67' is very close to a half-wave on 40 m and a full-wave on 20 m. In
handled it on 20 m. Even if it did, the losses would be very high.
> Robert,
>
> I've found that the KX3 ATU loads up a 58' endfed wire just fine on
> all
> bands, but it can't load up everything. The 67' endfed wire I have
> (which, in theory, is very tough to load up) could be loaded up on 20
> with the K1 ATU. The KX3 ATU can not handle it.
>
> So, for your loop, depending on the size, you may or may not have
> trouble depending on the length. For a closed loop I believe you
> want to
> avoid odd multiples of half wave lengths. If the possible length you
> have is pretty inflexible and the KX3 ATU can't handle it you can try
> inserting an insulator half way around making it an open loop.
>
> 73,
> Niel - W0VLZ
> KX3 #43
>
>> Message: 21
>> Date: Tue, 24 Apr 2012 12:50:28 +0000
>> From:
[hidden email]
>> Subject: [Elecraft] KX3 ATU
>> To: "Elecraft"<
[hidden email]>
>>
>>
>> Does anyone know what the capability/efficiency of the internal ATU
>> is?
>>
>> Not talking about the wattage (its up to 20 I believe) but the
>> tuning the SWR/range
>>
>> Looking at deploying a random wire/loop so I am wondering if I need
>> a separate ATU or can the internal unit handle the range?
>> Thanks
>> Robert
>>
>> a 'kosher' ham
>> Sent from my BlackBerry device
>
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