; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KAT500 Anomalies
Lyn,
I think you are 'getting caught up in the semantics' - let me try a
brief explanation.
Once the tuner knows the proper L/C combination for each frequency bin,
it will switch to those settings in MAN mode. It will NOT try
If you have listened to the VARA signal, you know it consists of a series of
tone frequencies sent in sequence. That could very well be driving the KAT500
nuts in AUTO mode. Training and then MANUAL is the solution. GL!
73, Brian, K0DTJ
> On Nov 23, 2020, at 12:53, Lyn Norstad wrote:
>
> Tod
"Once the tuner knows the proper L/C combination for each frequency bin, it
will switch to those settings in MAN mode. It will NOT try to autotune. If you
switch to a different antenna on that particular antenna port, you will have to
'teach' the tuner again, which means going back into AUTO mo
Lyn,
I think you are 'getting caught up in the semantics' - let me try a
brief explanation.
Once the tuner knows the proper L/C combination for each frequency bin,
it will switch to those settings in MAN mode. It will NOT try to autotune.
If you switch to a different antenna on that partic
"How does it adjust the matching values without retuning? "
I believe the distinction is between selecting a solution that already exists
in one of the bin's 6 memory locations or deriving a new solution by
executing an autotune sequence.
73,
Andy, k3wyc
"Every time you 'teach' a value into the bin (one per antenna port), it
overwrites the previous value(s) so no, you won't run out of memory."
Right, the memory allocation - 6 solutions per bin - doesn't change but these 6
solutions could be for any of the 3 antenna ports. There is not a bin
al
s, NK7I
Sent: Monday, November 23, 2020 3:33 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KAT500 Anomalies
The short answer is you 'teach' the tuner on each 'bin' frequency what
the settings are for a good match (with each antenna, each on it's own
antenna port)
The short answer is you 'teach' the tuner on each 'bin' frequency what
the settings are for a good match (with each antenna, each on it's own
antenna port). Then you put the tuner into manual mode; which still
adjusts the matching values as the frequency changes BUT disables the
retune feature
I've been using the KPA/KAT500 Combo for a bit over a year, and while there
have been a couple issues with the KPA, the KAT has been fine for all this
time. I operate various digital modes frequently (i.e.: FT8, JS8, Winlink,
etc.) so I often return to the same frequency on each band.
Today,
Okay, the pin 4 to pin 8 jumper fixed it.
Thanks Don and others.
Wes
On 11/22/2020 1:09 PM, Don Wilhelm wrote:
Wes,
Download the XG3 manual and look near the end (just before the schematic) and
you will see the wiring for a substitute for the KXSER cable. Build one and
plug it into one of
"Has anyone ever used real RS232 signal levels into one of these, or does it
actually only work with USB?"
The KAT500 will accept either TTL or real RS-232 voltage levels. The KAT500
serial data transmitter is not RS-232 compliant (swings between zero and +12 V)
and may not work with a true RS-
Okay Don,
Thanks, will do.
Wes
On 11/22/2020 1:09 PM, Don Wilhelm wrote:
Wes,
Download the XG3 manual and look near the end (just before the schematic) and
you will see the wiring for a substitute for the KXSER cable. Build one and
plug it into one of your RS232 ports.
73,
Don W3FPR
On
Wes,
Download the XG3 manual and look near the end (just before the
schematic) and you will see the wiring for a substitute for the KXSER
cable. Build one and plug it into one of your RS232 ports.
73,
Don W3FPR
On 11/22/2020 2:59 PM, Wes wrote:
Somehow I misplaced the data cable used to con
Somehow I misplaced the data cable used to configure the KAT500. As I recall I
had the USB version but since I have more RS232 ports than USB ports available
these days I ordered what I thought would be a replacement.
https://www.amazon.com/gp/product/B06Y98F6D5/ref=ppx_yo_dt_b_asin_title_o00_s0
Hi Don,
Good idea, thanks. I will do just that. My station is due for a total
rebuild in the next month, and I will be implementing a patch panel for
all connections... That should take care if the issue if that is it...
