Nmearot (ascii), Table 157: rot message output format – NavCom Sapphire Rev.J User Manual
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Sapphire Technical Reference Manual Rev. J
323
2.70 NMEAROT (ASCII)
SF-3050
Sapphire
SF-3040
Supported Output Rate:
OFF
ONCE
OnChange
OnTime
OnChange
= based on [PROCESSRATE]
OnTime
= highest rate licensed
This output stream reports Rate of Turn and direction of turn. This message is only valid when
the receiver is an MBRTK rover, when it is in one of the RTK navigation modes, and when the
baseline is good.
The reported rotation rate is an average of the last 3 seconds of rotation rate calculations. If the
rotation rate is less than one rotation per hour, the rate is reported as 0 degrees per minute.
The output format for this message is described in the Table 157.
Table 157: ROT Message Output Format
Field #
Field Name
Description
F1
Rate of return
Degrees per minute, negative = bow turns to port
F2
Status
A = data valid, V = data invalid
Example:
$GNROT,488.2,A*29