# Outgoing Message Formats, Tracker 650 to Host

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