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Exami
Dave,
In that case (no relay clicks), I would examine all connections in the
feedline carefully.
My thinking is that there is something that changes conduction quickly
(slightly bad connection) when power is applied.
If it starts again, see if it continues when running into a dummy load.
73,
Hi,
Thank you for the response... I was running the tuner in MAN mode... I
did the tuner training a while ago... No relay clicks are associated
with the SWR jump.
Interestingly enough, the entire issue seems to have ceased happening...
I am sure it will come back, as I have seen it befor
Dave,
Are you running with the KAT500 in MAN or TUN?
After you have trained the KAT500 to the antenna (see the manual for the
bin sizes for each band), you should switch it to MANual. That will
keep it from trying to TUNe when you first transmit.
73,
Don W3FPR
On 11/18/2020 2:56 PM, Dave Co
Hi,
I have a quick question regarding operation of my KAT500 tuner. I have
a K3 feeding a KPA500, feeding the KAT500, feeding a 6BTV vertical which
is tuned up well, and can run with the tuner in bypass, and keep SWR
below 1.7:1 on all bands...
If I am using the KAT500 as a tuner, and I wat
Hey guys,
I have a need for a while to use an automatic antenna switch on fully
resonant antennas.
The KAT500 works great with an interface to my flexRadio to change
antennas for me at specific bands.
If I keep the tuner in full bypass mode, but just use it as an
automatic switch, do you forsee
Gordon:
> On Oct 10, 2020, at 12:56 PM, Gordon LaPoint wrote:
>
> Barry,
> Thanks for the comments and hints. I'm using the KAT500-Remote Version
> 1.0.15.0 software over the internet to a remote system in a different town.
> This is NOT the utility software, it allows for hosting a KAT50
Barry,
Thanks for the comments and hints. I'm using the KAT500-Remote
Version 1.0.15.0 software over the internet to a remote system in a
different town.
This is NOT the utility software, it allows for hosting a KAT500 over
the internet for control by multiple clients, a different progra
Andy,
Thanks, but I'm trying to use KAT500-Remote Version 1.0.15.0 from
the Elecraft Web site, under "Logging, Control and Remote Software for
K-Line & KX-Line". This allows for hosting a KAT500 over the internet
for control by multiple clients. The actual commands sent to the tuner
are h
Gordon:
I know you’ve received several e-mails pertaining to your query. Hopefully, my
comments below will be helpful...
> On Oct 9, 2020, at 2:13 PM, Gordon LaPoint wrote:
>
> I use the KAT500 remote software and it works great. I have only one problem
> with it, I can not tell if the power
"Someone on another group mentioned sending P; to the KPA500 would turn the amp
on provided to main power switch was on. Can you confirm that?"
The power on command is P not P;
>From the programmer's reference -
"BootLoader Command Reference
The KPA500 uses single character commands when in bo
Does anyone know what the max safe power through a KAT500 in BYPASS mode
is? It's not in the manual as far as I can find.
Thanks,
73 Eric WD6DBM
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Help: http:
Andy,
Thanks, but I'm not using software I wrote. I'm using the remote
software from Elecraft, and that is the software I'm talking about not
seeing if the power is on or off. I was hoping that I was just missing
seeing something.
Gordon - N1MGO
On 10/9/2020 20:56 PM, Andy Durbin wrote
Hi Andy,
Someone on anothergroup mentioned sending P; to the KPA500 would turn the amp
on provided to main power switch was on. Can you confirm that?
Reason is I want to make sure the Node Red flow I had mentioned is programmed
correctly.
I use Wake on Lan with the KPA1500 successfully.
