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Operation | HS60 GPS Compass User Guide
Transmitted messages
PG No.
(PGN)
Description
Default
Update
Rate
(msec)
Freq.
(Hz)
126992 System time
The purpose of this PGN is twofold: to
provide a regular transmission of UTC time,
date, and to provide synchronism for mea-
surement data.
1000 1
127250 Vessel heading
Heading sensor value with a flag for True or
Magnetic. If the sensor value is Magnetic,
the deviation field can be used to produce
a Magnetic heading, and the variation field
can be used to correct the Magnetic head-
ing to produce a True heading.
100 10
127251 Rate of turn
Rate of change of the Heading.
100 10
127257 Attitude
Provides a single transmission that de-
scribes the position of a vessel relative to
both horizontal and vertical planes. This
would typically be used for vessel stabiliza-
tion, vessel control and on-board platform
stabilization.
1000 1
127258 Magnetic variation
Message for transmitting variation. The
message contains a sequence number to
allow synchronization of other messages
such as Heading or Course over Ground.
The quality of service and age of service are
provided to enable recipients to determine
an appropriate level of service if multiple
transmissions exist.
1000 1
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