2. DESCRIPTION OF RADAR
2-5
2.2.4 Shadow sector
Funnels, stacks, masts, or derricks near the antenna interrupt the radar beam, and a
non-detecting sector can occur. Targets can not be detected within this sector.
Shadow sector
Wharf and its echo
Large ship
Shadow sector
occurs because
wharf is hidden
behind ship.
Size of blind sector depends
on size of obstruction and range.
Radar position
Radar position
Wharf and its echo
Shadow sector occurs
because obstruction
(like mast) is in path
of radar beam.
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