Thank
Sorry - cut/paste error - should be:
If a KAT500 is powered but off it will respond to command ps; with PS0;
If a KAT500 is powered and on it will respond to command ps; with PS1;
If a KAT500 is not powered it will not respond to ps;
Andy, k3wyc
From: Andy Durbin
"I use the KAT500 remote software and it works great. I have only one problem
with it, I can not tell if the power is on or off."
If a KAT500 is powered but off it will respond to command ps; with PS0;
If a KAT500 is powered and on it will respond to command ps; with PS1;
If a KAT500 is not power
wo2x
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of Gordon LaPoint
Sent: Friday, October 9, 2020 2:13 PM
To: Elecraft Reflector
Subject: [Elecraft] KAT500 remote
I use the KAT500 remote software and it works great. I have only one problem
with it, I can not tell if the
I use the KAT500 remote software and it works great. I have only one
problem with it, I can not tell if the power is on or off. This matters
because when the remote site looses power the state of the KAT500 is
unknown and the program does not indicate if the power is ON or OFF. Is
there a way
GL!
Ken
WA2LBI
On Mon, Sep 14, 2020 at 7:53 AM Dave Cole wrote:
> Hi ken,
> Added the dummy, no problems, so it is the antenna... Also, given it is
> a 6BTV with the 18 meter add on, and all other bands work, it is not the
> feedline...
>
> This makes it simple to fix! It is either a brea
Hi ken,
Added the dummy, no problems, so it is the antenna... Also, given it is
a 6BTV with the 18 meter add on, and all other bands work, it is not the
feedline...
This makes it simple to fix! It is either a break with the laws of
physics as we understand them today-- or a connection has c
Thanks Ken... That is the next step... Now I need to locate one...
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist
ARRL Asst. Director, NW Division, Technical Resources
On 9/13/20 4:24 PM, Ken Winterling wrote:
When you have issues like this t
That helps triage the issue... Something in my antenna must have gone
wonky... I am using a 6BTV, with the 18 Meter add on kit, so the same
feedpoint is used for all bands, and they are fine... I was worried it
was the tuner. I'll go check the antenna out tonight, and in the
morning as well
When you have issues like this the best test is to use a known good dummy
load. That removes the antenna system from the equation. See what happens
on 18mHz when transmitting into the summy load.
Ken
WA2LBI
On Sun, Sep 13, 2020 at 6:58 PM Dick Dievendorff wrote:
> When unpowered the KAT500
When unpowered the KAT500 is bypassed, ANT1.
When the ATU is in mode BYP, yes, it’s bypassed.
73 de Dick, K6KR
> On Sep 13, 2020, at 15:52, Dave Cole wrote:
>
> Hello,
> My KAT500 which worked yesterday, now shows a 3:1 on 18 MHz., only. Antenna
> is a single feedline to a 6BTV, and an anal
Hello,
My KAT500 which worked yesterday, now shows a 3:1 on 18 MHz., only.
Antenna is a single feedline to a 6BTV, and an analyzer says all is good
at low power. At 100 watts, all seems good.
All other bands seem OK at high power.
Question: When in bypass, is the entire tuner bypassed?
Ques
qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Gordon LaPoint
Sent: Thursday, September 10, 2020 1:53 PM
To: Elecraft Discussion List
Subject: [Elecraft] KAT500 Remote software help
I'm using the KAT500 with the remote software. Is there any
documentation of the command line switches f
Manual mode.
73
Lyn, W0LEN
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Gordon LaPoint
Sent: Thursday, September 10, 2020 1:53 PM
To: Elecraft Discussion List
Subject: [Elecraft] KAT500 Remote software help
I'm usin
I'm using the KAT500 with the remote software. Is there any
documentation of the command line switches for this software?
I have it set to start on bootup, connecting to a specific port at the
correct baud rate, it works, but switches the tuner from manual mode to
auto mode.
