The microsecond unit of time is used in radar applications. The microsecond represents which of the following?().
The fog is lifted, so()the radar.
Radar makes it possible and much safer for us to sail().
An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes? ()
Proper use shall be made()radar equipment.
The radar control that reduces weak echoes out to a limited distance from the ship is the().
The radar control that shortens all echoes on the display and reduces clutter caused by rain or snow is the().
An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes?().
At least()radar transponder shall be carried on each side of every cargo ship of 500 gross tonnage and upwards.
A radar contact will remain stationary on a relative motion radar display only when it is().