ARPA Target functions · 361
Target display dialog for Reference Target consists following information:
· Targets number and its status
· Status can be Query, Tracking or Lost.
· Position
· CPA and TCPA
· Distance and true bearing from own ship
· RefNum, which is the number of reference target in the current Reference Target file
· LifeTime, which shows how long the target has been used as reference target without a break
in tracking. A long life time indicates a good reference target.