Re: [Elecraft] K3/KAT500/XV integration

[GWK]

Jack;

In my setup, the XV is connected to 12V, but is not "on" until it is 
selected by changing the K3 to 2 meters (which, of course, is just what 
it won't do.)  The KAT500 is normally left on 24/7.  I do not use the 
"Auto" selection on the KAT500, so it can't surprise me with an unwanted 
tune.


You think a straight-through (Y) cable will work?  I'll have to make one 
and try, if I can find some DB15's.


Thanks for the info,

George

On 4/16/2020 12:58 PM, Jack Brindle wrote:

[This message came from an external source. If suspicious, report to 
ab...@ilstu.edu]

George;

That message occurs because something is loading the Auxbus when the K3 is 
powered on. Make sure that the KAT500 and the XV144 are both powered up when 
you turn on the K3. They can be powered on at the same time, but the task needs 
to be done before the K3 enumerates the Auxbus, which is done in the latter 
part of its power-up sequence.

There may be a further issue with this setup, however. Whenever the KAT500 
decides it needs to do a tune, it will disconnect the Key line from its AUXIO 
output port. This is needed to cause the KPA500 to drop out of transmit. You 
don’t have a KPA500, but you do have an XV144 connected to that port, which 
will also drop out of transmit at that time. While you probably won’t see this 
issue, it is best to use a real AUXIO Y cable (15 pins straight through between 
all three connectors) to connect both peripherals to your K3.

73!
Jack, W6FB



On Apr 16, 2020, at 5:51 AM, George Kidder  wrote:

GM,

I am trying to get my K3 - KAT500 combination (which works well alone) to accept the addition of a 
XV144 (which works well with the K3 alone).  Having to plug and unplug control cables to switch 
from HF to VHF is a non-starter.  I had hoped to pick of the control for the XV144 from the 
"AMP" socket on the KAT500, but when this is done, I get the message "turn on 
KAT500" on the K3 display, and nothing works until the plug is removed from the XV144.

I have contacted Support about this, but thought I would also see if the 
collective wisdom of this group can give any guidance.

Thanks for your consideration,

George, W3HBM (hunkered down at home in ) Bar Harbor, ME

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Re: [Elecraft] ARRL book on receiving antennas

[GWK]

We call it a "ground plane" antenna.

W3HBM

On 9/10/2018 2:48 PM, Walter Underwood wrote:

 From the official WWV site, the bottom element is a sloping skirt that also 
serves as guy wires. Sort of like a discone with the disc replaced by a 
vertical element, I guess.

"The top half of each antenna is a quarter-wavelength radiating element. The bottom 
half of each antenna consists of nine quarter-wavelength wires that connect to the center 
of the tower and slope downwards to the ground at a 45 degree angle. This sloping skirt 
functions as the lower half of the radiating system and also guys the antenna."

https://www.nist.gov/pml/time-and-frequency-division/radio-stations/wwv

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)


On Sep 10, 2018, at 11:41 AM, Jim Brown  wrote:

On 9/9/2018 7:02 PM, Wes Stewart wrote:

The WWV antennas are center-fed vertical dipoles.


Thanks for the reminder about this -- I vaguely remember reading about their 
antennas years ago.  Question -- from the description, is the feedpoint higher 
than a quarter wave above ground?  A few years ago, I did an NEC modeling study 
of HF verticals that showed that doing that improved the vertical pattern and 
seemed to suggest that it reduced ground losses. Your thoughts?

The study is here.  http://k9yc.com/VerticalHeight.pdf

73, Jim K9YC


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Re: [Elecraft] [KPA1500] Auto start KPA1500-Remote in host mode ?

[GWK]

Can you shut off the Win 10 automatic update?  You could on older 
Windows versions.


George, W3HBM

On 8/15/2018 2:43 PM, Warren Merkel wrote:
I'm looking to get the KPA1500-Remote utility to survive these darn 
Windows 10 forced reboots after Windows Update.   I can get the KPA1500 
Remote utility to auto-start FB after a reboot.


However, it doesn't remember it was in "Host Remote" mode and just comes 
up waiting for mouse clicks that will never come -- since it's on an 
unattended PC running RCForb.  I'm using it in "Ethernet" mode, though 
the KPA1500's USB cable is also connected to the same PC for RCForb.


There doesn't seem to be any command line options yet, or at least 
nothing is documented or listed from a /h, /help, or /? command line 
parameter.


