lbarchivesf2

double glass pane sensor

A & B: importing was accomplished using taped and realtime Shure 635 microphones and Shadow sensors. Both amplified local and distant ambience from adjacent contexts using these inputs. Outputs could be directed to either (A) or (B). Additionally, UTC/GMT syncs allowed for the playing back at different dates/times. To accomplish these sound-in-sound transfers a four track Sony cassette and a TEAC reel-to-reel recorder were used to convey all soundings of a woods edge and aspects of an adjacent meadow. Realtime tests using the four mic amplifications required on-the-fly monitoring to lessen any g back through one or both layers.

listening site: birch roots during high winds w/solid glass rods sensed by an accelerometer coupled to a femto-amphere amplifier loaned by Don Olson UMD (physics)

"Ground truth refers to information that is collected "on location". In remote sensing, this is especially important in order to relate image data to real features and materials on the ground."

focusing on Sensor * above

initially, the concentricly placed sensors in this drawing were 1-heat, 2- strain, 4- vibrations, with the four shown here. In 3- I was questioning whether there should be a pH reading element added?, and *5-called for outputing from a triaxial accelerometer, with the analog result having been muxed and demuxed for sonic/sonogpraphic soundings and display.

tree coring

Sketch Demodulated analog Metrologic laser relayed perturbances to the passed around laser beams caused by insects, earth rumbles, rain and birds- while simultaneously being received by the radiometer for monophonic output soundings.

Helium filled aluminum mylar balloons, LAYERS ALOFT (Updated Vee projects of 1970-72)

each balloon monitored an area of approximately 2 square of space

26 FM radio "channels" were needed to make ascent and descent recordings and for playing back

like any balloon lift off, cool still nights are the best for this project

Modes: recording - to FMradio/listener&recorder

The single balloon carried a Velcroed soft solar array, 1 Watt styrofoam speaker, noise cancelling stereo mike, 2 Watt amplifier chip, and FM transmitter/receiver inputs and outputs were a part of the kite-nylon guying cable system. The outer covering required a soft edge to effectively minimize mechanical vibrations from being picked up via the mike line.

playback - per-balloon syncronism was not possible during rise or descent; however, I imagine a time shifting occuring upwind, and the technology for compensating-synchronizing was not available.

Preliminary Proposal for PS1, NY, 1978

Post competition words: Dennis Oppenheim later told me when we met at his show in Minneapolis that he thought such a project could not be feasable and executed.

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