[VHFcontesting] KU4AB 6m Loop vs. PAR Moxon

John Geiger af5cc at fidmail.com
Thu Oct 30 13:35:15 EDT 2014


With all of this discussion about the Par Electronics stressed moxon
antenna for 6m, a quick google search shows that eople have some webpages
about how they homebrewed their own stressed moxon for 6m, but I never see
the stressed moxon design used for lower bands, like 10 and 15 meters. Is
there a reason why?  Seems like this antenna design would be a good way to
make a cheap 10m or 12m antenna and it doesn't require a boom either!

73 John AF5CC

On Thu, Oct 30, 2014 at 9:56 AM, David Pruett <k8cc at comcast.net> wrote:

> I have used the 6M KU4AB loop while roving with good performance and no
> problems.  It is equivalent in mechanical construction to the (now
> discontinued) KB6KQ 6M loops that I have at my home station.
>
> However, if KU4AB is not fulfilling orders, that's a different problem
> entirely.
>
> I *have* heard of the PAR "Stressed" Moxon coming apart at highway speeds
> in rover usage.  In stock form, the side pieces are only held in place by
> the friction of the mounting holes in the front element under mechanical
> load of the rear wire element (this is the "stressed" aspect of the
> design).  But it should be easy to remedy this is a couple of screws with
> zero impact on the electrical performance...
>
> 73, Dave/K8CC
>
>
> On 10/30/2014 8:19 AM, beamar via VHFcontesting wrote:
>
>> I was not familiar with KU4AB. So, I  went to the KU4AB website. He has
>> some interesting antennas, at good prices. The tri band antenna looks very
>> interesting. But, if he doesn't perform, it isn't very cheap or very good.
>> Maybe somebody will forward these posts to him.
>>
>> Buddy WB4OMG
>>
>> On Oct 29, 2014, at 9:04:19 PM, "Andrew Glasbrenner" <
>> glasbrenner at mindspring.com> wrote:
>>
>> From:   "Andrew Glasbrenner" <glasbrenner at mindspring.com>
>> Subject:        Re: [VHFcontesting] KU4AB 6m Loop vs. PAR Moxon
>> Date:   October 29, 2014 9:04:19 PM EDT
>> To:     "Jarred Jackson" <jarred.jackson at hotmail.com>
>> Cc:     "vhfcontesting at contesting.com" <vhfcontesting at contesting.com>
>> AJ4LU and I used one for several run and gun rover ops, covering 20+
>> grids at 70 MPH. We even turned it in motion with no issues other than
>> mounting it backwards the first time!
>>
>> 73, Drew KO4MA
>>
>> Sent from my iPad
>>
>>  On Oct 29, 2014, at 8:59 PM, Jarred Jackson <jarred.jackson at hotmail.com>
>>> wrote:
>>>   I have a 3 element yagi for 6m, but it seems a bit too much for me to
>>> take out on the rover for contests. So in May I ordered a 6m loop from
>>> KU4AB using the website. After months of waiting, a phone call, and several
>>> emails, I gave up and consider my $87 lost. But this provided the
>>> opportunity to look into other antennas and came across the PAR Moxon. The
>>> company was very responsive and the antenna performs nearly as well as my
>>> yagi. Its a bit bigger than the loop might have been, but it fits just fine
>>> on the rover mast and has some gain. I have not yet experienced 60mph
>>> highway speeds. If anyone has any experience with the PAR 6m Moxon in a
>>> rover application I would like to know if it holds up or if I should take
>>> the wire and side "sticks" off while traveling.
>>>   Jarred - KF2MR
>>>   _______________________________________________
>>> VHFcontesting mailing list
>>> VHFcontesting at contesting.com
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>>>
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