Am I missing something in the setup dialogs?

Other observations:

When the "Start Hosting Remote" command button is clicked, I get the 
warning dialog: "IP Address Appears not to be a Local IP or Invalid IP..."


My IP addresses are sane as both the PC and the KPA1500  have valid 
addresses in the 192.168.x.x address space.  Could this warning dialog 
be getting in the way of the auto-start of Hosting Remote mode.


The process name shows up in task list as "KPA500-Remote", though I know 
it's really the KPA1500 version of the app.


Constructive suggestions welcomed.

KPA1500 Remote version 1.0.14.0

Warren Merkel, KD4Z


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Re: [Elecraft] [KX3] Re: OT: Massive opening on 10 and 6 meters right now...

[GWK]

Nothing heard in Maine, either.  No response to calls.  That's 6M!

George, W3HBM


On 8/2/2018 12:35 PM, Richard AG5M via Elecraft wrote:

Got the word, I'm up on 6m, but absolutely nothing being heard up here in south 
eastern WA.  Bummer...
73, Richard AG5M


On Thu, 8/2/18, Wayne Burdick n...@elecraft.com [KX3] 
 wrote:

  Subject: [KX3] Re: OT: Massive opening on 10 and 6 meters right now...
  To: "Elecraft Reflector" 
  Cc: "k...@yahoogroups.com" 
  Date: Thursday, August 2, 2018, 9:26 AM

Just worked Alabama from CA on 50.125 using 50 W

  and a hamstick dipole :)
  
  
  
  Call me a 6 m newbie, but this is my best DX on 6 yet.
  
  
  
  Wayne
  
  N6KR
  
  
  
  > On Aug 2, 2018, at 8:52 AM, Wayne Burdick

   wrote:
  
  >
  
  > Listening on 50.125.
  
  >
  
  > Wayne
  
  > N6KR
  
  >
  
  >
  
  
  
  
  
  
   
  
  
  __._,_.___
  


   
  
  
   
  
  
  
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Re: [Elecraft] KPA1500 with K3 Remote question

[GWK]

And, BTW, this was the only way to get home after the clutch bracket 
failed and left you connected.  You could start in 1st gear, and with 
care, do your shifting without the clutch.  I'm sure most of us old 
timers remember doing that upon occasion!


George, W3HBM

On 7/2/2018 1:46 PM, Bob McGraw K4TAX wrote:
Yes true and the KPA500 has a like menu to power up in Operate mode. At 
the same time, I think bringing a station up in Operate mode is much 
like starting a car in gear.  Oh by the way, older cars and trucks with 
manual transmissions, column or floor shift,  could be started in gear. 
Not usually with good outcomes either.


73
Bob, K4TAX


On 7/2/2018 10:37 AM, Brian F. Wruble wrote:

Thanks. I found it.  All good now.

On Mon, Jul 2, 2018 at 11:33 AM Paul Baldock > wrote:


    KPA1500 has a menu setting to turn on in OPERATE.

    - Paul  KW7Y

    At 07:57 AM 7/2/2018, Bob McGraw K4TAX wrote:
    >I agree as I like to check antennas before operating. Less smoke
    >comes out of the boxes that way.
    >
    >Bob, K4TAX
    >
    >
    >Sent from my iPhone
    >
    > > On Jul 2, 2018, at 9:40 AM, Wes Stewart mailto:wes_n...@triconet.org>> wrote:
    > >
    > > If it's like a KPA500, you can have it go to Operate when powered
    > on.  Menu "PWR ON = OPER"
    > >
    > > Caveat, I don't use the K3 to turn on the amp. Separate 
operation.

    > >
    > > Wes  N7WS
    > >
    > >> On 7/2/2018 7:13 AM, Brian F. Wruble wrote:
    > >> I have just installed my new KPA1500 with my K3.  I have run
    a line from
    > >> the 12V jack on the K3 ro the "remote" jack on the
    > KPA1500.  When I turn on
    > >> the K3, the KPA1500 also comes on, but in standby mode.  Does
    > anyone have a
    > >> macro for the K3 that will cause it to switch to "Operate"?
    > >>
    > >> Tnx es 73 de Brian W3BW
    > >>
    > >>        *Brian F. Wruble, C.F.A.
    > >>         The Conch Republic
    > >> "We seceded where others failed."
    > >> __
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        The Conch Republic
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[Elecraft] Running backwards

[GWK]

Reminds me of my first chain saw - I bought a demo, already assembled, 
and it didn't cut for beans!  Finally noticed the chain was on backwards.


