Fernando
Many years ago I read an article in Scientific American about
building a parabolic reflector with cardboard. I finally built one so
that I could record owls with more reach. It was a 54" dish and very
hard to manage with any wind. The design worked well, but it was
somewhat like trying to find a star with a 500x telescope. It had a
very narrow acceptance angle. I never tried to scale it down but it
is possible.
When covered with several coats of shellac it is quite water
resistant.
The instructions and references are on my web page:
http://ourworld.compuserve.com/homepages/G_Kunkel/cardboard/cardboard.
htm
Greg Kunkel
--- In Fernando Gonz=E1lez-Garc=EDa
<> wrote:
> Hi, recordist. I agree with Doug. I would like to share with you
some
> experiences with my bioacustic course in the mesoamerican
countries, from
> Mexico to Panama. IN my training course, I have tried to show all
existing
> equipment for bird sound recording, including mics Sennheisser,
Shure,
> recorders (dat, md, cd, pc card, analog, etc. etc.). Of course
Parabolas,
> Roche, and Telinga. But most of participants, which are from
neotropical
> countries, of course, always be worry about the price of the
equipment. I
> remember the questions of a girl from Panama who ask me?. How could
i do a
> parabola, something similar to Telinga, but with material what a
could get
> in Panama?. HOw could we do a Parabola for people from third world
but it
> works and can do good recording?.
> REcordist with your amazing experience, mabye will be useful to
think in how
> to built a parabola to low cost. I remember Walter model?, which
could be
> interesting for our mesoamerican biologist. Maybe our experiences
could be a
> contribution to conservation and preservations of the neotropical
birds.
> Saludos from Mexico
>
> -----Mensaje original-----
> De: Doug Von Gausig
> Enviado el: Martes, 15 de Abril de 2003 10:20 a.m.
> Para: Nature Recordists
> Asunto: [Nature Recordists] For all the newbies: Equipment is
important,
> but...
>
>
> I am a little dismayed at the direction this group has taken lately
toward
> discussions of equipment almost exclusively. If I were a new
recordists
> trying to get a handle on how it's done and I read this list I
might assume
> that equipment is much more important than it really is. Mics are
> important, of course, and the recording medium matters, but what
really
> makes you a recordist is recording!
>
> Any mic feeding any medium will do the job. The most important
thing is to
> get out there in nature and start recording. Record everything you
hear -
> from the front, from the side, in the bushes, in a field, with
cassette
> tape, MiniDisc, DAT, cheap mics, stereo, whatever - just record. It
is far,
> far more important to get some experience under your belt than it
is to use
> the "right" equipment.
>
> As the ad says: "Just do it".
>
> Worrying about the right equipment and its arcane specifications is
> important only after you have developed your recording skills out
in the
> field. When you are ready for expensive equipment and pre-amps and
M-S
> stereo setups, you'll know it. For now, have fun.
>
> My 2=A2.
>
> Doug
>
>
> Doug Von Gausig
> Clarkdale, Arizona, USA
> Moderator
> Nature Recordists e-mail group
> http://groups.yahoo.com/group/naturerecordists
>
>
>
>
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