Practice question

What is the primary function of the 'Sea Clutter' (Anti-clutter de mar / STC) control on a small craft marine radar?

To suppress unwanted radar reflections caused by nearby waves and sea chop around the vessel, preventing small targets from being obscured
To increase radar transmitter frequency during heavy fog
To automatically steer the vessel along the charted radar contour
To magnify distant landmasses beyond the horizon

Answer: A — To suppress unwanted radar reflections caused by nearby waves and sea chop around the vessel, preventing small targets from being obscured

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