Design via modeling, test, and compare is what I do for a living. I do this
for my antennas. I don't model, and not test, and not compare.
I then write articles about my antennas. 25 or 30, maybe more, I'm not
counting.
The design, test, and compare method ferrets out problems with the design,
the modeling, and the testing. Work until everything agrees. One learns how
NEC can fool you.
Dave WX7G
On Sun, Mar 7, 2010 at 11:59 AM, Guy Olinger K2AV <olinger@bellsouth.net>wrote:
> On Sun, Mar 7, 2010 at 12:56 PM, DAVID CUTHBERT <telegrapher9@gmail.com>
> wrote:
>
> > Modeling of antennas? Design, build, it works as modeled.
>
> I have all the scars and memories of wasted time that would prove
> otherwise. Take models as gospel, and it will get you sooner or
> later. Don't go investing any of my money in unverified models.
>
> With respect to the behavior of RF in and around dirt, we only have
> approximation methods. Certain persistent excellent anecdotal reports
> in antennas simply does not come out in the models.
>
> Measure, measure, measure, measure....
>
> Verify, verify, verify, verify, verify....
>
> Record, record, record, record, record.....
>
> 73, Guy.
>
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