In the analog NTSC days, Harris UHF broadcast transmitters were liquid
cooled by stuff called UCARTHERM-HTF 6141 (If memory serves me).
We called it "Vulcan Blood". It was a special Ethylene Glycol much like
automotive anti-freeze but thicker and with lots of other goodies inside.
It was an
ALC would not have helped, as it is too slow to respond to a momentary
overload of this magnitude.
My station is set up exactly as described by Andy below. Also, the K3 is
set to remember output power by band. KAT500 hancles disabling the amp on
SWR faults and when tuning (rarely done as Ive
I believe that the remote spectrum feature in Logger+ works with a data stream
output via the USB connection. Logically, this means that the RADIO has to be
able to send the data stream to form the remote spectrum display.
The HDMI output does present an independent from the front panel
My TS450 had one receiver. My TS850 also had one receiver.
On both radios, when I sold them, the TF-SET button didn't say TF-SET
anymore... It was blank. I wore the label right off of them pressing that
button rapidly over and over and over in split pileups.
My K3 has two receivers. I have
ect: Re: [Elecraft] Killed the KPA500 :)
>
> Mine has never started up in ‘Operate’ mode. Could it be a setting you
> imposed?
>
> Sent from my iPhone
> ...nr4c. bill
>
>
> > On Nov 16, 2018, at 2:19 PM, Luis V. Romero
> wrote:
> >
> > Michael:
> &g
Michael:
The KPA500 defaults to power up in STANDBY but is programmable to power up
in OPERATE mode. Someone must have changed yours.
The KPA500 can also be programmed to switch to standby on band changes. It
defaults to selecting STANDBY or OPERATE per the last band change.
When connected to a
Thank You Wayne!
I have set up this on three Icoms now (1 - 7851 and two 7300'ds) and I
believe it will be a very welcome addition to my quiver of arrows here at
W4LT
If you need a Beta tester, please count me in.
As always, thank you for listening and being responsive to your customer's
needs
I completely agree with Ken K6MR!
I rarely, if ever, touch the radio. I sometimes twirl the main VFO knobs,
but frankly, out of habit.
90% of my interface is via the computer keyboard (N1MMLogger +. Oh, yes, I'm
one of those "Durn Contesters!").
But there are very interesting things on the
Shameless Promotion but interesting story:
Two years ago in the Florida QSO Party, our local "Mad Scientist" and mobile
operations God Chris, NX4N, decided to do something that had never been done
before:
A Multi Multi mobile entry!
In his Chevy Suburban, we had four radios: A K3 in the front
t is beginning to impact Ham operations.
>
> 73, Ron AC7AC
>
> -Original Message-
> From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Luis
> V. Romero
> Sent: Saturday, April 8, 2017 10:04 AM
> To: elecraft@mailman.qth.net
> Subject: R
All:
As a broadcast professional, I completely agree with the need to hear one's
voice as side tone in your headset while speaking. Not hearing this does
make one feel deaf. This is a common feature in professional intercom
systems as well as music performance monitoring for singers and
Peter W2IRT et. al.
In the words of the Immortal Lt. Cmdr. Montgomery Scott of Star Fleet:
"The more complex they make the plumbing, the easier it is to stop up the
drain."
Flex's are nice, they do nice things. My lowly K3/KPA500/KAT500/P3 station
integrates just fine with anything I have
Charlie:
I have had good success with the Lenovo Yoga 2 11 ($400). It's actually my
wife's machine, but I use it when we travel to places.
It's not the fastest machine, and the screen is not the biggest, but its
small, light, flat, easy to use, quiet and runs everything I need to connect
to
Barry:
It is the first Elecraft product I have ever been personally disappointed
by.
