SIGINT
Signals Intelligence:
Is the interception of transmissions that can provide information on the type and location of transmitters, such as hand-held radios. Signals intelligence (SIGINT) consists of several categories. Communications intelligence (COMINT) is directed at the analysis of the source and content of message traffic. Electronic intelligence (ELINT) is devoted analysis of non-communications electronic transmissions. This would include telemetry from missile tests (TELINT), or radar transmitters (RADINT).