I have had the IC-7610 and the KPA500/KAT500 for over three years and it
works very well when I switch bands with the intention of transmitting. My
"nit" to pick is that the KAT500, as has been said, can not be preset by
the IC-7610 in receive. It can preset the KPA500, for all bands but WARC,
by
Yes, I believe you're right, Andy. At least the CI-V is capable of
including frequency data - but KAT doesn't read it.
The KPA does read band data, presumably from voltage.
73
Lyn, W0LEN
-Original Message-
From: elecraft-boun...@mailman.qth.net
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"Both are VERY quick to sense TX frequency. All it takes ia a dit or a tap on
the mic. All they NEED from the rig are RF and a KEY or PTT voltage or closure."
May work for you but are you using KAT500 antenna port selection? My issues
with RF detection as the primary tuning mechanism include
On 8/1/2021 12:15 PM, Andy Durbin wrote:
KPA500 only needs to know the band but KAT500 needs to know the actual
frequency within the band.
Both are VERY quick to sense TX frequency. All it takes ia a dit or a
tap on the mic. All they NEED from the rig are RF and a KEY or PTT
voltage or
73
Lyn, W0LEN
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ken Winterling
Sent: Friday, July 30, 2021 12:41 PM
To: Buck
Cc: Elecraft Reflector
Subject: Re: [Elecraft] KAT500/KPA500 with IC-7610?
Chuck,
I, too, have been us
Chuck,
I, too, have been using an IC-7610 with the KAT500/KPA500 combination for
several years. My IC-7610 TUNER jack is connected to the TUNE jack on the
rear of the KAT500 via a LDG Electronics IC-PAC-6 cable. While the TUNE
button on the IC-7610 or the TUNE button on the KAT500 activates the
hanks,
>>
>> Jack
>>
>> W4GRJ
>>
>>
>>
>> From: Michael Blake [mailto:k9...@mac.com]
>> Sent: Sunday, January 27, 2019 8:17 AM
>> To: Jack Satterfield
>> Cc: Elecraft Reflector
>> Subject: Re: [Elecraft] KAT500/KPA500 issue
>>
&
Sure sounds like an antenna problem. Check the system on a dummy load.
73
Bob, K4TAX
On 1/27/2019 7:10 AM, Jack Satterfield wrote:
After 5 years of perfect operation, now a very strange issue
Bypass SWR 3 or 4:1
KAT500 tunes to 1.3:1
Switch amp to operate, operating SBB on first voice
ater when the rain stops.
>
> Thanks,
>
> Jack
>
> W4GRJ
>
>
>
> From: Michael Blake [mailto:k9...@mac.com]
> Sent: Sunday, January 27, 2019 8:17 AM
> To: Jack Satterfield
> Cc: Elecraft Reflector
> Subject: Re: [Elecraft] KAT500/KPA500 issue
>
&g
Michael..good suggestion, will do later when the rain stops.
Thanks,
Jack
W4GRJ
From: Michael Blake [mailto:k9...@mac.com]
Sent: Sunday, January 27, 2019 8:17 AM
To: Jack Satterfield
Cc: Elecraft Reflector
Subject: Re: [Elecraft] KAT500/KPA500 issue
Jack, I had a similar thing happen
Jack, I had a similar thing happen and it turned out to be a tree branch had
grown into the antenna path and when on high power the antenna was arcing to
the tree branch. Might not be a tree branch but look for any signs of possible
arching in the antenna, feed line or connectors.
73 - Mike -
You may be right on the KPA. This sounds like a TR issue. Call tech support on
Monday and discuss it with them.
In the mean time, I may be able to help further the diagnosis - use the KPA
Utility to gather a fault log and send it to me.
I have tools that will parse the info and let me know of
Hi Jack... I hope you can prove me wrong and maybe there's a setup issue.
The first symptom is, without the amp in line (standby or simply bypassed
with a cable) everything works.
With the amp in line, sometimes (very rarely) everything works but then all
of a sudden the power out of the amp
Kevin;
Why do you think there is a problem with the KPA500? I haven’t seen anything so
far that explains that.
In addition to the protections the KAT500 provides, the KPA500 has its own set
of protections that keep
it going or place it into a safe state. The KPA can take a lot of abuse before
Thanks Dick. Info added to my KAT500 notes.
The fault condition you mentioned appears to be fault code 2 -
"Power Above Design Limit for Antenna SWR - Transmitter power exceeds the
design limit for the unmatched antenna SWR. This power limit varies with the
SWR of the antenna: 600 watts at
Andy:
If the RF power is high enough, and the bypass SWR is high enough, the ATU will
fault and interrupt the amp key line. I’m away from the code right now, but we
named this fault something like “power too high for bypass SWR”.
This is distinct from another SWR-related fault when the matched
Hi Bob:
I'm using a very similar setup and forgot to mention the 1:1 current BALUN.
