[K3] S/N 45## low power out and ATU not tuning properly?

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[K3] S/N 45## low power out and ATU not tuning properly?

Nr4c
This started several years ago at a FD. Brought home and worked perfectly.  took to another outdoor event and same thing. Works at home not at events.

Pulled KPA3 out and applied Deoxit and worked connectors in/out several times and replaced KPA3. Worked well thru two FDs and number of other events.  And as main radio after selling my K3S last summer ($ for K4D). Took down and packed it up for FD about 6 weeks ago and replaced it with an IC-7300 till the K4 arrives.

This AM it started again at FD!  

Could this be an LPA issue instead of the KPA3 issue?  Can’t remember if my KPA3 has gold pins or not.

Help!

Sent from my iPhone
...nr4c. Bill

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Re: [K3] S/N 45## low power out and ATU not tuning properly?

Nr4c
No. At field it’s batteries. At home an Astron 35m linear or any or several switchers.

The field setup may be one or two AGM batteries. Nominal voltage 12-12.8 volts.  At home it’s 14.1.

Sent from my iPhone
...nr4c. bill


> On Jun 28, 2020, at 10:06 AM, rich hurd WC3T <[hidden email]> wrote:
>
> 
> Same power source?
>
>> On Sun, Jun 28, 2020 at 08:20 Nr4c <[hidden email]> wrote:
>> This started several years ago at a FD. Brought home and worked perfectly.  took to another outdoor event and same thing. Works at home not at events.
>>
>> Pulled KPA3 out and applied Deoxit and worked connectors in/out several times and replaced KPA3. Worked well thru two FDs and number of other events.  And as main radio after selling my K3S last summer ($ for K4D). Took down and packed it up for FD about 6 weeks ago and replaced it with an IC-7300 till the K4 arrives.
>>
>> This AM it started again at FD!  
>>
>> Could this be an LPA issue instead of the KPA3 issue?  Can’t remember if my KPA3 has gold pins or not.
>>
>> Help!
>>
>> Sent from my iPhone
>> ...nr4c. Bill
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [hidden email]
> --
> 72,
> Rich Hurd / WC3T / DMR: 3142737  
> Northampton County RACES, EPA-ARRL Public Information Officer for Scouting
> Latitude: 40.761621 Longitude: -75.288988  (40°45.68' N 75°17.33' W) Grid: FN20is
>
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