Jeppesen Marine Workboat Navigator 1.3 - Manual (Page 118)

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Jeppesen Workboat Navigator User’s Guide
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Jeppesen Workboat Navigator User’s Guide Jeppesen Workboat Navigator User’s Guide
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12
-
Radar
Terms and Acronyms
A
Cronym
F
ull
n
Ame
m
eAning
CpA
Closest
Point of
Approach
CPA is the closest distance
that will be achieved
between your boat and the
tracked target based on
your collective speed and
direction.
tCpA
Time to
Closest
Point of
Approach
The time it takes to
reach the CPA. Time is
expressed in minutes.
rng Target
Range
The tracked target's range
from your boat.
brg Target
Bearing
The bearing of the target
in True or Magnetic.
CSe Target
Course
The tracked target's
course.
SpD Target
Speed
The tracked target's
speed.
Table 12.2 - Acronyms
CPA, TCPA, RNG, and BRG are calculated using GPS settings. Currently, CPA,
TCPA, RNG and BRG of a Radar target is shown using a hovering Tool Tip.