The 4:1 is outside. There's about 2 feet of coax to a window feedthrough.
Then from the feedthrough to the tuner is the 1:1 BALUN. The antenna is the
80 - 10 from trueladderline.com. Been using this model for
"The ATU does interrupt the amp key line when the bypass SWR is too high AND
there is enough forward power to endanger ATU components. It’s a fault."
Dick,
I'd like to understand that a bit better. Are you saying that, with a tuning
solution that gives 1.6:1, and with that tuning solution
Bypass SWR is the SWR of the antenna, measured with the ATU bypassed.
The ATU does interrupt the amp key line when the bypass SWR is too high AND
there is enough forward power to endanger ATU components. It’s a fault.
At 3:1 bypass SWR the ATU can handle a kilowatt.
At 10:1 bypass SWR the ATU
Not necessarily. That is true for purely resistive (real) loads, but for
reactive loads with the same SWR the real part can be much different and may or
may not be matched even at <10:1.
Wes N7WS
On 1/26/2019 8:16 AM, Bob McGraw K4TAX wrote:
...
A 10:1 SWR basically says the impedance is
My station is a K3S, KPA500, KAT500. The antenna is a 250 ft center
fed wire with 450 window line that runs from the feed point on the
antenna all the way to the operating position where the 450 line
terminates into a 1:1 current balun on the shelf just above the amp and
tuner. I use a
a tune and should break the key line causing the
KPA to drop out of transmit. KB>>> Did not occur - kept output of 480 Watts
From: Jack Brindle
To: Ken B
Cc: "elecraft@mailman.qth.net"
Sent: Sunday, December 30, 2018 9:53 PM
Subject: Re: [Elecraft] KAT500/KPA500 wi
d with the KAT working properly when I change bands
Thank you Ken
From: Jack Brindle
To: Ken B
Cc: "elecraft@mailman.qth.net"
Sent: Sunday, December 30, 2018 8:28 PM
Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory cable
Great! Thanks for the detail. Table
r 30, 2018 9:53 PM
Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory cable
Let’s take a step back and make sure the KAT500 and KPA500 work properly with
RF sensing for a tune. Unplug the mini-phone plug from the KAT500. This will
leave the KAT powered from the 7600, but request
/www.ke7x.com>
From: elecraft-boun...@mailman.qth.net on
behalf of Don Wilhelm
Sent: Sunday, December 30, 2018 6:39 AM
To: backhoe...@yahoo.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory cable
Ken,
If that Send cable is the o
Ken,
If that Send cable is the only one you have connected between your Icom
and the KAT500, you need to feed a bit of RF to initiate a TUNE
The KAT500 will first look for a saved L/C combination for that antenna
and frequency and will switch to that rather than doing a TUNE.
Secondly, it
18 9:53 PM
Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory cable
Let’s take a step back and make sure the KAT500 and KPA500 work properly with
RF sensing for a tune. Unplug the mini-phone plug from the KAT500. This will
leave the KAT powered from the 7600, but requesting a tune fro
ck Brindle
To: Ken B
Cc: "elecraft@mailman.qth.net"
Sent: Sunday, December 30, 2018 8:28 PM
Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory cable
Great! Thanks for the detail. Table 2 on page 8 of the KAT500 manual should have given you the exact connection
Cc: "elecraft@mailman.qth.net"
> Sent: Sunday, December 30, 2018 8:28 PM
> Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory cable
>
> Great! Thanks for the detail. Table 2 on page 8 of the KAT500 manual should
> have given you the exact connections yo
Thank you - I followed Fig 3 on page 10 which is specific to ICOM. Yes all
cables ohm'd out with no shorts
From: Jack Brindle
To: Ken B
Cc: "elecraft@mailman.qth.net"
Sent: Sunday, December 30, 2018 8:28 PM
Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 acces
Last night I dreamed that I was pounding two ground rods into the garden. They
went in very easily.
wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)
> On Dec 30, 2018, at 5:30 PM, Jim Brown wrote:
>
> That's not nearly enough. EVERYTHING in your home must be
I can easily attest that all the grounds are bonded together in the panel.
Everything related to the station is on the same strip with a 0 ohm potential
to the ground rod
Sent from Yahoo Mail on Android
On Sun, Dec 30, 2018 at 8:32 PM, Jim Brown wrote:
That's not nearly enough.
That's not nearly enough. EVERYTHING in your home must be bonded
together -- power, telco, CATV, your antennas, and all ground rods. Two
places to learn it -- N0AX's recent ARRL book on grounding and bonding,
and my own tutorial, upon which much of Ward's book is based.
the 7600 to input on the KAP.
>
> From: Jack Brindle
> To: "backhoe...@yahoo.com"
> Cc: "elecraft@mailman.qth.net"
> Sent: Sunday, December 30, 2018 5:31 PM
> Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory cable
>
> Yeah, but we r
other connection is a
piece of LMR400 from Ant1 on the 7600 to input on the KAP.
