[Elecraft] K-Line / ZeroFive Antennas

Tue Jun 29 00:53:45 EDT 2021

Hi Lou - not a problem - the flagpole / antenna will be installed in the middle of our back yard, which is fenced.

Jim

> On Jun 28, 2021, at 4:30 PM, Louandzip via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> One thing to consider with these (and any) antennas is FCC-19-126A1.  A flagpole in an uncontrolled area like an unfenced front yard or at the edge of a lot  might be problematic. 
> Lou W7HV
> .
> 
>    On Monday, June 28, 2021, 2:38:23 PM MDT, James Bennett via Elecraft <elecraft at mailman.qth.net> wrote:  
> 
> Thanks folks - seems that I’m on the right path on this one. I’m most likely going to order one of these flagpole antennas as soon as we get possession of the house and I see what the HOA wants as far as documentation. I spoke with another guy down the street who has a flagpole (not a ham) and he said they want minimal info and a small form to fill out. Got to get my post hole digger and steel bar all warmed up!
> 
> 73 & thanks again, Jim  K7TXA
> 
>> On Jun 28, 2021, at 12:27 PM, Don Roberts <don_roberts2000 at yahoo.com> wrote:
>> 
>> Not using the flagpole vertical but do use a 31 ft vertical as well as DX Commander 1/4 wave vertical and have no ptoblem with my KAT 500 or KPA 500 loading 40 to 6 meters. Have also loaded on the DX window on 75 and worked onto Europe. I have 18 radials down. Also use full wave 80 loop and hex beam. 
>> 
>> Don, W4CBS 
>> 
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>> On Mon, Jun 28, 2021 at 1:57 PM, James Bennett via Elecraft
>> <elecraft at mailman.qth.net <mailto:elecraft at mailman.qth.net>> wrote:
>> Hi Craig - Yes, understood about the radials - I’ve had other verticals before and found very good performance - providing a lot of radials are used. I’ve got no problem laying out a LOT of them, as the grass grows pretty fast here in this part of Idaho and will cover them up in no time. We'll be living in a development on the edge of a lot of farm land (no, not potatoes - alfalfa, corn, sugar beets!) - miles from the noisy city environment. All underground electric services, too. So I’m hopeful my QRN levels will be low. Right now living in an apartment complex with several hundred units. I have a Buddistick mounted on a balcony railing and have a solid S9 noise level 24x7 on my IC-705. :-(
>> 
>> I’ve also used my KAT500 for years at another QTH in CA with an 88 foot long doublet fed with 600 ohm ladder line and the tuner worked great. But I’m wondering how the KAT500 (or the K3 internal tuner) handles something like the ZeroFIve. So, hopefully someone on this list is also using one… :-)
>> 
>> 73, Jim / K7TXA
>> 
>>> On Jun 28, 2021, at 11:24 AM, Craig Smith <ac0ds at sent.com <mailto:ac0ds at sent.com>> wrote:
>>> 
>>> Jim …
>>> 
>>> How well it “works” will be almost entirely dependent on the radial system you have installed and on the local noise level.  I’d recommend at least 32 radials - as long as you have space for. On or in ground is fine.    If you do that, the performance and patterns should be approximately like the charts shown in all the handbooks for verticals over a ground plane.
>>> 
>>> If you are asking about the ability of the tuners in the Elecraft products to accommodate the mismatch on each band, that is a different question.  In general Elecraft’s tuners will handle up to a 10:1 SWR. 
>>> 
>>> 
>>> 73  Craig  AC0DS
>>> 
>>> 
>>> 
>>> 
>> 
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