Does the kat500 have static discharge gizmos?  If so, could they go bad?

> On Jul 16, 2025, at 6:02 PM, Fred Jensen via Elecraft 
> <[email protected]> wrote:
> 
> You might want to put a good ohmmeter on your Cantenna.  They left the new 
> market quite awhile ago, mine measured 105 ohms and I "canned it" a few 
> months ago.  It was vintage 1967 and also responded to tipping the can some.  
> The load resistor in them will deteriorate over time, much faster if it's run 
> hot for a period.  Have never had a problem with the KAT3 ATU, my K3 is S/N 
> 642.  I had a KPA500 and KAT500 for some time, discovered that it takes 
> around 20-25 W to tune reliably.
> 
> 
> 73,
> 
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
> 
>> dave ingebright via Elecraft <mailto:[email protected]>
>> Wednesday, July 16, 2025 9:40 AM
>> Two Elecraft tuners (main and spare) are finding erratic solutions on all 
>> three antenna outputs. It's driving me crazy due to both exhibit the same 
>> problem. It will find a solution one day, but not the next, or an hour later 
>> on the same or a different band. New coax, cantenna verifies.
>> If I connect the cantenna to the end of the coax next to the antenna, same 
>> condx. Then I go back to it and it's OK. I left the cantenna connected when 
>> troubleshooting a few days ago, and went on the next day (and forgot) with 
>> it still connected and made contact with AA1SU in Essex Junction, VT! 20m
>> What does that mean? Hello Heathkit -That big resistor in a paint can full 
>> of oil made a 2000-mile QSO? (well it was on a hill hihi) Had a good tune 
>> and the KPA helped with 3db)
>> I am talking to the Elecraft forum. But expect no real results except some 
>> sympathy. I bought the second tuner (KAT500) 2-3 yrs ago because the repair 
>> service was so slow. I think these are good tuners but maybe they get tired. 
>> Troubleshooting Note: When ants are conn to the radio's ATU, the tune is 
>> normal...
>> I need remote tuners that will tune my multiband dipoles and operate with a 
>> remote client.. You guys know how hard it is to troubleshoot intermittents. 
>> Plus I bought three all-new coax cables (~100') due to I was eliminating 
>> everything, and they were 6yrs old and mostly underground in PVC water pipe. 
>> (I am too cheap to buy PVC conduit. hihi)
>> //dave
>> WB7ELY
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[email protected]
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [email protected]
> 
> 
> 
> --
> This email has been checked for viruses by AVG antivirus software.
> www.avg.com
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[email protected]
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [email protected]

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [email protected] 

Reply via email to