How do I preven
I'm running a remote station using a KAT500 and KPA500 setup. I start
the kat500-Remote.exe program on system boot, with a batch file using
the commands:
rem Run the KAT500 remote control server, with parameters
cd C:\Program Files (x86)\Elecraft\KAT500 Remote\
start /MIN KAT500-Remot
Problem solved. I had not set up a password in the for the host on the main
pc copy of the remote software and then had not entered a password in the
remote notebook copy of the software. Once I did that I am now able to
control the KAT500 from the remote notebook computer.
73 Paul w2eck
On Thu,
I have installed the KAT500 software on both my main shack PC and on to a
Win10 Notebook I use for remote ops. I want to be able to change antennas
on the KAT 500 from the Notebook PC. So I start the Remote software on the
shack PC, configure the Host data and then connect which it does. Then
star
No I didn't try to reload the firmware. I was afraid that if the EEPROM was
damaged, a firmware update might not be successful, and leave me with an
inoperative (bricked) KAT500. According to their web page, Elecraft is not
servicing KAT500's due to COVID-19 limited operations. Currently, ou
You mention that you ran the "KAT500 Configuration Software"
but you didn't say that you tried to reload the firmware.
Have you tried to RELOAD the firmware? If you didn't reload
the firmware, then I would suggest that you give that a try.
73, Ken K3IU
~~
"I ran the KAT500 Configuration Software, and verified that ANT 3 is configured
for use on all bands but 6m. The configuration SW "Operation" tab could not
select ANT3 either (the K3 was turned off). "
What was the KAT500 mode when you tried this? I have observed, and reported,
that antenna
Our club K3 is connected to a KAT500, which is connected to 3 antennas (ANT1:
Zero-Five vertical, ANT2: DXCC fan dipole, ANT3: 135ft doublet. Yesterday I
was using the K3 on 6 meters with ANT 1 and ANT2, which were not designed for 6
meters. The KAT500 was able to tune for a low SWR, and the T
"Once you turn it OFF with the front panel switch, it needs to be turned on
the same way. After that, yes the utility is fully functional."
I suspect the serial connection is getting confused and not properly
reconnecting in the power up/down situation. I see that between the K3 and
the Win4K3 su
be of more concern if it indicated an actual failure of
something physical (my KPA has been in to service twice in its first year).
73
Lyn, W0LEN
-Original Message-
From: Jack Brindle [mailto:jackbrin...@me.com]
Sent: Tuesday, June 23, 2020 9:35 PM
To: elecraft@mailman.qth.net
Cc: l...@ln
t OFF with the front panel switch, it needs to be turned on
>> the same way. After that, yes the utility is fully functional.
>>
>> 73
>> Lyn, W0LEN
>>
>>
>>
>> -Original Message-----
>> From: Jack Brindle [mailto:jackbrin...@
om
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KAT500 Remote software and KPA500 remote software
Let's see if we can determine why you are seeing this behavior. What platform
are you using (Window, Mac, Linux), and exactly what is the scenario and
conditions you are seeing? In o
brin...@me.com]
> Sent: Tuesday, June 23, 2020 5:16 PM
> To: l...@lnainc.com
> Cc: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] KAT500 Remote software and KPA500 remote software
>
> Take another look. You should be able to power on/off the KPA500 using the
> front po
t: Tuesday, June 23, 2020 5:16 PM
To: l...@lnainc.com
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KAT500 Remote software and KPA500 remote software
Take another look. You should be able to power on/off the KPA500 using the
front power button as well as through the KPA Utility. The Util
Lyn, W0LEN
-Original Message-
From: Jack Brindle [mailto:jackbrin...@me.com]
Sent: Tuesday, June 23, 2020 5:16 PM
To: l...@lnainc.com
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KAT500 Remote software and KPA500 remote software
Take another look. You should be able to power
to use the other front panel controls (including STANDBY/OPERATE),
> just not the ON/OFF power button.
