monitoring
1. The act of listening, carrying out surveillance on, and/or recording the emissions of one’s own or allied forces for the purposes of maintaining and improving procedural standards and security, or for reference, as applicable. [JP 1-02]
2. The act of listening, carrying out surveillance on, and/or recording of enemy emissions for intelligence purposes. [JP 1-02]
3. The act of detecting the presence of radiation and the measurement thereof with radiation measuring instruments. [JP 1-02] Synonym radiological monitoring.