January 2016
Beginner to intermediate
430 pages
22h 38m
English
Content preview from Radar and ARPA Manual
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366
RADAR AND ARPA MANUAL
Target ship
course 045° (T)
speed 14 kn
045° (T)
' 'Limits of true vector
after
3
min
After
3
min
True speed 14 ± 0.8 kn
_
_
083° (T)
Rel. vector
limits
after 3 min
Target's relative
course = 090°
speed 10 kn
Relative speed
Correct value
1 n mile
10
kn
-._! Ä Observing ship course 000°
S speed 10 kn
Figure 9.2 Test scenario 2
After
1
min
between
9.4
and
10.6
Rel. vector
-limits
after
1
min
-0.97° (T)
After
3
min
between
9.7
and
10.3
Target: bearing 045°; relative course 225°; relative speed
20 kn.
Test scenario 4 (Figure 9.4)
Own ship course 000°; own ship speed 25 kn; target
range 8 n mile
Target: bearing 045°; relativ ...
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