WELL SAID Jim, except that a TWENTY METER (Half Wave) Dipole
is closer to 33 ft long than 65 ft, which would work very nicely on
On Thu, 11 Jul 2002 12:52:55 -0400 "Jim White" <firstname.lastname@example.org>
> sounds like I am back on the South (Non MIT side) of the Charles
> KNOWING that doing iterations over and over again on a model and
> seeing the
> results tell you that this what you want without knowing that the
> answer is
> a reasonable one is suicidal! If you get an output from some
> software that
> tells you a 20 meter dipole is to be cut 49 foot long and you do not
> have the experimental experience to know this just ain't right you are
> one of
> those that has become too dependent on your machine as do all know
> all - and
> you are not as valuable as the guy who knows that he cuts a twenty
> meter dipole 65 or some odd feet long since he done it at Field Day for
> You put his blue collar knowledge together with computer savvy and
> you get
> someone who knows when not to waste his time on a given set of
> iterations....if it ain't close to being right it is (here is the
> key word) obviously wrong!
> I am not poo poo ing the computer by any means believe me it is a
> tool - but as the early users found it is only as good as what you
> put into
> it - it is not "all knowing" - we still need those AMATEUR radio
> guys in
> times of emergency now don't we - amazing how they can "rough" it
> and get
> damned close and with a little adjustment nail it - without even a
> Experiment coupled with theoretical models is what is the best
> combination -
> think that is why you must, for example, learn to draw with a
> t-square or
> parallel arm and a pencil and eraser before you can truly KNOW what
> you got
> in a CADD program!
> Real world guys with two tone collars (white and blue) are the
> heroes, they
> are the entrepreneurs and the legends in my book!
> Can you believe what we hear from wall street - the people in
> control, CEO's
> and Financial managers who say they didn't realize what was going on
> - what
> were they looking at printouts without a column that said "this
> can't be
> friggin' right" on it!
> Bring on the mentors and the elmers!
> Jim, K4OJ
> ----- Original Message -----
> From: "Michael Keane, K1MK" <email@example.com>
> To: <firstname.lastname@example.org>
> Cc: <email@example.com>; <firstname.lastname@example.org>
> Sent: Thursday, July 11, 2002 11:49 AM
> Subject: Re: [Towertalk] Models and real world --oops
> > On Thu, 11 July 2002, "Jim White" wrote:
> > > 8JI said
> > >
> > > "I am concerned an over-reliance on computer models that we
> assume are
> > > "absolute" has collectively given us the impression that we can
> > > predict the real world, and we are as a group losing touch with
> > > understanding how to make valid comparisons between systems. "
> > >
> > > a ham has a signature line on his e-mail with the following
> quote that
> > says
> > > it all
> > >
> > > "experience trumps theory. Dave Leeson, W6NL)
> > >
> > > AMEN!
> > Dr. Leeson wrote "... EXPERIMENT always trumps theory."
> > http://lists.contesting.com/_towertalk/1997-March/003381.html
> > There be a vast world of difference between experience and
> > which is neatly summed up in Hume's rule: "Extraordinary claims
> > extraordinary proof."
> > The methods we collectively employ for comparison seldom rise to
> > level of calibrated observations never mind controlled
> experiments. Our
> > experiences typically provide neither the precision nor the
> > necessary to invalidate the predictions of a individual models,
> > alone begin to constitute a basis for refuting the underlying
> > Extremism in the advocacy of empiricism is no virtue; moderation
> in the
> > defense of a theoretical understanding is no vice.
> > 73,
> > Mike K1MK
> > Michael Keane K1MK
> > email@example.com
> > ________________________________________________
> > PeoplePC: It's for people. And it's just smart.
> > http://www.peoplepc.com
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