George, W3HBM

On 4/28/2018 8:08 PM, rich hurd WC3T wrote:

At the risk of spinning this off topic, I am reminded of the lesson I
learned years ago when I drilled a through hole through the foundation for
our low voltage walkway wiring.

I wondered at the efficacy of my brand new shiny Dewalt hammer drill
because it was taking me freaking hours to go a few inches through the
concrete.  After a couple of these tortuous hours, I cursed and looked
closely at the drill - and noticed that the direction switch was on
"reverse".   Attention to detail is important in any endeavor.

On Sat, Apr 28, 2018 at 19:55 Don Wilhelm  wrote:


Ted,

The routing of the 240 volt wiring is a discussion between you and the
electrician - but there is always "a way" - even if that means drilling
through concrete (not nice, but possible).

Unless the wiring route is short, take Jim Beown's (K9YC) advice about
conductor sizes.  Large conductors are not required for the current
draw, but oversize wire will help reduce the voltage drop when current
is drawn.

Putting all shack receptacles on a dedicated circuit for both 240 volts
and 120 volts AC will help a lot with received noise in your receiver,
and will isolate your shack powering from other circuits in the house.
K9YC gives good advice on this subject, even though your electrician may
consider it overkill for Jim's recommended wire size.

73,
Don W3FPR

On 4/28/2018 2:08 PM, Dauer, Edward wrote:

Placing both PS and amp where the 220 VAC outlet is accessible is

possible; but then I wouldn't be able to see the amp while operating, which
I would like to do.  Wouldn't feel comfortable with a 1500 watt amp running
way out of sight.  It would also then be in the kitchen on a floor above.
Not aesthetically the best that way, either.


As I described in reply to one other suggestion:

The "shack" is a spare bedroom in the lowest (of three) level of the

house, which because it is built into a hillside and therefore half of it
is below grade, has 12 inch concrete walls and a six inch (as I remember
it) concrete floor covered only with a carpet and carpet pad.  The ceiling
of that room is finished as is the entire interior.  The problem with
snaking a line through the walls from the distribution box which is on a
deck above ground level is that the entire space between the inside side of
the concrete and the drywall is filled with cellular foam insulation.  It
was, when we had it built, the recommended way to go for the mountain
climate.  I did think to have a conduit put through the wall to allow
antenna feedline coax to go through; but the electrician who was there said
there is now no way to get a 220 line through the walls without major
destruction.  I might bring it overhead (between the finished ceiling of
the lower level and the floor of the next lev
  el up) but then to get it down to a usable level in the "shack" would
require a conduit running down the inside wall surface.  That may be what I
will have to do . . .
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Re: [Elecraft] OT: Grounding Question

[GWK]

Does this imply that, for RF, the width of the strap is of minimal 
importance, and that a 1/4 inch strap is almost as effective as a 1" 
strap?  It would certainly be less expensive!


George, W3HBM

On 4/25/2018 3:27 PM, hawley, charles j jr wrote:

I gave the reference. 4th edition of Terman, Electronic and Radio Engineering. 
Page 22. The chapter on skin effect. The rf current is pushed to the outside 
edge of any conductor because the rf current is distributed in such a way as to 
make most of it flow where it is encircled by the smallest number of flux 
lines. And that’s the outside edge of any conductor. The rf current in the 
center obviously would be encircled the most. Terman gives a very clear 
description if you can source his text. He states that it is not the amount of 
conductor surface, but rather the way in which the conductor material is 
arranged. And I do realize that this is a very misunderstood subject. I’m not 
saying that flat ribbon doesn’t have skin effect, but just where the rf flows. 
Much of the outside surface in the middle of the ribbon has a high resistance 
to rf. So if you are using a ribbon of wire, it would have to be much larger 
than a round wire to have any advantage.
I have the Radio Engineers Handbook also and it does not have the same chapter 
on skin effect.

Chuck KE9UW
c-haw...@illinois.edu

Sent from my iPad


On Apr 25, 2018, at 1:34 PM, Josh  wrote:

You're going to have to explain that to a whole lot of high current flat wound 
inductors & transformers.

What are you referencing? The only Terman I have handy is Radio Engineer's 
Handbook.

