53: Protection Level

Get information about the protection level - i.e. 95% confidence accuracy ellipse. Only supported on RTK enabled products. Used to retrieve ublox protection level information, on devices that have it.

Header

Field	Name	Description	Type
5	Method	Request a service to be perform an action Possible values: 1: SET— Set one or more values that are provided in the message payload. 2: GET— Get values for the associated message type. 3: SUBSCRIBE— Subscribe to values for the associated message type. Can be used in conjunction with other header fields to define the subscription parameters, such as Interval, Duration, Timeout, Storage Level and Message Level. If no interval is provided, messages will be sent as and when new data is available. Some data, such as GPS position, may require a set interval to be provided. 5: UNSUBSCRIBE— Unsubscribe from a previous subscription.	uint8

This is an extract of header fields that are relevant to this message type, you can find them all documented in the Headers section.

Payload

Field	Name	Description	Type	Unit
1	Valid	Indicates if the protection level data is valid	uint8
2	latitude	Protection level in the Lat direction (North South)	uint32	mm
3	longitude	Protection level in the Lon direction (East West)	uint32	mm
4	Altitude	Protection level in the Z direction	uint32	mm

Code

For convenience, the following constants can be used to reference this message type.