>
>
>
> 73
>
> Lyn, W0LEN
>
>
>
>
>
> -Original Message-
> From: Lyn Norstad [mailto:l...@lnainc.com]
> Sent: Tuesday, June 09, 202
Lyn, W0LEN
-Original Message-
From: Lyn Norstad [mailto:l...@lnainc.com]
Sent: Tuesday, June 09, 2020 3:42 PM
To: 'Gordon LaPoint'; 'elecraft@mailman.qth.net'
Subject: RE: [Elecraft] KAT500 Remote software and KPA500 remote software
If you're running Wind
...@mailman.qth.net wrote:
Date: Tue, 9 Jun 2020 14:44:30 -0400
From: Gordon LaPoint
To:elecraft@mailman.qth.net
Subject: [Elecraft] KAT500 Remote software and KPA500 remote software
Message-ID:
Content-Type: text/plain; charset=utf-8; format=flowed
Can these remote software's be in host mode on st
0 1:45 PM
To: elecraft@mailman.qth.net <mailto:elecraft@mailman.qth.net>
Subject: [Elecraft] KAT500 Remote software and KPA500 remote software
Can these remote software's be in host mode on startup? I run a remote
and would like to have them connect to the hardware and be in host mode
on bo
;>
>>> 73
>>> Lyn, W0LEN
>>>
>>> -Original Message-
>>> From: elecraft-boun...@mailman.qth.net
>>> <mailto:elecraft-boun...@mailman.qth.net>
>>> [mailto:elecraft-boun...@mailman.qth.net
>>> <mailto:elecra
riginal Message-
From: elecraft-boun...@mailman.qth.net <mailto:elecraft-boun...@mailman.qth.net>
[mailto:elecraft-boun...@mailman.qth.net <mailto:elecraft-boun...@mailman.qth.net>]
On Behalf Of Gordon LaPoint
Sent: Tuesday, June 09, 2020 1:45 PM
To: elecraft@mailman.qth.net <mailt
"P can be sent with the Utility "command tester"
or press "ON" on the utility "Operate" page.
BTW - My first reply overlapped with Jack's. In case of conflict believe him
not me.
Andy, k3wyc
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Elecraft mailing list
Home: http://mai
"But keep in mind that the KPA Utility will not connect to the KPA500 unless
the amp is first powered on"
That may be a bit misleading. Depends on what you mean by "powered on". I
consider the KPA500 to have 4 states:
Not powered
Powered but off
STBY
OPER
The utility can be connected to KPA
@mailman.qth.net>] On Behalf Of Gordon LaPoint
> Sent: Tuesday, June 09, 2020 1:45 PM
> To: elecraft@mailman.qth.net <mailto:elecraft@mailman.qth.net>
> Subject: [Elecraft] KAT500 Remote software and KPA500 remote software
>
> Can these remote software's be in host mode on startup?
dows 10, search "Startup Apps."
73
Lyn, W0LEN
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Gordon LaPoint
Sent: Tuesday, June 09, 2020 1:45 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KAT500 Remote s
Can these remote software's be in host mode on startup? I run a remote
and would like to have them connect to the hardware and be in host mode
on boot of the computer. Right now I just log on remotely and start
each one as needed.
Thanks,
Gordon - N1MGO
Fixed. tnx to VE7ZD for the answer. ANT2 and ANT3 were disabled under
Config tab. Checking those boxes - and checking the box indicating All
Bands - did the trick.
/Bill, K2PO
On Sat, Jun 6, 2020 at 11:26 AM Bill Conwell wrote:
> I've had the KAT500 for years, but never had occasion to use A
I've had the KAT500 for years, but never had occasion to use ANT2 or ANT3.
