Resources
Amateur Radio Online Tools
EchoLink allows you to connect to repeaters over the internet. The web app version allows you to use your browser without installing anything on your computer.
Service that helps predict when a satellite will pass over your location.
Map of APRS beacons that have been heard by an internet connected gateway.
Amateur Radio Apps and Services
Host a TNC or connect to a TNC over your network.
Graphical Linux APRS client.
APRS web server that aprs.fi doesn't give proper credit to. So host your own!
Opt-in service that bridges APRS packets to/from SMS text messages.
Weather
3d globe with various animated weather vizualizations.
Interactive weather map using OpenWeatherMap's own data sources.
Interactive map of lightning strikes detected by community sensors. Also a phone app that can be configured to alert when there's lightning nearby.
Weather-adjacent natural phenomena
Interactive map and list of Earthquakes tracked by the USGS.
Data about various bodies of water tracked by the USGS, including stream gauges. Some sensor data are updated in real time.
Interactive GIS map of air quality index, air particulate, and ozone levels compiled from various sources.
Simple dashboard showing air quality for a given location.
Training
First Aid/Medical
First aid, CPR, and/or AED classes that offer a widely recognized certification.
First aid, first responder, and professional medical certifications with a focus on injuries likely to occur in the wilderness without nearby medical facilities. Most courses provide a widely recognized certification with some courses providing professional medical certification.