> 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/tracker-650/technical-details/api/outgoing-message-formats-tracker-650-to-host.md).

# Outgoing Message Formats, Tracker 650 to Host

- [$DVPDL and $DVPDX: DVL Position and Angle Deltas Messages](https://docs.ceruleansonar.com/c/tracker-650/technical-details/api/outgoing-message-formats-tracker-650-to-host/usddvpdl-and-usddvpdx-dvl-position-and-angle-deltas-messages.md)
- [$DVNVM Non-Volatile Memory and Configuration](https://docs.ceruleansonar.com/c/tracker-650/technical-details/api/outgoing-message-formats-tracker-650-to-host/usddvnvm-non-volatile-memory-and-configuration.md)
- [Freeform Error and Informational messages ($DVTXT)](https://docs.ceruleansonar.com/c/tracker-650/technical-details/api/outgoing-message-formats-tracker-650-to-host/freeform-error-and-informational-messages-usddvtxt.md)
- [$DVKFC Kalman Filter Raw Data Support Message](https://docs.ceruleansonar.com/c/tracker-650/technical-details/api/outgoing-message-formats-tracker-650-to-host/usddvkfc-kalman-filter-raw-data-support-message.md)