I now want to put a second antenna on ANT2, but find the front panel ANT
button seemingly inoperative. The tuner stays on "1" regardless of pushing
the ANT button, and regardless of the AUTO/MAN/BYP mode. I've tried with
t
I am looking for good cond used KAT500 and KPA500
--
Sent from: http://elecraft.365791.n2.nabble.com/
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Post: mailto:El
On Fri, Apr 3, 2020 at 11:43 AM DAVID INGEBRIGHT wrote:
>
> I have a KAT500 ATU that I want to remote control over the home network and
> over the internet when I'm at the winter QTH. I can run the 500 connected to
> my local laptop with the Eleraft-supplied usb cable. Now I'd like to run it
>
I have a KAT500 ATU that I want to remote control over the home network and
over the internet when I'm at the winter QTH. I can run the 500 connected to my
local laptop with the Eleraft-supplied usb cable. Now I'd like to run it
remotely. Bought a Lantronix serial server
https://www.lantronix
" I also think that I could build a modified null modem for the KPA500 with a
couple of diodes to connect the KAT500 RX input and KPA500 RX input in
parallel. Then, when the KPA500 polls for frequency info both the KPA and KAT
will get the data. Sounds like a good "shelter in place" project. Bri
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net On
> Behalf Of Jeff Hughes
> Sent: Saturday, March 21, 2020 10:18 AM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Elecraft KAT500/KPA500 PowerCombo only Partially
> Compatible with Modern Kenwo
ughes
Sent: Saturday, March 21, 2020 10:18 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Elecraft KAT500/KPA500 PowerCombo only Partially Compatible
with Modern Kenwood Rigs
Just a little public service announcement that the Elecraft KAT500/KPA500
PowerCombo is only partially compatible w
"Neither the Kenwood TS-890S User Manual nor the Kenwood TS-890S In-Depth
Manual make mention that their VFO’s A and B implement slightly different
character streams."
The implementation of FA and FB character streams is identical except for the
use of "B" instead of "A". Both reliably and con
"I have no information one way or the other, but I suspect the KPA1500 also
suffers from this issue."
To the best of my knowledge KPA1500 extracts the TX frequency from IF, FA, and
FB just like the KPA500 does. I do not believe it has the "FA only" limitation
of the KAT500.
73,
Andy, k3wyc
__
Tablet
Original message From: Jeff Hughes
Date: 3/21/20 1:17 PM (GMT-05:00) To:
elecraft@mailman.qth.net Subject: [Elecraft] Elecraft KAT500/KPA500 PowerCombo
only Partially Compatible with Modern Kenwood Rigs Just a little public service
announcement that the Elecraft
Just a little public service announcement that the Elecraft KAT500/KPA500
PowerCombo is only partially compatible with modern Kenwood radios. To whit…
the PowerCombo works with VFO A, but not VFO B.
Most modern rigs come with dual VFO’s, of course. And many come with outright
dual receivers
To: Elecraft
Subject: Re: [Elecraft] KAT500 antenna selection
Deja Vu.
Virtually none of the U.S. manufacturers after WW-II (with some
exceptions) included 160-meters in their transmitters or ham-band only
receivers for at least three reasons: 1) LORAN precluded use in some
parts of
st wish it also covered 630, but apparently "shame on me" for even
suggesting there might be a feature or two that could be beneficially added.
73
Lyn, WØLEN
-Original Message-
From: Bob McGraw K4TAX
Sent: Saturday, March 07, 2020 1:27 PM
To: elecraft@mailman.qth.net
Subject: R
ve 630m?
73
Lyn, WØLEN
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rick Bates, NK7I
Sent: Saturday, March 07, 2020 7:39 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KAT500 antenna selection
I'll submit that
630m is a 7-KHz wide band. Probably not requiring an auto-tuner.
Most on 630m will be running a very short antenna in terms of
wavelength which usually incorporates a large loading coil in series.
My 630m antenna is an Inverted-L 43 by 122 feet and I have a base
coil to ground which tunes ou
...@mailman.qth.net] On Behalf Of Andy Durbin
Sent: Saturday, March 07, 2020 11:10 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KAT500 antenna selection
The KAT500 has continuous frequency coverage for saving and selecting tuning
solutions and is not constrained to amateur band limits. Howe
Saturday, March 7, 2020 09:10
To: elecraft@mailman.qth.net
Subject: [Elecraft] KAT500 antenna selection
The KAT500 has continuous frequency coverage for saving and selecting tuning
solutions and is not constrained to amateur band limits. However, the
antenna selection can only be defined for the amateu
"I didn’t say “set the operating frequency.” I said “tuning it.”
