BasicB-002-009-002
What is an azimuthal map?
C
Answer
Licensing, station identification, and operation
Type
A
A map projection centred on the magnetic North Pole
B
A map projection centred on the geographic North Pole
C
A map projection centred on a given location
D
A map projection displaying Maidenhead grid squares
Answer Notes
An azimuthal map (or azimuthal equidistant projection) is a specialized map projection that is centered on one specific location, which is typically the user's home station. It displays the true heading (azimuth) and distance from that center point to any other point on Earth.
This type of map is incredibly useful for amateur radio operators using directional antennas, such as Yagis. By looking at the map, an operator can determine exactly which compass direction to point their antenna to maximize signal strength toward a specific country or region.
Distractors suggesting the map is centered only on the geographic or magnetic North Pole are incorrect, as the true value of an azimuthal map for hams is its customization to their exact operating location, allowing them to instantly find beam headings.
Previous · B-002-009-001
What is a "QSL card"?
Next · B-002-009-003
While making a contact in a VHF contest, the other operator asks for your grid square. What information is requested?