If you already have a good wattmeter, you don't need it. If you don't, the
positive thing is that the wattmeter works just fine, and saves you from yet
another box to put on your bench. So it does have
Joe and all:
>
>Comparing processing issues and transmitter IMD are mixing apple and
>oranges. Processing issues generally affect the quality of signal
>*on channel* - the ability to understand the audio - whilst IMD is the
>"off frequency" splatter up/down the band that interferes with everyone
Bob, et. Al:
>
>Signal reports heard being given today are largely "ego reports" and are
>of little to no value. When was the last time you heard a report
>indicating ones audio is distorted, or sounds like the transmitter has a
>bit of FM, or there's buck shot heard 10 kHz away, or
Joe:
I fully understand the distinction. However, I see the very same waveform on
receive in the P3 today. Why can't I see that waveform from my transmitter
on the P3? Plus, the required RF sample and IF frequency data is being
delivered by the radio to the P3 for tuning right now, isn't it?
All:
OK, I will jump in on this one. It's close to my heart.
My closest local ham friends are IC-7800 owners. All 5 of them. All of
them have larger and taller antennas than I do. I can hear everything they
hear and, though I'm at a 500w transmitter disadvantage viz their kilowatt
Alan:
You wrote:
It gets more interesting if there is a problem
in the RTTY transmitter that causes the two tones to come out at
different amplitudes, which would be easy to see on the screen.
In your example, you would see ripple in the flat waveform on the screen,
true enough.
Grant:
I have a workaround: My bench O'Scope and a 17 inch piece of hook up wire.
Been running that for five years.
The above does everything that the TX-MON option does. Everything.
Frankly, I was expecting a little more in this product. That's all.
Don't worry about me. I will
Hello Elecraft folk:
Just installed my new P3 TX Monitor board that I ordered at Dayton (!). I
have been waiting for this capability for the P3 since 2010, so as to enable
me to monitor transmitter waveforms accurately like I did in my Heath
SB-401/SB303 station with the SB610 in ancient times
I have several CM500'ds and also a Koss SB40. The Koss SB40 headset is
IDENTICAL to the CM500 in design and construction, except in one area: The
Mic capsule. The Koss mic capsule is dynamic, not condenser. It is also
HORRIBLE! I believe it is a cheap earphone soldered up for mic duty. It
Thank you all:
The K1 is sold pending funds.
73
Lu - W4LT
On Sep 22, 2014 5:16 PM, Lu Romero lrom...@ij.net wrote:
K1 #2539 for sale
I would like to sell my K1-4/2 for personal reasons. The
rig comes with the following options:
- Finger Dimple
- LCD Backlight kit
-
Joe, et al:
Awfully expensive, but, hey, they match the K-Line...
This is sort of like those beautifully machined knob sets... $250 for a VFO
knob that probably cost less than $20 to make!
But then, yes, Im guilty of accessorizing as well... I had my callsign
engraved on my K3's display
I must be a closet Aussie... My K line is also reversed with the K3 on the
left and the KPA500 on the right. That is comfortable for me, as in my SO2R
set up, the main radio is actually the K3, radio #2. Always tuned with my
right hand. Habit from the days of HW16's with the RX knob on the
Knob CCW?
:)
73,
matt W6NIA
On Fri, 21 Jun 2013 10:44:06 +1000, you wrote:
You are now officially accepted as an Honorary Aussie
Now all you need to learn is to stand up when your DownUnder...
Grin
Gary
Vk1ZZ
K3, KX3, KPA500-FT, KAT500-FT,P3.
On 21/06/2013 9:19 AM, Luis V. Romero lrom
I guess we are arguing quibbles here, Don.
Of course youre correct in your comments regarding powered/unpowered
speakers.
My ancient Yamaha YST-M101's, which are my primary station speakers on the
line output of my K3, sound just fine to me! But since I usually use
headphones, I rarely
Im wondering two things:
- How much power output was the K3 in question operating PSK at? PSK is
really picky about transmit IMD. IMD increases with power output from any
rig, K3 being no exeption.
- Did the station that complained about splatter have his noise blanker
and/or preamp turned on?
Folks, Ive posted info for this idea before. Somebody aught to try it (I
dont have time and cant use it, or else I would...)
