[Elecraft] Antennas and Output Power - KPA-1500
wb6rse1 at mac.com
wb6rse1 at mac.com
Thu Oct 15 16:22:05 EDT 2020
See p.25 of the manual. Then p.30 set ATU HiSWR RETUNE to ON for 40m.
GL - Steve WB6RSE
> On Oct 15, 2020, at 1:00 PM, Don Wilhelm <donwilh at embarqmail.com> wrote:
>
> Pete,
>
> I would say re-tune after switching with the external antenna switch.
> If you have tuned to one antenna (on a single port), and then change the load slightly (by switching to the other antenna), a re-tune is necessary.
>
> 73,
> Don W3FPR
>
> On 10/15/2020 3:17 PM, 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. Any way around that?
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