# ROVL Coordinate Systems and Angles

- [Definitions](/c/ethernet-rov-locator/rovl-coordinate-systems-and-angles/definitions.md)
- [NED or "Compass" vs. ENU or "Math" Angles](/c/ethernet-rov-locator/rovl-coordinate-systems-and-angles/ned-or-compass-vs.-enu-or-math-angles.md)
- [Math to Compass Frame Conversions](/c/ethernet-rov-locator/rovl-coordinate-systems-and-angles/math-to-compass-frame-conversions.md)
- [Transducer Down Orientation](/c/ethernet-rov-locator/rovl-coordinate-systems-and-angles/transducer-down-orientation.md)
- [Transducer Up Orientation](/c/ethernet-rov-locator/rovl-coordinate-systems-and-angles/transducer-up-orientation.md)
- [Receiver/Transceiver Orientation Frames](/c/ethernet-rov-locator/rovl-coordinate-systems-and-angles/receiver-transceiver-orientation-frames.md)
- [Best Operating Envelope](/c/ethernet-rov-locator/rovl-coordinate-systems-and-angles/best-operating-envelope.md)