ongoing
from 04
concepts modulated laser / windribbon
_recording parabola
_columnar Oak
tree _Minnesota's
S. St Louis County FM mics
weekly windribboning
schedule contact
& CV
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Aimed skyward
between trees this four foot dish uses its epicentral
microphone to
collect sounds focused within its concavity and are output
to the FM transmitter
for DSPing at the computer.
Bob Evans uses a similar recording technique
aimed vertically to study bird flights and
.voices
during migrational overflights Gallagher, T. 1994.
Night Sounds. Birdscope, Volume 8, Number 3: 1-2.
Bob usually has
concurrent installations.top
Secured to this
oak tree are multiple vibration-monitoring sensors attached to
embedded stainless
steel pins. These
are inserted into primary, secondary, tertiary limbs and branches
and on several
main trunk positions.
Dependent upon breezes and wind gusts each will monitor all movements.
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Up to 8 FM transmitters
each tuned to as many different frequencies and these will be
positioned in near Duluth Minnesota locations. Wooded, bush and
grasses dominate the terrain which is in view of Lake Superior.
The Internet time and duration in realtime will be available at
US DST 2-4:00 AM daily from June 19th to June 29th.
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