Move distance calculation to Coordinate class. Use inheritance instead of composition in Anchor class. Made Anchor class static. Use epsilon equal comparision when checking for same station: Boy, do you ever learn that sharp equal comparison of doubles is not a clever idea!?

package de.intevation.flys.artifacts.model;

import de.intevation.flys.artifacts.model.WQKms;

/** A result that delivers WQKms. */
public interface WQKmsResult {
    public WQKms[] getWQKms();
}