The K3 has a RS232 input for radio command. It has a macro language that
uses plain english command syntax that is very flexible. You can write
macros to do almost
As a student of these issues, I dissagree. Its telling from your comments
that a lot of you come from an Engineering perspective. And while I can
understand that because of my engineering background, my marketing
background knows better. Customer support is paramount in the success of
any
Well, now:
I spy a USB socket and what appears to be an Ethernet socket above and below
the VGA socket on this board...
Pray tell, does the USB socket indicate the ability to plug a
mouse/trackball in so as to enable point and click on the VGA screen and
QSY the radio a la Flex?
And what
bigger and bigger.:-)
Gary
VK4FD - Motorhome Mobile
Elecraft Equipment
K3 #679, KPA-500 #018
Living the dream!!!
- Original Message -
From: Luis V. Romero mailto:lrom...@ij.net
To: elecraft@mailman.qth.net
Sent: Sunday, December 18, 2011 2:24
Ron:
Maybe I'm just a dinosaur waiting for the next asteroid, but
as a Novice I learned it was bad practice ever to transmit on
top of another station for any reason and, when listening for
calls, always tune up and down a bit from the calling frequency.
Its the cluster/Skimmer
Rick:
Did you try chopping all the lows and boosting the highs in
the TX equalizer? It may not be broadcast quality audio
then, but that provides a lot more 'punch' in the audio,
which helps in DXing but not so much for the local chat nets
(then turn on ESSB too). Depending on your
Hi all:
I realize that the P3 can be set to function with various transceivers, but
can it be used with an Orion 1 (the original model, not the current model)?
Im not really interested in using the Panadapter for monitoring On Air
received signals (although that might be nice if it worked well
Hi Doug:
Welcome to the wild, wonderful world of logging software on Windows! As with
anything, there are good and bad things about it. For me it has been mostly
good.
So to answer your questions:
My station is as follows:
K3-100/KRX3/P3.
Ameritron ALS600 modified for full QSK (AD5X relay
Dave:
I have used a Behringer UltraPAtch Pro T-R-S patchbay for this purpose.
Nice thing about this one is that it has switches on the top to make it
normal through, half normal or normally open, which is very handy,
especially when you want to reconfigure. It cost around $40 new (or at lest
it
...@audiosystemsgroup.com
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
On 9/4/2011 10:39 AM, Luis V. Romero wrote:
You need to have a computer and the microKEYER running and interfaced to
use
DVK.
You need to buy the MK2, but it has other, added features, that add value
to
the equation.
An MK2 box
Hi all, especially the K3 Product Management folks:
I now have some time behind the combination K3-P3, It is a wonderful
combination. Like fishing with a fishfinder! Now my neighbor has definitive
proof in writing (a screen snapshot) that he is indeed 6.5kHz wide when he
cranks up that Macho
, you may want to think of SPAN as the opposite of WIDTH.
I hope that helps..
73,
Don W3FPR
On 8/7/2011 6:34 PM, Luis V. Romero wrote:
Hi all, especially the K3 Product Management folks:
I now have some time behind the combination K3-P3, It is a
wonderful
combination. Like
Thanks, that is what I now surmised. No problem, dont break anything to fix
this. I will pass it along to my friend Frank who uses PSK31 Digital D a
lot (I dont). I served him some KoolAde a year or so ago and coverted him
from TenTec. :)
See you in Dayton!
-lu-w4lt-
K3 # 3192
Hi all:
A local friend brought this to my attention.
Seems he is trying to set Split on PSK31 using the radio built in PSK31
keyer/decoder and terminal via RS232. When he tries to set Split, the radio
tells him SPL N/A.
I tried this, and I can set Split to function normally in RTTY, both
100% in agreement with your comment:
Moreover:
In that regard, it is a
shame that modern amateur transmitters don't use a split band DSP
processor to allow balancing the 10 to 20 dB difference in levels
between the low and high formats of the human voice.
A resounding YES! From your mouth to
I see posts like these often here, and (knock on wood) I have *never*
experienced any problem whatsoever in loading firmware into my K3 (#3192)
since I have owned it. I dont understand why there is so much angst
regarding firmware updates!
