> For the complete documentation index, see [llms.txt](https://docs.ceruleansonar.com/c/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ceruleansonar.com/c/rov-locator/rovl-coordinate-systems-and-angles/receiver-transceiver-orientation-frames.md).

# Receiver/Transceiver Orientation Frames

![View of Standard (one penetrator) top of Mk II Transmitter or Mk III Transceiver](/files/yqbOQA0R3QJWS1dsBerQ)

![Mk II package receiver angles. Mk III angles correspond to this.](/files/eOTyKuNhYvDm3ozzrtwo)

<figure><img src="/files/y7Az9AUssemCMBhAT4GN" alt=""><figcaption><p>Omnitrack (three penetrator) Top</p></figcaption></figure>