorus of people who say the fans in their
K3 are absolutely silent, and an equal chorus of people who say the
fans are clearly audible.
I'm in the latter camp. I hate fan noise and I can clearly h
Hello -Looking for a K2 Rework Options Bypass Header kit. Thanks, John
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I have one too works great. No noise that I can attribute to it.
I have an Astron Switcher and it is susceptible to rf on 20m. I saw a post
where someone has loose screws in theirs so maybe I should open mine up and
poke around.
Why would Elecraft not offer a ps kit for the K3?
Mike W0MU
C
Dave - You wrote:
"AFAIK, all the testing is done with a single unit. Does anyone have an
idea as to what the normal unit-to-unit variation is? Are we talking
0.1dB, 1dB, 5dB?"
Variations of a few dB from one unit to another of the same radio are typical.
For the higher performing radios, most
Oh, I too remember now, my K3/100 has fans, I remember putting them in. But, I
think they are broken because I NEVER hear them.
PEH's FIVE solutions to fan noise...
(1) Use headphones.
(2) Turn the sound up on your K3 speakers.
(3) Use digital interfaces and play background music while you
I have never heard the K3 fans. Two fans at very low speed make no
noise.
Craig Buck
On May 23, 2010, at 11:34 AM, Darrell Bellerive wrote:
> I agree! I would rather have a larger, more expensive box with a big
> heatsink than a fan. The only fan I have ever heard that was silent
> was
> on
On Sun, 23 May 2010 08:40:53 -0400, Paul Christensen wrote:
>Recently, I've added fan speed control with a PWM controller.
I trust that you've carefully designed to minimize the RF noise usually
associated with this sort of circuit. :)
73,
Jim K9YC
See http://www.elecraft.com/order_form_parts.htm#K3%20Parts
Look for K3DSPUPGD
73
--
Joe KB8AP
On May 23, 2010, at 8:31 AM, Tom W8JI wrote:
> What serial numbers does this apply to
>
> What is changed?
>
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H
I agree! I would rather have a larger, more expensive box with a big
heatsink than a fan. The only fan I have ever heard that was silent was
one with the blades and motor removed and destroyed. :-)
Most people don't seem to notice the noise so I guess we just have to
endure it as we seem to be
Is anyone using the Kenwood MC-60A on a K3 with any good audio success?
Thanks.
Larry, KN8N
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What serial numbers does this apply to
What is changed?
That would be most important to people interested!!!
- Original Message -
From: "Craig"
To:
Sent: Sunday, May 23, 2010 7:34 AM
Subject: [Elecraft] K3:DSP Upgrade well worth it
> Hi folks
>
> I just completed the DSP upgrad
You are absolutely right. The RF gain doesn't work in frequency entry mode
either. Curiously the 4 little encoder knobs do. You can change bandwidth,
mic gain and compression freely. I think it's important that the AF gain
always works, so this ought to be fixed. I have had mine for two years and
I have one I bought a few months ago to go with my new K3. Works great. I
do not notice any hash, and the fan noise hasn't bothered me yet (but then
again I'm usually running 2 rigs, 2 power supplies and 2 amps, all at the
same time. The PS fan is NOT the loudest thing in my shack by any means.
I have used one at Field Day for years. Works great no issues.
If you have a problem with fan noise, put the box on the floor. You
don't need it on the operating table anyway and moving it away from
the radio can't hurt the rfi issues.
Craig Buck k4ia
On May 23, 2010, at 10:18 AM, N1JM wro
Phil & Debbie Salas wrote:
>
> "Anyone using a SEC1235 with there K3? Much RF hash? John N1JM"
>
> I do. No hash at all. I did make a few mods to my unit. I enabled the
> fan
> so it runs at low speed all the time (it can still go to full speed if
> necessary), and I added a pair of Power
I was in the middle of making a freq change on 40 meters when a loud signal
came on so I grabbed the AF gain and found out that it will not work until
after one has completed entry of the freq and tapped the AFX button.
Not a big deal as this is the first time in two years of hard use that the
PaulIt makes me wonder if they couldn't just put a decent heat sink on
those switchers and virtually eliminate the fan or at least make it very
rare to ever turn on. I realize they want to keep them small and lightweight
and I guess fans are cheap and light but I sure do hate the racket they
> Finally, I went back to my Aston 35m which has no fan and helps hold down
> the desk. AhhhNo noise, No hashJust nice clean DC.
I've been dealing with the same issues as I transitioned from a 20 year-old
Astron RS-35 to an HP bench supply and an Astron switcher. In each case,
both supp
I read the Eham reviews about how quiet the fan is and that it seldom even
runs so I bought one. I used it to power the K3. The fan came on after about
3 minutes of receive mode operation and it was louder than anything else in
the shack. I hate fans, except when I'm sleeping! The fan attempts t
Dear Phil,
I will attempt to be there, 17:45Z
Philippe A65BI
>>> "Phillip Shepard" 22-05-2010 22:25 >>>
Hi guys,
The weekly SSB net will meet tomorrow (5/23) at 1800z on 14.314 MHz. I will
be net control from western Oregon. We'll try to pull in other NW stations
that I can't hear. See you ther
Hi Craig,
Fully confirm your impression. Seems superior and weak signals ssb/cw more
readible and less "agressive" to my ears.
Using an old Sony MDR7505 Headset
Bst 73's
Philippe A65BI
K3#3616
>>> Craig 23-05-2010 15:34 >>>
Hi folks
I just completed the DSP upgrade board swap. I would just lik
"Anyone using a SEC1235 with there K3? Much RF hash? John N1JM"
I do. No hash at all. I did make a few mods to my unit. I enabled the fan
so it runs at low speed all the time (it can still go to full speed if
necessary), and I added a pair of PowerPoles to the back. Info in the
"Reviews" s
Not only will the use of such a thing negate the K3 talking to the P3 et al,
it does not resolve the USB driver / OS / software problem whatsoever.
This is a cool thing, but all it's doing is physically moving the same USB
to RS232 converter to inside your K3 instead of between the K3 and your
com
Hi folks
I just completed the DSP upgrade board swap. I would just like to say that its
well worth it. The K3 sounds much better and smoother.
The first impression that you get is that the receiver sounds calm and quite.
The harshness and sharp sound has mostly gone. The receiver does not
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