Roads and Airports Dept - Airport Noise and Operations Monitoring System

The purpose of the Noise and Operations Monitoring System (NOMS) is to mitigate noise impacts to the communities surrounding the County airports by monitoring and recording aircraft radio communications to help determine conformance with noise abatement procedures at Reid-Hillview Airport and San Martin Airport.

The current NOMS technology being utilized is the Digital Loggers, Model F24 USB Audio Logger.

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Board of Supervisors


Surveillance-Technology and Community-Safety Ordinance

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