The DF520 is DRT’s tactical, man-portable, circular array antenna system used with DRT receiver and transceiver systems for Direction Finding (DF). The DF520 provides frequency coverage from 20 MHz to 600 MHz with high sensitivity and excellent DF accuracy. It is rugged, light-weight, and has an integrated tripod. The DF520 has a collapsible mechanism that allows ease of deployment, storage and transport. The DF520 may be operated in a standalone mode or to augment another DF antenna system.