communications · FREE READING
Choose a communication backup
A radio works best when people agree how they will use it.
Write down who needs to communicate, the distance involved and the equipment each person will carry.
Check local radio rules and your equipment manual. Test a permitted channel and a scheduled check-in in ordinary conditions.
Keep charging, spare batteries and a written contact schedule with the radios. Do not assume range advertised on a box is reliable at your location.
Keep a copy you can open.
One small HTML reading file. Opens in a browser without extra software. No maps or personal records included; source links need internet.
Save this small HTML reading file to your Desktop or USB. Reopen the actual file with internet disconnected. Source links require internet; maps and private records are separate.
Choose and save free guides →Phone and desktop setup →Sources and limits
These are original planning prompts informed by the references below. Check current local instructions and equipment manuals. This guide does not provide treatment, diagnosis, electrical certification or a readiness guarantee.