Links out
Resource library
62 annotated links to agencies, standards bodies, nonprofits, tools and forums. Most of them go somewhere we neither own nor earn from, which is the point.
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- Established nonprofitTrainingFree tier
American Heart Association CPR (opens in a new tab)
American Heart Association
CPR guidance and class finder, including hands-only CPR, which takes ninety seconds to learn and works. Start with the free video if the class cost is the blocker.
- Established nonprofitNonprofitFree tier
ARRL, the national association for amateur radio (opens in a new tab)
ARRL
Licensing information, band plans, technical references and a club finder. Much of the genuinely useful material is free without membership, including the band plan and the exam session search.
- Established nonprofitStandard or rulesFree tier
Wilderness Medical Society (opens in a new tab)
Wilderness Medical Society
Published practice guidelines for care when definitive help is hours away. The guidelines are written for clinicians, which is exactly why they are worth citing over a blog kit list.
- Practitioner or communityToolFree tier
CalTopo (opens in a new tab)
CalTopo
Serious topographic mapping with printable outputs, slope shading and fire history layers. The free tier prints a good paper map, which is the version that works with a dead phone.
- Practitioner or communityDataFree tier
RadioReference (opens in a new tab)
RadioReference
Frequency database for public safety, aviation, rail and business bands. The scanner community's reference, and the fastest way to find out what your local agencies actually use.
- Practitioner or communityDataFree tier
myGMRS (opens in a new tab)
myGMRS
GMRS repeater directory with access requests, plus an active forum. Many GMRS repeaters need permission before use, and this is where you ask.
Know something that belongs here? Send it over. We check every link on a schedule and remove anything that goes dark. Three of these entries are our own projects and are labelled as such.