Quick Answer
A reliable GPS backup involves storing maps and coordinates digitally, using a dedicated compass or other standalone navigation tools, and setting up a satellite-based messaging system. These methods provide a redundant means of navigation in case of electronic device failure.
Digital Map Storage
Storing maps and coordinates digitally allows you to access navigation data through a computer, smartphone, or dedicated GPS device. Use cloud storage services like Google Drive or Dropbox to store your maps and coordinates. This method also allows you to transfer maps to other devices if needed. Consider using services like Gaia GPS or Maps.me, which allow you to download maps for offline use.
Standalone Navigation Tools
A dedicated compass or standalone navigation tools like a Suunto or Brunton compass can provide reliable navigation in case of electronic device failure. These tools use magnetic and directional references to determine your location. Always learn how to use them effectively, and practice navigating with them before relying on them in a survival situation.
Satellite-Based Messaging Systems
Setting up a satellite-based messaging system like a Garmin inReach or DeLorme satellite communicator provides a means of emergency communication and navigation. These devices use satellite signals to send and receive messages, allowing you to communicate with emergency services or loved ones. They often come with built-in GPS capabilities, enabling you to track your location and receive navigation data.
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