Beam Heading Calculator

Calculate the initial beam heading between two stations using grid squares, coordinates, or locations.

Compare two station locations

Enter your station and target as Maidenhead grids, coordinates, or address lookups to calculate short-path azimuth, reciprocal heading, and long-path aiming context.

This tool is focused on antenna direction and azimuth. Use a distance calculator separately when you need path length.

Your location

Home station, portable setup, or first grid square.

Target location

DX target, contest station, or second grid square.

A N/A
Beam heading preview
B N/A

Address lookups use OpenStreetMap Nominatim.

Popular test pairs

Use example paths to test beam headings quickly.

Results

Beam heading
Beam heading A → B
0 °
Initial azimuth from your station
Short-path distance
0 km
0 mi
Reciprocal bearing
0 °
What the far end points back toward you
Long-path heading
0 °
Opposite departure heading around the globe

Map Preview

Marker-to-marker short-path preview for the resolved stations.

About beam heading

Beam heading is useful when you are pointing a directional antenna, planning DX calls, checking VHF/UHF paths, or working a contest multiplier. A quick azimuth estimate helps you point first, then fine-tune by ear or compare the route in Full Propagation View.

This calculator resolves each location to the center of the entered grid square or coordinate pair, then uses great-circle distance and spherical bearing math to estimate short-path and long-path headings. Reopen the same two points in Grid Distance Calculator when you want the path class and full route context.

Initial versus reciprocal heading

The initial heading tells you how to leave your station toward the target. The reciprocal heading shows what the far station would use to point back. On short paths the two can feel close to opposite, but on longer great-circle routes the geometry is less intuitive. That is why it helps to calculate both instead of assuming a simple reverse bearing.

Why beam direction still depends on propagation

A good azimuth does not guarantee a good path. Direction is only one piece of the operating decision, especially on HF where changing ionospheric conditions can favor one route and suppress another. After finding the heading, compare the same path in Grid Distance Calculator and then check Full Propagation View to see whether the band and route look realistic right now.

Beam heading FAQ

The initial heading is the direction from your station toward the target at departure. The reciprocal heading is the direction from the far end back toward you. They are related, but on a sphere they are not always simple opposites on long paths. Both are useful when two stations want to compare aiming directions.