Glossary
ArduPilot. Open source autopilot software for aircraft, vehicles and boats.
ArduSub. The ArduPilot variant for underwater vehicles.
ATAK-CIV. The civilian version of the Android Team Awareness Kit map app.
beamforming. Steering a radio beam toward a receiver with an antenna array, instead of broadcasting in all directions.
BOM. Bill of materials: the list of parts needed to build something.
CoT (Cursor-on-Target). The message format TAK uses to share positions and status.
DroneCAN. A wired messaging protocol for connecting parts inside a drone.
fiscal sponsor. An established nonprofit that holds funds and handles legal matters for a project until it can stand alone.
FreeTAKServer. An open source server for TAK.
GCS (ground control station). The computer or controller used to monitor and command a drone.
GNSS. Satellite navigation, such as GPS.
LoRa. A long-range, low-power radio technology.
MAVLink. An open messaging protocol between drones and ground stations.
MAVSDK. A software library for controlling MAVLink vehicles from code.
mesh. A network where each device relays traffic for the others, so data takes the best available path.
Meshtastic. An open source mesh messaging project built on LoRa radios.
node (tech tree). One capability on the tech tree that members can build, and that other nodes depend on.
PX4. Open source autopilot software for drones.
relay drone. A drone that carries a radio to extend range for others.
Remote ID (ASTM F3411). A standard for drones to broadcast identification during flight, as FAA rules require.
ROS 2. An open source framework for building robot software.
ROV. Remotely operated vehicle, usually underwater.
RTK. A GNSS correction method that gives centimeter-level positions.
SDR. Software-defined radio: a radio whose behavior is set in software.
SITL. Software-in-the-loop: running vehicle software in a simulator.
TAK (Team Awareness Kit). A shared map used by agencies and teams. OASA systems are designed to appear on it.
VTOL. Vertical takeoff and landing aircraft.