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The page provides a tool to create a customized Ham Radio Az Map on the fly, with various dimensions available. It is a valuable resource for amateur radio operators to visualize and optimize pointing of directional antennas. The content includes maps for different regions, prefix maps, and world maps.

Calculate bearing and distance and Locator online with this Java application, may not work with all browser.

A list of all IOTA reference numbers and IOTA groups for the Islands On The Air award, personalised to your own QTH

This grid locator map uses Google map apis to find your QTH locator by simply clicking on the map. You can either enter your QTH locator and find the calculated distance and bearing between your QTH and another grid square.

A javascript online calculator of bearing and distances by G4VWL

Display your current Maidenhead locator with 10 digit precision. It also computes bearing and distance to a set of target locations using locator or latitude / longitude. Useful to align antennas in VHF / UHF / microwave DX activities. No network or fancy maps usage, so it can be used even in remote locations.

Bearing Info uses an extract from the VKLogger.com web site Op-Info to make it easy to find a callsign and hence bearing and distance information. It is written specifically for VK operators for use in Field Days although it could be considered a general purpose amateur radio utility, mainly for Aussies by VK4ADC

Grid Calculator allows you to calculate either a grid square locator or the latitude and longitude of a location. Grid Calculator can be used to calculate a Great Circle bearing and distance between two stations in statute miles, nautical miles, and kilometers.

Calculate distance, bearing and more between Latitude/Longitude points. This page presents a variety of calculations for lati­tude/longi­tude points, with the formulas and code fragments for implementing them.