Hardware
Copyright © 2015 Coda Octopus Products Ltd
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F180R MOTION Sensor User and Reference Guide
The character ‘T’ is output by the navigation system to represent that the
heading is to true north. Grid north and magnetic north are not output.
Roll of the navigation system, measured in degrees, with leading sign, leading
0’s where needed and 1 decimal place. Positive values mean that the left side
is up.
Roll of the navigation system, measured in degrees, with leading sign, leading
0’s where needed and 1 decimal place. Positive values mean that the left side
is up.
Pitch of the navigation system, measured in degrees, with leading sign, leading
0’s where needed and 1 decimal place. Positive values mean that the front is
up.
X-axis angular rate (roll rate) of the navigation system, measured in degrees/
second, with leading sign, leading 0’s where needed and 2 decimal places.
Positive values mean that the left side is moving up.
Lateral angular rate (pitch rate) of the navigation system, measured in degrees/
second, with leading sign, leading 0’s where needed and 2 decimal places.
Positive values mean that the front is moving up.
Checksum separator and checksum
3.5.2.2.11 RMC
The RMC message identifies the UTC time, status, latitude, longitude, speed over ground
(SOG), date, and magnitude variation of the position fix.
Figure 39: NMEA RMC string
UTC time of the position fix in hhmmss.ss format
Status
A = Data valid
V = Navigation receiver warning (V is output whenever the receiver indicates
that something is wrong)
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