radio direction finder
RDF for short. An instrument that can determine the direction that a radio transmission is coming from. The RDF is used with a radio beacon to find a radio bearing to help determine the vessel's position.
radiowaves ...
radio direction finder - A receiver that accepts the transmission of a radiobeacon.
radio navigation - A method of determining a ship's position using radar; electronic piloting.
Radio direction finder.
reach
1) The point of sail on which a boat sails across the wind. On a beam reach the wind is dead abeam, 90 degrees from the course. On a close reach the wind is between about 60 and 90 degrees (also called sailing shy).
Radio Direction Finder (RDF) - Instrument used to obtain a bearing to a marine radio beacon. Radio beacons identified on the chart with signal frequency. Locate direction when signal is null, can be 5° to 10° off ...
Using a radio direction finder to steer toward a source of radio signals.
Horizon
Where the water and sky or ground and sky appear to intersect.
neap tide: a tide of less than average range, occurring at the first and third quarters of the moon. null: the compass point at which a radio direction finder's directional antenna receives the weakest signal from a given RDF station, ...
Radio beacon
A navigational aid that emits radio waves for navigational purposes. The radio beacon's position is known and the direction of the radio beacon can be determined by using a radio direction finder.
The radio beacon's position is known and the direction of the radio beacon can be determined by using a radio direction finder. Reeve Leading a line through a block or other object.
 See also: Navigation, Forward, Bow, Radio, Lines
  
|
RSS
