Your location
- Coordinates
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- Input resolved as
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Calculate the initial beam heading between two stations using grid squares, coordinates, or 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.
Home station, portable setup, or first grid square.
DX target, contest station, or second grid square.
Use example paths to test beam headings quickly.
Marker-to-marker short-path preview for the resolved stations.
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.
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.
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.
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.
Yes. Grid squares are one of the main inputs this tool is built for. You can enter Maidenhead locators directly, or use coordinates and location lookups when you do not know the grid yet. If you need to resolve the location first, use Grid Square Lookup and then reopen the same endpoints here.
No. The short path is often the first choice, but propagation, time of day, latitude, and geomagnetic conditions can make another direction more productive. Some DX paths open better long-path at certain times. This tool gives you the geometry first; the final operating choice still depends on current band behavior.