Infrasonics Program
A. J. Bedard Jr., R. T. Nishiyama (CIRES), S. A. Pezoa (STC). R. Craig (CIRES) and R. Bloemker (STC)

Instrument Developement
[Instrument Development]
Accomplishments
Design and test of spatial filter
New sensor design
[Instrument Development]
Impact: Improved wind noise reduction
ETL / Review / Infrasonics Program / Figure: Instrument Development, Nuclear Test Ban Treaty, Severe Weather, Avalanche Detection, Earthquake Detection