[Elecraft] Antennas and Output Power - KPA-1500

[Dick Dievendorff]

Oops!

https://youtu.be/mDZQK7OopIE

73 de Dick, K6KR


> On Oct 15, 2020, at 18:40, N4ZR <n4zr at comcast.net> wrote:
> 
> No link, Dick.
> 
> 73, Pete N4ZR
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>> On 10/15/2020 8:19 PM, Dick Dievendorff wrote:
>> It's demonstrated around the last third of this K6XX video, where K6XX shows
>> matches on antennas on the same frequency.
>> 
>> 73 de Dick, K6KR
>> 
>> 
>> -----Original Message-----
>> From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net> On
>> Behalf Of john at kk9a.com
>> Sent: Thursday, October 15, 2020 17:07
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] Antennas and Output Power - KPA-1500
>> 
>> Do you use both antennas on the same frequency?  I do not have a KPA1500 but
>> I am curious how the tuner can remember the two different settings and know
>> which trained setting to use when you switch antennas. (assuming that you're
>> not also changing frequency).
>> 
>> John KK9A
>> 
>> N4ZR wrote:
>> 
>> I have two antennas for 40M, a Carolina Windom and a full-wave parasitic
>> sloper, the latter fed through a 4:1 balun.  The 1500's tuner handles both
>> antennas nicely, and I have trained it on both of them, but when I switch
>> from the Windom to the sloper (on an external antenna switch), the output
>> power changes from ~1400 watts to nearly 1700, often triggering a high
>> current fault.
>> 
>> --
>> 73, Pete N4ZR
>> 
>> 
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