The computer I use is a Dell GX280 mini desktop. It
Please add my name to this request. I have the same setup as Phil and
Roger. It would sure be handy if the amp enable line setting could be
custom configured to adapt to this specific environment.
Lu - W4LT
K3 # 3192
Subject: Re: [Elecraft] K3 Amp Key configuration request
Hi George:
Just heard you on 10 meters a couple of minutes ago calling CQ on CW.
Although I don't use a P3 (My new roof just finished being installed a
couple of hours ago, so the P3 will wait for later in 2011), my setup is the
following:
Real com port 1 from my computer goes to side B of the
to use K3-EZ. Configure
K3-EZ to use the 2nd CAT port in microHAM Router.
73,
... Joe, W4TV
On 12/18/2010 1:31 PM, Luis V. Romero wrote:
Hi George:
Just heard you on 10 meters a couple of minutes ago calling
CQ on CW.
Although I don't use a P3 (My new roof just finished
On 12/18/2010 8:20 PM, Luis V. Romero wrote:
GOOD suggestion! While I don't swap cables, I just flip
one switch on
the serial selector switch, but this is a good thing to
know... Does
this mean that I can use K3-EX CONCURRENTLY with N1MM via
Router on a
separate com port, Joe
Hi all:
Is 4r22 firmware the latest software or is there another newer revision?
I installed 4r22 today and I find that the auto notch *still* has that
annoying momentary dropout in the audio at T/R turnover that I discovered
during SS. The TX Gate function has the nice ramping decay in this
revision 4.25 in field test -- it has the auto notch fix. We should
be going to beta test with this revision shortly, but I'll send it you now.
73,
Wayne
N6KR
On Dec 13, 2010, at 5:32 PM, Luis V. Romero wrote:
Hi all:
Is 4r22 firmware the latest software or is there another newer
revision
?
Hi Luis,
We have revision 4.25 in field test -- it has the auto notch fix. We should
be going to beta test with this revision shortly, but I'll send it you now.
73,
Wayne
N6KR
On Dec 13, 2010, at 5:32 PM, Luis V. Romero wrote:
Hi all:
Is 4r22 firmware the latest software or is there another
Yup, that's true, but I can show you my transmitted waveform and tell you
that I dont extend very far from 2.3-2.6KHz wide ever... My audio goes no
lower than 180Hz and no higher than 2750Hz if my former TV station's
Spectrum Analyzer is correctly calibrated.
But of course you're right! Maybe
All:
I have the Koss headset that Joe W4TV illustrates from New Egg. It cost me
$23 last year from Full Compass (Yet another headset? But it was on Sale!
I couldn't resist!). Mine is labeled SB-40. Its absolutely and EXACTLY
IDENTICAL to my CM-500, in every detail, except for one important
-0800
From: Jim Brown j...@audiosystemsgroup.com
Subject: Re: [Elecraft] Yamaha CM500
To: elecraft@mailman.qth.net
Message-ID: 4ce6ccb6.70...@audiosystemsgroup.com
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
On 11/19/2010 5:48 AM, Luis V. Romero wrote:
when I travel to NQ4I, where my
Joe:
Ahhh, Product Marketing/Management. I miss it so. :)
Very bad design with slick marketing.
You mean it was designed by Sony Broadcast? :)
Your points are dead on. But I think there is more. It may be that in the
next two years, they will be able to offer you the upgraded TS590S(G)
All:
In SS this weekend, I noticed something new with my K3:
When attempting to transmit a low power tune signal (I'm set for 10 watts
out on tune) below, say 3.520, the power out and swr meters begin to
oscillate wildly. Going above 3.520, everything looks and works normally.
If I key the
No way!
Now that I know how to avoid the pops, I will work around them until SS CW
is done and THEN backrev to 4.14. APF is addictive. Even with the
ringiness, it works wonders on the ESP QRP signals on 15m.
