Amateur Radio and Emergency Communications
- Alertfind » A good description of amateur radio’s role in emergency communications.
Glossary and Definitions
- USA Amateur Radio Bands » ARRL
- Canada–US Frequency Agreements
Coax Loss Calculator
- Space Weather » Solar flares and such.
- N2YO » Satellite tracking and predictions
- AMSAT » Amateur Radio in Space
- NE.JP » Satellite Frequency List
- Space Station live
- GPS.gov » Official U.S. government information about the Global Positioning System (GPS) and related topics. GPS is operated and maintained by the U.S. Space Force.