I have complete manual control over L, C, and C side without transmitting. I
can, therefore, set a tuning solution for any frequency bin within the KAT500
frequency range without transmitting. I can also recall a stored tuning
s
Andy
I didnt say set the operating frequency.
I said tuning it.
73
Lyn, WØLEN
From: Andy Durbin [mailto:a.dur...@msn.com]
Sent: Saturday, March 07, 2020 1:22 PM
To: elecraft@mailman.qth.net; l...@lnainc.com
Subject: Re: [Elecraft] KAT500 antenna selection
"
ubject: Re: [Elecraft] KAT500 antenna selection
For gosh sake, there are published specifications for the KAT500. Page
2 of the manual. If you are trying to use it outside of the published
specification then you are accepting the role of a very under paid
design engineer.Talk to your boss a
Lyn, WØLEN
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Andy Durbin
Sent: Saturday, March 07, 2020 11:10 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KAT500 antenna selection
The KAT500 has continuous frequency cover
"Also keep in mind that tuning it on "off band" frequencies requires that you
transmit a signal of at least a minimal value ... which is technically not
legal."
No that's not true. The KAT500 can be set to any frequency within its
operating range by sending it the frequency on the serial bus u
: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Andy Durbin
Sent: Saturday, March 07, 2020 11:10 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KAT500 antenna selection
The KAT500 has continuous frequency coverage for saving and selecting tuning
solutions and is not
The KAT500 has continuous frequency coverage for saving and selecting tuning
solutions and is not constrained to amateur band limits. However, the antenna
selection can only be defined for the amateur bands.
Does the KAT500 simply use the antenna selection defined for the amateur band
closest
Sorry for the inadvertent premature posting. I'll try again -
After I had posted my observations on the behavior of KAT500 "Tune on QSY"
option I suggested to an owner of a TS-890S, KAT500, and KPA500 that he should
try disabling the QSY option as it might cure his annoying re-tunes during
t
Please ignore previous post. It was inadvertently send before editing was
complete.
Andy, k3wyc
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December 17, 2019 I posted the following"
"I've had my KAT500 for about 18 months and I thought I had come to know it
quite well. Today I found something that surprised me.
The KAT500 utility has 2 "Memory Recall on Tune" options, one for MAN mode and
one for Auto mode. My understanding was
I've had my KAT500 for about 18 months and I thought I had come to know it
quite well. Today I found something that surprised me.
The KAT500 utility has 2 "Memory Recall on Tune" options, one for MAN mode and
one for Auto mode. My understanding was that, if these options were not
enabled, the
"I would then question the electrical stability of the 160M antenna. In other
words, why and what is changing?"
I change it. Changes include the total length, feed point position, and the
feed point matching L and C values. It's an experimental antenna.
One would not expect to make many D
If adjustments are required several times a week for the 160M antenna, I
would then question the electrical stability of the 160M antenna. In
otherwords, why and what is changing?
I see very little change in mine, wet, dry, ice, or snow. Usually I find
it to be 1:3:1 or less across the band,
"Extremely easy to do manually and stable."
It is only because my 160 and 80 m OCFD is being modified frequently that I
decided to develop the auto trainer. It takes multiple actions to tune a
single bin and there are 20 bins for 160 m. If a multi-step task needs to be
done infrequently the
: Re: [Elecraft] KAT500 auto trainer
I didn’t find it a challenge at all. I started on 160M and finished on 6M all
in about an hour. Those values are still good some 1 year later.
It is really nice to operate 160M - 6M at 500W (except 60M & 30M) and only
change the frequency on my K3S. Not
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