South Eastern Amateur Radio Group
- EI2WRC Based in Waterford, Ireland. Resources, Information and Links about Amateur Radio, Propagation, DX, Repeaters, News, Packet etc. Also contains useful charts and maps and a Photo Album of out club.
BitScopes Mixed Signal Oscilloscopes
- Robust and affordable PC based mixed signal oscilloscopes for Windows, Linux and Mac. Isolated USB or networked connection to one or more PCs. Data acquisition, waveform generation and multi-user options available.
Stanford Solar Center
- Providing solar on-line activity resources for the joy of solar science exploration
How to use geophysical alert broadcasts
- User's Guide is primarily based on information made available by the United States National Oceanic and Atmospheric Administration's Space Environment Services Center in Boulder, Colorado.