73
Josh W6XU

Sent from my mobile device


On Apr 25, 2018, at 11:17 AM, hawley, charles j jr  
wrote:

RF does not flow on the entire surface of flat copper tape (Electronic and 
Radio Engineering by Frederick E. Terman 4th Edition, p 22). The RF current 
only flows on the outside edges of the strip, not on the middle outside 
surfaces. Think of looking at the end of a longitudinal slice out of a solid 
copper rod.

Chuck KE9UW
c-haw...@illinois.edu

Sent from my iPad


On Apr 25, 2018, at 12:32 PM, Fred Jensen  wrote:

Sounds like you're following the rules.  You might consider flat copper tape 
instead of wire for bonding. Lightning is an RF event and currents will be 
confined to the outside surfaces of the conductors.  Consequently, the surface 
area rather than volume of the conductor is what matters most. The conductors 
on one of the original transmission lines from Hoover Dam to Los Angeles were 
hollow.





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Re: [Elecraft] Old Coax, was RG-8X

[GWK]

Those look like military surplus connectors - they were quite common in 
the 50's and probably before.  A bear to use, but solid.


George W3HBM

On 2/26/2018 6:24 PM, John Oppenheimer wrote:

The discussion about old coax reminded me of a recent acquisition. A
couple of weeks ago I went through my old childhood home in FL, just
before it was sold, to look for "stuff" from the past. The property had
a shed, which predated our home, which had old radio stuff in it when I
was young. Looked high and low for something "radio." Finally, up in the
rafters of the shed was a coil for coax with UHF connectors. It predates me.

https://www.icloud.com/sharedalbum/#B0iGhtLJ3GJNmWk

When were those connectors used? Yes, I cleaned off the crud that came
off with a damp cloth.

John KN5L
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Re: [Elecraft] Sub RX Deaf??

[GWK]

Chris,
When I built my K3 years ago, the Sub-Rx didn't work.  I found I had 
plugged the synthesizer module (KSYN3 at that time) into its socket just 
one pin off - very hard to see.  Corrected it and never looked back. 
Fortunately, no damage to the synthesizer in doing this.

So maybe?
George, W3HBM

On 2/11/2018 3:43 PM, Chris Soames wrote:
Hi Just fitted SubRx into my K3 nothing heard only background noise, no 
matter what ant configuration or other setting,

SubRx appears to be deaf?

Oh dear where to next?

Chris G0TZZ
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Re: [Elecraft] computer keying on startup

[GWK]

If the K3 is in CW mode, the computer may key the rig, but there is no 
RF output (unless you hold the key down.)  No harm, no foul.


George, W3HBM


On 10/16/2017 9:40 AM, Don Wilhelm wrote:

Doug,

The computer will "exercise" the serial port lines when it goes 
through its startup diagnostics.
So if you have the K3 PTT-KEY menu set to anything other than OFF-OFF, 
it will key the K3 momentarily.


If you are not using the PTT-KEY function, then turn it off.  If you 
are using it, the only solution is to either power the computer before 
the K3 or put the K3 into TX TEST before powering the computer.


73,
Don W3FPR


On 10/16/2017 9:25 AM, doug dietz wrote:

Guys
I know we have been over this before but I can't find it in the archive.
My computer keys my rig 3 or 4 times on startup.  It never used to do 
it so
last time this came up I didn't make a note.Sorry for the rehash but 
I need

help  Doug WD8Z

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Re: [Elecraft] Make this email list more manageable - a forum instead?

[GWK]

Keep the list as at present.  Filter on "Subject = [Elecraft] " will put 
the entire list into a file of your choice.  If we could get everyone to 
include the rig model in their subject line, we could be more specific, 
but of course we probably can't do that.


73 - George  W3HBM



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Re: [Elecraft] Flash mob experiment, right now, 28.050 +/- 5?

[GWK]

Just worked Detroit, and heard MD but have to QRT.

W3HBM, Bar Harbor, ME


On 6/12/2017 10:47 AM, Wayne Burdick wrote:

Hi all,

I’m hearing CW beacons from all over the place on 10 meters right now. 
(Supposedly some multi-hop activity on 6 meters, too.)

If you’re awake and would like to participate in a 10 meter “flash mob” 
experiment, please join me on 28.050 +/- 5 kHz. Initially, callsigns ending in 
A-L listen, M-Z call CQ (myself included).

