Digital Compass is a simple app with both a compass and a map. It supports longitude, latitude, and direct addresses. In addition, the app includes true and magnetic north headings, a magnetic ...

A compass is an age-old tool for navigation ... they must adjust for declination in order to get an accurate heading. While this may sound like a daunting task, it is simply a matter of addition ...

the wearer can get their correct heading based on the vibrations they feel through the belt. While it does rely on having a functioning phone, a modern smartphone’s built-in compass doesn’t ...

It's no fun losing a valuable piece of dive gear to the depths, but all that is lost might one day be found—if you know how ...