From: Jack Brindle
To: "backhoe...@yahoo.com"
Cc: "elecraft@mailman.qth.net"
Sent: Sunday, December 30, 2018 5:31 PM
Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory ca
ory
> > Wish Elecraft was open on Monday.
> > ThanksKen
> >
> > From: Don Wilhelm > <mailto:donw...@embarqmail.com>>
> > To: "backhoe...@yahoo.com <mailto:backhoe...@yahoo.com>"
> > mailto:backhoe...@yahoo.com>>;
> >
Elecraft was open on Monday.
> ThanksKen
>
> From: Don Wilhelm
> To: "backhoe...@yahoo.com" ; "elecraft@mailman.qth.net"
>
> Sent: Sunday, December 30, 2018 8:39 AM
> Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory cable
>
ntil I change bands then it is start from the top Cleared all
> memory
> Wish Elecraft was open on Monday.
> ThanksKen
>
> From: Don Wilhelm
> To: "backhoe...@yahoo.com" ; "elecraft@mailman.qth.net"
>
> Sent: Sunday, December 30, 2018 8:39 AM
from the top Cleared all memory
Wish Elecraft was open on Monday.
ThanksKen
From: Don Wilhelm
To: "backhoe...@yahoo.com" ; "elecraft@mailman.qth.net"
Sent: Sunday, December 30, 2018 8:39 AM
Subject: Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory cable
Yes from the 7600 accessory 1 pin 3 to the kat500
Sent from Yahoo Mail on Android
On Sun, Dec 30, 2018 at 4:52 AM, Don Wilhelm wrote:
Ken,
Do you have the cable wired first to the KAT500 and then on to the KPA500?
The KAT500 must interrupt the keying of the KPA500 when it needs to tune.
Ken,
Do you have the cable wired first to the KAT500 and then on to the KPA500?
The KAT500 must interrupt the keying of the KPA500 when it needs to tune.
73,
Don W3FPR
On 12/29/2018 10:13 PM, Ken B wrote:
Thank you Don.
The pin 3 (send) did the trick perfectly. Now it works at 300 to 400
Thank you Don. The pin 3 (send) did the trick perfectly. Now it works at 300
to 400 watts out with 20 in. The problem i have now is when i switch bands the
kat will not tune unless i remove all AC power from the amp.
Sent from Yahoo Mail on Android
On Thu, Dec 27, 2018 at 11:36 PM, Don
Ken,
Look at your Icom 7600 documentation. I believe the 'keyword' may be
"Send" or Keyout or something of that nature (PTT should be an input to
the transceiver, not an output, but some manufacturers mix them up
causing confusion - check the documentation).
Connect that output from your
You'll need a KXUSB (if your computer has USB hubs) or a KXSER (if your
computer has a true RS-232 port) or make up the equivalent. These are available
from Elecraft, on the product list (www.elecraft.com/elecraft_prod_list.htm)
The KAT500 has a very limited number of LEDs and buttons for user
I have a KPA500 on my TS480 and the only hookup I have is PTT. I let the
KPA500 manage the band changes via RF sensing and I have never had an issue.
It just works as they say.
Mike va3mw
On Thu, Jan 1, 2015 at 4:26 PM, Cady, Fred fc...@ece.montana.edu wrote:
The KPA500 can be set up to
The KPA500 can be set up to either monitor the Kenwood's interaction with a
logging program by listening on the serial port or by polling the Kenwood
when you do not have a PC connected to the Kenwood. The KAT500 cannot do this
and so can just change frequencies when it measures the
Hi,
I wish to ask for a firmware change that would keep the KPA500 un-keyed
until the tune button is released on the K3 after the KAT500 has
completed a tuning cycle. I have the tuning power set to 15 W on the
K3, which ends up as 300 W out if I have forgotten to put the KPA500 to
standby
It's for this reason alone, *regardless of performance*, that as the
financial picture
dictates, I will switch all my HF gear out to Elecraft.
You really are drinking to much Kool-Aid!
Keith
--
View this message in context:
Probably. But customer service goes a long way in my book. Good thing
Elecraft has great performing products and awesome customer service.
May I have another glass please??
On Saturday, January 11, 2014, XE3/K5ENS wrote:
It's for this reason alone, *regardless of performance*, that as the
Bill,
Thanks for sharing this.
Anyway, stray rf or no stray rf, it must be solved. We'll see what the
engineers of Elecraft come up with.
73
Arie PA3A
Bill W2BLC schreef op 10-1-2014 13:09:
snip
Just for grins, I connected my faithful properly designed mil-spec 50
Ohm dummy load to
Just for grins, I connected my faithful properly designed mil-spec 50 Ohm
dummy load to antenna output connector #3 on the KAT500…..
