[TowerTalk] Testing C-3 near ground

[W0MU Mike Fatchett]

I have done this and it will give you an idea of the antenna is acting 
like an antenna. If you have a tree or some other structure, getting it 
off the ground 20 or 30 ft should give you a good idea too.

W0MU

On 9/1/2020 9:10 PM, Tom Osborne Sr. wrote:
> Hi Al
>
> What I have done is mount the beam so that the reflector is close to the
> ground and pointing upwards if possible.  Can get pretty good readings that
> way.  73
> Tom W7WHY
>
>
>
> On Tue, Sep 1, 2020 at 7:57 PM Al Kozakiewicz <akozak at hourglass.com> wrote:
>
>> I'm refurbishing an old F12 C-3 that is currently disassembled, and looks
>> like it has been for at least a decade.  The tower it is going on isn't
>> here yet and won't be for a few weeks.
>>
>> I'd like to assemble and do some testing before I put it up sufficient to
>> make sure I don't have any bad joints or assembly mistakes. Having both an
>> analyzer and a VNA, what, if anything, can I do while it is in the
>> proximity of the ground?  I'll be doing the assembly work on sawhorses, but
>> I could mount it on a 10' mast supported by a ladder after it is together
>> for testing. I don't expect to make meaningful VSWR or bandwidth
>> measurements, but since the 15 and 10 meter elements are fed parasitically,
>> it would be comforting to know that there aren't any major issues before I
>> put it up for real.
>>
>> Al
>> AB2ZY
>>
>>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk