🔍 Key Concepts

• How an Electronic Bearing Line (EBL) is displayed on common radar sets • The difference between bearing (direction) and range (distance) on radar • What it means to reference a line from own ship versus fixed references like heading or true north

💭 Think About

• On a radar, when you place or rotate an Electronic Bearing Line, what are you lining up that line with? Think about what the two endpoints of that line represent. • Which radar function is normally used to measure distance to a target, and which is used to measure direction or bearing? • Ask yourself: does an EBL stay fixed to true north or your heading, or do you usually swing it around to line up with a particular radar contact?

✅ Before You Answer

• Be clear on the difference between bearing vs heading vs north reference. • Recall that range rings or VRM (Variable Range Marker) are usually used for distance, not the bearing line itself. • Verify whether an EBL is always aligned with ship’s heading, with true north, or if it can be rotated to point at a chosen target.