[Elecraft] KPA1500 RFI on 12m

[Wes N7WS]

I run a KPA500 and KAT500 into an Ppitbe

Sent from my iPhone

> On Oct 24, 2019, at 1:24 PM, Michael Walker <va3mw at portcredit.net> wrote:
> 
> Hi Eric
> 
> I think you are asking a lot for a tuner to run at any power into a
> non-resonant antenna and break a pile up.  :)
> 
> You would actually have better success with a 12M dipole then trying to get
> a non-resonant beam to direct your signal.
> 
> If I was in your shoes, I would quickly toss up a 12M dipole with some
> string and bubble gum as you would have a much higher radiated signal.
> 
> Mike va3mw
> 
> 
> On Thu, Oct 24, 2019 at 4:08 PM eric norris via Elecraft <
> elecraft at mailman.qth.net> wrote:
> 
>> My Force 12 C3 antenna is not resonant on 12m.  Using the K3 barefoot, the
>> internal atu tunes the antenna fine.  Bypassing the K3 atu, but still
>> running barefoot into the KPA1500 atu, the KPA atu loses it's mind and goes
>> in and out of TUNE mode uncommanded.  Even though the KPA has found a
>> match, trying to transmit through it at the 100w level is impossible
>> because of the constant retuning.
>> I have put my small collection of mix-31 ferrites on the antenna output,
>> input, and KPA control line at the KPA, each at a time, with no success.
>> Any ideas?  I would like to be able to run the KPA at least a few hundred
>> watts to have the proverbial snowball's chance to break the VP6R pileup on
>> 12m CW.
>> Any useful comments appreciated.
>> 73 Eric WD6DBM
>> 
>> Sent from Yahoo Mail on Android
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to va3mw at portcredit.net
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to wes_n7ws at triconet.org