The work of listening, carrying out surveillance on, and/or recording the emissions of your respective own or allied forces for the intended purpose of keeping and improving procedural standards and protection, and for reference, as applicable.
The work of paying attention, carrying out surveillance on, and/or recording of opponent emissions for intelligence purposes.
The act of finding the current presence of signals, particularly electromagnetic radiation, sound, or artistic indicators, and the measurement thereof with proper measuring instruments.
The act of finding the existence of radiation in addition to dimension thereof with radiation measuring tools.
the act of watching anything (and sometimes maintaining accurate documentation of it)