Don't need good SSB audio until the 20th. I'm sure Lyle will have it fixed
by then
Guy:
I am admittedly not a CW maven, I'm sort of a CW duffer, but your comment
kind of baffles me:
-
At this point, I have no means of duplicating that in the K3. This is
NOT the same as running narrower bandwidth. If I narrow bandwidth,
then I don't hear the off-frequency callers,
Don:
Thanks for the tip on the NR and Dual Passband! Never thought about doing
that! Just tried it. The only thing is that its not variable, which is
sometimes useful in a contest pileup. And you can change the pitch, but,
like my previous post about Icom's pitch, you have to remember to set
Jim:
My trusty 10 year old Yamaha YST-M101 powered speakers on my computer
(purchased at Fry's in Sunnyvale!) have never received any RFI at up to 600w
pep here at my station. Maybe it's the (guffaw!) Active Servo Technology
in them that does it, eh? :)
For non powered speakers, I have an
Or, he could scour E-Bay for a Kahn Symetra-Peak!
-lu-w4lt-
Message: 37
Date: Tue, 05 Oct 2010 17:39:37 -0700
From: Jim Brown j...@audiosystemsgroup.com
Subject: Re: [Elecraft] K3 Feature Request
To: elecraft@mailman.qth.net
Message-ID: 4cabc549.6000...@audiosystemsgroup.com
Content-Type:
Yes, that is exactly what I understand now. The GRANULARITY of the display
is higher or lower depending on the s;oce of bandwidth selected and
displayed on the screen. The narrower the slice, the smaller the
granularity. I thought the P3 was like the old fashioned external VFO units
that took
I'm with Pete:
4 messages is a bit constricting (I have the same problem with WinTest).
Also, in a Multi op situation, when the new operator logs on with Control-O,
and if you have them pre-record their messages like I do, each operator's
personal messages in his/her own voice are recalled by
I'm with Joe on this:
microKEYER has nothing to do with the K3DVR system! Personally, I don't own
a K3DVR, I don't need one, I have a microKEYER and N1MM (even N3FJP ACLog
has a built in DVK via the computer!)
Part of this audio level gaga is that few take the time to set all the
levels
, Luis V. Romero lrom...@ij.net wrote:
Some quick questions (yeah, I know I said I would stop, but I cant
help it, I want to understand!)
...a Pre-DSP two band audio leveler/AGC and handles for Attack, Decay
and
Ratio on the RF Clipper.
That is, prior to Digital Signal Processing, or before
Some quick questions (yeah, I know I said I would stop, but I cant help it,
I want to understand!)
...a Pre-DSP two band audio leveler/AGC and handles for Attack, Decay and
Ratio on the RF Clipper.
That is, prior to Digital Signal Processing, or before analog is converted
to digital.
Where
I wrote that statement, Jim:
I'm just stating my opinion that, in the big picture, the price point for
the KPA500 seems a bit on the high side for what you get. Now seeing
photos, its certainly better looking than my ALS600. And the build quality
is probably better than my Ameritron product,
I agree:
I can get an ACOM 1010 (admittedly, with a tube) around (below) that that
price with the handy TRI tuning and 800w to do the same thing, with
paperclip reliability to boot.
Also, an ALS600 with the Linear Power supply, AD5X Full Break In mod and an
external bandswitching accessory
Pardon the interruption, but while watching this interesting thread as a
gasp! ex Product Development Manager with a shudder
engineering/operations background, I have a little itty bitty, teensy weensy
question on your proposed use case scenario:
|If I hear someone that is answering my CQ, but is
If you want this, its already out there. :)
I purchased a 600w solid state kit amp, actually, it was a kit amp by
happenstance. A brand new Ameritron ALS-600 that I had to do final QC on and
replaced the original Slow-as-Moses TR relay with the AD5X full QSK micro
switch board.