Keep in mind this is an experiment. No rules :)

73,
Wayne
N6KR


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Re: [Elecraft] 6 meters is open

[GWK]

Band dead in Maine.

73 - George, W3HBM


On 6/5/2017 2:58 PM, Bill Johnson wrote:

Wayne, thanks for heads up.  Nothing open here in Fish Creek, WI.  Am 
monitoring 50.125.

72 & 73,
Bill
K9YEQ, FT’er for K2, KX1, KX3, KXPA100,  KAT500, W2, etc.

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick
Sent: Monday, June 5, 2017 1:54 PM
To: Elecraft Reflector 
Subject: [Elecraft] 6 meters is open

Just made a couple of 1000-watt QSOs around 50.125 (SSB and CW). Not exactly 
exotic DX, but not bad for 8 watts and a dipole at 25 feet.

If you haven’t tried 6 meters before, now would be a good time :)   See 
dxmaps.com for updated propagation info. You can set up an account to generate 
alerts via email.

73,
Wayne
N6KR


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Re: [Elecraft] Audio on K3

[GWK]

I have sometimes had similar problems.  Usually resolved by reloading 
the latest configuration file - you did save one?


George, W3HBM


On 4/30/2017 6:32 PM, louis a. ives wrote:

I powered up my K3 and discovered that the audio was very distorted.  It sounds 
as if everyone is off frequency and no amount of tuning will clear it up. I was 
using 20 meter SB and it is the same on all other frequencies except 2 meter.  
I checked all settings that I use and nothing has changed. I had no problem the 
night before and problem was found on powering up the radio today. I also use 
KPA-500 and KTA-500 with this setup.  I also checked and it is the same on both 
receivers. This unit was sent to Elecraft to be checked over and aligned about 
3 months ago and has been working great. This radio has had all updates 
installed.  Anybody have information on where to start looking for problem 
would greatly appreciated.
Thanks in advance
Buddy, KJ4ZSI



Sent from my iPhone
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Re: [Elecraft] K3 P3 and KAT500

[GWK]

Yes, it does - in general, 600 W into 10:1 SWR, 1000 W into 3:1 SWR 
(except 500 W into 5:1 SWR from 30 to 60 MHz.  This is ICAS with equal 
time on and off, 5 min max at full power.  See manual for details.


I am using a KAT500 routinely with the K3/100, and on occasion, the 
AL-80a, which can produce 600W CW or 1000 W SSB peak.  No problems so far.


George, W3HBM

On 4/27/2017 9:51 AM, KG7FYI wrote:


I have not purchased yet but I am particularly interested in the possibility
of an amplifier for my radios. I wondered if the KAT500 hundred could handle
more than 100 watts? In discussions with club members it is apparent that
some are for and others against 1000 watt amps etc. I'm curious if the
elecraft tuner has wattage limits.



-
Stan KG7FYI
--
View this message in context: 
http://elecraft.365791.n2.nabble.com/K3-P3-and-KAT500-tp7629969p7630020.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] KPA 500 vs New 1500 watt amp

[GWK]

And the reason you "need" the extra 1000 W is that the others in the 
pileup are all running max power.  A typical arms race, with tempers to 
match.


George, W3HBM

On 4/20/2017 9:39 PM, Dr. William J. Schmidt, II wrote:

Well you might consider this.  I do a lot of DXing from J6.  Typically the
pile-ups are hundreds if not more people calling once it gets going.  That 1
s-unit difference can mean the difference between working the DX or the band
going out before you do.   It's personal, right?  Kinda of reminds me of the
"I really don't need the horsepower of a corvette" argument.  Yep, maybe you
don't and we all can't be driving corvettes.  But having one SURE IS FUN!


Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ

Owner - Operator
Big Signal Ranch - K9ZC
Staunton, Illinois

Owner - Operator
Villa Grand Piton - J68HZ
Soufriere, St. Lucia W.I.
Rent it: www.VillaGrandPiton.com
Like us on Facebook!


email:  b...@wjschmidt.com


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Terry
Brown
Sent: Thursday, April 20, 2017 8:12 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KPA 500 vs New 1500 watt amp

If the new Elecraft amp is indeed 1500 watts it might be worth considering
that going from 500 to 1500 watts is only about 4.5 Db or less than 1 S-unit
in signal strength.  If I owned the KPA 500 it would be a hard sell to get
me to move to ANY 1500 watt amp.

Respectfully,

Terry, N7TB
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