Hi Bill,
We're making major improvements, all in firmware, as you noted. Our staff
members who have full K-Lines at home are doing extensive testing to make
On Fri, 10 Jan 2014 10:33:35 -0700, Gary McDuffie mcduf...@actcom.net
wrote:
On Fri, 10 Jan 2014 07:09:42 -0500, Bill W2BLC wrote:
I have talked to a couple of local hams with K-Lines about the problem.
They have experienced the same KAT500 retuning problem, but wrote it off
as the tuner
Although I don't have a KPA500 (still dreaming as I have to buy diapers), I
feel for those experiencing the problem.
With that said, it just goes to show Elecraft's dedication to it's
customers to try and solve whatever might be causing the issue. I don't
know of any other product line,
The 4-wire AH4 connection doesn't PTT key the amp. It has 12v, ground, Start,
which is a signal from the Icom to the tuner that is asserted when you press
the Icom tune button, and ah4 key, which is asserted by the tuner when it needs
a tune level signal from the Icom. The amp needs a separate
We'd recommend installing the current KPA500 firmware on our web site.
That's version 1.23.
73 de Dick, K6KR
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Randy Moore
Sent: Monday, January 14, 2013 8:26 AM
To:
The ultimate path from K3 to KPA500 should not pass thru pins 1, 4, 6, 7, or
8 of the cable. The KAT500 passes these pins thru from one ACC connector
to the other without otherwise using them internally. As long as one or the
other cable has these pins removed, you should be fine.
73 de Dick,
I was kind of hoping it would be in a small box with the same height like
the k3, P3, KPA500 so they could all be lined up in uniform together but I
see that won't happen. That would really look nice.
Jim KE4WY
-Original Message-
From: elecraft-boun...@mailman.qth.net
Message -
From: Jim pywac...@insightbb.com
To: elecraft@mailman.qth.net
Sent: Saturday, March 31, 2012 1:52 PM
Subject: Re: [Elecraft] KAT500/KPA500 Positioning
I was kind of hoping it would be in a small box with the same height like
the k3, P3, KPA500 so they could all be lined up
I think the KAT500 may be sturdy enough for the KPA500 to sit on top of it,
but I am a bit nervous about interrupting the air flow around the amp. I
think, during my recent discussion with Eric, he suggested it be set on, or
under, the K3. Airflow is important there too, but not as critical
The KPA500 draws in air from the top, and exhausts it out the back. So
placing the KAT500 under the amplifier shouldn't affect KPA500 air flow.
Phil - AD5X
I think the KAT500 may be sturdy enough for the KPA500 to sit on top of it,
but I am a bit nervous about interrupting the air flow around
Good to know, as I'm betting that the KAT500 is not going to weigh nearly as
much as the KPA500! Placing it on top of the amp, with three fat RG-8 cables
hanging out the back of it would (IMHO) tend to make the tuner susceptible to
tipping backwards. Locating it under the K3 is not an option at
There should be no interaction issues between the KAT500 and the KPA500 when
the KAT is under the amp. We also beefed up the KAT500 cabinet to handle the
weight of the KPA500.
Also, placing it on top of the amp does not raise amp PA transistor temp
significantly for most casual duty cycle use,
So the official word is that the KAT500 can be positioned either under, or
on top of, the KPA500. It can take the weight of the KPA500. That's good to
have settled.
Of course, now one needs to mull over what to do if you've had custom covers
made by Rose Kopp or RadioDustCovers.com... Would
Now Rose can make covers for the various stacking set ups. Two items
protected by one cover.
Nelson, K8DJC
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Post:
*Phil,
Withe bail in the up position and I imagine the light weight of the KAT-500
I wonder if the trick will be to place the KAT-500 on top either the K3 or
KPA-500 and NOT have it slide off the back?
I run portable everyday and bench top area is very limited so I am in a
quandry as to how I
*Eric,
Well that answered my concerns regarding placing under the K3/KPA-500
nicely.
Thanks a bunch.
Gary
*
On 1 April 2012 04:29, Eric Swartz WA6HHQ - Elecraft e...@elecraft.comwrote:
There should be no interaction issues between the KAT500 and the KPA500
when the KAT is under the amp. We
I would not bet on the KAT500 being a lightweight. Those large toroid
cores are heavy. Certainly not as heavy as the KPA500, but not a
lightweight either.
The KAT100 had little brackets that could be placed so as to capture the
rear feet of the K2, so maybe some similar bracket will be
The KAT500 uses steel panels for rigidity and extra weight. It won't
move around under normal circumstances.
Wayne
N6KR
On Mar 31, 2012, at 5:12 PM, Don Wilhelm wrote:
I would not bet on the KAT500 being a lightweight. Those large toroid
cores are heavy. Certainly not as heavy as the
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