SCSU Radio Astronomy
- Reports progress on their small-dish projects with resource links.
- http://www.draco.scsu.edu/radioastro.html

Radio-Sky Publishing
- Provides software (some free), books, and hands-on projects within areas of Jupiter, the Sun, Pulsars, and other areas.
- http://radiosky.com

The European Radio Astronomy Club
- Observations, workshop, groups, telescopes and images, and radar links.
- http://www.eracnet.org/

Amateur Radio Astronomy
- Construction of the antenna, system descriptions, objectives, typical results, and references.
- http://www.signalone.com/radioastronomy/telescope/

EME, SETI, Radio Astronomy, DSP, and Radio Amateurs
- Dedicated to building bridges between amateur groups and the promotion and preservation of weaksignal communication.
- http://www.nitehawk.com/rasmit/

Big Ear Radio Observatory
- No longer in operation, and includes a beginner's guide, facility and equipment information, press releases, and slide shows.
- http://www.bigear.org/

Basics of Radio Astronomy
- Workbook developed to support training for the Goldstone-Apple Valley Radio Telescope, but can be applied to all.
- http://www2.jpl.nasa.gov/radioastronomy/

Amateur SETI
- Equipment information with images, software and manual, formulas, javascript calculator, readings, sample data plots, glossary, and links.
- http://php.indiana.edu/~foxd/

UKARA Net
- Amateur radio astronomy mainly for, but not limited to, the United Kingdom, providing information for beginners, project ideas, articles, and downloadable archive material.
- http://www.ukaranet.org.uk

National Radio Astronomy Observatory
- Current events, public outreach, very large array, VLA expansion project, and very long baseline array.
- http://www.aoc.nrao.edu

SETI Research & Community Development Institute
- A non-profit organization dedicated to the search for extra-terrestrial intelligence. Located in Brisbane, Australia.
- http://www.seti.org.au

JupiterRadio
- Dedicated to observing and analyzing natural decametric radio emissions from Jupiter and the sun.
- http://www.jupiterradio.com/

Multi-SETI@Home Monitor
- Graphical add-on package to monitor activity that may be running on multiple computers over a network or multiple instances on the same computer.
- http://msetimon.sourceforge.net

3peaks Radio Telescope
- Radio telescope project with diagram and graphs.
- http://www.3peaks.org.uk

Pisgah Astronomical Research Institute
- Dedicated to providing research and educational access to radio and optical astronomy for a broad cross-section of users.
- http://www.pari.edu/

Amateur SETI - Project BAMBI
- Design, construction, and initial observational results of a 4-GHz amateur radio telescope with circuit board layouts, software, and schematics.
- http://www.bambi.net/