noise monitoring

airport noise monitoring

noise and flight path monitoring installation (NFPMI)

noise measurement for monitoring purposes

noise monitoring system

border monitoring

boundary monitoring and analysis

communications monitoring

crisis situation monitoring

fallout monitoring station

monitoring arms implementation and compliance activity

monitoring equipment

monitoring immune response

monitoring party

OSCE Special Monitoring Mission (SMM) to Ukraine

passive-tracking monitoring station

radiation monitoring

radiological monitoring

radiological monitoring and survey

sanctions monitoring

shipping monitoring

situation monitoring

United Nations Monitoring, Verification and Inspection Commission (UNMOVIC)

monitoring body

central control and monitoring system (CCMS )

retention index monitoring

area monitoring

celestial monitoring

ground monitoring

inflight monitoring

electronic automatic control and monitoring device

engine reliability monitoring study group

flight path monitoring system