NASA NTRS · 19710000342
Communications system for zero-g simulation tests in water
Abstract
System connects seven observers, diver, and spare station, and utilizes public address system with underwater speakers to provide two-way communications between test subject and personnel in control of life support, so that test personnel are warned immediately of malfunction in pressure suit or equipment.
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Smith, H. E.. 1971-09-01. Communications system for zero-g simulation tests in water. https://ntrs.nasa.gov/citations/19710000342
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