ROU Written Exam - OOD 2023 Questions and Answers with complete solution

ROU Written Exam - OOD 2023 Questions and Answers with complete solution What does RADAR stand for? Radio Detection and Ranging What are the steps to Situational Awareness? Appraise, plan, execute, monitor, revise Name 3 purposes of RADAR Navigation, collision avoidance, situational awareness Radar helps reduce uncertainty in the collision avoidance process. What other information may be used in the collision avoidance process? VHF radio + visual contact What control would you use to reduce the clutter created by rain squalls? FTC (Fast Time Constant) What control would you use to reduce the clutter created by sea return? STC (Sensitivity Time Control) If your RADAR is not picking up known targets, what control should you check? Assume no mechanical problems. Suppression What could be the impact of improperly tuning your RADAR? Loss of targets, no detection On what two frequency bands do RADAR waves transmit? -3cm / X Band / 9500 MHz (activates RACON + SART) -10 cm / S Band / 3000 MHz What is the impact of own ship yaw on situation assessment on an unstabilized radar display? Target smear In general, is a radar range more accurate than radar bearing? Yes - RADAR Which edge of the radar range ring is used to measure range (inner or outer edge measured from the center)? Outer What are some of the factors that control the maximum distance a target can be detected? -Pulse width (power of transmitter) -Height of Antenna -Atmospheric conditions -Characteristics of Target (size, shape, texture, material) The radar's ability to discriminate between targets positioned one behind the other is primarily controlled by what factor? Pulse width - range resolution The radar's ability to generate an accurate bearing resolution is primarily controlled by what factor? Horizontal Beam width - bearing resolution About how many degrees wide is the typi