It's a wonderful
Ruben (et. al.):
De ninguna manera, por favor, no use el MicroHAM Router para cambiar la
software en el K3. Sin ninguna excepcion, microHAM no suporta usar el
Router para hacer esto y es muy posible danar el K3 en esta manera. Si
usted utiliza el sistema microHAM Router en esta manera, lo hace
Julian:
Welcome to the world of computer planned obsolescence!
PCI-E cards are still expensive as PCI-E has not made much of an inroad in
PC architecture yet. More in Mac than PC. Also, the specs for PCI-E cards
have not shaken out yet. So there are quite a lot of variables in the
quality
Phil:
Does anyone use an MFJ-998 IntelliTuner with their K3 that includes the
ATU?
Yes, I have one along with an ALS600.
If so, does the K3 interface to the MFJ-998 in a supported fashion where
the tune
button on the K3 would control the MFJ-998 instead of the internal tuner.
No, but I have
Barry:
The name is Lu. W4LT is my call sign.
I suspect you will have a choice... Hearing non processed audio in real
time, or hearing processed audio with a 31 milisecond delay. The laws of
Physics are hard to bend...
-lu-
-Original Message-
From: Barry Simpson
Maybe its all the years of listening to headset conversations for work and
dealing with IFB and ProChannel delay issues, but it comes as news to me
that there is a delay in the K3 audio monitor output for either SSB or CW!
If its there its very slight.
I'm really picky about things like that and
Wayne and All:
Lots of material here that I agree with. My additions would be:
- NR settings recalled by mode.
When switching from CW to SSB, the NR settings from the last time the mode
were used are recalled when the NR is activated. Recall if the NR was on or
off from the last time the
The ALS600 manual says that the rear apron control sets the control voltage
for the ALC and the front panel control fine tunes it. You could probably
set both of these full open, but I chose to set them mid way. The ALS SET
pot on the front of the amp can be turned counter clockwise and the
Kudos to Al for supplying these settings that make my K3 #3192 sound almost
identical to my TS570D (albeit, into different speakers, but lets not open
up THAT can of worms)!
-Lu-W4LT-
From: Al Lorona alor...@sbcglobal.net
Cc: elecraft@mailman.qth.net
Sent: Saturday, December 19, 2009 3:40 AM
I have had Phil's QSK kit in my ALS600 (before the article appeared in QST)
for almost a year now with *WONDERFUL* results. Perfect QSK! It makes this
amplifier a real pleasure to use on CW. Took about an hour to install in to
the amplifier and was extremely simple to make. I purchased Phil's
All:
I don't hear a POP, but I do sense that what is going on is that the DSP
settings are being flushed between settings when you tweak the controls.
There is a short mute when the settings are changed, then the audio comes
back up. It also mutes when you press the encoders to change from HI/LO
Ian:
I dont 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
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
I see your point. :)
At the sake of being too simplistic, here is *my* point:
Yes, but more like:
User opens application by double clicking the icon
User selects the Configuration tab from the tab group
User selects the Export Program Settings box
Software raises selection form Save Export
Lyle:
Just installed the two hardware mods and the 3.24 Beta Firmware. I was most
interested in the DSP system modifications.
The DSP parameters are now really good for SSB. No more raspy peakyness
like before, very smooth and very effective, especially on 40 and 80 loaded
with QRN that we
No rocks need to be hidden under.
As a former TS850 owner and a current TS570 owner, in addition to my new
K3/100, I would agree that this functionality is needed. The knob on my
former 850 was getting on the wobbly side after years of use for this
purpose... Its extremely handy and would be a
All:
Am I correct in assuming that I *MUST* perform at least the Tuning Noise
Reduction hardware mod before installing 3.24 Beta and checking out the new
DSP NR enhancements?
The Automatic Front End Protection mod release notes say that the firmware
checks for the mod and ignores the change if
Thanks, Lyle:
I barely hear the noise on 6 and I want to try the DSP enhancement, so I
will upload the firmware in a few and give it a go. Good time for testing
DSP here in Florida tonight with thunderstorms all around. But I will
eventually install the mod just to keep the system up to latest
Testing the list - please disregard
-lu-w4lt-
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